479
FZUS51 KBOX 241405
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 AM EDT SUN MAY 24 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-250300-
1004 AM EDT SUN MAY 24 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A WARM FRONT AND LOW PRES APPROACHES THE WATERS FROM THE S ON
SUN. IT MAY BRING NEAR GALE FORCE WIND GUSTS FOR THE FAR OUTER
WATERS S OF BLOCK ISLAND AND NANTUCKET. THE LOW PRES LIFTS NE ACROSS
THE WATERS SUN NIGHT 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.
ANZ250-250300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 AM EDT SUN MAY 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH MONDAY EVENING...
THIS AFTERNOON
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 4 SECONDS. A CHANCE OF
RAIN, THEN RAIN LIKELY. PATCHY FOG WITH VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SE 6 FT AT 6 SECONDS. PATCHY FOG. RAIN LIKELY,
MAINLY IN THE EVENING. VSBY 1 TO 3 NM.
MON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING SW
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT
AT 9 SECONDS AND E 2 FT AT 6 SECONDS. PATCHY FOG. RAIN LIKELY.
VSBY 1 TO 3 NM.
MON NIGHT
W WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG IN THE
EVENING WITH VSBY 1 TO 3 NM.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND SW 2 FT AT
3 SECONDS.
WED THROUGH THU NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 8 SECONDS AND W 2 FT AT 3 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.
ANZ251-250300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 AM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 4 SECONDS AND E 3 FT AT
7 SECONDS. A CHANCE OF RAIN, THEN RAIN. PATCHY FOG WITH VSBY 1 TO
3 NM.
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 4 FT AT 5 SECONDS AND S 1 FOOT AT 9 SECONDS.
PATCHY FOG. RAIN IN THE EVENING. A CHANCE OF RAIN AFTER MIDNIGHT.
VSBY 1 TO 3 NM.
MON
S WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS AND
NW 1 FOOT AT 2 SECONDS. PATCHY FOG. RAIN LIKELY. VSBY 1 TO 3 NM.
MON NIGHT
W WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS.
TUE
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS.
TUE NIGHT
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
S 3 FT AT 3 SECONDS AND E 3 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
NW 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.
ANZ231-250300-
CAPE COD BAY-
1004 AM EDT SUN MAY 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS. PATCHY FOG.
RAIN LIKELY. VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS. PATCHY FOG. RAIN IN THE
EVENING. A CHANCE OF RAIN AFTER MIDNIGHT. VSBY 1 TO 3 NM.
MON
S WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS.
PATCHY FOG. RAIN LIKELY. VSBY 1 TO 3 NM.
MON NIGHT
W WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 7 SECONDS AND E 2 FT AT 8 SECONDS. PATCHY FOG IN THE
EVENING.
TUE
N WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND E 1 FOOT AT
4 SECONDS.
TUE NIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
WED THROUGH THU NIGHT
NW WINDS 5 TO 10 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.
ANZ254-250300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 AM EDT SUN MAY 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
THIS AFTERNOON
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING E 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO 4 FT,
BUILDING TO 4 TO 6 FT. WAVE DETAIL: E 4 FT AT 4 SECONDS AND S
1 FOOT AT 9 SECONDS, BECOMING SE 6 FT AT 6 SECONDS AND E 2 FT AT
3 SECONDS. PATCHY FOG. A CHANCE OF RAIN, THEN RAIN LIKELY WITH
VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: SE 8 FT AT 9 SECONDS AND E 3 FT AT 3 SECONDS.
PATCHY FOG. RAIN LIKELY IN THE EVENING. A CHANCE OF RAIN AFTER
MIDNIGHT. 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 5 TO 7 FT. WAVE DETAIL: SE
7 FT AT 9 SECONDS AND SW 1 FOOT AT 2 SECONDS. PATCHY FOG. A
CHANCE OF RAIN. VSBY 1 NM OR LESS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
5 FT AT 8 SECONDS AND S 2 FT AT 8 SECONDS. PATCHY FOG IN THE
EVENING WITH VSBY 1 TO 3 NM.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 7 SECONDS AND S 2 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E
3 FT AT 9 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.
ANZ255-250300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 AM EDT SUN MAY 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
THIS AFTERNOON
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT, BUILDING TO 5 TO 8 FT. WAVE DETAIL: E 6 FT AT
6 SECONDS AND S 2 FT AT 9 SECONDS, BECOMING SE 8 FT AT 9 SECONDS
AND S 4 FT AT 9 SECONDS. PATCHY FOG. RAIN. VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 6 TO 9 FT. WAVE DETAIL: SE 9 FT
AT 9 SECONDS AND E 4 FT AT 5 SECONDS. PATCHY FOG. RAIN LIKELY IN
THE EVENING. A CHANCE OF RAIN AFTER MIDNIGHT. VSBY 1 NM OR LESS.
