587
FZUS51 KBOX 052003
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
403 PM EDT SUN APR 5 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-060900-
403 PM EDT SUN APR 5 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
COLD FRONT SWEEPS ACROSS THE WATERS TONIGHT. INCREASING W FLOW
BRINGS SCA CONDITIONS COLDER BUT DRIER WNW FLOW FOLLOWS FOR MONDAY.
NW FLOW WEAKENS TUES AND WED AS HIGH PRESSURE BUILDS OVERHEAD.
ANOTHER APPROACHING AREA OF LOW PRESSURE BRINGS ELEVATED WINDS AND
SEAS THURS AND FRI.
ANZ250-060900-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND W 3 FT AT 4 SECONDS.
AREAS OF FOG THIS EVENING. SHOWERS THIS EVENING WITH VSBY 1 NM OR
LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
3 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
W WINDS AROUND 10 KT, BECOMING N IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT
8 SECONDS. RAIN LIKELY.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N
3 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF RAIN IN
THE EVENING.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 5 SECONDS AND E 3 FT AT
8 SECONDS.
THU THROUGH FRI
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
FRI NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 5 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.
ANZ251-060900-
MASSACHUSETTS BAY AND IPSWICH BAY-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING
TO 15 TO 20 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO
4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
AREAS OF FOG THIS EVENING. SHOWERS THIS EVENING WITH VSBY 1 NM OR
LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
TUE
NW WINDS 10 TO 15 KT. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND E
1 FOOT AT 7 SECONDS, BECOMING NW 2 FT AT 3 SECONDS AND NE 1 FOOT
AT 7 SECONDS. RAIN LIKELY.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NW 2 FT AT 3 SECONDS AND NE 2 FT AT 6 SECONDS. A CHANCE OF RAIN
IN THE EVENING.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS.
THU THROUGH FRI NIGHT
SW WINDS 15 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.
ANZ231-060900-
CAPE COD BAY-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND E 2 FT AT 7 SECONDS. AREAS OF FOG THIS EVENING.
SHOWERS THIS EVENING WITH VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE
W WINDS AROUND 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND SE 1 FOOT
AT 7 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
NW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS
AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF RAIN IN THE EVENING.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS.
THU THROUGH FRI
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 1 TO 2 FT.
FRI NIGHT
SW 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.
ANZ254-060900-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
TONIGHT
SW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 7 FT
AT 8 SECONDS AND W 2 FT AT 5 SECONDS. SHOWERS, MAINLY THIS
EVENING. AREAS OF FOG THIS EVENING WITH VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: W 4 FT AT 4 SECONDS AND S 4 FT AT 8 SECONDS.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT,
SUBSIDING TO 2 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT
8 SECONDS AND W 3 FT AT 5 SECONDS, BECOMING S 3 FT AT 8 SECONDS
AND NW 2 FT AT 5 SECONDS.
TUE
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND W 2 FT AT 4 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
NW WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND SE
2 FT AT 7 SECONDS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS.
THU AND THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
ANZ255-060900-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 30 KT. SEAS 6 TO 9 FT, SUBSIDING TO 5 TO 7 FT AFTER
MIDNIGHT. WAVE DETAIL: SW 8 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS, BECOMING S 7 FT AT 8 SECONDS AND W 1 FOOT AT
3 SECONDS. SHOWERS, MAINLY THIS EVENING. AREAS OF FOG THIS
EVENING WITH VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND
W 4 FT AT 5 SECONDS.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
6 FT AT 8 SECONDS AND W 3 FT AT 5 SECONDS.
TUE
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS. A CHANCE OF
RAIN.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W
4 FT AT 6 SECONDS AND E 3 FT AT 7 SECONDS.
WED
N WINDS 15 TO 20 KT, BECOMING E AROUND 10 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE
3 FT AT 5 SECONDS AND NW 3 FT AT 5 SECONDS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
THU AND THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
ANZ256-060900-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 6 TO 9 FT, SUBSIDING TO 5 TO 7 FT AFTER
MIDNIGHT. WAVE DETAIL: S 8 FT AT 8 SECONDS, BECOMING S 7 FT AT
8 SECONDS AND W 1 FOOT AT 3 SECONDS. AREAS OF FOG THIS EVENING.
SHOWERS THIS EVENING WITH VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND W 3 FT AT 4 SECONDS.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT, SUBSIDING TO 3 TO
4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND W 2 FT
AT 5 SECONDS, BECOMING S 4 FT AT 8 SECONDS AND W 1 FOOT AT
4 SECONDS.
TUE
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS. A
CHANCE OF RAIN IN THE MORNING.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
NW 4 FT AT 5 SECONDS AND S 2 FT AT 7 SECONDS.
