752
FZUS51 KBOX 151858
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
258 PM EDT WED JUL 15 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-160700-
258 PM EDT WED JUL 15 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.
ANZ250-160700-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
258 PM EDT WED JUL 15 2026
THIS AFTERNOON
NW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY
SMOKE.
TONIGHT
NW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS. HAZY IN THE
EVENING.
THU
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 7 SECONDS. PATCHY SMOKE.
THU NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND SE 1 FOOT AT 7 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 7 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
AROUND 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 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.
ANZ251-160700-
MASSACHUSETTS BAY AND IPSWICH BAY-
258 PM EDT WED JUL 15 2026
THIS AFTERNOON
NW WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND E
1 FOOT AT 9 SECONDS. AREAS OF SMOKE.
TONIGHT
W 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: NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS,
BECOMING NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS. HAZY
IN THE EVENING.
THU
W 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: W 2 FT
AT 3 SECONDS AND NE 1 FOOT AT 6 SECONDS. PATCHY SMOKE.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NW 2 FT AT 3 SECONDS
AND E 1 FOOT AT 8 SECONDS, BECOMING NW 1 FOOT AT 3 SECONDS AND NE
1 FOOT AT 7 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 6 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND SE 2 FT AT 6 SECONDS.
A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. SHOWERS LIKELY.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
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.
ANZ231-160700-
CAPE COD BAY-
258 PM EDT WED JUL 15 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS. SMOKE.
TONIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL:
NW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS. HAZY WITH
AREAS OF SMOKE IN THE EVENING.
THU
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN 2 TO 3 FT IN
THE AFTERNOON. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 5 SECONDS, BECOMING W 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT
4 SECONDS. PATCHY SMOKE.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 3 SECONDS
AND NE 1 FOOT AT 4 SECONDS, BECOMING NW 1 FOOT AT 4 SECONDS AND E
1 FOOT AT 5 SECONDS.
FRI
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: E
1 FOOT AT 4 SECONDS AND NW 1 FOOT AT 4 SECONDS.
FRI NIGHT
SW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 5 SECONDS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. 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.
SUN NIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
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.
ANZ254-160700-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
258 PM EDT WED JUL 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT
8 SECONDS. HAZY WITH PATCHY SMOKE.
TONIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS. SMOKE IN THE EVENING.
PATCHY SMOKE AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. PATCHY SMOKE.
THU NIGHT
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 SE 2 FT AT 8 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
A CHANCE OF SHOWERS.
SAT NIGHT AND SUN
S WINDS 20 TO 25 KT, BECOMING W. GUSTS UP TO
30 KT. SEAS 3 TO 5 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT
W 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.
ANZ255-160700-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
258 PM EDT WED JUL 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS. HAZY
WITH PATCHY SMOKE.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO AROUND 5 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 4 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS. SMOKE IN
THE EVENING, THEN AREAS OF SMOKE AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY SMOKE.
THU NIGHT
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: SW 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT AND SUN
S WINDS 20 TO 25 KT, BECOMING W. GUSTS UP TO
30 KT. SEAS 3 TO 5 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ256-160700-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
258 PM EDT WED JUL 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 1 FOOT
AT 9 SECONDS. HAZY WITH AREAS OF SMOKE.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. AREAS OF SMOKE.
THU
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY SMOKE.
THU NIGHT
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: SW 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 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.
ANZ232-160700-
NANTUCKET SOUND-
258 PM EDT WED JUL 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. SMOKE AND HAZY.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W
2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. SMOKE IN THE
EVENING.
THU
W WINDS 5 TO 10 KT, BECOMING SW 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. PATCHY SMOKE.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
N 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT AND SUN
SW WINDS 20 TO 25 KT, BECOMING W. GUSTS UP
TO 30 KT. SEAS 2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 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.
ANZ233-160700-
VINEYARD SOUND-
258 PM EDT WED JUL 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND SE 1 FOOT
AT 8 SECONDS. SMOKE AND HAZY.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND SE 1 FOOT AT 8 SECONDS. SMOKE IN THE
EVENING, THEN PATCHY SMOKE AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY SMOKE.
