009
FZUS51 KBOX 161405
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 AM EDT THU JUL 16 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-170300-
1005 AM EDT THU JUL 16 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT PUSHES SOUTH TONIGHT INTO THU. LOW PRES PASSES OVER THE
E WATERS THU NIGHT INTO FRI AHEAD OF HIGH PRES BUILDING IN FRI.
UNSETTLED CONDITIONS RETURN HEADING INTO THE WEEKEND.
ANZ250-170300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND N 1 FOOT AT
3 SECONDS. AREAS OF SMOKE.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND S 1 FOOT AT
5 SECONDS. AREAS OF SMOKE IN THE EVENING. PATCHY SMOKE AFTER
MIDNIGHT.
FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING SW
5 TO 10 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 4 SECONDS AND S 1 FOOT AT 5 SECONDS.
SAT
S WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND N 1 FOOT AT 3 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 1 FOOT AT
14 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. SHOWERS LIKELY.
SUN NIGHT THROUGH MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-170300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND N 1 FOOT AT
3 SECONDS. AREAS OF SMOKE.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 2 FT AT 3 SECONDS AND N 1 FOOT AT 3 SECONDS. AREAS OF
SMOKE IN THE EVENING. PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND W 1 FOOT AT
4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 3 SECONDS.
SAT
S WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND N 1 FOOT AT 3 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. SHOWERS.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SUN NIGHT THROUGH MON NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND
2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-170300-
CAPE COD BAY-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND N 1 FOOT AT
3 SECONDS. AREAS OF SMOKE.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 1 FOOT AT 3 SECONDS AND N 1 FOOT AT 4 SECONDS. AREAS OF
SMOKE IN THE EVENING. PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT, BECOMING N
IN THE AFTERNOON. SEAS AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR
LESS. WAVE DETAIL: N 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
5 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: S 1 FOOT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS AROUND 2 FT, BUILDING TO 3 TO
4 FT IN THE AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND N
1 FOOT AT 4 SECONDS, BECOMING SW 2 FT AT 3 SECONDS AND N 1 FOOT
AT 4 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
SUN THROUGH MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-170300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS AROUND 10 KT, INCREASING TO 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT
6 SECONDS AND NW 1 FOOT AT 4 SECONDS. PATCHY SMOKE, THEN AREAS OF
SMOKE.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 3 FT AT 6 SECONDS AND NW 1 FOOT AT 4 SECONDS. AREAS OF
SMOKE IN THE EVENING. PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND S 2 FT AT
6 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E
1 FOOT AT 8 SECONDS, BECOMING SW 6 FT AT 6 SECONDS AND E 1 FOOT
AT 8 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS.
SUN NIGHT AND MON
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 3 TO
5 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-170300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
W WINDS AROUND 10 KT, BECOMING SW 15 TO 20 KT.
GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT
5 SECONDS AND N 1 FOOT AT 3 SECONDS. AREAS OF SMOKE.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING N
5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT
5 SECONDS AND N 1 FOOT AT 5 SECONDS. AREAS OF SMOKE IN THE
EVENING, THEN PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND N 1 FOOT AT
4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND N 1 FOOT AT 3 SECONDS.
SAT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND N 1 FOOT AT 3 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: S
5 FT AT 5 SECONDS AND NW 1 FOOT AT 6 SECONDS, BECOMING W 7 FT AT
7 SECONDS AND SE 1 FOOT AT 8 SECONDS. SHOWERS WITH A CHANCE OF
TSTMS.
SUN
W WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON AND MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING S. SEAS 3 TO
5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-170300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
W WINDS AROUND 10 KT, BECOMING SW 15 TO 20 KT
WITH GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT
6 SECONDS AND NW 2 FT AT 4 SECONDS. AREAS OF SMOKE.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 5 SECONDS AND N 1 FOOT AT 4 SECONDS. AREAS OF SMOKE.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT
6 SECONDS AND N 1 FOOT AT 4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
SAT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND N 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
SAT NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: SW
5 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS, BECOMING W 6 FT AT
5 SECONDS AND SE 2 FT AT 9 SECONDS. SHOWERS. A CHANCE OF TSTMS IN
THE EVENING.