MON
SW 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 S 6 FT AT 8 SECONDS.
PATCHY FOG. A CHANCE OF RAIN IN THE MORNING. RAIN LIKELY IN THE
AFTERNOON. VSBY 1 NM OR LESS.
MON NIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS AND W
1 FOOT AT 3 SECONDS. PATCHY FOG IN THE EVENING. A CHANCE OF RAIN
IN THE EVENING WITH VSBY 1 TO 3 NM.
TUE
E 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
6 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND E 3 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
NW 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.
ANZ256-250300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 AM EDT SUN MAY 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
THIS AFTERNOON
E WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 7 TO 9 FT. WAVE DETAIL: SE 9 FT AT 9 SECONDS AND SW 3 FT AT
10 SECONDS. PATCHY FOG. RAIN. VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 20 TO 25 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 8 TO 9 FT, SUBSIDING TO 6 TO
8 FT AFTER MIDNIGHT. WAVE DETAIL: SE 9 FT AT 9 SECONDS AND E 3 FT
AT 6 SECONDS, BECOMING SE 8 FT AT 9 SECONDS AND E 4 FT AT
6 SECONDS. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
MON
SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT
AT 9 SECONDS AND SW 6 FT AT 11 SECONDS. PATCHY FOG. A CHANCE OF
RAIN. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE
AFTERNOON.
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 8 SECONDS AND S
2 FT AT 7 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
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.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND SW 1 FOOT AT 2 SECONDS.
WED THROUGH THU NIGHT
W 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.
ANZ232-250300-
NANTUCKET SOUND-
1004 AM EDT SUN MAY 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT 5 SECONDS AND S 1 FOOT AT
8 SECONDS. PATCHY FOG. RAIN. VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 5 FT AT 5 SECONDS AND SW 2 FT AT 9 SECONDS.
PATCHY FOG. RAIN IN THE EVENING. A CHANCE OF RAIN AFTER MIDNIGHT.
VSBY 1 NM OR LESS.
MON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS.
PATCHY FOG. A CHANCE OF RAIN IN THE MORNING. RAIN LIKELY IN THE
AFTERNOON. VSBY 1 TO 3 NM.
MON NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND W 1 FOOT AT
3 SECONDS. PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 6 SECONDS AND SE 1 FOOT AT 4 SECONDS.
WED THROUGH THU NIGHT
NW 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 SW
2 FT AT 6 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.
ANZ233-250300-
VINEYARD SOUND-
1004 AM EDT SUN MAY 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND E 2 FT AT
3 SECONDS. PATCHY FOG. RAIN. VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND S 3 FT AT 9 SECONDS.
PATCHY FOG. RAIN IN THE EVENING. A CHANCE OF RAIN AFTER MIDNIGHT.
VSBY 1 NM OR LESS.
MON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND SE 4 FT AT
8 SECONDS. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 TO 3 NM.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND W 1 FOOT AT
2 SECONDS. PATCHY FOG IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS.
WED THROUGH THU NIGHT
W 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 4 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.
ANZ234-250300-
BUZZARDS BAY-
1004 AM EDT SUN MAY 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS AND E 2 FT AT
3 SECONDS. PATCHY FOG. RAIN. VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND E 2 FT AT 4 SECONDS.
PATCHY FOG. RAIN IN THE EVENING. A CHANCE OF RAIN AFTER MIDNIGHT.
VSBY 1 NM OR LESS.
MON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND W 1 FOOT AT
2 SECONDS. PATCHY FOG. RAIN LIKELY. VSBY 1 TO 3 NM.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
3 SECONDS. PATCHY FOG IN THE EVENING.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
WED THROUGH THU NIGHT
W 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 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.
