146
FZUS51 KBOX 250505
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
105 AM EDT MON MAY 25 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-251800-
105 AM EDT MON MAY 25 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
LOW PRES LIFTS NE ACROSS THE WATERS TONIGHT THEN INTO THE GULF OF
MAINE MON. WEAK HIGH PRES FOLLOWS TUE, THEN A COLD FRONT WILL MOVE
INTO THE REGION FROM THE N WED AFTERNOON/EVENING. SOME UNSETTLED
CONDITIONS MAY BE A POSSIBILITY ONCE AGAIN FOR THE LATTER HALF OF
THE WEEK.
ANZ250-251800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
105 AM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 6 SECONDS. PATCHY FOG.
SHOWERS LIKELY. VSBY 1 NM OR LESS.
MON
S WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS 4 TO
6 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND E 2 FT AT 5 SECONDS.
PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND S 2 FT AT
7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM
AFTER MIDNIGHT.
TUE
NW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS.
TUE NIGHT AND WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND SW 2 FT AT
3 SECONDS.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND N 1 FOOT AT
3 SECONDS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
FRI
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 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.
ANZ251-251800-
MASSACHUSETTS BAY AND IPSWICH BAY-
105 AM EDT MON MAY 25 2026
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND NE 1 FOOT
AT 9 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
S WINDS AROUND 5 KT, BECOMING W AROUND 5 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS AND
W 1 FOOT AT 4 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND SW 1 FOOT AT
2 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM IN THE EVENING.
TUE
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND SW 1 FOOT AT
6 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND SW 2 FT AT 3 SECONDS.
WED
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
WED NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 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.
ANZ231-251800-
CAPE COD BAY-
105 AM EDT MON MAY 25 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS
MORNING...
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS. PATCHY FOG. A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
S WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND SE 1 FOOT AT
3 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT
AT 8 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
TUE
N WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND NE 1 FOOT AT
5 SECONDS. PATCHY FOG IN THE MORNING.
TUE NIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 5 SECONDS.
WED
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT, THEN
1 FOOT OR LESS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS,
THEN 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.
ANZ254-251800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
105 AM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT AT 9 SECONDS AND E 1 FOOT AT
3 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF TSTMS. VSBY 1 NM OR LESS.
MON
S WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT AT 9 SECONDS
AND W 1 FOOT AT 2 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 NM
OR LESS.
MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS AND S
4 FT AT 10 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 2 FT AT
8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT AND WED
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 W 2 FT AT
3 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND N 1 FOOT AT
2 SECONDS.
THU THROUGH FRI
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS.
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.
ANZ255-251800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
105 AM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
SE WINDS 15 TO 20 KT. SEAS 5 TO 8 FT. WAVE
DETAIL: SE 8 FT AT 10 SECONDS AND E 2 FT AT 6 SECONDS. PATCHY
FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM
OR LESS.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SE 7 FT AT 9 SECONDS AND S 6 FT AT 7 SECONDS.
PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND
SW 4 FT AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT AND WED
SW 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 3 FT AT
8 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND NW 3 FT AT 3 SECONDS.
THU THROUGH FRI
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS.
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.
ANZ256-251800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
105 AM EDT MON MAY 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TONIGHT
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT. WAVE
DETAIL: SE 8 FT AT 9 SECONDS AND NE 3 FT AT 8 SECONDS. PATCHY
FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM
OR LESS.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SE 7 FT AT 9 SECONDS AND SW 5 FT AT
11 SECONDS. PATCHY DENSE FOG IN THE MORNING. PATCHY FOG IN THE
AFTERNOON. SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND
SW 4 FT AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING
TO 1 TO 3 NM AFTER MIDNIGHT.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT
7 SECONDS.
TUE NIGHT AND WED
SW 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 3 FT AT
8 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND E 2 FT AT 7 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 10 TO 15 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.
