608
FZUS51 KBOX 050806
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
406 AM EDT SUN APR 5 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-052100-
406 AM EDT SUN APR 5 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT LIFTS N AS A WARM FRONT TONIGHT, AND WINDS QUICKLY
SHIFT FROM THE ENE TO THE S BY SUNDAY MORNING. LOW PRESS EXITS THE
GREAT LAKES SUNDAY, WITH ITS TRAILING COLD FRONT SWEEPING ACROSS THE
NEW ENGLAND WATERS SUN NIGHT. COLDER BUT DRIER WNW FLOW FOLLOWS FOR
MONDAY.
ANZ250-052100-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
TODAY
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS AND S 3 FT AT 5 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS THIS MORNING, THEN SHOWERS WITH
ISOLATED TSTMS THIS AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
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 E 4 FT AT 8 SECONDS.
PATCHY FOG IN THE EVENING. SHOWERS IN THE 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 S 2 FT AT 8 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND S
2 FT AT 8 SECONDS.
TUE
S WINDS AROUND 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND W 2 FT AT
3 SECONDS. SHOWERS LIKELY WITH A CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N
4 FT AT 5 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE OF SNOW
SHOWERS IN THE EVENING.
WED AND WED NIGHT
N WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT.
SEAS 3 TO 5 FT.
THU AND THU NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-052100-
MASSACHUSETTS BAY AND IPSWICH BAY-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: E 5 FT AT 7 SECONDS AND S 3 FT AT 5 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS THIS MORNING, THEN SHOWERS WITH
ISOLATED TSTMS THIS AFTERNOON. VSBY 1 NM OR LESS.
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 3 FT AT 3 SECONDS.
PATCHY FOG IN THE EVENING. A CHANCE OF SHOWERS IN THE 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 S 2 FT AT 8 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 2 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS.
TUE
S WINDS AROUND 10 KT, BECOMING N WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT
3 SECONDS AND W 1 FOOT AT 3 SECONDS. A CHANCE OF SNOW SHOWERS.
SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE OF SNOW
SHOWERS IN THE EVENING.
WED THROUGH THU
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT.
THU NIGHT
S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-052100-
CAPE COD BAY-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND E 3 FT AT 7 SECONDS.
PATCHY FOG. A SLIGHT CHANCE OF SHOWERS THIS MORNING, THEN SHOWERS
WITH ISOLATED TSTMS THIS AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND
S 3 FT AT 7 SECONDS. PATCHY FOG IN THE EVENING. A CHANCE OF
SHOWERS IN THE 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: NW
3 FT AT 4 SECONDS AND S 2 FT AT 8 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 S 2 FT AT 8 SECONDS.
TUE
SW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 3 SECONDS AND S 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
TUE NIGHT
N WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND S
2 FT AT 7 SECONDS.
WED THROUGH THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-052100-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
TODAY
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 6 FT
AT 5 SECONDS AND E 6 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT CHANCE
OF SHOWERS THIS MORNING. A CHANCE OF SHOWERS THIS AFTERNOON. VSBY
1 NM OR LESS.
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 6 FT
AT 7 SECONDS AND W 3 FT AT 4 SECONDS. PATCHY FOG IN THE EVENING.
SHOWERS IN THE 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 5 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 NW 3 FT AT 5 SECONDS, BECOMING S 3 FT AT 8 SECONDS
AND NW 2 FT AT 5 SECONDS.
TUE
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 8 SECONDS AND W 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
TUE NIGHT
N WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N
4 FT AT 5 SECONDS AND S 2 FT AT 7 SECONDS.
WED AND WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING S 5 TO 10 KT. SEAS 3 TO 5 FT.
THU AND THU NIGHT
S 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.
