466
FZUS51 KBOX 302303
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 PM EDT SAT MAY 30 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-311200-
703 PM EDT SAT MAY 30 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
STORM-FORCE GUSTS WILL DROP OFF THIS EVENING INTO TONIGHT. HIGH PRES
BRIEFLY BUILDS SOUTH OF THE WATERS SUN BEFORE ANOTHER NORTHERN
STREAM SHORTWAVE/LOW PRES SYSTEM CROSSES THE REGION MON. LOW PRES
WILL THEN MEANDER SOUTH OF THE WATERS INTO THE MIDDLE OF NEXT WEEK.
ANZ250-311200-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT, BECOMING
N 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 8 TO
11 FT, SUBSIDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: NE
11 FT AT 8 SECONDS AND W 1 FOOT AT 8 SECONDS, BECOMING E 8 FT AT
8 SECONDS AND W 1 FOOT AT 8 SECONDS.
SUN
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
5 TO 7 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND SW 1 FOOT AT
6 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 9 SECONDS AND SW 1 FOOT AT 5 SECONDS. A CHANCE OF
SHOWERS.
MON
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND SW 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS IN
THE MORNING.
MON NIGHT
E WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S 1 FOOT AT
5 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 3 FT AT 9 SECONDS AND S 1 FOOT AT 5 SECONDS.
WED AND WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW. SEAS 3 TO 4 FT.
THU AND THU NIGHT
E WINDS 5 TO 10 KT, BECOMING SW. 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.
ANZ251-311200-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT, BECOMING
N 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 6 TO
9 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: NE 9 FT
AT 8 SECONDS AND SW 2 FT AT 8 SECONDS, BECOMING E 7 FT AT
8 SECONDS AND NW 1 FOOT AT 8 SECONDS.
SUN
NW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
4 TO 6 FT. WAVE DETAIL: E 6 FT AT 8 SECONDS AND W 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS.
MON
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 7 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
E WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NE 3 FT AT
9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND SE 1 FOOT AT 5 SECONDS.
WED THROUGH THU NIGHT
SW 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.
ANZ231-311200-
CAPE COD BAY-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, BECOMING
N 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 5 TO
7 FT. WAVE DETAIL: NE 7 FT AT 6 SECONDS AND NW 3 FT AT 9 SECONDS.
A SLIGHT CHANCE OF SHOWERS THIS EVENING.
SUN
NW WINDS 10 TO 15 KT, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT AT 7 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND SW 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS
AND NE 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
NE WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS.
TUE AND TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 5 SECONDS.
WED THROUGH THU NIGHT
SW 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.
ANZ254-311200-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 PM EDT SAT MAY 30 2026
..STORM WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT, BECOMING
N 20 TO 25 KT AFTER MIDNIGHT. SEAS 9 TO 12 FT, SUBSIDING TO 7 TO
10 FT AFTER MIDNIGHT. WAVE DETAIL: NE 11 FT AT 9 SECONDS AND S
2 FT AT 7 SECONDS, BECOMING NE 10 FT AT 9 SECONDS AND SW 1 FOOT
AT 6 SECONDS. PATCHY FOG THIS EVENING. A CHANCE OF SHOWERS THIS
EVENING WITH VSBY 1 TO 3 NM.
SUN
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING W
5 TO 10 KT IN THE AFTERNOON. SEAS 6 TO 9 FT, SUBSIDING TO 5 TO
7 FT IN THE AFTERNOON. WAVE DETAIL: NE 8 FT AT 9 SECONDS AND W
1 FOOT AT 6 SECONDS, BECOMING E 7 FT AT 9 SECONDS AND W 1 FOOT AT
5 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E
6 FT AT 9 SECONDS AND SW 1 FOOT AT 4 SECONDS. A CHANCE OF
SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND
SW 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND S 1 FOOT AT 6 SECONDS.
TUE AND TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND S 1 FOOT AT 5 SECONDS.
WED
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 10 TO 15 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.
ANZ255-311200-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 PM EDT SAT MAY 30 2026
..STORM WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT,
DIMINISHING TO 20 TO 25 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 6 TO 9 FT. WAVE DETAIL: NE 9 FT AT 7 SECONDS AND W 4 FT AT
6 SECONDS. PATCHY FOG THIS EVENING. A CHANCE OF SHOWERS THIS
EVENING.
SUN
N WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS AND
NW 3 FT AT 4 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E
5 FT AT 10 SECONDS AND W 3 FT AT 4 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
MON
W WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 3 FT AT
6 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT THROUGH TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NE 4 FT AT 9 SECONDS AND SW 2 FT AT 6 SECONDS.
WED AND WED NIGHT
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: NE 5 FT AT 5 SECONDS AND S 4 FT AT 8 SECONDS. A CHANCE OF
SHOWERS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 10 TO 15 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.
