252
FZUS51 KBOX 042005
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
405 PM EDT Thu Jul 4 2024

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

ANZ200-050900-
405 PM EDT Thu Jul 4 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure off the east coast will remain in place all
weekend and through the middle of next week resulting in continued
southwest winds across the waters.

$$

ANZ250-050900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
405 PM EDT Thu Jul 4 2024

.TONIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds. A
slight chance of showers this evening, then a chance of showers
with a slight chance of tstms after midnight with vsby 1 to 3 NM.
.FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at
8 seconds. A chance of showers. Patchy fog in the morning with
vsby 1 to 3 NM.
.FRI NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at
8 seconds. Patchy fog. Vsby 1 to 3 NM.
.SAT...S winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. A
chance of showers. Patchy fog in the morning with vsby 1 to 3 NM.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at
8 seconds. A chance of showers.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to
20 kt. Seas 2 to 3 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.

$$

ANZ251-050900-
Massachusetts Bay and Ipswich Bay-
405 PM EDT Thu Jul 4 2024

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and E 2 ft at 8 seconds. A slight chance of showers
this evening, then a chance of showers with a slight chance of
tstms after midnight with vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and
E 2 ft at 8 seconds. A chance of showers. Patchy fog in the
morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and E 2 ft at 8 seconds. Patchy fog. A chance
of showers. Vsby 1 to 3 NM.
.SAT...S 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 E 2 ft at 8 seconds. A
chance of showers. Patchy fog in the morning with vsby 1 to 3 NM.
.SAT NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E
2 ft at 8 seconds. A chance of showers.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 8 seconds and S 1 foot at 4 seconds.
.MON THROUGH TUE...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.TUE 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.

$$

ANZ231-050900-
Cape Cod Bay-
405 PM EDT Thu Jul 4 2024

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at
8 seconds. A slight chance of showers this evening, then a chance
of showers with a slight chance of tstms after midnight.
.FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at
8 seconds. A chance of showers.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at
8 seconds. Patchy fog. Vsby 1 to 3 NM.
.SAT...S winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A
chance of showers in the morning.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at
8 seconds. A chance of showers.
.SUN...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 5 seconds and SW 1 foot at 2 seconds. A chance of showers in
the morning.
.SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to
20 kt. Seas 1 foot or less.

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.

$$

ANZ254-050900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
405 PM EDT Thu Jul 4 2024

.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
around 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 2 ft at
4 seconds. A slight chance of showers this evening, then a chance
of showers with a slight chance of tstms after midnight.
.FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas around 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 3 ft at
8 seconds. A chance of showers.
.FRI NIGHT...S winds around 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at
8 seconds. Patchy fog. Vsby 1 to 3 NM.
.SAT...S winds around 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 4 seconds and E 2 ft at 8 seconds.
.SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and E 2 ft at
8 seconds. A chance of showers.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 7 seconds and SE 2 ft at 8 seconds. A chance of showers in the
morning.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON THROUGH TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 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.

$$

ANZ255-050900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
405 PM EDT Thu Jul 4 2024

.TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 2 ft at
5 seconds. A slight chance of showers this evening, then a chance
of showers with a slight chance of tstms after midnight.
.FRI...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 3 ft at
8 seconds. Patchy fog in the morning. A chance of showers in the
morning.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and SW 2 ft at
4 seconds. Patchy fog. Vsby 1 to 3 NM in the evening.
.SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 7 seconds and E 2 ft at 9 seconds.
.SAT NIGHT AND SUN...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SE 2 ft at
9 seconds. A chance of showers.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SW
4 ft at 7 seconds and SE 2 ft at 8 seconds.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 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.

$$

ANZ256-050900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
405 PM EDT Thu Jul 4 2024

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas around 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at
9 seconds. A slight chance of showers this evening, then a chance
of showers with a slight chance of tstms after midnight.
.FRI...S winds 10 to 15 kt. Seas around 3 ft. Wave Detail: SW
3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers.
Patchy fog in the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E 2 ft at
8 seconds. Patchy fog. Vsby 1 to 3 NM in the evening.
.SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
5 ft. Wave Detail: S 5 ft at 7 seconds and E 2 ft at 9 seconds. A
chance of showers. Patchy fog in the morning with vsby 1 to 3 NM.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 6 ft. Wave Detail: S 5 ft at 8 seconds and SE 2 ft at
9 seconds. A chance of showers.
.SUN...SW winds around 10 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft
at 7 seconds and SE 2 ft at 8 seconds. A chance of showers in the
morning.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft.
.MON THROUGH TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 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.

$$

ANZ232-050900-
Nantucket Sound-
405 PM EDT Thu Jul 4 2024

.TONIGHT...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 E 1 foot at
9 seconds. A slight chance of showers this evening, then a chance
of showers with a slight chance of tstms after midnight.
.FRI...S winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at 8 seconds.
A chance of showers.
.FRI NIGHT...S winds around 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 1 foot at
8 seconds. Patchy fog. Vsby 1 to 3 NM.
.SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at
8 seconds.
.SAT NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at
8 seconds. A chance of showers.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 3 seconds and S 2 ft at 8 seconds. A chance of showers in the
morning.
.SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas around 2 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.