ANZ235-250300-
RHODE ISLAND SOUND-
1004 AM EDT SUN MAY 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
E WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT AT 9 SECONDS AND NE 2 FT AT
3 SECONDS. PATCHY FOG. RAIN. VSBY 1 TO 3 NM.
TONIGHT
E WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, BECOMING
SE 15 TO 20 KT AFTER MIDNIGHT. SEAS 5 TO 8 FT. WAVE DETAIL: SE
8 FT AT 9 SECONDS AND NE 2 FT AT 5 SECONDS. PATCHY FOG. RAIN
LIKELY IN THE EVENING. A CHANCE OF RAIN AFTER MIDNIGHT. VSBY 1 NM
OR LESS.
MON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND SW 4 FT AT
9 SECONDS. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 TO 3 NM.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT
9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS.
WED THROUGH THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND NE
2 FT AT 3 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.
ANZ237-250300-
BLOCK ISLAND SOUND-
1004 AM EDT SUN MAY 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT AT 7 SECONDS AND E 3 FT AT
4 SECONDS. PATCHY FOG. RAIN. VSBY 1 TO 3 NM.
TONIGHT
E WINDS 15 TO 20 KT, BECOMING SE 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT
AT 9 SECONDS AND S 4 FT AT 10 SECONDS. PATCHY FOG. RAIN LIKELY IN
THE EVENING. A CHANCE OF RAIN AFTER MIDNIGHT. VSBY 1 NM OR LESS.
MON
S WINDS AROUND 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND S 3 FT AT
10 SECONDS. PATCHY FOG. RAIN LIKELY, MAINLY IN THE MORNING. VSBY
1 TO 3 NM.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND S 2 FT AT
8 SECONDS.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SE 3 FT AT
8 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND SW 1 FOOT AT 2 SECONDS.
WED THROUGH THU NIGHT
NW 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.
ANZ230-250300-
BOSTON HARBOR-
1004 AM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. RAIN. PATCHY FOG WITH VSBY 1 TO 3 NM.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. PATCHY FOG. RAIN IN THE EVENING. A CHANCE OF RAIN
AFTER MIDNIGHT. VSBY 1 TO 3 NM.
MON
SE WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. WAVES
1 FOOT OR LESS. PATCHY FOG. RAIN LIKELY IN THE MORNING. A CHANCE
OF RAIN IN THE AFTERNOON. VSBY 1 TO 3 NM.
MON NIGHT
W WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
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 THROUGH THU NIGHT
NW 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.
ANZ236-250300-
NARRAGANSETT BAY-
1004 AM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
WAVES 3 TO 5 FT. PATCHY FOG. RAIN. VSBY 1 TO 3 NM.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 3 TO
5 FT. PATCHY FOG. RAIN IN THE EVENING. A CHANCE OF RAIN AFTER
MIDNIGHT. VSBY 1 NM OR LESS.
MON
S WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. WAVES
2 TO 4 FT. PATCHY FOG. RAIN LIKELY, MAINLY IN THE MORNING. VSBY
1 TO 3 NM.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES 2 TO 3 FT.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
AROUND 2 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED THROUGH THU NIGHT
NW 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.
ANZ280-250300-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1004 AM EDT SUN MAY 24 2026
