318
FZUS51 KBOX 042004
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
403 PM EDT Fri Apr 4 2025

Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM

ANZ200-050900-
403 PM EDT Fri Apr 4 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
A front south of New England lifts N into the south coastal waters
late Saturday into Sun. The front will begin as a warm front,
followed by a cold front Sun afternoon and evening. The cold front
stalls south of New Eng Sun night into Mon with a low pres tracking
along the front. Another cold front from the west will cross the
waters Tue followed by near gale force W-NW winds.

$$

ANZ250-050900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
403 PM EDT Fri Apr 4 2025

.TONIGHT...N winds around 10 kt, becoming NE after midnight.
Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds and NW 2 ft at 3 seconds.
.SAT...E winds 10 to 15 kt, becoming SE with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 4 seconds
and SE 1 foot at 13 seconds. Rain likely in the afternoon.
.SAT NIGHT...SE winds 20 to 25 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
12 seconds. Rain. Vsby 1 to 3 NM after midnight.
.SUN...W winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 3 to 5 ft. Wave Detail: SE 4 ft at 6 seconds and SW 2 ft at
3 seconds. Showers likely.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: NE 4 ft at 6 seconds and NW 2 ft at
3 seconds. A chance of showers in the evening, then showers
likely through the day. A chance of showers in the afternoon.
.MON NIGHT...NE winds around 10 kt. Seas 3 to 4 ft. Wave Detail:
E 4 ft at 6 seconds and E 2 ft at 11 seconds. A chance of showers
in the evening.
.TUE...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of showers.
.TUE NIGHT...W winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. A chance of showers.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.WED 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.

$$

ANZ251-050900-
Massachusetts Bay and Ipswich Bay-
403 PM EDT Fri Apr 4 2025

.TONIGHT...N winds around 10 kt with gusts up to 20 kt, becoming
NE after midnight. Seas around 2 ft. Wave Detail: NW 1 foot at
3 seconds and E 1 foot at 8 seconds.
.SAT...E winds 10 to 15 kt, becoming SE with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 4 seconds
and NW 1 foot at 3 seconds. Rain likely in the afternoon.
.SAT NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and SE 1 foot at
12 seconds. Rain. Vsby 1 to 3 NM after midnight.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
6 seconds and SW 1 foot at 3 seconds. Showers likely.
.SUN NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at
7 seconds. A chance of showers in the evening, then showers
likely after midnight.
.MON...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: NE 3 ft
at 4 seconds and E 1 foot at 11 seconds. Showers likely, mainly
in the morning.
.MON NIGHT...NE winds around 10 kt, becoming N after midnight.
Seas 3 to 4 ft. A chance of showers in the evening.
.TUE...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of showers.
.TUE NIGHT...W winds 20 to 25 kt. Seas 3 to 4 ft. A chance of
rain and snow showers.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED 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.

$$

ANZ231-050900-
Cape Cod Bay-
403 PM EDT Fri Apr 4 2025

.TONIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: SE 2 ft at 8 seconds and NW 1 foot at
3 seconds.
.SAT...E winds around 10 kt, becoming SE with gusts up to 20 kt
in the afternoon. Seas around 2 ft. Wave Detail: E 2 ft at
3 seconds and N 1 foot at 4 seconds. A chance of rain in the
afternoon.
.SAT NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and N 1 foot at
4 seconds. Rain. Vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and SE 1 foot at 12 seconds. Showers likely.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and NW 1 foot
at 3 seconds. Showers.
.MON NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and E 1 foot at
11 seconds. A chance of showers in the evening.
.TUE...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of showers.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED NIGHT...SW 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.

$$

ANZ254-050900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
403 PM EDT Fri Apr 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY EVENING THROUGH
MONDAY MORNING...

.TONIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 8 seconds and N 2 ft at 3 seconds.
.SAT...E winds 10 to 15 kt, becoming SE in the afternoon. Gusts
up to 20 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and
SE 1 foot at 12 seconds. A chance of rain in the afternoon.
.SAT NIGHT...SE winds 15 to 20 kt, becoming S 20 to 25 kt after
midnight. Seas 4 to 6 ft. Wave Detail: SE 4 ft at 5 seconds and
SE 1 foot at 12 seconds. Rain. Vsby 1 to 3 NM, decreasing to 1 NM
or less after midnight.
.SUN...SW winds 15 to 20 kt, becoming W 10 to 15 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds and W
2 ft at 4 seconds. A chance of rain in the morning, then a chance
of showers in the afternoon. Vsby 1 NM or less in the morning.
.SUN NIGHT...NW winds 5 to 10 kt, becoming NE after midnight.
Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and E 2 ft at
11 seconds. A chance of showers in the evening, then showers
after midnight.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: NE 4 ft at 7 seconds and E 2 ft at 10 seconds.
Showers.
.MON NIGHT...NE winds around 10 kt. Seas 4 to 6 ft. A chance of
showers.
.TUE AND TUE NIGHT...W winds 15 to 20 kt, increasing to 20 to
25 kt. Seas 5 to 8 ft.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.WED 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.

$$

ANZ255-050900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
403 PM EDT Fri Apr 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY EVENING THROUGH
MONDAY MORNING...

.TONIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts
up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: S 4 ft
at 7 seconds and SE 1 foot at 13 seconds.
.SAT...E winds 10 to 15 kt, becoming SE 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and
SE 1 foot at 12 seconds. A chance of rain in the afternoon.
.SAT NIGHT...SE 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 SE 1 foot at
12 seconds. Rain. Vsby 1 to 3 NM, decreasing to 1 NM or less
after midnight.
.SUN...SW winds 10 to 15 kt, becoming W 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds and
SW 1 foot at 4 seconds. A chance of rain in the morning, then a
chance of showers in the afternoon. Vsby 1 NM or less in the
morning.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds and W 1 foot at
3 seconds. A chance of showers in the evening, then showers.
.MON NIGHT...NE winds 10 to 15 kt, becoming N after midnight.
Seas 4 to 6 ft. Wave Detail: SE 6 ft at 9 seconds and E 2 ft at
12 seconds. A chance of showers.
.TUE AND TUE NIGHT...W winds 15 to 20 kt, increasing to 20 to
25 kt. Seas 5 to 8 ft.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.WED 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.

$$

ANZ256-050900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
403 PM EDT Fri Apr 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY EVENING THROUGH
MONDAY MORNING...

.TONIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: S
5 ft at 7 seconds and SE 1 foot at 13 seconds.
.SAT...E winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SE 4 ft at 7 seconds and SE 1 foot at
13 seconds. Rain likely in the afternoon.
.SAT NIGHT...SE winds 15 to 20 kt, becoming S after midnight.
Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at
6 seconds and SE 1 foot at 12 seconds. Rain in the evening. A
chance of rain after midnight. Vsby 1 to 3 NM, decreasing to 1 NM
or less after midnight.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: S 6 ft at 7 seconds and SE 1 foot at
12 seconds. A chance of showers.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds and W 1 foot at
3 seconds. Showers.
.MON NIGHT...NE winds around 10 kt, becoming N after midnight.
Seas 5 to 6 ft. Wave Detail: SE 6 ft at 9 seconds and E 1 foot at
12 seconds. A chance of showers.
.TUE AND TUE NIGHT...W winds 15 to 20 kt, becoming NW 20 to
25 kt. Gusts up to 30 kt. Seas 5 to 7 ft.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.WED 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.

$$

ANZ232-050900-
Nantucket Sound-
403 PM EDT Fri Apr 4 2025

.TONIGHT...N winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts
up to 20 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft
at 8 seconds and NW 1 foot at 3 seconds.
.SAT...E winds 10 to 15 kt, becoming SE in the afternoon. Gusts
up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds
and NW 1 foot at 4 seconds. A chance of rain in the afternoon.
.SAT NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 1 foot at
12 seconds. Rain. Vsby 1 to 3 NM, decreasing to 1 NM or less
after midnight.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 2 ft at 5 seconds and SE 1 foot at
12 seconds. A chance of rain in the morning, then a chance of
showers in the afternoon. Vsby 1 to 3 NM in the morning.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at
7 seconds. A chance of showers in the evening, then showers.
.MON NIGHT...NE winds around 10 kt, becoming N after midnight.
Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and E 1 foot at
12 seconds. A chance of showers.
.TUE...W winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers.
.TUE NIGHT AND WED...W winds 20 to 25 kt, diminishing to 15 to
20 kt. Seas 2 to 4 ft.
.WED 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.

$$

ANZ233-050900-
Vineyard Sound-
403 PM EDT Fri Apr 4 2025

.TONIGHT...N winds 5 to 10 kt, becoming NE with gusts up to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds
and NW 1 foot at 4 seconds.
.SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: E 2 ft at 4 seconds and SE 1 foot at
13 seconds. A chance of rain in the afternoon.
.SAT NIGHT...SE winds around 15 kt, becoming S after midnight.
Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and SE 1 foot at 12 seconds. Rain. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at
12 seconds. A chance of rain in the morning, then showers likely
in the afternoon. Vsby 1 to 3 NM in the morning.
.SUN NIGHT AND MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: S 3 ft at 8 seconds and W 1 foot at 4 seconds. Showers.
.MON NIGHT...NE winds around 10 kt, becoming N after midnight.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and NW 1 foot at
2 seconds. A chance of showers.
.TUE...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.TUE NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft. A chance of
showers.
.WED...W winds 15 to 20 kt. Seas 2 to 4 ft.
.WED 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.