$$

ANZ233-050900-
Vineyard Sound-
405 PM EDT Thu Jul 4 2024

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot
at 9 seconds. A chance of showers. A slight chance of tstms after
midnight.
.FRI...S winds around 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and E 1 foot
at 8 seconds. A chance of showers. Patchy fog in the morning.
.FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and E
1 foot at 8 seconds. Patchy fog. Vsby 1 to 3 NM in the evening.
.SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 4 ft at 7 seconds and SW 1 foot at
3 seconds. A chance of showers. Patchy fog in the morning.
.SAT NIGHT AND SUN...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SW 1 foot
at 4 seconds. A chance of showers.
.SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 7 seconds and SW 1 foot at 3 seconds.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt. Seas around 2 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.

$$

ANZ234-050900-
Buzzards Bay-
405 PM EDT Thu Jul 4 2024

.TONIGHT...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 S 1 foot at
9 seconds. A chance of showers. A slight chance of tstms after
midnight.
.FRI...S winds around 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot
at 8 seconds. A chance of showers. Patchy fog in the morning.
.FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and
E 1 foot at 8 seconds. Patchy fog. Vsby 1 to 3 NM in the evening.
.SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 6 seconds and SW 2 ft at 3 seconds.
A chance of showers.
.SAT NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail:
SW 3 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of
showers.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 7 seconds and SW 1 foot at 3 seconds. A chance of showers in
the morning.
.SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.MON THROUGH TUE NIGHT...S winds 10 to 15 kt with gusts up to
20 kt. Seas around 2 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.

$$

ANZ235-050900-
Rhode Island Sound-
405 PM EDT Thu Jul 4 2024

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft
at 9 seconds. A chance of showers. A slight chance of tstms after
midnight.
.FRI...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft
at 5 seconds and SE 2 ft at 8 seconds. A chance of showers.
Patchy fog in the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 7 seconds and S
2 ft at 11 seconds. Patchy fog. A chance of showers after
midnight. Vsby 1 to 3 NM in the evening.
.SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: S 5 ft at 7 seconds and SE 2 ft at 10 seconds.
A chance of showers. Patchy fog in the morning.
.SAT NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas 4 to 5 ft. Wave Detail: S
5 ft at 8 seconds and SW 1 foot at 3 seconds. A chance of
showers.
.SUN...SW winds around 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft
at 8 seconds and SE 1 foot at 8 seconds. A chance of showers in
the morning.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON THROUGH TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 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.

$$

ANZ237-050900-
Block Island Sound-
405 PM EDT Thu Jul 4 2024

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft
at 9 seconds. A chance of showers. A slight chance of tstms after
midnight. Patchy fog after midnight with vsby 1 to 3 NM.
.FRI...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 5 seconds and E 2 ft at 9 seconds. A chance of showers. Patchy
fog in the morning with vsby 1 to 3 NM.
.FRI 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 E
2 ft at 8 seconds. Patchy fog. A chance of showers after
midnight. Vsby 1 to 3 NM in the evening.
.SAT...S winds around 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 7 seconds and E 2 ft at 8 seconds. A
chance of showers. Patchy fog in the morning with vsby 1 to 3 NM.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SE 2 ft at
9 seconds. A chance of showers.
.SUN...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 8 seconds and W 1 foot at 3 seconds. A chance of showers in
the morning.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON THROUGH TUE...S winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...S 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.

$$

ANZ230-050900-
Boston Harbor-
405 PM EDT Thu Jul 4 2024

.TONIGHT...SW winds 5 to 10 kt. Waves around 2 ft this evening,
then 1 foot or less. A chance of showers. A slight chance of
tstms after midnight. Patchy fog after midnight.
.FRI...S winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers. Patchy fog in the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds around 10 kt. Waves around 2 ft. A chance of
showers. Patchy fog after midnight.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of showers. Patchy fog in the morning with vsby
1 to 3 NM.
.SAT NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight. Waves around 2 ft. A chance of
showers.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.MON THROUGH TUE...S winds 10 to 15 kt with gusts up to 20 kt.
Waves 1 foot or less.
.TUE NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves
1 foot or less. 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.

$$

ANZ236-050900-
Narragansett Bay-
405 PM EDT Thu Jul 4 2024

.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt this evening.
Waves around 2 ft. A chance of showers. A slight chance of tstms
after midnight. Patchy fog after midnight.
.FRI...S winds 5 to 10 kt. Waves around 2 ft. A chance of
showers. Patchy fog in the morning with vsby 1 to 3 NM.
.FRI NIGHT...S winds around 10 kt. Waves around 2 ft. Patchy fog.
A chance of showers after midnight. Vsby 1 to 3 NM in the
evening.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
4 ft. A chance of showers. Patchy fog in the morning.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves 2 to 4 ft. A
chance of showers.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 4 ft.
.MON THROUGH TUE NIGHT...SW winds 10 to 15 kt. Waves around 2 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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