381
FZUS51 KBOX 132005
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
405 PM EDT WED AUG 13 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-140900-
405 PM EDT WED AUG 13 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES IS CONTINUING TO BRING RATHER TRANQUIL BOATING CONDITIONS
THROUGH MIDWEEK. WINDS GRADUALLY INCREASE FROM THE SW TODAY AND WED
BUT REMAIN BELOW SMALL CRAFT ADVISORY CRITERIA FOR MOST AREAS.
NORTHERN OUTER WATERS MAY APPROACH 25 KTS BRIEFLY LATER WEDNESDAY. A
COLD FRONT SHOULD CROSS THE WATERS THU NIGHT INTO FRI.
ANZ250-140900-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS. SOME TSTMS MAY BE SEVERE WITH
HEAVY RAINFALL. VSBY 1 TO 3 NM AFTER MIDNIGHT.
THU
S WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS AND TSTMS. SOME TSTMS MAY BE
SEVERE WITH HEAVY RAINFALL. VSBY 1 TO 3 NM IN THE MORNING.
THU NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS AND SW 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS
AND TSTMS IN THE EVENING. SOME TSTMS MAY BE SEVERE WITH HEAVY
RAINFALL.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND S 1 FOOT AT
4 SECONDS.
FRI NIGHT
E WINDS AROUND 10 KT, BECOMING NE AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND E 1 FOOT AT
15 SECONDS.
SAT AND SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND NE 2 FT AT
6 SECONDS.
SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
SUN NIGHT
W WINDS 15 TO 20 KT WITH 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 SE AROUND 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.
ANZ251-140900-
MASSACHUSETTS BAY AND IPSWICH BAY-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS THIS EVENING. A SLIGHT
CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT. SOME TSTMS MAY BE
SEVERE WITH HEAVY RAINFALL. VSBY 1 TO 3 NM AFTER MIDNIGHT.
THU
SW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS AND TSTMS. SOME TSTMS MAY BE
SEVERE WITH HEAVY RAINFALL. VSBY 1 TO 3 NM IN THE MORNING.
THU NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 6 SECONDS AND S 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS AND TSTMS IN THE EVENING. SOME TSTMS MAY BE SEVERE WITH
HEAVY RAINFALL.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND E 1 FOOT AT
16 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND E 1 FOOT AT
15 SECONDS.
SAT AND SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND NE 2 FT AT
6 SECONDS.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT.
SUN NIGHT
W WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
MON AND MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SE 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.
ANZ231-140900-
CAPE COD BAY-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS. PATCHY FOG AFTER
MIDNIGHT. SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL. VSBY 1 TO
3 NM AFTER MIDNIGHT.
THU
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 7 SECONDS, BECOMING S 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS AND TSTMS. SOME TSTMS MAY BE
SEVERE WITH HEAVY RAINFALL. VSBY 1 TO 3 NM IN THE MORNING.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS
AND SE 1 FOOT AT 7 SECONDS, BECOMING NW 1 FOOT AT 3 SECONDS AND E
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE
EVENING. SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND E 1 FOOT AT
16 SECONDS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 2 FT AT 5 SECONDS AND SE 1 FOOT AT 15 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 5 SECONDS AND NW 1 FOOT AT 4 SECONDS.
SUN THROUGH MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
MON NIGHT
E 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.
ANZ254-140900-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
A SLIGHT CHANCE OF TSTMS. PATCHY FOG AFTER MIDNIGHT. SOME TSTMS
MAY BE SEVERE WITH HEAVY RAINFALL. VSBY 1 NM OR LESS AFTER
MIDNIGHT.
THU
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG IN THE MORNING. SOME TSTMS MAY BE SEVERE WITH
HEAVY RAINFALL. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING N WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND
TSTMS. SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL. VSBY 1 TO
3 NM AFTER MIDNIGHT.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND S 1 FOOT AT
5 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
NE 3 FT AT 6 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 3 FT AT 6 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT.
SUN NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS.
MON AND MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
BECOMING E. 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.
ANZ255-140900-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT. SOME TSTMS MAY BE
SEVERE WITH HEAVY RAINFALL. VSBY 1 NM OR LESS.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG IN THE MORNING. SOME TSTMS MAY BE SEVERE WITH
HEAVY RAINFALL. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS. SOME TSTMS MAY BE
SEVERE WITH HEAVY RAINFALL. VSBY 1 TO 3 NM.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND SW 1 FOOT AT
5 SECONDS.
FRI NIGHT AND SAT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND S 1 FOOT AT
6 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND SE 1 FOOT AT
15 SECONDS.
SUN THROUGH MON NIGHT
E WINDS 15 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.
ANZ256-140900-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT
8 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF TSTMS. A CHANCE OF
SHOWERS AFTER MIDNIGHT. SOME TSTMS MAY BE SEVERE WITH HEAVY
RAINFALL. VSBY 1 NM OR LESS.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG IN THE MORNING. SOME TSTMS MAY BE SEVERE WITH
HEAVY RAINFALL. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
W WINDS AROUND 5 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE EVENING.
SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL. VSBY 1 TO 3 NM IN
THE EVENING.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND SW 1 FOOT AT
5 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND S
1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 3 FT AT 5 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN THROUGH MON NIGHT
E WINDS 15 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.
ANZ232-140900-
NANTUCKET SOUND-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 1 FOOT
AT 8 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND TSTMS
AFTER MIDNIGHT. SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL.
VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS
AND TSTMS. PATCHY FOG IN THE MORNING. SOME TSTMS MAY BE SEVERE
WITH HEAVY RAINFALL. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS
AND E 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE
EVENING. SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SW 1 FOOT AT
4 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 2 FT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN THROUGH MON NIGHT
E WINDS 15 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.
ANZ233-140900-
VINEYARD SOUND-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 8 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND TSTMS
AFTER MIDNIGHT. SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL.
VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
THU
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS
AND TSTMS. PATCHY FOG IN THE MORNING. SOME TSTMS MAY BE SEVERE
WITH HEAVY RAINFALL. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE EVENING. SOME
TSTMS MAY BE SEVERE WITH HEAVY RAINFALL.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SW 1 FOOT AT
5 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 2 FT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN THROUGH MON NIGHT
E WINDS 15 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.
ANZ234-140900-
BUZZARDS BAY-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 8 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF TSTMS. A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. SOME TSTMS MAY BE SEVERE WITH
HEAVY RAINFALL. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
THU
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT IN THE MORNING,
THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS. PATCHY FOG IN
THE MORNING. SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL. VSBY
1 NM OR LESS IN THE MORNING.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: SW
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS, BECOMING W 1 FOOT
AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS AND
TSTMS IN THE EVENING. SOME TSTMS MAY BE SEVERE WITH HEAVY
RAINFALL.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SW 1 FOOT AT
5 SECONDS.
FRI NIGHT
NE 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: NE 2 FT AT 3 SECONDS
AND S 1 FOOT AT 5 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND S
1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN THROUGH MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
MON NIGHT
E 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.
ANZ235-140900-
RHODE ISLAND SOUND-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT THIS EVENING.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT
AT 8 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF TSTMS. A CHANCE OF
SHOWERS AFTER MIDNIGHT. SOME TSTMS MAY BE SEVERE WITH HEAVY
RAINFALL. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
THU
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG IN THE MORNING. SOME TSTMS MAY BE SEVERE WITH
HEAVY RAINFALL. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE
EVENING. SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND S 1 FOOT AT
5 SECONDS.
FRI NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 5 SECONDS AND S
1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT.
WAVE DETAIL: NE 2 FT AT 5 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN THROUGH MON NIGHT
E WINDS 15 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.
ANZ237-140900-
BLOCK ISLAND SOUND-
405 PM EDT WED AUG 13 2025
TONIGHT
SW 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: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND TSTMS THIS EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. SOME TSTMS MAY
BE SEVERE WITH HEAVY RAINFALL. VSBY 1 NM OR LESS AFTER MIDNIGHT.
THU
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS
AND TSTMS. PATCHY FOG IN THE MORNING. SOME TSTMS MAY BE SEVERE
WITH HEAVY RAINFALL. VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
W WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND S 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE EVENING. SOME
TSTMS MAY BE SEVERE WITH HEAVY RAINFALL.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND S 1 FOOT AT
5 SECONDS.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 5 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 6 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN THROUGH MON NIGHT
SE 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.
ANZ230-140900-
BOSTON HARBOR-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT THIS
EVENING, THEN 1 FOOT OR LESS. A CHANCE OF SHOWERS AND TSTMS,
MAINLY THIS EVENING. SOME TSTMS MAY BE SEVERE WITH HEAVY
RAINFALL.
THU
SW WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS AND TSTMS. SOME TSTMS MAY BE
SEVERE WITH HEAVY RAINFALL.
THU NIGHT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT.
A CHANCE OF SHOWERS AND TSTMS IN THE EVENING. SOME TSTMS MAY BE
SEVERE WITH HEAVY RAINFALL.
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 W AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN THROUGH MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ236-140900-
NARRAGANSETT BAY-
405 PM EDT WED AUG 13 2025
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT. A
SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS THIS EVENING.
PATCHY FOG AFTER MIDNIGHT. SOME TSTMS MAY BE SEVERE WITH HEAVY
RAINFALL. VSBY 1 NM OR LESS AFTER MIDNIGHT.
THU
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS. PATCHY
FOG IN THE MORNING. SOME TSTMS MAY BE SEVERE WITH HEAVY RAINFALL.
VSBY 1 NM OR LESS IN THE MORNING.
THU NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT. A CHANCE OF
SHOWERS AND TSTMS IN THE EVENING. SOME TSTMS MAY BE SEVERE WITH
HEAVY RAINFALL.
FRI
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES AROUND 2 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT AND SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN THROUGH MON 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.
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