992
FZUS51 KBOX 140507
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
107 AM EDT Mon Jul 14 2025

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

ANZ200-141800-
107 AM EDT Mon Jul 14 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
Cold front moves through Mon. Generally unsettled through the week
with periods of isolated showers.

$$

ANZ250-141800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 6 seconds and SE 1 foot at 9 seconds. Patchy
fog. Vsby 1 to 3 NM.
.MON...S 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: SE
2 ft at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at
8 seconds. Patchy fog after midnight.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 4 seconds and SE 2 ft at 7 seconds.
.TUE NIGHT THROUGH WED NIGHT...SW 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
SW 1 foot at 3 seconds.
.THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at
7 seconds.
.FRI AND FRI NIGHT...SW winds 10 to 15 kt, becoming W. Gusts up
to 20 kt. Seas 2 to 3 ft. A chance of showers.

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.

$$

ANZ251-141800-
Massachusetts Bay and Ipswich Bay-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 5 seconds and E 1 foot at 10 seconds. Patchy
fog. Vsby 1 to 3 NM.
.MON...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft
at 5 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning
with vsby 1 to 3 NM.
.MON NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and
SE 2 ft at 8 seconds.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 2 seconds and S 1 foot at 4 seconds.
.TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
S 1 foot at 3 seconds and E 1 foot at 6 seconds.
.WED AND WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and SW 1 foot
at 2 seconds.
.THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.FRI AND FRI NIGHT...SW winds around 10 kt, becoming NW. Seas
around 2 ft. A chance of showers.

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.

$$

ANZ231-141800-
Cape Cod Bay-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Seas 1 foot or less.
Wave Detail: SE 1 foot at 4 seconds and SE 1 foot at 9 seconds.
Patchy fog. Vsby 1 to 3 NM.
.MON...SE winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: SE 1 foot at 4 seconds and SE
1 foot at 9 seconds, becoming SE 1 foot at 3 seconds and E 1 foot
at 6 seconds. Patchy fog in the morning.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SW 1 foot at 2 seconds
and S 1 foot at 3 seconds, becoming SW 1 foot at 2 seconds and SE
1 foot at 5 seconds. Patchy fog after midnight.
.TUE...SW winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: SW 1 foot at 2 seconds and SE
1 foot at 5 seconds, becoming SW 1 foot at 2 seconds and S 1 foot
at 4 seconds.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds
and E 1 foot at 7 seconds.
.THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at
7 seconds.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.

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.

$$

ANZ254-141800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Wave
Detail: SE 2 ft at 8 seconds. Patchy fog. Vsby 1 NM or less.
.MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 6 seconds and SE 1 foot at 9 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 7 seconds and SW 1 foot at 2 seconds. Patchy fog after
midnight.
.TUE...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 6 seconds and SE 2 ft at 9 seconds.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and
SE 2 ft at 8 seconds.
.THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds and W 1 foot at
3 seconds.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ255-141800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...E winds around 5 kt. Seas 2 to 3 ft. Wave
Detail: SE 2 ft at 6 seconds and SE 1 foot at 9 seconds. Patchy
fog. Vsby 1 NM or less.
.MON...E winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: SE 2 ft at 8 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 6 seconds and SW 1 foot at 2 seconds. Patchy fog after
midnight.
.TUE...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 3 seconds and SE 2 ft at 7 seconds.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE
1 foot at 9 seconds.
.THU THROUGH FRI...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: SW 4 ft at 7 seconds and W 1 foot at 4 seconds.
.FRI NIGHT...W winds around 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of showers.

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.

$$

ANZ256-141800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 6 seconds and SE 1 foot at 9 seconds. Patchy
fog. Vsby 1 NM or less.
.MON...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 8 seconds. Patchy fog in the morning with vsby 1 NM or less.
.MON NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
SE 2 ft at 6 seconds and SW 1 foot at 3 seconds. Patchy fog after
midnight.
.TUE...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 6 seconds and SW 1 foot at 3 seconds. Patchy fog in the
morning.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and
SW 2 ft at 3 seconds.
.THU THROUGH FRI...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: S 4 ft at 7 seconds and W 1 foot at 3 seconds.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. A chance of showers.