ANZ232-251800-
NANTUCKET SOUND-
105 AM EDT MON MAY 25 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
REST OF TONIGHT
SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: E 4 FT AT 6 SECONDS AND S 2 FT AT 8 SECONDS. PATCHY FOG.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR
LESS.
MON
S WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND
W 2 FT AT 3 SECONDS. PATCHY FOG. SHOWERS LIKELY, MAINLY IN THE
MORNING. VSBY 1 NM OR LESS.
MON NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND E
2 FT AT 8 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO
1 TO 3 NM AFTER MIDNIGHT.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE NIGHT AND WED
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 1 FOOT AT
4 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
N AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT
3 SECONDS AND SE 2 FT AT 7 SECONDS.
THU THROUGH FRI
W WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
FRI NIGHT
W WINDS AROUND 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
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.
ANZ233-251800-
VINEYARD SOUND-
105 AM EDT MON MAY 25 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
REST OF TONIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SE 5 FT AT 8 SECONDS AND S 2 FT AT 9 SECONDS. PATCHY FOG.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR
LESS.
MON
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 7 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG. SHOWERS. VSBY
1 NM OR LESS.
MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SW
1 FOOT AT 4 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM IN THE EVENING.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND SW 2 FT AT
7 SECONDS.
TUE NIGHT AND WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND SW 2 FT AT
3 SECONDS.
WED 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 W 1 FOOT AT 3 SECONDS.
THU THROUGH FRI 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.
ANZ234-251800-
BUZZARDS BAY-
105 AM EDT MON MAY 25 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
REST OF TONIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND E 2 FT AT 3 SECONDS. PATCHY FOG.
A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
S 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: S 3 FT AT
7 SECONDS AND SW 2 FT AT 2 SECONDS. PATCHY FOG. SHOWERS. VSBY
1 NM OR LESS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 1 FOOT AT
5 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM IN THE EVENING.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS.
TUE NIGHT AND WED
SW 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 E 1 FOOT AT
4 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
N 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND W 1 FOOT AT 3 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 10 TO 15 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.
ANZ235-251800-
RHODE ISLAND SOUND-
105 AM EDT MON MAY 25 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
REST OF TONIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: SE 7 FT AT 9 SECONDS AND NE 2 FT AT 4 SECONDS. PATCHY
FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM
OR LESS.
MON
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT
AT 9 SECONDS AND SW 4 FT AT 10 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS IN THE MORNING, THEN SHOWERS IN THE AFTERNOON. VSBY 1 NM
OR LESS.
MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND S
4 FT AT 11 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS.
TUE NIGHT AND WED
SW 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 3 FT AT
8 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
N AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
7 SECONDS AND W 1 FOOT AT 3 SECONDS.
THU THROUGH FRI NIGHT
W WINDS 10 TO 15 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.
ANZ237-251800-
BLOCK ISLAND SOUND-
105 AM EDT MON MAY 25 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
REST OF TONIGHT
SE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE
DETAIL: SE 6 FT AT 9 SECONDS AND S 3 FT AT 10 SECONDS. PATCHY
FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
S WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND S 4 FT AT
9 SECONDS. PATCHY DENSE FOG IN THE MORNING. PATCHY FOG IN THE
AFTERNOON. SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS AND S 3 FT AT
9 SECONDS. PATCHY FOG. VSBY 1 TO 3 NM.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT
8 SECONDS.
TUE NIGHT AND WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT
7 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND W
1 FOOT AT 3 SECONDS.
THU THROUGH FRI NIGHT
W 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.
ANZ230-251800-
BOSTON HARBOR-
105 AM EDT MON MAY 25 2026
REST OF TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
S WINDS AROUND 5 KT, BECOMING W AROUND 5 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS. PATCHY FOG. SHOWERS. VSBY 1 NM
OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
MON NIGHT
SW WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS. PATCHY FOG. VSBY 1 TO 3 NM.
TUE
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TUE NIGHT
SW WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS.
WED
W WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU AND THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. 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.