ANZ256-311200-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT,
DIMINISHING TO 20 TO 25 KT AFTER MIDNIGHT. SEAS 5 TO 8 FT,
SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: NE 8 FT AT
6 SECONDS AND SW 2 FT AT 7 SECONDS, BECOMING NE 6 FT AT 8 SECONDS
AND W 2 FT AT 6 SECONDS.
SUN
NW WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS
AND NW 2 FT AT 4 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT 10 SECONDS AND SW
3 FT AT 4 SECONDS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND
E 3 FT AT 9 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: NE 3 FT AT 8 SECONDS AND SW 2 FT AT 5 SECONDS.
TUE AND TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 9 SECONDS AND S 2 FT AT 6 SECONDS.
WED AND WED NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. SEAS 3 TO 5 FT.
THU AND THU NIGHT
NE WINDS 10 TO 15 KT, BECOMING NW. 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.
ANZ232-311200-
NANTUCKET SOUND-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT,
DIMINISHING TO 20 TO 25 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE
DETAIL: NE 6 FT AT 5 SECONDS AND W 2 FT AT 7 SECONDS. A CHANCE OF
SHOWERS THIS EVENING.
SUN
N WINDS 10 TO 15 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND NW 1 FOOT AT
4 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND SW 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND W
1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 7 SECONDS AND SW 1 FOOT AT 6 SECONDS.
TUE AND TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 9 SECONDS AND S 1 FOOT AT 5 SECONDS.
WED
NE WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
WED NIGHT AND THU
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 10 TO 15 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.
ANZ233-311200-
VINEYARD SOUND-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT,
DIMINISHING TO 15 TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT,
SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT. WAVE DETAIL: NE 4 FT AT
4 SECONDS AND W 2 FT AT 7 SECONDS, BECOMING NE 3 FT AT 7 SECONDS
AND NW 1 FOOT AT 6 SECONDS.
SUN
NW 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 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND S
1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS
AND S 1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO AROUND 5 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT
6 SECONDS AND NE 1 FOOT AT 5 SECONDS.
TUE AND TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: S 1 FOOT AT 5 SECONDS AND E 1 FOOT AT 10 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.
ANZ234-311200-
BUZZARDS BAY-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 3 TO 5 FT, SUBSIDING TO 2 FT AFTER MIDNIGHT. WAVE DETAIL: NE
4 FT AT 4 SECONDS AND W 1 FOOT AT 7 SECONDS, BECOMING NE 2 FT AT
4 SECONDS AND NW 1 FOOT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS
THIS EVENING.
SUN
NW WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 10 SECONDS. A CHANCE OF SHOWERS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 5 SECONDS
AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 6 SECONDS.
TUE AND TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 1 FOOT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS.
WED THROUGH THU NIGHT
W 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.
ANZ235-311200-
RHODE ISLAND SOUND-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT,
DIMINISHING TO 15 TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT,
SUBSIDING TO 2 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: NE 6 FT AT
5 SECONDS AND SW 2 FT AT 7 SECONDS, BECOMING NE 4 FT AT 7 SECONDS
AND W 1 FOOT AT 6 SECONDS.
SUN
NW WINDS 10 TO 15 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: W 3 FT AT 3 SECONDS AND E 3 FT AT
9 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 2 FT AT 10 SECONDS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND
SE 2 FT AT 10 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS
AND SW 2 FT AT 6 SECONDS.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 4 SECONDS AND E 2 FT AT 9 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.
ANZ237-311200-
BLOCK ISLAND SOUND-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 3 TO 5 FT, SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT. WAVE
DETAIL: NE 5 FT AT 5 SECONDS AND S 2 FT AT 7 SECONDS, BECOMING NE
3 FT AT 6 SECONDS AND W 1 FOOT AT 6 SECONDS.
SUN
NW 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: E 3 FT AT
9 SECONDS AND W 2 FT AT 3 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND
SW 2 FT AT 4 SECONDS.
MON
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND
E 2 FT AT 10 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS
AND E 2 FT AT 7 SECONDS.
TUE AND TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 5 SECONDS AND E 2 FT AT 9 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.
ANZ230-311200-
BOSTON HARBOR-
703 PM EDT SAT MAY 30 2026
..GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, BECOMING
N 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT THIS EVENING, THEN
1 FOOT OR LESS. AT THE OUTER HARBOR ENTRANCE, WAVES 3 TO 5 FT.
SUN
NW WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS, EXCEPT 2 TO 4 FT AT THE OUTER HARBOR ENTRANCE. A
CHANCE OF SHOWERS IN THE AFTERNOON.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
MON
N WINDS 10 TO 15 KT, BECOMING NE IN THE AFTERNOON. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
E WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
TUE AND TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED THROUGH THU NIGHT
SW 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.
