Coastal Waters Forecast
Issued by NWS Boston, MA

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103
FZUS51 KBOX 010204
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1003 PM EDT Sun Jun 30 2024

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

ANZ200-011500-
1003 PM EDT Sun Jun 30 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front crosses the waters tonight. This will be followed by a
high pres Tue and Wed. High pres moves farther offshore Thu,
permitting a cold front to approach the waters.

$$

ANZ250-011500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1003 PM EDT Sun Jun 30 2024

.OVERNIGHT...SW winds around 10 kt with gusts up to 20 kt,
becoming W. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and
SW 2 ft at 4 seconds. A chance of showers with isolated tstms,
then a slight chance of showers. Patchy fog. Vsby 1 NM or less.
.MON...N winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and NW 2 ft at
3 seconds.
.MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N
3 ft at 5 seconds.
.TUE...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at
6 seconds.
.TUE NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 7 seconds and N 1 foot at 3 seconds.
.WED AND WED NIGHT...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 SE 2 ft at
8 seconds.
.THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.FRI AND FRI NIGHT...S winds 5 to 10 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.

$$

ANZ251-011500-
Massachusetts Bay and Ipswich Bay-
1003 PM EDT Sun Jun 30 2024

.OVERNIGHT...SW winds around 10 kt, becoming NW. Seas around
2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at
3 seconds. A chance of showers with isolated tstms, then a slight
chance of showers. Vsby 1 to 3 NM.
.MON...N winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at
7 seconds. A chance of showers in the afternoon.
.MON NIGHT...NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
N 2 ft at 5 seconds.
.TUE...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: NE 2 ft at 5 seconds.
.TUE NIGHT...S winds around 5 kt, becoming SW after midnight.
Seas around 2 ft. Wave Detail: E 2 ft at 6 seconds and W 1 foot
at 2 seconds.
.WED...SW winds around 5 kt, becoming S 10 to 15 kt in the
afternoon. Seas 1 foot or less, then around 2 ft in the
afternoon. Wave Detail: W 1 foot at 2 seconds and E 1 foot at
8 seconds, becoming S 2 ft at 3 seconds and E 1 foot at
8 seconds.
.WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers after midnight.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.THU NIGHT...SW winds 10 to 15 kt. Seas around 2 ft.
.FRI AND FRI NIGHT...S winds 5 to 10 kt. Seas around 2 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.

$$

ANZ231-011500-
Cape Cod Bay-
1003 PM EDT Sun Jun 30 2024

.OVERNIGHT...SW winds around 10 kt, becoming W. Seas around 2 ft.
Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. A
chance of showers with isolated tstms, then a slight chance of
showers. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: NW 2 ft at 3 seconds and SE 2 ft at 7 seconds.
.MON NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
2 ft at 5 seconds.
.TUE...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
1 foot at 5 seconds.
.TUE NIGHT...SE winds around 5 kt, becoming W around 5 kt after
midnight. Seas 1 foot or less. Wave Detail: N 1 foot at
5 seconds.
.WED AND WED NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: NW 1 foot at 3 seconds and NE 1 foot at 6 seconds.
.THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.FRI AND FRI NIGHT...S winds 5 to 10 kt. Seas around 2 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.

$$

ANZ254-011500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1003 PM EDT Sun Jun 30 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY...

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: S 3 ft at 6 seconds. Patchy fog. Showers
likely with a chance of tstms, then a chance of showers with a
slight chance of tstms. Vsby 1 NM or less.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 7 seconds and NW 2 ft at 3 seconds.
.MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 7 seconds and N 2 ft at 4 seconds.
.TUE...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at
6 seconds and W 1 foot at 4 seconds.
.TUE NIGHT...NW winds around 5 kt. Seas 2 to 3 ft. Wave Detail:
SE 3 ft at 6 seconds and NW 1 foot at 4 seconds.
.WED AND 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 3 seconds and SE 2 ft at
7 seconds.
.THU AND THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.FRI AND FRI NIGHT...SW winds around 10 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.

$$

ANZ255-011500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1003 PM EDT Sun Jun 30 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY...

.OVERNIGHT...SW winds 10 to 15 kt, becoming W. Gusts up to 20 kt.
Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds. Patchy fog.
Showers likely with a chance of tstms. A chance of showers with a
slight chance of tstms. Vsby 1 NM or less.
.MON...N winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds.
.MON NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: W
4 ft at 6 seconds and NE 4 ft at 7 seconds.
.TUE...N winds 10 to 15 kt, becoming NE 5 to 10 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 7 seconds and
SW 2 ft at 5 seconds.
.TUE NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: E 2 ft at 7 seconds and NW 1 foot at
3 seconds.
.WED AND WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds.
.THU...SW winds 15 to 20 kt. Seas 2 to 4 ft.
.THU NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up
to 20 kt. Seas 3 to 4 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.

$$

ANZ256-011500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1003 PM EDT Sun Jun 30 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY...