$$

ANZ234-050900-
Buzzards Bay-
403 PM EDT Fri Apr 4 2025

.TONIGHT...N winds 5 to 10 kt, becoming NE with gusts up to 20 kt
after midnight. Seas around 2 ft. Wave Detail: S 2 ft at
7 seconds and NW 1 foot at 5 seconds.
.SAT...E winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds and SW 1 foot
at 5 seconds. A chance of rain in the afternoon.
.SAT NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and SE 1 foot at
12 seconds. Rain. Vsby 1 to 3 NM, decreasing to 1 NM or less
after midnight.
.SUN...SW winds 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and
SW 2 ft at 4 seconds. A chance of rain in the morning, then
showers likely in the afternoon. Vsby 1 to 3 NM in the morning.
.SUN NIGHT AND MON...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: S 3 ft at 7 seconds and W 2 ft at 4 seconds. Showers.
.MON NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: NE 2 ft at 6 seconds and NW 1 foot at
2 seconds. A chance of showers in the evening.
.TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. A chance of showers.
.WED AND WED NIGHT...W winds 15 to 20 kt, becoming SW 10 to
15 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.

$$

ANZ235-050900-
Rhode Island Sound-
403 PM EDT Fri Apr 4 2025

.TONIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S
4 ft at 7 seconds and SE 1 foot at 13 seconds.
.SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at
13 seconds. A chance of rain in the afternoon.
.SAT NIGHT...SE winds 15 to 20 kt, becoming S after midnight.
Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SE 4 ft at
6 seconds and SW 1 foot at 3 seconds. Rain. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: S 4 ft at 7 seconds and SW 1 foot at
4 seconds. A chance of rain in the morning, then showers likely
in the afternoon. Vsby 1 to 3 NM in the morning.
.SUN NIGHT AND MON...NE winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and W 1 foot at
3 seconds. Showers.
.MON NIGHT...NE winds around 10 kt, becoming N after midnight.
Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and E 1 foot at
13 seconds. A chance of showers.
.TUE...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of showers.
.TUE NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. A chance of
showers.
.WED...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.WED NIGHT...SW winds 10 to 15 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.

$$

ANZ237-050900-
Block Island Sound-
403 PM EDT Fri Apr 4 2025

.TONIGHT...NW winds 5 to 10 kt, becoming NE 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 7 seconds and W 1 foot at 3 seconds.
.SAT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at
13 seconds. Rain likely in the afternoon.
.SAT NIGHT...SE winds around 15 kt, becoming S after midnight.
Gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at
6 seconds and SE 1 foot at 12 seconds. Rain in the evening. A
chance of rain after midnight. Vsby 1 to 3 NM, decreasing to 1 NM
or less after midnight.
.SUN...W winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft
at 7 seconds and SW 1 foot at 3 seconds. A chance of showers in
the morning, then showers likely in the afternoon.
.SUN NIGHT AND MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. Wave
Detail: S 5 ft at 8 seconds and W 1 foot at 3 seconds. Showers.
.MON NIGHT...NE winds 5 to 10 kt, becoming N after midnight. Seas
3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds and E 1 foot at
13 seconds. A chance of showers in the evening.
.TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. A chance of showers.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.WED 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.

$$

ANZ230-050900-
Boston Harbor-
403 PM EDT Fri Apr 4 2025

.TONIGHT...NW winds 5 to 10 kt with gusts up to 20 kt, becoming
NE after midnight. Waves around 2 ft this evening, then 1 foot or
less.
.SAT...E winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft. Rain likely in the afternoon.
.SAT NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt,
becoming S 5 to 10 kt after midnight. Waves 2 to 3 ft. Rain,
mainly in the evening. Vsby 1 to 3 NM after midnight.
.SUN...W winds 5 to 10 kt. Waves around 2 ft in the morning, then
1 foot or less. Showers likely, mainly in the morning.
.SUN NIGHT...NW winds 5 to 10 kt, becoming N after midnight.
Waves 1 foot or less. A chance of showers in the evening, then
showers after midnight.
.MON...NE winds 10 to 15 kt. Waves 2 to 3 ft. Showers likely,
mainly in the morning.
.MON NIGHT...NE winds 5 to 10 kt, becoming NW after midnight.
Waves 1 foot or less.
.TUE...W winds 15 to 20 kt with gusts up to 25 kt. Waves around
2 ft. A chance of showers.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves
around 2 ft. A chance of showers.
.WED AND WED NIGHT...W winds 15 to 20 kt, becoming SW 5 to 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.

$$

ANZ236-050900-
Narragansett Bay-
403 PM EDT Fri Apr 4 2025

.TONIGHT...N winds 5 to 10 kt, becoming NE with gusts up to 20 kt
after midnight. Waves 2 to 3 ft.
.SAT...E winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 2 to 3 ft. A chance of rain in the afternoon.
.SAT NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt,
becoming S 5 to 10 kt after midnight. Waves 2 to 4 ft. Rain. Vsby
1 to 3 NM.
.SUN...W winds 5 to 10 kt. Waves 2 to 4 ft. A chance of rain in
the morning, then showers likely in the afternoon. Vsby 1 to 3 NM
in the morning.
.SUN NIGHT AND MON...NE winds 5 to 10 kt. Waves 2 to 3 ft.
Showers.
.MON NIGHT...NE winds 5 to 10 kt, becoming NW after midnight.
Waves 2 to 3 ft. A chance of showers in the evening.
.TUE AND TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 4 ft. A chance of showers.
.WED AND WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
becoming SW 5 to 10 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.

$$

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