739
FZUS51 KBOX 150203
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1003 PM EDT FRI AUG 14 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-151500-
1003 PM EDT FRI AUG 14 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS OVER THE WATERS THIS WEEKEND, LEADING TO CALMER
BOATING CONDITIONS. NEXT SYSTEM SUNDAY NIGHT BRINGS GUSTY WINDS AND
BUILDING SEAS THAT MAY WARRANT SMALL CRAFT ADVISORIES. HIGH PRES
RETURNS TUE THROUGH THE MIDDLE OF NEXT WEEK.
ANZ250-151500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT
9 SECONDS.
SAT NIGHT
S WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 2 SECONDS AND NE
1 FOOT AT 7 SECONDS.
SUN
E WINDS AROUND 5 KT, BECOMING S 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 2 SECONDS AND E 1 FOOT
AT 7 SECONDS, BECOMING S 2 FT AT 3 SECONDS AND E 1 FOOT AT
8 SECONDS.
SUN NIGHT
S WINDS 15 TO 20 KT. GUSTS UP TO 20 KT, INCREASING
TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
4 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND SE 4 FT AT 10 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE THROUGH WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 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.
ANZ251-151500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: W 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 9 SECONDS.
SAT
N WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND NE 1 FOOT
AT 5 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: SE 1 FOOT AT 2 SECONDS AND NE 1 FOOT
AT 6 SECONDS.
SUN
NE WINDS AROUND 5 KT, BECOMING SE 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND NE
1 FOOT AT 6 SECONDS, BECOMING SE 2 FT AT 3 SECONDS AND E 1 FOOT
AT 10 SECONDS.
SUN NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
AFTER MIDNIGHT.
MON
SE WINDS 15 TO 20 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 5 SECONDS AND SE 3 FT AT 10 SECONDS. SHOWERS, MAINLY IN
THE MORNING.
MON NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE THROUGH WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ231-151500-
CAPE COD BAY-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 3 SECONDS AND
NE 1 FOOT AT 11 SECONDS, BECOMING N 1 FOOT AT 3 SECONDS AND NE
1 FOOT AT 9 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 4 SECONDS.
SAT NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 4 SECONDS.
SUN
E WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS, BECOMING S
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 4 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 4 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING.
MON NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
TUE THROUGH WED 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.
ANZ254-151500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS 5 TO 10 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 5 SECONDS AND NE 2 FT AT 7 SECONDS.
SAT NIGHT
NE WINDS AROUND 5 KT, BECOMING W AROUND 5 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 6 SECONDS AND
S 1 FOOT AT 6 SECONDS.
SUN
E WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 1 FOOT AT
7 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 15 TO 20 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT, BECOMING SE 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 5 SECONDS AND SE 3 FT AT 10 SECONDS. SHOWERS LIKELY IN THE
MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
NE WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT.
TUE AND TUE NIGHT
N WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
4 FT.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT
WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 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.
ANZ255-151500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND SW 1 FOOT AT 5 SECONDS.
SAT NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE
DETAIL: SE 1 FOOT AT 6 SECONDS, BECOMING SW 1 FOOT AT 5 SECONDS
AND E 1 FOOT AT 8 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 5 SECONDS AND E
1 FOOT AT 8 SECONDS, BECOMING S 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 8 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT AFTER MIDNIGHT.
WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS,
BECOMING S 5 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: S 6 FT AT 6 SECONDS AND
SE 4 FT AT 9 SECONDS. SHOWERS LIKELY IN THE MORNING. A CHANCE OF
SHOWERS IN THE AFTERNOON.
MON NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE AND TUE NIGHT
N WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
4 FT.
WED AND WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 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.
ANZ256-151500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
NW WINDS AROUND 5 KT, BECOMING N 10 TO 15 KT. SEAS
AROUND 2 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND E 2 FT AT
10 SECONDS.
SAT
NE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS
AND SW 1 FOOT AT 6 SECONDS.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 5 SECONDS
AND SE 1 FOOT AT 8 SECONDS, BECOMING SW 1 FOOT AT 4 SECONDS AND
SE 1 FOOT AT 9 SECONDS.
SUN
SW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS, BECOMING S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS.
SUN NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING S 6 FT AT 6 SECONDS AND SE 1 FOOT
AT 9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT
AT 7 SECONDS AND SE 5 FT AT 10 SECONDS. SHOWERS, MAINLY IN THE
MORNING.
MON NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE AND TUE NIGHT
N WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
4 FT.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT
WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 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.
ANZ232-151500-
NANTUCKET SOUND-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS 5 TO 10 KT, BECOMING N. SEAS 1 FOOT OR LESS.
WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 11 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 4 SECONDS AND W 1 FOOT AT 4 SECONDS.
SAT NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 4 SECONDS AND NE
1 FOOT AT 7 SECONDS.
SUN
SW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E
1 FOOT AT 8 SECONDS, BECOMING S 2 FT AT 3 SECONDS AND E 1 FOOT AT
8 SECONDS.
SUN NIGHT AND MON
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND SE 2 FT AT
10 SECONDS. SHOWERS LIKELY THROUGH THE DAY. A CHANCE OF SHOWERS
IN THE AFTERNOON.
MON NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 5 SECONDS AND SW 2 FT AT 6 SECONDS.
