665
FZUS51 KBOX 150506
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
105 AM EDT SUN MAR 15 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-151800-
105 AM EDT SUN MAR 15 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES MOVES OFFSHORE TODAY. A WARM FRONT WILL LIFT N ACROSS THE
WATERS TONIGHT FOLLOWED BY STRONG LOW PRES LIFTING INTO QUEBEC ON
MON. GALE TO STORM FORCE S WIND GUSTS DEVELOP LATE MON INTO MON
NIGHT FOLLOWED BY NEAR GALE FORCE W WIND GUSTS TUE BEHIND A STRONG
COLD FRONT. HIGH PRES BUILDS OVER THE WATERS WED INTO THU, MOVING
OFFSHORE FRI.
ANZ250-151800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: NW 5 FT AT 5 SECONDS AND S 2 FT AT
8 SECONDS.
SUN
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING E
5 TO 10 KT IN THE AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: NW 4 FT
AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO
3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND
NW 1 FOOT AT 4 SECONDS, BECOMING SE 5 FT AT 5 SECONDS AND NW
1 FOOT AT 3 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
SE WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
7 FT, BUILDING TO 7 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: SE
7 FT AT 7 SECONDS AND SE 1 FOOT AT 10 SECONDS, BECOMING SE 9 FT
AT 8 SECONDS. PATCHY FOG IN THE MORNING. AREAS OF DENSE FOG IN
THE AFTERNOON. RAIN. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 25 TO 35 KT, BECOMING 30 TO 35 KT AFTER
MIDNIGHT. GUSTS UP TO 50 KT. SEAS 8 TO 11 FT, BUILDING TO 9 TO
13 FT AFTER MIDNIGHT. WAVE DETAIL: SE 11 FT AT 7 SECONDS,
BECOMING SE 12 FT AT 9 SECONDS AND S 6 FT AT 5 SECONDS. RAIN.
AREAS OF DENSE FOG IN THE EVENING WITH VSBY 1 NM OR LESS.
TUE
SW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT IN THE
AFTERNOON. SEAS 8 TO 11 FT. WAVE DETAIL: SE 10 FT AT 10 SECONDS
AND SW 6 FT AT 6 SECONDS. A CHANCE OF RAIN IN THE MORNING.
TUE NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 9 FT. A CHANCE OF LIGHT FREEZING SPRAY AFTER MIDNIGHT.
WED
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. A CHANCE OF LIGHT FREEZING SPRAY.
WED NIGHT THROUGH THU NIGHT
S 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.
ANZ251-151800-
MASSACHUSETTS BAY AND IPSWICH BAY-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW 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 SW 2 FT AT
8 SECONDS.
SUN
N WINDS 10 TO 15 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 4 SECONDS AND S 1 FOOT AT
8 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 4 SECONDS
AND NW 1 FOOT AT 4 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
SE WINDS 25 TO 30 KT, BECOMING S 20 TO 25 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SE 6 FT AT 8 SECONDS.
PATCHY FOG. RAIN. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS
5 TO 7 FT, BUILDING TO 6 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: SE
6 FT AT 8 SECONDS, BECOMING SE 7 FT AT 8 SECONDS AND SW 2 FT AT
4 SECONDS. RAIN. PATCHY DENSE FOG IN THE EVENING WITH VSBY 1 NM
OR LESS.
TUE
SW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: SE 7 FT AT 9 SECONDS AND
SW 5 FT AT 5 SECONDS. A CHANCE OF RAIN IN THE MORNING.
TUE NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF LIGHT FREEZING SPRAY AFTER MIDNIGHT.
WED
W WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF LIGHT
FREEZING SPRAY.
WED NIGHT THROUGH THU NIGHT
S 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.
ANZ231-151800-
CAPE COD BAY-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 3 FT AT 5 SECONDS AND S 2 FT AT 8 SECONDS.
SUN
N WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT AT 5 SECONDS AND
S 1 FOOT AT 8 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 4 SECONDS AND N 1 FOOT AT 4 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND SE 4 FT AT 4 SECONDS.