THIS AFTERNOON
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS. A SLIGHT
CHANCE OF RAIN, THEN A CHANCE OF RAIN. PATCHY FOG WITH VSBY 1 TO
3 NM.
TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT
AT 6 SECONDS AND S 2 FT AT 9 SECONDS, BECOMING SE 8 FT AT
9 SECONDS AND E 3 FT AT 5 SECONDS. PATCHY FOG. RAIN LIKELY. VSBY
1 TO 3 NM.
MON
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO
7 FT IN THE AFTERNOON. WAVE DETAIL: SE 8 FT AT 9 SECONDS AND E
2 FT AT 6 SECONDS, BECOMING SE 7 FT AT 9 SECONDS AND NW 1 FOOT AT
2 SECONDS. PATCHY FOG. RAIN LIKELY, MAINLY IN THE MORNING. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE
6 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
TUE AND TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND SW 2 FT AT
4 SECONDS.
WED THROUGH THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E
3 FT AT 9 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.
ANZ281-250300-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1004 AM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 5 FT, BUILDING TO 5 TO 7 FT. WAVE DETAIL: E 5 FT AT
5 SECONDS AND S 1 FOOT AT 8 SECONDS, BECOMING SE 6 FT AT
7 SECONDS AND E 2 FT AT 3 SECONDS. PATCHY FOG. A CHANCE OF RAIN,
THEN RAIN. VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
9 FT, BUILDING TO 8 TO 10 FT AFTER MIDNIGHT. WAVE DETAIL: SE 9 FT
AT 9 SECONDS AND E 3 FT AT 7 SECONDS, BECOMING SE 10 FT AT
9 SECONDS AND E 2 FT AT 8 SECONDS. PATCHY FOG. RAIN LIKELY IN THE
EVENING. A CHANCE OF RAIN AFTER MIDNIGHT. VSBY 1 NM OR LESS.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
9 FT, SUBSIDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: SE
9 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS, BECOMING SE 7 FT AT
8 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG. A CHANCE OF RAIN
IN THE MORNING. RAIN LIKELY IN THE AFTERNOON. VSBY 1 NM OR LESS.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT
AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE
EVENING. A CHANCE OF RAIN IN THE EVENING WITH VSBY 1 TO 3 NM.
TUE AND TUE NIGHT
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 SW 2 FT AT
3 SECONDS.
WED THROUGH THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND SW
3 FT AT 7 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.
ANZ282-250300-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1004 AM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT.
GUSTS UP TO 30 KT. SEAS 6 TO 8 FT, BUILDING TO 7 TO 10 FT. WAVE
DETAIL: SE 8 FT AT 8 SECONDS AND NE 2 FT AT 3 SECONDS, BECOMING
SE 10 FT AT 9 SECONDS AND S 3 FT AT 9 SECONDS. PATCHY FOG. RAIN.
VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS.
TONIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 9 TO
11 FT, SUBSIDING TO 7 TO 10 FT AFTER MIDNIGHT. WAVE DETAIL: SE
11 FT AT 9 SECONDS AND E 3 FT AT 6 SECONDS, BECOMING SE 10 FT AT
9 SECONDS AND NE 2 FT AT 8 SECONDS. PATCHY FOG. A CHANCE OF RAIN.
VSBY 1 NM OR LESS.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
8 FT, SUBSIDING TO 5 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: SE
8 FT AT 9 SECONDS AND S 3 FT AT 6 SECONDS, BECOMING SE 6 FT AT
8 SECONDS AND SW 2 FT AT 7 SECONDS. PATCHY FOG. A CHANCE OF RAIN
IN THE MORNING. RAIN LIKELY IN THE AFTERNOON. VSBY 1 NM OR LESS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS. A CHANCE
OF RAIN IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
TUE
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND NE 1 FOOT AT
8 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
E 3 FT AT 6 SECONDS AND SW 2 FT AT 3 SECONDS.
WED THROUGH THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 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.
ANZ283-250300-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1004 AM EDT SUN MAY 24 2026
THIS AFTERNOON
E WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 8 TO 11 FT. WAVE DETAIL: SE 11 FT AT 9 SECONDS AND NE 3 FT
AT 6 SECONDS. PATCHY FOG. RAIN. VSBY 1 TO 3 NM.
TONIGHT
SE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, BECOMING
S 15 TO 20 KT AFTER MIDNIGHT. SEAS 9 TO 11 FT, SUBSIDING TO 7 TO
9 FT AFTER MIDNIGHT. WAVE DETAIL: SE 11 FT AT 9 SECONDS AND E
4 FT AT 6 SECONDS, BECOMING SE 9 FT AT 9 SECONDS AND E 4 FT AT
7 SECONDS. PATCHY FOG. A CHANCE OF RAIN. VSBY 1 NM OR LESS.
MON
SW 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 SW 6 FT AT
10 SECONDS. PATCHY FOG. A CHANCE OF RAIN IN THE MORNING. RAIN
LIKELY IN THE AFTERNOON. 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 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 7 SECONDS AND W 1 FOOT AT 2 SECONDS. PATCHY FOG
IN THE EVENING. A CHANCE OF RAIN IN THE EVENING WITH VSBY 1 TO
3 NM.
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 3 FT AT
7 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
E 3 FT AT 7 SECONDS AND S 3 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 3 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.
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