Coastal Waters Forecast
Issued by NWS Boston, MA

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870
FZUS51 KBOX 150504
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
104 AM EDT Sat Mar 15 2025

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

ANZ200-151800-
104 AM EDT Sat Mar 15 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
Weak high pres and dry weather lingers over the waters into
tomorrow. By Sun, a cold front approaches from the W with increasing
S winds approaching gale force Sun night. Heavy rain moves over the
waters Mon morning into Mon night ahead of a cold front. High pres
sits over the waters Tues and Wed. Another low pressure approaches
from the Great Lakes Thurs.

$$

ANZ250-151800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 10 seconds. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 10 seconds and S 2 ft at 4 seconds. Patchy fog. Vsby 1 NM or
less.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: E 4 ft at 11 seconds and S 2 ft at
4 seconds. Patchy fog. Vsby 1 to 3 NM in the evening.
.SUN...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: S 5 ft at 5 seconds and E 3 ft at 10 seconds.
Patchy fog in the morning.
.SUN NIGHT AND MON...SW winds 20 to 25 kt with gusts up to 35 kt.
Seas 5 to 8 ft. Wave Detail: S 7 ft at 6 seconds and E 2 ft at
10 seconds. A chance of rain in the evening, then rain. Vsby 1 to
3 NM.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. Wave Detail: SE 5 ft at 9 seconds and S 4 ft at
6 seconds. Rain likely, mainly in the evening with vsby 1 to
3 NM.
.TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.TUE NIGHT THROUGH WED NIGHT...SE winds 10 to 15 kt with gusts up
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.

$$

ANZ251-151800-
Massachusetts Bay and Ipswich Bay-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: E 4 ft at 11 seconds and S 2 ft at
4 seconds. Patchy fog. Vsby 1 to 3 NM in the evening.
.SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 5 seconds and E 3 ft at 11 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: S 5 ft at 5 seconds and E 2 ft at
10 seconds. Rain. Vsby 1 to 3 NM after midnight.
.MON...S winds 15 to 20 kt with gusts up to 30 kt, becoming SW
10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to
6 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: S
5 ft at 5 seconds and E 1 foot at 10 seconds, becoming S 4 ft at
6 seconds and W 1 foot at 3 seconds. Rain. Vsby 1 to 3 NM.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Rain likely, mainly in the evening with vsby 1 to
3 NM.
.TUE THROUGH WED NIGHT...SE 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.

$$

ANZ231-151800-
Cape Cod Bay-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...S winds around 5 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 10 seconds and NE 1 foot at 4 seconds. Patchy
fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft
at 10 seconds and NE 1 foot at 4 seconds. Patchy dense fog in the
morning, then patchy fog in the afternoon. Vsby 1 NM or less.
.SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Wave Detail: E 2 ft at 11 seconds and
S 1 foot at 2 seconds. Patchy fog. Vsby 1 to 3 NM.
.SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft
at 4 seconds and E 2 ft at 11 seconds. Patchy fog. Vsby 1 to 3 NM
in the morning.
.SUN NIGHT AND MON...SW winds 20 to 25 kt with gusts up to 30 kt.
Seas 4 to 6 ft. Wave Detail: SW 4 ft at 4 seconds and SE 3 ft at
10 seconds. A chance of rain in the evening, then rain. Vsby 1 to
3 NM.
.MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: SE 3 ft at 10 seconds and N 2 ft at
4 seconds. Rain, mainly in the evening with vsby 1 to 3 NM.
.TUE THROUGH WED NIGHT...SE 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.

$$

ANZ254-151800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...SE winds around 5 kt. Seas 3 to 5 ft. Wave
Detail: E 5 ft at 10 seconds and S 1 foot at 7 seconds. Patchy
fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at
10 seconds and S 1 foot at 7 seconds. Patchy dense fog in the
morning, then patchy fog in the afternoon. Vsby 1 NM or less.
.SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 11 seconds and S
3 ft at 4 seconds. Patchy fog. Vsby 1 to 3 NM.
.SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft, building to 4 to
6 ft in the afternoon. Wave Detail: S 4 ft at 5 seconds and E
3 ft at 11 seconds, becoming S 5 ft at 5 seconds and E 3 ft at
10 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas
6 to 9 ft. Wave Detail: S 8 ft at 7 seconds and E 2 ft at
10 seconds. A chance of rain after midnight with vsby 1 to 3 NM.
.MON...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 7 to 10 ft. Wave Detail: S
8 ft at 9 seconds. Rain. Vsby 1 to 3 NM.
.MON NIGHT...W winds 10 to 15 kt, becoming N after midnight.
Gusts up to 20 kt. Seas 6 to 9 ft. Rain. Vsby 1 to 3 NM in the
evening.
.TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
8 ft. A chance of rain.
.TUE NIGHT THROUGH WED NIGHT...SE 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.