PATCHY FOG. RAIN. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 25 TO 35 KT, INCREASING TO 30 TO 40 KT AFTER
MIDNIGHT. GUSTS UP TO 50 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SE 6 FT
AT 10 SECONDS AND S 5 FT AT 5 SECONDS. RAIN. AREAS OF DENSE FOG
IN THE EVENING WITH VSBY 1 NM OR LESS.
TUE
SW WINDS 25 TO 30 KT, BECOMING W 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: SE 6 FT AT 10 SECONDS AND
SW 5 FT AT 5 SECONDS. A CHANCE OF RAIN IN THE MORNING.
TUE NIGHT
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
WED
W WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
WED NIGHT THROUGH THU NIGHT
S 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.
ANZ254-151800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE
DETAIL: NW 5 FT AT 5 SECONDS AND S 3 FT AT 8 SECONDS.
SUN
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING E
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT, SUBSIDING TO 2 TO
3 FT IN THE AFTERNOON. WAVE DETAIL: N 4 FT AT 5 SECONDS AND S
2 FT AT 8 SECONDS, BECOMING N 2 FT AT 5 SECONDS AND S 1 FOOT AT
7 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 2 FT AT 3 SECONDS AND N 2 FT AT 5 SECONDS, BECOMING S
5 FT AT 6 SECONDS AND NW 1 FOOT AT 5 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
7 FT, BUILDING TO 8 TO 11 FT IN THE AFTERNOON. WAVE DETAIL: SE
7 FT AT 7 SECONDS AND NW 1 FOOT AT 5 SECONDS, BECOMING SE 10 FT
AT 9 SECONDS AND SE 3 FT AT 5 SECONDS. PATCHY FOG IN THE MORNING.
AREAS OF FOG IN THE AFTERNOON. RAIN. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 25 TO 35 KT, BECOMING 30 TO 35 KT AFTER
MIDNIGHT. GUSTS UP TO 50 KT. SEAS 9 TO 13 FT, BUILDING TO 11 TO
15 FT AFTER MIDNIGHT. WAVE DETAIL: S 13 FT AT 9 SECONDS AND S
2 FT AT 5 SECONDS, BECOMING S 15 FT AT 10 SECONDS AND S 3 FT AT
5 SECONDS. RAIN. AREAS OF DENSE FOG IN THE EVENING WITH VSBY 1 NM
OR LESS.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 10 TO
14 FT, SUBSIDING TO 8 TO 11 FT IN THE AFTERNOON. WAVE DETAIL: S
14 FT AT 11 SECONDS AND SW 3 FT AT 5 SECONDS, BECOMING S 11 FT AT
11 SECONDS AND SW 5 FT AT 9 SECONDS. RAIN LIKELY IN THE MORNING.
TUE NIGHT
W WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 8 TO 11 FT.
WED
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT.
WED NIGHT THROUGH THU NIGHT
SE WINDS 5 TO 10 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.
ANZ255-151800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT AT 8 SECONDS AND NW 3 FT AT
5 SECONDS.
SUN
N WINDS 10 TO 15 KT, BECOMING E IN THE AFTERNOON. SEAS
3 TO 5 FT, SUBSIDING TO 2 TO 3 FT IN THE AFTERNOON. WAVE DETAIL:
SW 5 FT AT 8 SECONDS AND N 1 FOOT AT 4 SECONDS, BECOMING SW 3 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 6 FT AFTER
MIDNIGHT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS, BECOMING S 6 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 6 TO
9 FT, BUILDING TO 9 TO 13 FT IN THE AFTERNOON. WAVE DETAIL: SE
9 FT AT 7 SECONDS AND SE 1 FOOT AT 10 SECONDS, BECOMING S 13 FT
AT 9 SECONDS AND SE 2 FT AT 5 SECONDS. PATCHY FOG IN THE MORNING.
AREAS OF DENSE FOG IN THE AFTERNOON. RAIN. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS
11 TO 15 FT, BUILDING TO 13 TO 18 FT AFTER MIDNIGHT. WAVE DETAIL:
S 15 FT AT 10 SECONDS AND S 2 FT AT 6 SECONDS, BECOMING S 18 FT
AT 11 SECONDS AND SW 2 FT AT 6 SECONDS. RAIN. AREAS OF DENSE FOG
IN THE EVENING WITH VSBY 1 NM OR LESS.