ANZ236-311200-
NARRAGANSETT BAY-
703 PM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SUN
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. WAVES
AROUND 2 FT.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON
NW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TUE AND TUE NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED THROUGH THU NIGHT
W WINDS 10 TO 15 KT. WAVES 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.
ANZ280-311200-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 PM EDT SAT MAY 30 2026
..STORM WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT, BECOMING
N 15 TO 20 KT WITH GUSTS UP TO 25 KT AFTER MIDNIGHT. SEAS 9 TO
12 FT, SUBSIDING TO 7 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: NE
11 FT AT 8 SECONDS AND S 1 FOOT AT 7 SECONDS, BECOMING NE 7 FT AT
8 SECONDS AND S 1 FOOT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS
THIS EVENING.
SUN
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING SW
AROUND 5 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: E 6 FT
AT 9 SECONDS AND S 1 FOOT AT 7 SECONDS.
SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 9 SECONDS AND SW 1 FOOT AT 6 SECONDS. A CHANCE OF
SHOWERS.
MON
NE WINDS 10 TO 15 KT. SEAS AROUND 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT
NE WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S 1 FOOT AT
6 SECONDS.
TUE AND TUE NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 3 FT AT 8 SECONDS AND S 1 FOOT AT 5 SECONDS.
WED AND WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW. SEAS 3 TO 5 FT.
THU
SE WINDS AROUND 10 KT. SEAS 5 TO 7 FT.
THU NIGHT
SW 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.
ANZ281-311200-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 PM EDT SAT MAY 30 2026
..STORM WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
NE WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT, BECOMING
N 20 TO 25 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 10 TO
14 FT. WAVE DETAIL: NE 13 FT AT 9 SECONDS AND S 3 FT AT
7 SECONDS. PATCHY FOG THIS EVENING. SHOWERS THIS EVENING WITH
VSBY 1 TO 3 NM.
SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING NW
5 TO 10 KT IN THE AFTERNOON. SEAS 7 TO 10 FT, SUBSIDING TO 5 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: NE 10 FT AT 9 SECONDS AND SW
1 FOOT AT 7 SECONDS, BECOMING E 8 FT AT 9 SECONDS AND W 1 FOOT AT
5 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND SW
2 FT AT 7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON
W WINDS 5 TO 10 KT, BECOMING N IN THE AFTERNOON. SEAS 4 TO
5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS.
A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E
5 FT AT 9 SECONDS AND SW 2 FT AT 6 SECONDS.
TUE AND TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND SW 1 FOOT AT 5 SECONDS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 8 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 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.
ANZ282-311200-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 PM EDT SAT MAY 30 2026
..STORM WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT,
DIMINISHING TO 20 TO 25 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 9 TO 12 FT. WAVE DETAIL: NE 12 FT AT 9 SECONDS AND W 6 FT AT
7 SECONDS. PATCHY FOG THIS EVENING. SHOWERS THIS EVENING.
SUN
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING W
AROUND 10 KT IN THE AFTERNOON. SEAS 7 TO 10 FT, SUBSIDING TO 6 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: NE 10 FT AT 10 SECONDS AND NW
3 FT AT 6 SECONDS, BECOMING E 8 FT AT 10 SECONDS AND NW 1 FOOT AT
7 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E
6 FT AT 9 SECONDS AND W 3 FT AT 5 SECONDS.
MON
W WINDS AROUND 10 KT, BECOMING N IN THE AFTERNOON. SEAS
5 TO 6 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND SW 4 FT AT
6 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
MON NIGHT THROUGH TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE 4 FT AT 9 SECONDS AND
SW 3 FT AT 6 SECONDS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND S 1 FOOT AT
6 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT AND THU
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 6 TO 9 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 5 TO 8 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.
ANZ283-311200-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 PM EDT SAT MAY 30 2026
..STORM WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
N WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT,
DIMINISHING TO 20 TO 25 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 8 TO 11 FT, SUBSIDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE
DETAIL: NE 11 FT AT 8 SECONDS AND NW 9 FT AT 7 SECONDS, BECOMING
NE 9 FT AT 9 SECONDS AND NW 5 FT AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS THIS EVENING.
SUN
NW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 8 FT. WAVE DETAIL: NE 8 FT AT 10 SECONDS AND
NW 3 FT AT 6 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND SW 4 FT AT
5 SECONDS.
MON
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND
E 4 FT AT 9 SECONDS.
MON NIGHT THROUGH TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT AT 9 SECONDS AND
SW 2 FT AT 5 SECONDS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT AND THU
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 6 TO 9 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 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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