.OVERNIGHT...SW winds 10 to 15 kt, becoming NW. Gusts up to
20 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds. Showers
likely with a chance of tstms, then a chance of showers with a
slight chance of tstms. Patchy fog. Vsby 1 to 3 NM.
.MON...N winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft
at 7 seconds.
.MON NIGHT...N winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: NE
4 ft at 7 seconds and NW 1 foot at 4 seconds.
.TUE...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SW 2 ft at
6 seconds.
.TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at
3 seconds.
.WED AND WED NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft.
.THU NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up
to 20 kt. Seas 3 to 4 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.

$$

ANZ232-011500-
Nantucket Sound-
1003 PM EDT Sun Jun 30 2024

.OVERNIGHT...W 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 1 foot at
8 seconds. A chance of showers with a slight chance of tstms.
Patchy fog. Vsby 1 to 3 NM.
.MON...N winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and
NE 2 ft at 7 seconds.
.MON NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 5 seconds and W 1 foot at 6 seconds.
.TUE...N winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas around 2 ft. Wave Detail: NE 1 foot at 5 seconds
and NW 1 foot at 5 seconds.
.TUE NIGHT...N winds 5 to 10 kt, becoming W after midnight. Seas
1 foot or less. Wave Detail: NE 1 foot at 5 seconds and W 1 foot
at 5 seconds.
.WED AND 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 SE 1 foot
at 7 seconds.
.THU AND THU NIGHT...SW winds 15 to 20 kt, diminishing to 10 to
15 kt. Gusts up to 25 kt. Seas 2 to 3 ft.
.FRI AND FRI NIGHT...SW winds around 10 kt. Seas around 2 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.

$$

ANZ233-011500-
Vineyard Sound-
1003 PM EDT Sun Jun 30 2024

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

$$

ANZ234-011500-
Buzzards Bay-
1003 PM EDT Sun Jun 30 2024

.OVERNIGHT...SW winds around 10 kt with gusts up to 20 kt,
becoming W. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. A
chance of showers. A slight chance of tstms. Patchy fog. Vsby
1 NM or less, increasing to 1 to 3 NM.
.MON...N winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: NW 2 ft at 5 seconds and S 2 ft at 7 seconds.
A chance of showers in the afternoon.
.MON NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas around 2 ft. Wave Detail: NE 1 foot at 4 seconds
and W 1 foot at 6 seconds.
.TUE...NE winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: NE
1 foot at 4 seconds and W 1 foot at 6 seconds.
.TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas
1 foot or less. Wave Detail: E 1 foot at 3 seconds and SW 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: SW 2 ft at 4 seconds and SE 1 foot
at 7 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.THU NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up
to 20 kt. Seas around 2 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.

$$

ANZ235-011500-
Rhode Island Sound-
1003 PM EDT Sun Jun 30 2024

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

$$

ANZ237-011500-
Block Island Sound-
1003 PM EDT Sun Jun 30 2024

.OVERNIGHT...W winds around 10 kt with gusts up to 20 kt,
becoming NW. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and
SW 2 ft at 4 seconds. A chance of showers. A slight chance of
tstms. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM.
.MON...N winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 7 seconds and NW 1 foot at 4 seconds. A chance of showers in
the afternoon.
.MON NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 7 seconds and SW 1 foot at 6 seconds.
.TUE...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: NE 2 ft at 7 seconds and SW 1 foot at
6 seconds.
.TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas
around 2 ft in the evening, then 1 foot or less. Wave Detail: S
2 ft at 7 seconds, becoming S 1 foot at 6 seconds.
.WED AND WED NIGHT...SW winds 10 to 15 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 3 seconds and SE 2 ft at 8 seconds.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU NIGHT THROUGH FRI NIGHT...S 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.

$$

ANZ230-011500-
Boston Harbor-
1003 PM EDT Sun Jun 30 2024

.OVERNIGHT...W winds around 10 kt. Waves 1 foot or less. A chance
of showers.
.MON...N winds around 10 kt. Waves 1 foot or less. A chance of
showers in the afternoon.
.MON NIGHT...NW winds 5 to 10 kt. Waves 1 foot or less.
.TUE...N winds 5 to 10 kt, becoming NE in the afternoon. Waves
1 foot or less.
.TUE NIGHT...S winds around 5 kt, becoming SW after midnight.
Waves 1 foot or less.
.WED...SW winds around 5 kt, becoming S 10 to 15 kt in the
afternoon. Waves 1 foot or less.
.WED NIGHT...S winds 10 to 15 kt. Waves around 2 ft. A chance of
showers after midnight.
.THU...SW winds 10 to 15 kt. Waves around 2 ft. A chance of
showers.
.THU NIGHT...SW winds 10 to 15 kt. Waves 1 foot or less.
.FRI AND FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. 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.

$$

ANZ236-011500-
Narragansett Bay-
1003 PM EDT Sun Jun 30 2024

.OVERNIGHT...W winds 5 to 10 kt, becoming NW. Waves 2 to 4 ft. A
chance of showers with isolated tstms, then a slight chance of
showers. Patchy fog. Vsby 1 to 3 NM.
.MON...N winds around 10 kt. Waves 2 to 3 ft. A chance of showers
in the afternoon.
.MON NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft.
.TUE...N winds 5 to 10 kt, becoming E in the afternoon. Waves
around 2 ft.
.TUE NIGHT...S winds around 5 kt, becoming W after midnight.
Waves 1 foot or less.
.WED AND WED NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.THU NIGHT THROUGH FRI NIGHT...S winds 10 to 15 kt with gusts up
to 20 kt. Waves 2 to 3 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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