SUN
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. SHOWERS.
SUN NIGHT THROUGH MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO
5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-170300-
NANTUCKET SOUND-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS AROUND 10 KT, INCREASING TO 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND N 1 FOOT AT 3 SECONDS. AREAS OF SMOKE.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND N 1 FOOT AT 5 SECONDS. AREAS OF SMOKE IN
THE EVENING, THEN PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT
3 SECONDS AND SW 1 FOOT AT 5 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
N 1 FOOT AT 3 SECONDS.
SAT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. SHOWERS.
SUN NIGHT THROUGH MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-170300-
VINEYARD SOUND-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS AROUND
2 FT, BUILDING TO 3 TO 4 FT. WAVE DETAIL: SW 2 FT AT 2 SECONDS
AND S 2 FT AT 6 SECONDS, BECOMING SW 4 FT AT 5 SECONDS AND N
1 FOOT AT 4 SECONDS. AREAS OF SMOKE.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW AROUND 5 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W
4 FT AT 5 SECONDS AND N 1 FOOT AT 5 SECONDS. AREAS OF SMOKE IN
THE EVENING, THEN PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT
5 SECONDS AND N 1 FOOT AT 3 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
N 1 FOOT AT 6 SECONDS.
SAT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
SAT NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
SW 5 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS. SHOWERS WITH A
CHANCE OF TSTMS.
SUN
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. SHOWERS.
SUN NIGHT THROUGH MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO
4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-170300-
BUZZARDS BAY-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS AROUND
2 FT, BUILDING TO 3 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS
AND N 1 FOOT AT 4 SECONDS, BECOMING SW 3 FT AT 4 SECONDS AND N
1 FOOT AT 5 SECONDS. AREAS OF SMOKE.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW AROUND 5 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND N 1 FOOT AT 5 SECONDS. AREAS OF SMOKE IN
THE EVENING, THEN PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT IN THE
AFTERNOON. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SW 1 FOOT AT
5 SECONDS, BECOMING W 2 FT AT 4 SECONDS AND N 1 FOOT AT
4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
WAVE DETAIL: SW 2 FT AT 4 SECONDS AND N 1 FOOT AT 7 SECONDS,
BECOMING NE 1 FOOT AT 3 SECONDS AND W 1 FOOT AT 4 SECONDS.
SAT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND N 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
SAT NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 5 SECONDS AND SE 2 FT AT 10 SECONDS. SHOWERS WITH A CHANCE OF
TSTMS.
SUN
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. SHOWERS.
SUN NIGHT THROUGH MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO
3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-170300-
RHODE ISLAND SOUND-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS AROUND 10 KT, INCREASING TO 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT
5 SECONDS AND W 2 FT AT 2 SECONDS. AREAS OF SMOKE.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 5 SECONDS AND NE 1 FOOT AT 4 SECONDS. AREAS OF SMOKE.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT
5 SECONDS AND N 1 FOOT AT 4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND W
1 FOOT AT 3 SECONDS.
SAT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
SAT NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND S 5 FT AT
10 SECONDS. SHOWERS. A CHANCE OF TSTMS IN THE EVENING.
SUN THROUGH MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-170300-
BLOCK ISLAND SOUND-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND W 2 FT AT
3 SECONDS. AREAS OF SMOKE, THEN SMOKE.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND NE 1 FOOT AT 4 SECONDS. SMOKE IN THE
EVENING, THEN AREAS OF SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS
AND N 1 FOOT AT 3 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND W
1 FOOT AT 3 SECONDS.
SAT
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND N 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS. SHOWERS. A CHANCE OF TSTMS IN THE EVENING.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. SHOWERS LIKELY.