TUE
W WINDS 25 TO 35 KT. SEAS 11 TO 15 FT, SUBSIDING TO 10 TO
13 FT IN THE AFTERNOON. WAVE DETAIL: S 15 FT AT 11 SECONDS AND SW
7 FT AT 9 SECONDS, BECOMING SW 11 FT AT 10 SECONDS AND S 11 FT AT
11 SECONDS. RAIN LIKELY IN THE MORNING.
TUE NIGHT
W WINDS 25 TO 30 KT. SEAS 9 TO 13 FT, SUBSIDING TO
7 TO 10 FT AFTER MIDNIGHT.
WED
W WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT THROUGH THU NIGHT
SE WINDS 5 TO 10 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.
ANZ256-151800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND NW 3 FT AT
4 SECONDS.
SUN
NE WINDS 10 TO 15 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND E 2 FT AT
3 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER
MIDNIGHT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 1 FOOT AT
10 SECONDS, BECOMING S 6 FT AT 6 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 7 TO
10 FT, BUILDING TO 10 TO 14 FT IN THE AFTERNOON. WAVE DETAIL: SE
10 FT AT 7 SECONDS AND SE 1 FOOT AT 10 SECONDS, BECOMING S 14 FT
AT 9 SECONDS AND SE 1 FOOT AT 5 SECONDS. PATCHY FOG IN THE
MORNING. AREAS OF DENSE FOG IN THE AFTERNOON. RAIN. A CHANCE OF
TSTMS IN THE MORNING. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS
12 TO 17 FT, BUILDING TO 15 TO 19 FT AFTER MIDNIGHT. WAVE DETAIL:
S 17 FT AT 9 SECONDS AND SE 1 FOOT AT 4 SECONDS, BECOMING S 18 FT
AT 11 SECONDS AND SW 1 FOOT AT 5 SECONDS. RAIN. AREAS OF DENSE
FOG IN THE EVENING WITH VSBY 1 NM OR LESS.
TUE
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 12 TO
16 FT, SUBSIDING TO 10 TO 13 FT IN THE AFTERNOON. WAVE DETAIL: S
16 FT AT 11 SECONDS AND SW 7 FT AT 9 SECONDS, BECOMING S 12 FT AT
11 SECONDS AND SW 10 FT AT 10 SECONDS. A CHANCE OF RAIN IN THE
MORNING.
TUE NIGHT
W WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 9 TO 12 FT, SUBSIDING TO 7 TO 10 FT AFTER
MIDNIGHT.
WED
W WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT THROUGH THU NIGHT
SE 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.
ANZ232-151800-
NANTUCKET SOUND-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: W 3 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND SW 1 FOOT AT
8 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 4 SECONDS AND NW 1 FOOT
AT 5 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 7 FT AT 9 SECONDS AND SE 5 FT AT 6 SECONDS.
PATCHY FOG IN THE MORNING. AREAS OF DENSE FOG IN THE AFTERNOON.
RAIN. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS
6 TO 9 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND S 5 FT AT
10 SECONDS. RAIN. AREAS OF DENSE FOG IN THE EVENING WITH VSBY
1 NM OR LESS.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SW 5 FT AT 9 SECONDS.
RAIN LIKELY IN THE MORNING.
TUE NIGHT
W WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
WED AND WED NIGHT
W WINDS 15 TO 20 KT, BECOMING S 5 TO 10 KT.
SEAS 2 TO 4 FT.
THU AND THU NIGHT
SE 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.
