027
FZUS51 KBOX 051703
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 PM EDT TUE MAY 5 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-060600-
103 PM EDT TUE MAY 5 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
ANOTHER ROUND OF GALE FORCE SW GUSTS WILL DEVELOP TODAY OVER
NEARSHORE WATERS AS A COLD FRONT APPROACHES FROM THE GT LAKES. THE
FRONT WILL STALL ACROSS WESTERN NEW ENG ON WED THEN LOW PRES WILL
TRACK ACROSS NEW ENG WED NIGHT AND INTO THE MARITIMES THU. THE COLD
FRONT WILL CROSS THE WATERS THU WITH ANOTHER LOW PRES TRACKING S OF
NEW ENG. HIGH PRES BUILDS OVER THE MID ATLC COAST FRIDAY THEN
ANOTHER FRONTAL SYSTEM MAY MOVE INTO NEW ENG SAT.
ANZ250-060600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
THIS AFTERNOON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 6 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG. RAIN. VSBY 1 NM OR LESS IN THE EVENING.
THU
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING SW
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT
AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 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.
ANZ251-060600-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 PM EDT TUE MAY 5 2026
..GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS LIKELY IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS. PATCHY FOG. RAIN. VSBY
1 TO 3 NM IN THE EVENING.
THU
NW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF
SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ231-060600-
CAPE COD BAY-
103 PM EDT TUE MAY 5 2026
..GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
S WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SHOWERS LIKELY IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 3 SECONDS AND E 1 FOOT AT 11 SECONDS. PATCHY FOG. RAIN. VSBY
1 TO 3 NM IN THE EVENING.
THU
W WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
12 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF
SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ254-060600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
THIS AFTERNOON
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG. RAIN. VSBY 1 NM OR LESS IN THE EVENING.
THU
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS. PATCHY FOG. RAIN LIKELY
IN THE MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND SE 2 FT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 5 FT.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 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.
ANZ255-060600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
THIS AFTERNOON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
8 FT. WAVE DETAIL: SW 8 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND SE
1 FOOT AT 10 SECONDS. PATCHY FOG. RAIN. VSBY 1 NM OR LESS IN THE
EVENING.
THU
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG. A CHANCE OF RAIN IN THE MORNING. A CHANCE
OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT.
FRI NIGHT AND SAT
SW WINDS 15 TO 20 KT, BECOMING S 10 TO
15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 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.
ANZ256-060600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
THIS AFTERNOON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
9 FT. WAVE DETAIL: S 9 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 6 TO 7 FT. WAVE DETAIL: S 7 FT
AT 7 SECONDS AND E 1 FOOT AT 10 SECONDS. PATCHY FOG. RAIN. VSBY
1 NM OR LESS IN THE EVENING.
THU
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 5 TO 7 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND E 1 FOOT AT
9 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF
SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI THROUGH SAT
S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 5 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.
ANZ232-060600-
NANTUCKET SOUND-
103 PM EDT TUE MAY 5 2026
..GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS. PATCHY FOG. RAIN. VSBY 1 NM OR LESS IN THE EVENING.
THU
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND E
1 FOOT AT 8 SECONDS. PATCHY FOG. A CHANCE OF RAIN IN THE MORNING.
A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ233-060600-
VINEYARD SOUND-
103 PM EDT TUE MAY 5 2026
..GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND E 1 FOOT AT
8 SECONDS.
WED
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW
5 FT AT 8 SECONDS AND NE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS
IN THE AFTERNOON.
WED NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND E
2 FT AT 9 SECONDS. PATCHY FOG. RAIN. VSBY 1 NM OR LESS IN THE
EVENING.
THU
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND
SE 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 3 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ234-060600-
BUZZARDS BAY-
103 PM EDT TUE MAY 5 2026
..GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 2 FT AT
10 SECONDS. SHOWERS LIKELY IN THE AFTERNOON.
WED NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND
SE 2 FT AT 9 SECONDS. PATCHY FOG. RAIN. VSBY 1 NM OR LESS IN THE
EVENING.
THU
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 7 SECONDS AND SE 1 FOOT AT 10 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 2 FT AT 6 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ235-060600-
RHODE ISLAND SOUND-
103 PM EDT TUE MAY 5 2026
..GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND SE 1 FOOT AT
9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E 3 FT AT 8 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E 3 FT AT 8 SECONDS. A
CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND SE
2 FT AT 10 SECONDS. PATCHY FOG. RAIN. VSBY 1 NM OR LESS IN THE
EVENING.
THU
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 7 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI THROUGH SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 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.