ANZ255-052100-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
TODAY
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT, BUILDING TO 6 TO 9 FT THIS AFTERNOON. WAVE DETAIL: S 6 FT
AT 5 SECONDS AND E 4 FT AT 7 SECONDS, BECOMING SW 9 FT AT
8 SECONDS AND E 3 FT AT 7 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS THIS AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 20 TO 25 KT, BECOMING NW AROUND 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 6 TO 9 FT. WAVE DETAIL: SW 9 FT
AT 8 SECONDS AND E 3 FT AT 8 SECONDS. PATCHY FOG IN THE EVENING.
SHOWERS IN THE 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: SW 6 FT AT 8 SECONDS AND W 3 FT AT 5 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 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 6 FT AT
8 SECONDS AND W 1 FOOT AT 4 SECONDS, BECOMING SW 4 FT AT
7 SECONDS AND NW 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. A
CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W
4 FT AT 6 SECONDS AND N 2 FT AT 4 SECONDS.
WED
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
THU AND THU 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.
ANZ256-052100-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT, BUILDING TO 6 TO 9 FT THIS AFTERNOON. WAVE DETAIL: SE 6 FT
AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS, BECOMING S 9 FT AT
8 SECONDS AND E 2 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF
SHOWERS THIS MORNING. SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 20 TO 25 KT, BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 6 TO 9 FT, SUBSIDING TO 5 TO
7 FT AFTER MIDNIGHT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E 2 FT
AT 8 SECONDS, BECOMING S 7 FT AT 8 SECONDS AND W 2 FT AT
3 SECONDS. PATCHY FOG IN THE EVENING. SHOWERS IN THE 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 NW 2 FT AT 4 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 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 6 FT AT
8 SECONDS AND W 1 FOOT AT 4 SECONDS, BECOMING S 4 FT AT 7 SECONDS
AND W 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. SEAS AROUND 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS
AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: N 4 FT AT 5 SECONDS AND S 3 FT AT
7 SECONDS.
WED AND WED NIGHT
NE WINDS 15 TO 20 KT, BECOMING S 5 TO 10 KT.
SEAS 2 TO 4 FT.
THU AND THU NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-052100-
NANTUCKET SOUND-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT, BUILDING TO 4 TO 6 FT THIS AFTERNOON. WAVE DETAIL: S 3 FT
AT 6 SECONDS AND E 2 FT AT 7 SECONDS, BECOMING S 4 FT AT
7 SECONDS AND SW 3 FT AT 4 SECONDS. PATCHY FOG. A SLIGHT CHANCE
OF SHOWERS THIS MORNING. SHOWERS LIKELY WITH ISOLATED TSTMS THIS
AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 20 TO 25 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT, SUBSIDING TO 2 TO
4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND SW
3 FT AT 8 SECONDS, BECOMING W 2 FT AT 4 SECONDS AND S 2 FT AT
8 SECONDS. PATCHY FOG IN THE EVENING. SHOWERS IN THE 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 S 2 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 2 TO 4 FT. WAVE
DETAIL: W 3 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.
TUE
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND SW 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SW
2 FT AT 6 SECONDS.
WED THROUGH THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-052100-
VINEYARD SOUND-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT, BUILDING TO 4 TO 6 FT THIS AFTERNOON. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND E 2 FT AT 7 SECONDS, BECOMING SW 5 FT AT
7 SECONDS AND S 2 FT AT 4 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF
SHOWERS THIS MORNING, THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS
THIS AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 20 TO 25 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT.
WAVE DETAIL: SW 6 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS,
BECOMING SW 4 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS. PATCHY
FOG IN THE EVENING. SHOWERS IN THE 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 2 FT AT 4 SECONDS.
MON NIGHT
W 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: SW 4 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
TUE
SW WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND
SW 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 3 FT AT 6 SECONDS AND N 2 FT AT 4 SECONDS.
WED AND WED NIGHT
NE WINDS 10 TO 15 KT, BECOMING S 5 TO 10 KT.
SEAS AROUND 2 FT.