THU NIGHT
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: SW
4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT AND SUN
SW WINDS 20 TO 25 KT, BECOMING W 15 TO
20 KT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 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.
ANZ234-160700-
BUZZARDS BAY-
258 PM EDT WED JUL 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS. SMOKE. A
SLIGHT CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND S 1 FOOT AT 9 SECONDS. SMOKE IN THE
EVENING.
THU
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND S 1 FOOT AT 9 SECONDS. PATCHY SMOKE.
THU NIGHT
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: S 3 FT
AT 6 SECONDS AND SE 1 FOOT AT 16 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT AND SUN
SW WINDS 20 TO 25 KT, BECOMING W 15 TO
20 KT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 2 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.
ANZ235-160700-
RHODE ISLAND SOUND-
258 PM EDT WED JUL 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 1 FOOT
AT 9 SECONDS. SMOKE AND HAZY.
TONIGHT
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND
SE 1 FOOT AT 9 SECONDS. SMOKE IN THE EVENING. PATCHY SMOKE AFTER
MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY SMOKE.
THU NIGHT
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 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT AND SUN
SW WINDS 20 TO 25 KT, BECOMING W 15 TO
20 KT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN NIGHT
NW 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.
ANZ237-160700-
BLOCK ISLAND SOUND-
258 PM EDT WED JUL 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS. HAZY WITH AREAS OF SMOKE.
TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
3 FT AT 5 SECONDS AND S 2 FT AT 8 SECONDS. AREAS OF SMOKE IN THE
EVENING. PATCHY SMOKE AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND S 2 FT AT 8 SECONDS. PATCHY SMOKE.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. SHOWERS.
SUN NIGHT
NW 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.
ANZ230-160700-
BOSTON HARBOR-
258 PM EDT WED JUL 15 2026
THIS AFTERNOON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. AREAS OF SMOKE.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
W 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. HAZY IN THE EVENING.
THU
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 25 KT IN THE AFTERNOON. WAVES AROUND 2 FT. PATCHY SMOKE.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN
THE EVENING, THEN 1 FOOT OR LESS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. SHOWERS LIKELY.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
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.
ANZ236-160700-
NARRAGANSETT BAY-
258 PM EDT WED JUL 15 2026
THIS AFTERNOON
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. SMOKE. A SLIGHT CHANCE OF SHOWERS. VSBY 1 TO
3 NM.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. SMOKE IN THE
EVENING. PATCHY SMOKE AFTER MIDNIGHT.
THU
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 2 TO 3 FT. PATCHY SMOKE.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT.
FRI AND FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT, BECOMING W 10 TO
15 KT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 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.
ANZ280-160700-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
258 PM EDT WED JUL 15 2026
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W 1 FOOT AT
4 SECONDS. PATCHY SMOKE.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT
8 SECONDS. HAZY IN THE EVENING.
THU
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS. PATCHY SMOKE.
THU NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S
2 FT AT 6 SECONDS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
A CHANCE OF SHOWERS.
SAT NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
AROUND 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. SHOWERS.
SUN NIGHT
W 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.
ANZ281-160700-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
258 PM EDT WED JUL 15 2026
THIS AFTERNOON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS. HAZY WITH PATCHY SMOKE.
TONIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
4 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS. AREAS OF SMOKE.
HAZY IN THE EVENING.
THU
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 25 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY SMOKE.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
4 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT
6 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
SAT NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. SHOWERS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ282-160700-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
258 PM EDT WED JUL 15 2026
THIS AFTERNOON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 1 FOOT
AT 9 SECONDS. HAZY.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS. AREAS OF
SMOKE. HAZY IN THE EVENING.
THU
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY SMOKE.
THU NIGHT
W WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS.
SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT.
SAT NIGHT AND SUN
S WINDS 20 TO 25 KT, BECOMING SW. GUSTS UP
TO 30 KT. SEAS 2 TO 4 FT. SHOWERS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
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.
ANZ283-160700-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
258 PM EDT WED JUL 15 2026
THIS AFTERNOON
W WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND SE 1 FOOT
AT 9 SECONDS. HAZY.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. AREAS OF SMOKE.
HAZY IN THE EVENING.
THU
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 3 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY SMOKE.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
N 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS.
FRI NIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SAT NIGHT AND SUN
SW WINDS 20 TO 25 KT, BECOMING W. GUSTS UP
TO 30 KT. SEAS 3 TO 4 FT. SHOWERS.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 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.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page