TUE THROUGH WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ233-151500-
VINEYARD SOUND-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR
LESS. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS. ISOLATED SHOWERS.
SAT
N WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 4 SECONDS AND SW 1 FOOT
AT 4 SECONDS.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS.
SUN
SW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING SW 2 FT AT 3 SECONDS AND SE 1 FOOT
AT 10 SECONDS.
SUN NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE
3 FT AT 11 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, DIMINISHING TO
15 TO 20 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 7 SECONDS AND SE 4 FT AT 10 SECONDS. SHOWERS, MAINLY IN THE
MORNING.
MON NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT.
TUE THROUGH WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ234-151500-
BUZZARDS BAY-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR
LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
9 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 2 SECONDS AND SW 1 FOOT
AT 3 SECONDS.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
SUN
NW WINDS AROUND 5 KT, BECOMING S 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: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 8 SECONDS, BECOMING SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT
9 SECONDS.
SUN NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S
4 FT AT 5 SECONDS AND SE 3 FT AT 11 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING. SHOWERS LIKELY AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT, BECOMING SE 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 6 SECONDS AND SE 4 FT AT 10 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE THROUGH WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 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.
ANZ235-151500-
RHODE ISLAND SOUND-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND
SE 1 FOOT AT 10 SECONDS, BECOMING W 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 10 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SUN
N WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: S 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING S 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
SUN NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT AFTER MIDNIGHT.
WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS,
BECOMING S 5 FT AT 6 SECONDS AND SE 5 FT AT 11 SECONDS. A CHANCE
OF SHOWERS IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND
SE 5 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
TUE THROUGH WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 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.
ANZ237-151500-
BLOCK ISLAND SOUND-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND
SE 1 FOOT AT 10 SECONDS, BECOMING SW 1 FOOT AT 5 SECONDS AND E
1 FOOT AT 10 SECONDS. ISOLATED SHOWERS.
SAT
NE WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 5 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 8 SECONDS.
SUN
NE WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: SE 1 FOOT AT 5 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING S 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
SUN NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS AFTER
MIDNIGHT.
MON
S WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT
AT 6 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE THROUGH WED
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 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.
ANZ230-151500-
BOSTON HARBOR-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SAT
N WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SUN
NE WINDS AROUND 5 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS AFTER MIDNIGHT.
MON
SE WINDS 15 TO 20 KT, BECOMING E 5 TO 10 KT IN THE
AFTERNOON. WAVES AROUND 2 FT. SHOWERS, MAINLY IN THE MORNING.
MON NIGHT
N WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
TUE THROUGH WED
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED NIGHT
S WINDS AROUND 10 KT. WAVES AROUND 2 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.
ANZ236-151500-
NARRAGANSETT BAY-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. WAVES 1 FOOT OR
LESS.
SAT
N WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SAT NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SUN
NE WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
IN THE EVENING. SHOWERS AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT, BECOMING E 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 4 FT. SHOWERS, MAINLY IN
THE MORNING.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.
TUE THROUGH WED
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES AROUND 2 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.
ANZ280-151500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
NW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 2 FT AT 4 SECONDS AND E 1 FOOT AT 10 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SAT NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 10 SECONDS.
SUN
NE WINDS 5 TO 10 KT, BECOMING S WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT
3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. SHOWERS LIKELY AFTER
MIDNIGHT.
MON
S WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 6 SECONDS AND SE 4 FT AT 10 SECONDS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
TUE AND TUE NIGHT
N WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
4 FT.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT
WITH GUSTS UP TO 25 KT. SEAS 2 TO 3 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.
ANZ281-151500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS 5 TO 10 KT, BECOMING NW. SEAS AROUND 2 FT.
WAVE DETAIL: W 2 FT AT 4 SECONDS AND E 1 FOOT AT 10 SECONDS.
SAT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
SAT NIGHT
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND NE 2 FT AT 7 SECONDS.
SUN
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 15 TO 20 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS.
SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
N AFTER MIDNIGHT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS IN THE
EVENING.
TUE
N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT THROUGH WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 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.
ANZ282-151500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING NW. SEAS AROUND 2 FT.
WAVE DETAIL: SW 1 FOOT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 8 SECONDS AND SW 1 FOOT AT 5 SECONDS.
SAT NIGHT
NE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 2 FT AT 7 SECONDS AND S 1 FOOT AT 5 SECONDS.
SUN
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 5 SECONDS AND E 1 FOOT AT
7 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SE 4 FT AT 10 SECONDS.
SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN THE
AFTERNOON.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
N AFTER MIDNIGHT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS IN THE
EVENING.
TUE AND TUE NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
WED AND WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 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.
ANZ283-151500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1003 PM EDT FRI AUG 14 2026
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: NE 2 FT AT 9 SECONDS AND SW 1 FOOT AT 5 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT
SE WINDS AROUND 5 KT, BECOMING S AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND S 1 FOOT
AT 6 SECONDS.
SUN
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: SE 1 FOOT AT 7 SECONDS, BECOMING
SE 2 FT AT 7 SECONDS.
SUN NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE
1 FOOT AT 8 SECONDS, BECOMING S 5 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 6 FT
AT 6 SECONDS. SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS
IN THE AFTERNOON.
MON NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 4 TO 5 FT.
TUE AND TUE NIGHT
N WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
4 FT.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT
WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 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.
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