ANZ237-060600-
BLOCK ISLAND SOUND-
103 PM EDT TUE MAY 5 2026
..GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 1 FOOT
AT 9 SECONDS.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 1 FOOT AT
8 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT
AT 7 SECONDS AND SE 1 FOOT AT 9 SECONDS. PATCHY FOG. RAIN. VSBY
1 NM OR LESS IN THE EVENING.
THU
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT AT
7 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SAT AND SAT NIGHT
SW 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.
ANZ230-060600-
BOSTON HARBOR-
103 PM EDT TUE MAY 5 2026
..GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
WAVES AROUND 2 FT.
TONIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. WAVES AROUND 2 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT. SHOWERS LIKELY IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. PATCHY FOG. RAIN.
THU
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF RAIN
IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
SAT AND SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 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.
ANZ236-060600-
NARRAGANSETT BAY-
103 PM EDT TUE MAY 5 2026
..GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT.
WAVES 3 TO 4 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES
3 TO 5 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO
4 FT. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 4 FT. PATCHY FOG. RAIN.
VSBY 1 NM OR LESS IN THE EVENING.
THU
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN IN
THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS IN THE EVENING.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW 5 TO 10 KT. WAVES 2 TO 3 FT.
SAT AND SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 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.
ANZ280-060600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 PM EDT TUE MAY 5 2026
THIS AFTERNOON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT.
SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT. SEAS 7 TO
9 FT. WAVE DETAIL: S 9 FT AT 7 SECONDS AND E 2 FT AT 10 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 6 FT
AT 6 SECONDS AND E 1 FOOT AT 10 SECONDS. PATCHY FOG. RAIN. VSBY
1 NM OR LESS IN THE EVENING.
THU
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: W 5 FT
AT 6 SECONDS AND E 1 FOOT AT 10 SECONDS. A CHANCE OF RAIN IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON. PATCHY FOG IN
THE MORNING.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND SE 2 FT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT.
SAT NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 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.
ANZ281-060600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 PM EDT TUE MAY 5 2026
THIS AFTERNOON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
S WINDS 20 TO 25 KT. GUSTS UP TO 40 KT, DECREASING TO
30 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT. WAVE DETAIL: S 8 FT AT
7 SECONDS AND E 1 FOOT AT 10 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG. RAIN. VSBY 1 NM OR LESS IN THE EVENING.
THU
SW WINDS 15 TO 20 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND
E 1 FOOT AT 10 SECONDS. PATCHY FOG. RAIN IN THE MORNING. SHOWERS
LIKELY IN THE AFTERNOON.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
4 TO 6 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS AND SE 3 FT AT
9 SECONDS. PATCHY FOG IN THE EVENING. A CHANCE OF SHOWERS IN THE
EVENING.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
5 TO 7 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
5 FT.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 5 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.
ANZ282-060600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 PM EDT TUE MAY 5 2026
THIS AFTERNOON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 6 TO 8 FT. WAVE DETAIL: SW 8 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 6 TO
8 FT. WAVE DETAIL: SW 8 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
7 FT. WAVE DETAIL: SW 7 FT AT 7 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT, BUILDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: SW
6 FT AT 7 SECONDS AND E 1 FOOT AT 10 SECONDS, BECOMING SW 7 FT AT
7 SECONDS AND E 1 FOOT AT 10 SECONDS. PATCHY FOG. RAIN. VSBY 1 NM
OR LESS IN THE EVENING.
THU
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 5 TO 8 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG. RAIN IN THE MORNING. SHOWERS LIKELY IN
THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG IN THE
EVENING. A CHANCE OF SHOWERS IN THE EVENING.
FRI AND FRI NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 5 TO 8 FT.
SAT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 6 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.
ANZ283-060600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 PM EDT TUE MAY 5 2026
THIS AFTERNOON
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 7 TO 8 FT. WAVE DETAIL: SW 8 FT AT 7 SECONDS AND E 1 FOOT AT
9 SECONDS.
TONIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
9 FT. WAVE DETAIL: SW 9 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 6 TO
8 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
WED NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 6 TO 8 FT. WAVE DETAIL: S 8 FT
AT 7 SECONDS AND E 1 FOOT AT 10 SECONDS. PATCHY FOG. RAIN. VSBY
1 NM OR LESS IN THE EVENING.
THU
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 6 TO 8 FT, SUBSIDING TO 5 TO 6 FT IN THE AFTERNOON. WAVE
DETAIL: S 7 FT AT 8 SECONDS AND E 1 FOOT AT 10 SECONDS, BECOMING
S 5 FT AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS. PATCHY FOG. RAIN
LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S
5 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI AND FRI NIGHT
W WINDS AROUND 15 KT, BECOMING SW. GUSTS UP
TO 20 KT. SEAS 5 TO 7 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 6 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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