$$

ANZ255-151800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...SE winds around 5 kt. Seas 2 to 4 ft. Wave
Detail: E 4 ft at 10 seconds and S 1 foot at 7 seconds. Patchy
fog. Vsby 1 NM or less.
.SAT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft
at 10 seconds and SE 1 foot at 7 seconds. Patchy dense fog in the
morning, then patchy fog in the afternoon. Vsby 1 NM or less.
.SAT NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S
3 ft at 4 seconds and E 3 ft at 10 seconds. Patchy fog. Vsby 1 NM
or less, increasing to 1 to 3 NM after midnight.
.SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft
at 6 seconds and E 3 ft at 11 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.SUN NIGHT...S winds 25 to 30 kt with gusts up to 35 kt. Seas
7 to 10 ft. Wave Detail: S 10 ft at 8 seconds and E 2 ft at
10 seconds. A chance of rain after midnight with vsby 1 to 3 NM.
.MON...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 8 to 11 ft. Wave Detail: S
10 ft at 10 seconds. Rain. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 10 to 15 kt, becoming N after midnight.
Gusts up to 20 kt. Seas 7 to 10 ft. Rain, mainly in the evening
with vsby 1 to 3 NM.
.TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to
9 ft. A chance of rain.
.TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.WED AND WED NIGHT...NE winds around 10 kt, becoming SE. 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-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...SE winds around 5 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 9 seconds and S 1 foot at 7 seconds. Patchy
fog. Vsby 1 NM or less.
.SAT...SE winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 4 ft
at 10 seconds and S 1 foot at 7 seconds. Patchy fog. Vsby 1 NM or
less.
.SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 5 seconds and E
3 ft at 10 seconds. Patchy fog. Vsby 1 NM or less, increasing to
1 to 3 NM after midnight.
.SUN...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, building to 5 to
7 ft in the afternoon. Wave Detail: S 5 ft at 5 seconds and E
3 ft at 11 seconds, becoming S 6 ft at 6 seconds and E 2 ft at
11 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT AND MON...SW winds 25 to 30 kt with gusts up to 35 kt.
Seas 8 to 11 ft. Wave Detail: S 10 ft at 10 seconds. A chance of
rain in the evening, then rain. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 7 to 10 ft. Wave Detail: S 10 ft at 11 seconds.
Rain likely, mainly in the evening with vsby 1 to 3 NM.
.TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to
9 ft.
.TUE NIGHT THROUGH WED NIGHT...SE 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.

$$

ANZ232-151800-
Nantucket Sound-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 10 seconds and S 1 foot at 7 seconds. Patchy
fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
10 seconds and SE 1 foot at 7 seconds. Patchy dense fog in the
morning, then patchy fog in the afternoon. Vsby 1 NM or less.
.SAT NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail:
S 2 ft at 3 seconds and E 2 ft at 11 seconds. Patchy fog. Vsby
1 to 3 NM.
.SUN...S 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 2 ft at 11 seconds.
Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT...S winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Seas 4 to 6 ft. Wave Detail: S 5 ft at 5 seconds and E
1 foot at 11 seconds. Rain likely after midnight with vsby 1 to
3 NM.
.MON...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 5 ft
at 5 seconds and SE 3 ft at 10 seconds. Rain. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 4 to 6 ft. Rain, mainly in the evening with vsby
1 to 3 NM.
.TUE...N winds 10 to 15 kt. Seas 3 to 5 ft. A chance of rain.
.TUE NIGHT THROUGH WED NIGHT...SE 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.

$$

ANZ233-151800-
Vineyard Sound-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 9 seconds and S 1 foot at 7 seconds. Patchy
fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft
at 10 seconds and S 1 foot at 7 seconds. Patchy dense fog in the
morning, then patchy fog in the afternoon. Vsby 1 NM or less,
increasing to 1 to 3 NM in the afternoon.
.SAT NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail:
S 2 ft at 4 seconds and SE 1 foot at 10 seconds. Patchy fog. Vsby
1 to 3 NM.
.SUN...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: S 4 ft
at 5 seconds and E 1 foot at 11 seconds. Patchy fog in the
morning with vsby 1 to 3 NM.
.SUN NIGHT AND MON...SW winds 25 to 30 kt with gusts up to 35 kt.
Seas 5 to 8 ft. Wave Detail: S 7 ft at 7 seconds and SE 7 ft at
10 seconds. A chance of rain in the evening, then rain. Vsby 1 to
3 NM.
.MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: S
5 ft at 11 seconds and N 1 foot at 4 seconds. Rain, mainly in the
evening with vsby 1 to 3 NM.
.TUE...N winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT THROUGH WED NIGHT...SE 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.