SUN NIGHT THROUGH MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO
4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-170300-
BOSTON HARBOR-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
WAVES AROUND 2 FT. AREAS OF SMOKE.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN
THE EVENING, THEN 1 FOOT OR LESS. AREAS OF SMOKE IN THE EVENING.
PATCHY SMOKE AFTER MIDNIGHT.
FRI
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
SAT
SW WINDS 5 TO 10 KT, BECOMING S 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. SHOWERS.
SUN
W WINDS AROUND 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
SUN NIGHT THROUGH MON NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND
2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-170300-
NARRAGANSETT BAY-
1005 AM EDT THU JUL 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT
WITH GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. AREAS OF SMOKE.
TONIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 2 TO 3 FT. AREAS OF SMOKE.
FRI
NW WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE AFTERNOON.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT. SHOWERS. A CHANCE OF TSTMS IN THE EVENING.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. SHOWERS LIKELY.
SUN NIGHT THROUGH MON NIGHT
S WINDS 5 TO 10 KT. WAVES 2 TO
3 FT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-170300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 AM EDT THU JUL 16 2026
THIS AFTERNOON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS. PATCHY SMOKE, THEN AREAS OF SMOKE.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND S 2 FT AT 6 SECONDS.
AREAS OF SMOKE IN THE EVENING. PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 10 TO 15 KT, BECOMING W IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND
S 2 FT AT 6 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND
S 2 FT AT 7 SECONDS.
SAT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND NW 1 FOOT AT
3 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 2 FT AT
8 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. SHOWERS LIKELY.
SUN NIGHT THROUGH MON NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO
4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-170300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 AM EDT THU JUL 16 2026
THIS AFTERNOON
W WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT,
BECOMING SW 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SW 4 FT AT 6 SECONDS AND NW 2 FT AT 4 SECONDS.
PATCHY SMOKE.
TONIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS. AREAS OF SMOKE IN THE
EVENING. PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND N 2 FT AT 4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND N 1 FOOT AT 5 SECONDS.
SAT
SW WINDS AROUND 10 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND N 1 FOOT AT 5 SECONDS.
SAT NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND W
1 FOOT AT 2 SECONDS, BECOMING SW 6 FT AT 6 SECONDS AND E 1 FOOT
AT 8 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. SHOWERS.
SUN NIGHT
NW WINDS 5 TO 10 KT. SEAS 5 TO 7 FT.
MON
SW WINDS 5 TO 10 KT. SEAS 4 TO 6 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-170300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 AM EDT THU JUL 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND N 1 FOOT AT
5 SECONDS. AREAS OF SMOKE.
TONIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. AREAS OF SMOKE IN THE
EVENING, THEN PATCHY SMOKE AFTER MIDNIGHT.
FRI
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND N 1 FOOT AT 4 SECONDS.
SAT NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND NW
1 FOOT AT 5 SECONDS, BECOMING SW 6 FT AT 6 SECONDS AND NW 1 FOOT
AT 5 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT.
SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
8 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT
NW WINDS 5 TO 10 KT. SEAS 6 TO 8 FT.
MON
E WINDS 5 TO 10 KT. SEAS 4 TO 6 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-170300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 AM EDT THU JUL 16 2026
THIS AFTERNOON
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT
WITH GUSTS UP TO 25 KT. SEAS AROUND 3 FT. WAVE DETAIL: SW 3 FT AT
6 SECONDS AND N 1 FOOT AT 4 SECONDS. AREAS OF SMOKE, THEN SMOKE.
TONIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT
AT 5 SECONDS AND N 1 FOOT AT 5 SECONDS. SMOKE IN THE EVENING,
THEN AREAS OF SMOKE AFTER MIDNIGHT.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND N 2 FT AT 4 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SAT
S WINDS AROUND 10 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
SAT NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT, BUILDING TO 5 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND NW
1 FOOT AT 5 SECONDS, BECOMING W 6 FT AT 5 SECONDS AND SE 1 FOOT
AT 8 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT.
SUN
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
7 FT. SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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