369
FZUS51 KBOX 150206
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 PM EDT THU AUG 14 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-151500-
1005 PM EDT THU AUG 14 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
SCATTERED SHOWERS POSSIBLE ON THURSDAY. A COLD FRONT WILL CROSS THE
WATERS THU NIGHT INTO FRI. HIGH PRESSURE RETURN FRIDAY INTO THE
WEEKEND.
ANZ250-151500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
N WINDS AROUND 5 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT
7 SECONDS AND W 1 FOOT AT 2 SECONDS.
FRI
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE
4 FT AT 5 SECONDS AND SE 1 FOOT AT 4 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND E 1 FOOT AT
15 SECONDS.
SAT NIGHT AND SUN
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 2 FT AT
8 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 30 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT
4 SECONDS AND N 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
MON THROUGH TUE
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT.
TUE NIGHT
SE WINDS AROUND 10 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.
ANZ251-151500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
N WINDS AROUND 5 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT
7 SECONDS AND SE 1 FOOT AT 3 SECONDS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SE 1 FOOT AT
4 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND S 1 FOOT AT
7 SECONDS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND E 1 FOOT AT
15 SECONDS.
SAT NIGHT AND SUN
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND W 1 FOOT AT
2 SECONDS.
SUN NIGHT
W WINDS AROUND 15 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT
6 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS.
MON THROUGH TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO
25 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.
ANZ231-151500-
CAPE COD BAY-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
NW WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 2 SECONDS AND W
1 FOOT AT 3 SECONDS, BECOMING NW 1 FOOT AT 2 SECONDS AND S 1 FOOT
AT 4 SECONDS. PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND S 1 FOOT AT 5 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
2 FT AT 5 SECONDS AND S 1 FOOT AT 7 SECONDS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND E 1 FOOT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
MON AND MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
BECOMING E 5 TO 10 KT. SEAS 2 TO 4 FT.
TUE AND TUE NIGHT
E WINDS 5 TO 10 KT, BECOMING SE. 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-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
SW WINDS AROUND 5 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: SE 2 FT AT 9 SECONDS AND W 1 FOOT AT 3 SECONDS.
PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE
3 FT AT 5 SECONDS AND S 2 FT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS.
SAT NIGHT AND SUN
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 NE 2 FT AT
5 SECONDS.
SUN NIGHT
SW WINDS AROUND 15 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS AROUND 3 FT. WAVE DETAIL: NW 3 FT AT
4 SECONDS AND S 3 FT AT 4 SECONDS. A CHANCE OF SHOWERS.
MON THROUGH TUE NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 3 TO 5 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-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: SE 2 FT AT 9 SECONDS AND SW 1 FOOT AT 5 SECONDS.
PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 6 SECONDS AND S 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S
2 FT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT.
SAT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT 6 SECONDS.
SUN NIGHT
SW WINDS AROUND 15 KT, BECOMING NW 20 TO 25 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND W
3 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
MON
NE WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
MON NIGHT THROUGH TUE NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 TO 5 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-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
SW WINDS AROUND 5 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: SE 2 FT AT 9 SECONDS AND SW 1 FOOT AT 4 SECONDS.
PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND S
2 FT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT.
SAT
E WINDS AROUND 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT 4 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT
5 SECONDS AND NW 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
MON
NE WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
MON NIGHT AND TUE
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 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-
1005 PM EDT THU AUG 14 2025
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 E
1 FOOT AT 7 SECONDS, BECOMING W 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 4 SECONDS. PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SW 1 FOOT
AT 5 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
NE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND
S 1 FOOT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
SAT NIGHT AND SUN
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 E 1 FOOT AT
4 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND E 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
MON NIGHT THROUGH TUE NIGHT
SE 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.
ANZ233-151500-
VINEYARD SOUND-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR
LESS. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
7 SECONDS. PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SW
1 FOOT AT 5 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO
3 NM.
FRI NIGHT
NE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS
AND S 1 FOOT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT
7 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SUN
SW WINDS 10 TO 15 KT, INCREASING TO 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 E 1 FOOT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
MON NIGHT THROUGH TUE NIGHT
SE 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.
ANZ234-151500-
BUZZARDS BAY-
1005 PM EDT THU AUG 14 2025
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 E
1 FOOT AT 7 SECONDS, BECOMING SW 1 FOOT AT 4 SECONDS AND E 1 FOOT
AT 6 SECONDS. PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT
4 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT
4 SECONDS AND S 1 FOOT AT 6 SECONDS. PATCHY FOG AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND SE 1 FOOT
AT 7 SECONDS.
SAT NIGHT AND SUN
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 E 1 FOOT AT
4 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT
5 SECONDS AND E 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT.
MON NIGHT THROUGH TUE NIGHT
SE 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.
ANZ235-151500-
RHODE ISLAND SOUND-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT 7 SECONDS.
PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
FRI NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND S
2 FT AT 8 SECONDS. PATCHY FOG AFTER MIDNIGHT.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND NE 1 FOOT AT
4 SECONDS.
SAT NIGHT AND SUN
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 2 FT AT
9 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT
5 SECONDS AND NW 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
MON NIGHT AND TUE
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
ANZ237-151500-
BLOCK ISLAND SOUND-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
S WINDS AROUND 5 KT, BECOMING N. SEAS AROUND 2 FT.
WAVE DETAIL: SE 2 FT AT 9 SECONDS AND S 1 FOOT AT 4 SECONDS.
PATCHY FOG WITH VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
FRI NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND S
2 FT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND W 1 FOOT AT
3 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND NW
2 FT AT 3 SECONDS. A CHANCE OF SHOWERS.
MON THROUGH TUE
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
TUE NIGHT
SE WINDS AROUND 10 KT. SEAS 3 TO 5 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.
ANZ230-151500-
BOSTON HARBOR-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
NE WINDS AROUND 5 KT, BECOMING N 10 TO 15 KT. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT.
FRI NIGHT
E WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
SAT NIGHT
S WINDS AROUND 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS.
SUN AND SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. A CHANCE OF SHOWERS.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ236-151500-
NARRAGANSETT BAY-
1005 PM EDT THU AUG 14 2025
OVERNIGHT
W WINDS AROUND 5 KT, BECOMING N. WAVES 1 FOOT OR
LESS. ISOLATED SHOWERS AND TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
FRI
NE WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT.
SAT
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. WAVES
AROUND 2 FT. PATCHY FOG IN THE MORNING.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
MON THROUGH TUE NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/NWSBOSTON
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page