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.

$$

ANZ232-141800-
Nantucket Sound-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave
Detail: SE 1 foot at 6 seconds and SE 1 foot at 9 seconds. Patchy
fog. Vsby 1 NM or less.
.MON...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
1 foot at 6 seconds and SE 1 foot at 9 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.MON NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave
Detail: SW 1 foot at 2 seconds and SE 1 foot at 5 seconds. Patchy
fog after midnight.
.TUE...SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 3 seconds and SE 1 foot at 6 seconds.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and
S 2 ft at 4 seconds.
.THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at
7 seconds.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ233-141800-
Vineyard Sound-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave
Detail: SE 1 foot at 6 seconds and SE 1 foot at 9 seconds. Patchy
fog. Vsby 1 to 3 NM.
.MON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 2 seconds and SE 1 foot at 6 seconds. Patchy fog in the
morning with vsby 1 to 3 NM.
.MON NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave
Detail: SW 1 foot at 3 seconds and SE 1 foot at 6 seconds. Patchy
fog after midnight.
.TUE...SW winds around 10 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 3 seconds and SE 1 foot at 6 seconds.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt. Seas around
2 ft. Wave Detail: S 2 ft at 6 seconds and SW 1 foot at
3 seconds.
.THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at
6 seconds.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ234-141800-
Buzzards Bay-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Seas 1 foot or less.
Wave Detail: SE 1 foot at 5 seconds and SE 1 foot at 9 seconds.
Patchy fog. Vsby 1 to 3 NM.
.MON...SE winds 5 to 10 kt, becoming S in the afternoon. Seas
1 foot or less, then around 2 ft in the afternoon. Wave Detail:
SE 1 foot at 6 seconds and SE 1 foot at 9 seconds, becoming SW
1 foot at 2 seconds and SE 1 foot at 5 seconds. Patchy fog in the
morning with vsby 1 to 3 NM.
.MON NIGHT...SW winds around 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: S 1 foot at 4 seconds
and SE 1 foot at 9 seconds, becoming SW 1 foot at 3 seconds and
SE 1 foot at 6 seconds. Patchy fog after midnight.
.TUE...SW winds 10 to 15 kt. Seas 1 foot or less, then around
2 ft in the afternoon. Wave Detail: SW 1 foot at 3 seconds and SE
1 foot at 6 seconds, becoming SW 1 foot at 3 seconds and S 1 foot
at 6 seconds.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and
SW 1 foot at 3 seconds.
.THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and SW 2 ft at
4 seconds.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ235-141800-
Rhode Island Sound-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 8 seconds and SE 1 foot at 5 seconds. Patchy
fog. Vsby 1 NM or less.
.MON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft
at 8 seconds. Patchy fog in the morning with vsby 1 NM or less.
.MON NIGHT...SW winds around 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 6 seconds and SW 1 foot at 2 seconds. Patchy
fog after midnight.
.TUE...SW winds around 10 kt. Seas around 2 ft. Wave Detail: S
2 ft at 4 seconds and SE 1 foot at 9 seconds.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at
3 seconds.
.THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and W 1 foot at
3 seconds.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ237-141800-
Block Island Sound-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 8 seconds and E 1 foot at 5 seconds. Patchy
fog. Vsby 1 NM or less.
.MON...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft
at 6 seconds and SE 1 foot at 9 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 6 seconds and SW 1 foot at 2 seconds. A chance of
showers. A chance of tstms after midnight. Patchy fog after
midnight.
.TUE...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 6 seconds and SW 1 foot at 2 seconds. Patchy fog in the
morning. A chance of showers and tstms in the morning.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt. Seas 2 to
3 ft. Wave Detail: SE 2 ft at 6 seconds and SW 1 foot at
3 seconds.
.THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and W 1 foot at
3 seconds.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.

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.

$$

ANZ230-141800-
Boston Harbor-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 foot or less.
Patchy fog.
.MON...SE winds 5 to 10 kt. Waves 1 foot or less, then around
2 ft in the afternoon. Patchy fog in the morning.
.MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less. A chance of showers and tstms in
the evening. Some tstms may produce heavy rainfall in the
evening.
.TUE...SW winds 5 to 10 kt. Waves 1 foot or less.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED AND WED NIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers and tstms.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.FRI AND FRI NIGHT...SW winds around 10 kt, becoming W. Waves
around 2 ft. A chance of showers and tstms.

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.

$$

ANZ236-141800-
Narragansett Bay-
107 AM EDT Mon Jul 14 2025

.REST OF TONIGHT...S winds around 5 kt. Waves around 2 ft. Patchy
fog. Vsby 1 NM or less.
.MON...S winds around 5 kt, increasing to around 10 kt in the
afternoon. Waves 1 foot or less, then around 2 ft in the
afternoon. Patchy fog in the morning with vsby 1 NM or less.
.MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. A chance of
showers. A chance of tstms after midnight. Patchy fog after
midnight.
.TUE...SW winds 5 to 10 kt. Waves around 2 ft. A chance of
showers and tstms in the morning.
.TUE NIGHT THROUGH WED NIGHT...SW winds 10 to 15 kt. Waves around
2 ft.
.THU THROUGH FRI...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers.

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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