ANZ233-151800-
VINEYARD SOUND-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 8 SECONDS AND NW 2 FT AT 5 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS
AND NW 1 FOOT AT 3 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
7 FT, BUILDING TO 6 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: S 5 FT
AT 8 SECONDS AND SE 4 FT AT 4 SECONDS, BECOMING SE 9 FT AT
9 SECONDS AND S 6 FT AT 9 SECONDS. PATCHY FOG IN THE MORNING.
AREAS OF DENSE FOG IN THE AFTERNOON. RAIN. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 35 TO 45 KT WITH GUSTS UP TO 50 KT. SEAS
8 TO 11 FT, BUILDING TO 9 TO 13 FT AFTER MIDNIGHT. WAVE DETAIL: S
9 FT AT 10 SECONDS AND S 3 FT AT 5 SECONDS, BECOMING S 11 FT AT
11 SECONDS AND SW 4 FT AT 6 SECONDS. RAIN. AREAS OF DENSE FOG IN
THE EVENING WITH VSBY 1 NM OR LESS.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 7 TO
10 FT. WAVE DETAIL: S 10 FT AT 11 SECONDS AND SW 8 FT AT
6 SECONDS. A CHANCE OF RAIN IN THE MORNING.
TUE NIGHT
W WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
WED
W WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
WED NIGHT THROUGH THU NIGHT
SE WINDS 5 TO 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.
ANZ234-151800-
BUZZARDS BAY-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 8 SECONDS AND NW 2 FT AT
4 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND N 1 FOOT AT
4 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 25 TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 3 SECONDS AND NW 1 FOOT AT 4 SECONDS. A CHANCE
OF RAIN AFTER MIDNIGHT.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS AND S 4 FT AT 4 SECONDS.
PATCHY FOG IN THE MORNING. AREAS OF DENSE FOG IN THE AFTERNOON.
RAIN. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 35 TO 45 KT WITH GUSTS UP TO 50 KT. SEAS
6 TO 9 FT. WAVE DETAIL: S 8 FT AT 11 SECONDS AND SW 6 FT AT
7 SECONDS. RAIN. AREAS OF DENSE FOG IN THE EVENING WITH VSBY 1 NM
OR LESS.
TUE
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 7 FT AT 11 SECONDS AND SW 6 FT AT 6 SECONDS.
A CHANCE OF RAIN IN THE MORNING.
TUE NIGHT
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT.
WED
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT.
WED NIGHT THROUGH THU NIGHT
SE 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.
ANZ235-151800-
RHODE ISLAND SOUND-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: SW 5 FT AT 8 SECONDS AND NW 3 FT AT 4 SECONDS.
SUN
N WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND E 2 FT AT
3 SECONDS.
SUN NIGHT
SE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS UP TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO
3 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND S
1 FOOT AT 7 SECONDS, BECOMING S 5 FT AT 6 SECONDS AND SE 1 FOOT
AT 10 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 6 TO
9 FT, BUILDING TO 9 TO 12 FT IN THE AFTERNOON. WAVE DETAIL: SE
9 FT AT 7 SECONDS, BECOMING S 12 FT AT 9 SECONDS AND SE 2 FT AT
5 SECONDS. PATCHY FOG IN THE MORNING. AREAS OF DENSE FOG IN THE
AFTERNOON. RAIN WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 30 TO 40 KT WITH GUSTS UP TO 50 KT. SEAS
10 TO 14 FT, BUILDING TO 12 TO 17 FT AFTER MIDNIGHT. WAVE DETAIL:
S 14 FT AT 9 SECONDS AND S 1 FOOT AT 4 SECONDS, BECOMING S 17 FT
AT 11 SECONDS AND S 2 FT AT 6 SECONDS. RAIN. AREAS OF DENSE FOG
IN THE EVENING WITH VSBY 1 NM OR LESS.
TUE
W WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 9 TO
13 FT, SUBSIDING TO 8 TO 11 FT IN THE AFTERNOON. WAVE DETAIL: S
13 FT AT 11 SECONDS AND SW 6 FT AT 9 SECONDS, BECOMING S 11 FT AT
11 SECONDS AND SW 9 FT AT 10 SECONDS. A CHANCE OF RAIN IN THE
MORNING.
TUE NIGHT
W WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 7 TO 10 FT, SUBSIDING TO 5 TO 7 FT AFTER
MIDNIGHT.
WED
W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT THROUGH THU NIGHT
SE WINDS 5 TO 10 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.