$$

ANZ234-151800-
Buzzards Bay-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...S winds around 5 kt. Seas 1 foot or less. Wave
Detail: S 1 foot at 7 seconds and SE 1 foot at 9 seconds. Patchy
fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: S
1 foot at 7 seconds and E 1 foot at 10 seconds. Patchy dense fog
in the morning, then patchy fog in the afternoon. Vsby 1 NM or
less, increasing to 1 to 3 NM in the afternoon.
.SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 1 foot or less, then around 2 ft after midnight.
Wave Detail: S 1 foot at 3 seconds and E 1 foot at 10 seconds,
becoming S 2 ft at 3 seconds and E 1 foot at 10 seconds. Patchy
fog. Vsby 1 to 3 NM.
.SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 5 seconds and E 1 foot at 10 seconds. Patchy fog. Vsby 1 to
3 NM in the morning.
.SUN NIGHT AND MON...SW winds 25 to 30 kt with gusts up to 35 kt.
Seas 5 to 7 ft. Wave Detail: SW 6 ft at 6 seconds and S 5 ft at
10 seconds. A chance of rain in the evening, then rain. Vsby 1 to
3 NM.
.MON NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S
3 ft at 11 seconds and N 1 foot at 4 seconds. Rain, mainly in the
evening with vsby 1 to 3 NM.
.TUE AND TUE NIGHT...NW winds 10 to 15 kt. Seas 2 to 4 ft.
.WED AND WED NIGHT...E winds around 10 kt, becoming SE. 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-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 8 seconds and S 1 foot at 7 seconds. Patchy
fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft
at 8 seconds. Patchy fog. Vsby 1 NM or less.
.SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE
2 ft at 10 seconds. Patchy fog. Vsby 1 to 3 NM.
.SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft
at 6 seconds and SE 1 foot at 11 seconds. Patchy fog. Vsby 1 to
3 NM in the morning.
.SUN NIGHT AND MON...SW winds 25 to 30 kt with gusts up to 35 kt.
Seas 7 to 10 ft. Wave Detail: S 10 ft at 9 seconds. A chance of
rain in the evening, then rain. Vsby 1 to 3 NM.
.MON NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 6 to 8 ft. Wave Detail: S 8 ft at 10 seconds. Rain
likely, mainly in the evening with vsby 1 to 3 NM.
.TUE...N winds 10 to 15 kt. Seas 5 to 7 ft.
.TUE NIGHT THROUGH WED NIGHT...SE 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.

$$

ANZ237-151800-
Block Island Sound-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 9 seconds and S 1 foot at 7 seconds. Patchy
fog. Vsby 1 to 3 NM.
.SAT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft
at 9 seconds and S 1 foot at 7 seconds. Patchy fog. Vsby 1 to
3 NM, decreasing to 1 NM or less in the afternoon.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt with
gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S
3 ft at 5 seconds and SE 3 ft at 10 seconds. Patchy fog. Vsby
1 to 3 NM.
.SUN...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Wave Detail: S 5 ft at 6 seconds and E 2 ft at 10 seconds.
Patchy fog. Vsby 1 to 3 NM in the morning.
.SUN NIGHT...S winds 20 to 25 kt with gusts up to 35 kt. Seas
6 to 9 ft. Wave Detail: S 8 ft at 8 seconds and E 1 foot at
11 seconds. Rain. Vsby 1 to 3 NM after midnight.
.MON...S winds 15 to 20 kt with gusts up to 30 kt, becoming W
10 to 15 kt in the afternoon. Seas 6 to 9 ft. Wave Detail: S 8 ft
at 9 seconds and SE 8 ft at 10 seconds. Rain. Vsby 1 to 3 NM.
.MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. Rain likely,
mainly in the evening.
.TUE...NW winds 10 to 15 kt. Seas 4 to 6 ft.
.TUE NIGHT THROUGH WED NIGHT...SE winds 10 to 15 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.

$$

ANZ230-151800-
Boston Harbor-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...S winds around 5 kt. Waves 1 foot or less.
Patchy fog.
.SAT...S winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft
in the afternoon. Patchy fog in the morning with vsby 1 to 3 NM.
.SAT NIGHT...S winds 10 to 15 kt. Waves around 2 ft. Patchy fog
after midnight.
.SUN...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Waves around 2 ft. Patchy fog in
the morning with vsby 1 to 3 NM.
.SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Waves
around 2 ft. Rain. Vsby 1 to 3 NM after midnight.
.MON AND MON NIGHT...N winds 15 to 20 kt with gusts up to 25 kt.
Waves around 2 ft. Rain. Vsby 1 to 3 NM.
.TUE THROUGH WED NIGHT...SE winds 10 to 15 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-
104 AM EDT Sat Mar 15 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...

.REST OF TONIGHT...S winds around 5 kt. Waves around 2 ft. Patchy
fog. Vsby 1 to 3 NM.
.SAT...S winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Vsby
1 to 3 NM.
.SAT NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts up to 20 kt after midnight. Waves 2 to 3 ft. Patchy fog.
Vsby 1 to 3 NM.
.SUN...S winds 15 to 20 kt with gusts up to 30 kt. Waves 3 to
5 ft. Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Waves
5 to 7 ft. Rain. Vsby 1 to 3 NM after midnight.
.MON...S winds 15 to 20 kt with gusts up to 25 kt, becoming W
around 10 kt in the afternoon. Waves 4 to 6 ft. Rain. Vsby 1 to
3 NM.
.MON NIGHT...N winds 10 to 15 kt. Waves 2 to 3 ft, except 4 to
6 ft at the bay entrance. Rain likely, mainly in the evening.
.TUE THROUGH WED NIGHT...SE winds 5 to 10 kt. Waves 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.

$$

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