THU AND THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-052100-
BUZZARDS BAY-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
S WINDS 15 TO 20 KT, BECOMING SW 20 TO 25 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
5 FT THIS AFTERNOON. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 2 FT
AT 7 SECONDS, BECOMING SW 5 FT AT 7 SECONDS AND S 3 FT AT
4 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS THIS MORNING, THEN
SHOWERS WITH A SLIGHT CHANCE OF TSTMS THIS AFTERNOON. VSBY 1 NM
OR LESS.
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 8 SECONDS AND S 3 FT AT 5 SECONDS. PATCHY FOG IN THE EVENING.
SHOWERS IN THE 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 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,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 8 SECONDS AND W 2 FT AT 5 SECONDS.
TUE
SW WINDS 10 TO 15 KT, BECOMING W WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS
AND SW 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND SW 2 FT AT
6 SECONDS.
WED AND WED NIGHT
NE WINDS 10 TO 15 KT, BECOMING S 5 TO 10 KT.
SEAS AROUND 2 FT.
THU AND THU NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-052100-
RHODE ISLAND SOUND-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT, BUILDING TO 5 TO 7 FT THIS AFTERNOON. WAVE DETAIL: S 5 FT
AT 6 SECONDS AND E 2 FT AT 8 SECONDS, BECOMING S 7 FT AT
7 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS THIS MORNING, THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS
THIS AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING NW 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. PATCHY FOG IN THE EVENING.
SHOWERS IN THE 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: S 5 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
MON NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT.
WAVE DETAIL: S 5 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS,
BECOMING S 3 FT AT 8 SECONDS AND W 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 10 TO 15 KT, BECOMING W 15 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 SHOWERS.
TUE NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
3 FT AT 4 SECONDS AND SW 3 FT AT 6 SECONDS.
WED AND WED NIGHT
NE WINDS 10 TO 15 KT, BECOMING S. SEAS 2 TO
3 FT.
THU AND THU NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-052100-
BLOCK ISLAND SOUND-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 5 SECONDS AND E 2 FT AT 7 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS THIS MORNING, THEN SHOWERS WITH A
SLIGHT CHANCE OF TSTMS THIS AFTERNOON. VSBY 1 NM OR LESS.
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING NW 10 TO 15 KT 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 3 SECONDS. PATCHY FOG IN THE EVENING.
A CHANCE OF SHOWERS IN THE 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,
DIMINISHING TO 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. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
TUE
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 W 2 FT AT 3 SECONDS. A
CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS.
WED THROUGH THU
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-052100-
BOSTON HARBOR-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
S WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT THIS
AFTERNOON. WAVES 2 TO 3 FT. PATCHY FOG. A CHANCE OF SHOWERS THIS
MORNING, THEN SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON. VSBY
1 NM OR LESS.
TONIGHT
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS IN THE EVENING.
MON
W WINDS 15 TO 20 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 RAIN AND SNOW
SHOWERS AFTER MIDNIGHT.
TUE
SW 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. A CHANCE OF SNOW SHOWERS. SHOWERS LIKELY IN THE
MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. A CHANCE OF RAIN AND SNOW SHOWERS IN THE EVENING.
WED THROUGH THU NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. WAVES AROUND 2 FT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-052100-
NARRAGANSETT BAY-
406 AM EDT SUN APR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO
5 FT. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS THIS MORNING, THEN
SHOWERS WITH A SLIGHT CHANCE OF TSTMS THIS AFTERNOON. VSBY 1 NM
OR LESS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 20 KT. WAVES 2 TO 4 FT. PATCHY FOG IN THE EVENING. A
CHANCE OF SHOWERS IN THE 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 10 TO 15 KT, DIMINISHING TO AROUND 5 KT
AFTER MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
TUE
SW WINDS 10 TO 15 KT, BECOMING W WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. WAVES AROUND 2 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES AROUND 2 FT.
WED THROUGH THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES 2 TO 3 FT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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