ANZ237-151800-
BLOCK ISLAND SOUND-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT
4 SECONDS.
SUN
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 3 SECONDS AND S 2 FT AT
8 SECONDS.
SUN NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT, BUILDING TO 3 TO 5 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 2 FT AT 5 SECONDS AND SE 1 FOOT AT 10 SECONDS,
BECOMING SE 5 FT AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS. PATCHY
FOG AFTER MIDNIGHT. RAIN LIKELY AFTER MIDNIGHT WITH VSBY 1 TO
3 NM.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO
8 FT, BUILDING TO 7 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: SE
8 FT AT 7 SECONDS, BECOMING S 10 FT AT 9 SECONDS AND SE 2 FT AT
6 SECONDS. PATCHY FOG IN THE MORNING. AREAS OF DENSE FOG IN THE
AFTERNOON. RAIN WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.
MON NIGHT
S WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT. SEAS
9 TO 13 FT, BUILDING TO 11 TO 15 FT AFTER MIDNIGHT. WAVE DETAIL:
S 13 FT AT 10 SECONDS AND S 6 FT AT 9 SECONDS, BECOMING S 15 FT
AT 11 SECONDS AND SW 4 FT AT 7 SECONDS. RAIN. AREAS OF DENSE FOG
IN THE EVENING.
TUE
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 9 TO
12 FT, SUBSIDING TO 7 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: S
12 FT AT 11 SECONDS AND W 4 FT AT 6 SECONDS, BECOMING S 9 FT AT
11 SECONDS AND W 5 FT AT 5 SECONDS. A CHANCE OF RAIN IN THE
MORNING.
TUE NIGHT
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 6 TO 9 FT, SUBSIDING TO
5 TO 7 FT AFTER MIDNIGHT.
WED
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT.
WED NIGHT THROUGH THU NIGHT
SE WINDS 5 TO 10 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.
ANZ230-151800-
BOSTON HARBOR-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 15 TO 20 KT. WAVES AROUND 2 FT.
SUN
N WINDS 5 TO 10 KT, BECOMING E 10 TO 15 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON.
SUN NIGHT
SE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF
RAIN AFTER MIDNIGHT.
MON
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 2 TO
3 FT. PATCHY FOG. RAIN. VSBY 1 NM OR LESS, INCREASING TO 1 TO
3 NM IN THE AFTERNOON.
MON NIGHT
S WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT. WAVES
AROUND 2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE. RAIN.
PATCHY FOG IN THE EVENING WITH VSBY 1 TO 3 NM.
TUE
W WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES AROUND
2 FT, EXCEPT 3 TO 5 FT AT THE OUTER HARBOR ENTRANCE. A CHANCE OF
RAIN IN THE MORNING.
TUE NIGHT
W WINDS 20 TO 25 KT. WAVES AROUND 2 FT.
WED THROUGH THU NIGHT
S 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.
ANZ236-151800-
NARRAGANSETT BAY-
105 AM EDT SUN MAR 15 2026
...STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
MORNING...
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
SUN
N WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. WAVES
AROUND 2 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 30 KT AFTER MIDNIGHT.
WAVES 2 TO 4 FT. PATCHY FOG AFTER MIDNIGHT. A CHANCE OF RAIN
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
MON
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. WAVES 5 TO
7 FT. PATCHY FOG IN THE MORNING. AREAS OF DENSE FOG IN THE
AFTERNOON. RAIN. A CHANCE OF TSTMS IN THE AFTERNOON. VSBY 1 NM OR
LESS.
MON NIGHT
S WINDS 25 TO 35 KT WITH GUSTS UP TO 50 KT. WAVES
6 TO 9 FT. AT THE BAY ENTRANCE, WAVES 8 TO 11 FT, BUILDING TO
9 TO 13 FT AFTER MIDNIGHT. RAIN. AREAS OF DENSE FOG IN THE
EVENING WITH VSBY 1 NM OR LESS.
TUE
W WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. WAVES 5 TO
7 FT. AT THE BAY ENTRANCE, WAVES 7 TO 10 FT, SUBSIDING TO 6 TO
8 FT IN THE AFTERNOON. A CHANCE OF RAIN IN THE MORNING.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
3 TO 5 FT, SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT. AT THE BAY
ENTRANCE, WAVES 4 TO 6 FT.
WED THROUGH THU NIGHT
S WINDS 5 TO 10 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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