304
FZUS51 KBOX 251706
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
105 PM EDT MON AUG 25 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-260600-
105 PM EDT MON AUG 25 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A WEAK LOW PRESSURE SYSTEM MOVES ACROSS THE WATERS EARLY THIS
MORNING BRINGING SHOWERS. BREEZY SOUTHEAST WINDS SHIFT NORTHEAST
AHEAD OF A COLD FRONT EXPECTED TO PASS OVER THE WATERS BY THIS
AFTERNOON/EVENING. HIGH PRESSURE BUILDS IN FROM THE WEST ON TUESDAY
AND REMAINS IN CONTROL THROUGH MIDWEEK. NEXT SYSTEM MOVES THROUGH
SOMETIME LATE THURSDAY THROUGH FRIDAY.
ANZ250-260600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
105 PM EDT MON AUG 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING
THROUGH TUESDAY MORNING...
THIS AFTERNOON
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 6 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT
AT 8 SECONDS AND W 2 FT AT 3 SECONDS. PATCHY FOG IN THE EVENING
WITH VSBY 1 NM OR LESS.
TUE
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
4 FT AT 10 SECONDS AND W 2 FT AT 3 SECONDS.
TUE NIGHT
SW WINDS AROUND 10 KT, BECOMING W AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND W 2 FT AT
3 SECONDS.
WED
NW WINDS AROUND 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND N 2 FT AT
3 SECONDS.
WED NIGHT
SW WINDS AROUND 10 KT, BECOMING W AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ251-260600-
MASSACHUSETTS BAY AND IPSWICH BAY-
105 PM EDT MON AUG 25 2025
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG.
A SLIGHT CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND SW 1 FOOT AT
2 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
TUE
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SE 3 FT AT 8 SECONDS AND E 2 FT AT 7 SECONDS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
WED
NW WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 10 SECONDS AND N 1 FOOT AT
3 SECONDS.
WED NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 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.
ANZ231-260600-
CAPE COD BAY-
105 PM EDT MON AUG 25 2025
THIS AFTERNOON
E WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 9 SECONDS AND NE 1 FOOT AT 2 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS
AND E 2 FT AT 8 SECONDS.
TUE
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. GUSTS UP
TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND
S 2 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND SW 1 FOOT AT
3 SECONDS.
WED
NW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND NW 1 FOOT AT
3 SECONDS.
WED NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND NE 1 FOOT AT
3 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
S 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.
ANZ254-260600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
105 PM EDT MON AUG 25 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
THIS AFTERNOON
NW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND SE 3 FT AT
7 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND E 3 FT AT 7 SECONDS.
PATCHY FOG. VSBY 1 TO 3 NM.
TUE
W WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS AND
S 3 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS AND S 2 FT AT 8 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS AND W 2 FT AT 3 SECONDS.
THU THROUGH FRI 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.
ANZ255-260600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
105 PM EDT MON AUG 25 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
THIS AFTERNOON
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND E 3 FT AT
5 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND S 4 FT AT 8 SECONDS.
PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
TUE
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND SE 3 FT AT
8 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.
WED AND WED NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
THU THROUGH FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND S 3 FT AT
8 SECONDS.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 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.
ANZ256-260600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
105 PM EDT MON AUG 25 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 11 SECONDS AND SE 3 FT AT
7 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT
8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TUE
NW WINDS AROUND 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT
IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: SE 5 FT AT
8 SECONDS AND S 4 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
WED AND WED NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: NW 2 FT AT 3 SECONDS AND S 2 FT AT 8 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND S 3 FT AT
8 SECONDS.
FRI
S WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 3 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.
ANZ232-260600-
NANTUCKET SOUND-
105 PM EDT MON AUG 25 2025
THIS AFTERNOON
NW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND W 1 FOOT AT
3 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E 2 FT AT 6 SECONDS.
TUE
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 E 2 FT AT 7 SECONDS.
TUE NIGHT
SW 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 2 FT AT 4 SECONDS AND E 1 FOOT AT 7 SECONDS.
WED AND WED NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 3 SECONDS AND E 1 FOOT AT 6 SECONDS.
THU THROUGH FRI NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND SW
2 FT AT 5 SECONDS.
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.
ANZ233-260600-
VINEYARD SOUND-
105 PM EDT MON AUG 25 2025
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 8 SECONDS AND SE 2 FT AT
9 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND
SE 3 FT AT 9 SECONDS.
TUE
W WINDS AROUND 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT
IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND SW 2 FT AT 4 SECONDS.
TUE NIGHT
SW 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: SW 2 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
WED AND WED NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 3 SECONDS AND E 1 FOOT AT 6 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SE. 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.
ANZ234-260600-
BUZZARDS BAY-
105 PM EDT MON AUG 25 2025
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 2 FT AT 8 SECONDS AND SE 2 FT AT
9 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE
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 2 FT
AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
TUE NIGHT
SW 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: SW 2 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
WED AND WED NIGHT
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT 5 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
SE 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.
ANZ235-260600-
RHODE ISLAND SOUND-
105 PM EDT MON AUG 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING
THROUGH LATE TONIGHT...
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND SW 1 FOOT
AT 3 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT
7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TUE
W WINDS AROUND 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT
IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT
8 SECONDS AND SW 3 FT AT 4 SECONDS.
TUE NIGHT
SW 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: SW 3 FT AT 4 SECONDS AND S 3 FT AT 8 SECONDS.
WED AND WED NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 2 FT AT 3 SECONDS AND S 2 FT AT 8 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SE. SEAS 2 TO 3 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.
ANZ237-260600-
BLOCK ISLAND SOUND-
105 PM EDT MON AUG 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING
THROUGH LATE TONIGHT...
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT AT
9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
TUE
W WINDS AROUND 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT
IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS AND W 2 FT AT 3 SECONDS.
TUE NIGHT
SW 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: S 3 FT AT 8 SECONDS AND W 2 FT AT 3 SECONDS.
WED AND WED NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 2 FT AT 3 SECONDS AND S 2 FT AT 8 SECONDS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING E. SEAS 2 TO 3 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.
ANZ230-260600-
BOSTON HARBOR-
105 PM EDT MON AUG 25 2025
THIS AFTERNOON
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND TSTMS. VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT AFTER MIDNIGHT.
TUE
W WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES AROUND 2 FT.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS.
WED
NW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT, BECOMING SW. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS.
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.
ANZ236-260600-
NARRAGANSETT BAY-
105 PM EDT MON AUG 25 2025
THIS AFTERNOON
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
TONIGHT
SW WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. WAVES 2 TO 3 FT.
TUE
W WINDS 5 TO 10 KT, BECOMING SW WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. WAVES 2 TO 3 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 2 TO 3 FT.
WED AND WED NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
THU AND THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 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.
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