WED AND WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND NE 2 FT AT
7 SECONDS.
THU AND THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
ANZ232-060900-
NANTUCKET SOUND-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND S 3 FT AT 8 SECONDS. AREAS OF FOG THIS EVENING.
SHOWERS THIS EVENING WITH VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
TUE
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND
S 1 FOOT AT 7 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
NW WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 1 TO 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND NE 1 FOOT
AT 6 SECONDS.
THU THROUGH FRI
S WINDS 10 TO 15 KT. SEAS 1 TO 2 FT.
FRI NIGHT
SW WINDS AROUND 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.
ANZ233-060900-
VINEYARD SOUND-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 25 KT. SEAS 4 TO 6 FT, SUBSIDING TO 3 TO 4 FT AFTER
MIDNIGHT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND SW 2 FT AT
4 SECONDS, BECOMING S 4 FT AT 8 SECONDS AND W 1 FOOT AT
4 SECONDS. AREAS OF FOG THIS EVENING. SHOWERS THIS EVENING WITH
VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND W 3 FT AT 5 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 8 SECONDS AND W 2 FT AT 5 SECONDS.
TUE
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND S 1 FOOT AT
8 SECONDS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 1 TO 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND NE 1 FOOT AT
5 SECONDS.
THU THROUGH FRI
S WINDS 10 TO 15 KT. SEAS 1 TO 2 FT.
FRI NIGHT
SW 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.
ANZ234-060900-
BUZZARDS BAY-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO 3 FT AFTER
MIDNIGHT. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND SW 2 FT AT
4 SECONDS, BECOMING SW 3 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
AREAS OF FOG THIS EVENING. SHOWERS THIS EVENING WITH VSBY 1 NM OR
LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND SW 3 FT AT 8 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND W 2 FT AT 5 SECONDS.
TUE
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
NW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE OF RAIN
IN THE EVENING.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 1 TO 2 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND NE 1 FOOT
AT 5 SECONDS.
THU THROUGH FRI
S WINDS 10 TO 15 KT. SEAS 1 TO 2 FT.
FRI NIGHT
SW 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.
ANZ235-060900-
RHODE ISLAND SOUND-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 7 FT
AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS. AREAS OF FOG THIS
EVENING. SHOWERS THIS EVENING WITH VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND W 2 FT AT 5 SECONDS.
TUE
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS. A CHANCE OF
RAIN.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
NW 3 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND NE 2 FT
AT 7 SECONDS.
THU THROUGH FRI NIGHT
SW 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.
ANZ237-060900-
BLOCK ISLAND SOUND-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND
W 2 FT AT 4 SECONDS. AREAS OF FOG THIS EVENING. SHOWERS THIS
EVENING WITH VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND W 3 FT AT 4 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
TUE
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND W 2 FT AT
4 SECONDS. A CHANCE OF RAIN.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS.
WED AND WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 1 TO 2 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND W 1 FOOT AT
3 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
THU NIGHT
S WINDS AROUND 10 KT. SEAS AROUND 2 FT.
FRI AND FRI NIGHT
SW WINDS AROUND 10 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.
ANZ230-060900-
BOSTON HARBOR-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. AREAS OF FOG THIS
EVENING. SHOWERS THIS EVENING WITH VSBY 1 NM OR LESS.
MON
W WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. WAVES AROUND
2 FT.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN
THE EVENING, THEN 1 FOOT OR LESS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
TUE
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. RAIN LIKELY.
TUE NIGHT
NW WINDS 10 TO 15 KT. WAVES AROUND 2 FT. A CHANCE OF
RAIN IN THE EVENING.
WED AND WED NIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT.
THU THROUGH FRI NIGHT
SW WINDS 15 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.
ANZ236-060900-
NARRAGANSETT BAY-
403 PM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
4 FT. AREAS OF FOG THIS EVENING. SHOWERS THIS EVENING WITH VSBY
1 NM OR LESS.
MON
W WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.
TUE
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. WAVES AROUND 2 FT. A CHANCE OF
RAIN.
TUE NIGHT
NW WINDS 10 TO 15 KT. WAVES AROUND 2 FT. A CHANCE OF
RAIN IN THE EVENING.
WED AND WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
THU THROUGH FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI NIGHT
SW WINDS AROUND 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.
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