ANZ236-251800-
NARRAGANSETT BAY-
105 AM EDT MON MAY 25 2026
REST OF TONIGHT
SE WINDS AROUND 5 KT. WAVES 2 TO 4 FT. PATCHY
FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
MON
S WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. WAVES
2 TO 4 FT. PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 2 TO 3 FT. PATCHY FOG. VSBY 1 TO 3 NM.
TUE
N WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
AROUND 2 FT.
TUE NIGHT AND WED
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
WED NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. WAVES
AROUND 2 FT.
THU THROUGH FRI NIGHT
W WINDS 5 TO 10 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.
ANZ280-251800-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
105 AM EDT MON MAY 25 2026
REST OF TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT AT 8 SECONDS AND E 2 FT AT
5 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 NM OR LESS.
MON
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 6 TO 8 FT. WAVE DETAIL: SE
8 FT AT 9 SECONDS AND E 2 FT AT 5 SECONDS. PATCHY FOG. SHOWERS.
VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
W WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS AND NE 1 FOOT AT
5 SECONDS.
TUE NIGHT AND WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 3 FT AT
5 SECONDS.
WED NIGHT
W WINDS AROUND 10 KT, BECOMING N WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT
3 SECONDS AND SE 2 FT AT 7 SECONDS.
THU AND THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT. SEAS 2 TO 3 FT.
FRI AND FRI NIGHT
W WINDS 5 TO 10 KT, INCREASING TO 10 TO
15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO 4 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.
ANZ281-251800-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
105 AM EDT MON MAY 25 2026
REST OF TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 7 TO 9 FT. WAVE DETAIL: SE 9 FT AT 9 SECONDS AND E 1 FOOT AT
6 SECONDS. PATCHY FOG. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
TSTMS. VSBY 1 NM OR LESS.
MON
S WINDS 15 TO 20 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 25 KT. SEAS 6 TO 8 FT. WAVE DETAIL: SE 8 FT AT 9 SECONDS
AND SW 2 FT AT 9 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 5 TO 6 FT. WAVE
DETAIL: SE 6 FT AT 8 SECONDS AND S 5 FT AT 12 SECONDS. PATCHY
FOG. A CHANCE OF SHOWERS IN THE EVENING. VSBY 1 NM OR LESS.
TUE
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SW 4 FT AT
9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT AND WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 3 FT
AT 8 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 2 FT AT
8 SECONDS.
THU THROUGH FRI
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT.
FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
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.
ANZ282-251800-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
105 AM EDT MON MAY 25 2026
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 7 TO 9 FT. WAVE DETAIL: SE 9 FT AT 10 SECONDS AND E 2 FT AT
5 SECONDS. PATCHY FOG. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
TSTMS. VSBY 1 NM OR LESS.
MON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
8 FT. WAVE DETAIL: SE 7 FT AT 9 SECONDS AND S 3 FT AT 6 SECONDS.
PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 5 TO 6 FT. WAVE
DETAIL: SE 6 FT AT 8 SECONDS AND SW 3 FT AT 8 SECONDS. PATCHY
FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TUE
NE WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 3 FT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT AND WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND SE 3 FT
AT 8 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS AROUND 4 FT. WAVE DETAIL: W 4 FT AT
6 SECONDS AND SE 2 FT AT 9 SECONDS.
THU THROUGH FRI
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
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.
ANZ283-251800-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
105 AM EDT MON MAY 25 2026
REST OF TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 7 TO 8 FT. WAVE DETAIL: SE 8 FT AT 9 SECONDS AND SW 4 FT AT
10 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF TSTMS. VSBY 1 NM OR LESS.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 6 TO
7 FT. WAVE DETAIL: SE 7 FT AT 9 SECONDS AND S 3 FT AT 10 SECONDS.
PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
MON NIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 5 TO 6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND S
3 FT AT 7 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE
EVENING. VSBY 1 NM OR LESS.
TUE
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT AND WED
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND E 3 FT AT
7 SECONDS.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT
7 SECONDS AND W 2 FT AT 4 SECONDS.
THU THROUGH FRI
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
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