Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 212004
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
404 PM EDT Fri Jun 21 2024

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

ANZ200-220900-
404 PM EDT Fri Jun 21 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
A weak backdoor front will dissipate across southern New England
overnight. High pressure to the south of New England will result in
southwest winds across the waters over the weekend. A cold front
moves across New England Monday. High pressure builds back in on
Tuesday.

$$

ANZ250-220900-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
404 PM EDT Fri Jun 21 2024

.TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 8 seconds and N 1 foot at 3 seconds. Patchy fog. A
slight chance of showers. Isolated tstms this evening. Vsby 1 NM
or less.
.SAT...SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE
2 ft at 9 seconds and S 1 foot at 2 seconds. Patchy fog. A chance
of showers and tstms in the afternoon. Some tstms may produce
gusty winds, frequent lightning, and heavy rainfall in the
afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the
afternoon.
.SAT NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and S 1 foot at
2 seconds. Patchy fog. A chance of showers and tstms in the
evening. Some tstms may produce gusty winds, frequent lightning,
and heavy rainfall in the evening. 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 3 ft, building to 3 to
5 ft in the afternoon. Wave Detail: S 2 ft at 3 seconds and SE
2 ft at 9 seconds, becoming S 3 ft at 4 seconds and SE 2 ft at
10 seconds. A chance of showers. Patchy fog in the morning.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and SE 3 ft at
8 seconds. Showers likely.
.MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 2 ft at
4 seconds. Showers likely.
.MON NIGHT...W winds around 10 kt. Seas 2 to 4 ft. A chance of
showers in the evening.
.TUE THROUGH WED...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 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.

$$

ANZ251-220900-
Massachusetts Bay and Ipswich Bay-
404 PM EDT Fri Jun 21 2024

.TONIGHT...SE winds around 5 kt. Seas around 2 ft. Wave Detail:
NE 1 foot at 3 seconds and E 1 foot at 8 seconds. Patchy fog. A
slight chance of showers. Isolated tstms this evening. Vsby 1 to
3 NM, decreasing to 1 NM or less after midnight.
.SAT...E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 3 seconds and NE 1 foot at 3 seconds. Patchy fog. A
chance of showers and tstms in the afternoon. Some tstms may
produce gusty winds, frequent lightning, and heavy rainfall in
the afternoon. Vsby 1 NM or less in the morning.
.SAT NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: S 1 foot at 3 seconds and NE 1 foot at
3 seconds. Patchy fog. A chance of showers and tstms in the
evening. Some tstms may produce gusty winds, frequent lightning,
and heavy rainfall in the evening. Vsby 1 to 3 NM.
.SUN...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: S 2 ft at 4 seconds and NE 1 foot at
4 seconds. A chance of showers. Patchy fog in the morning.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and NE 1 foot at
5 seconds. Showers likely.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 3 seconds and SE 1 foot at 5 seconds. A chance of showers in
the morning. Showers likely in the afternoon.
.MON NIGHT...W winds around 10 kt. Seas around 2 ft. A chance of
showers in the evening.
.TUE THROUGH WED...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.WED NIGHT...SW 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.

$$

ANZ231-220900-
Cape Cod Bay-
404 PM EDT Fri Jun 21 2024

.TONIGHT...E winds around 5 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: NE 1 foot at 2 seconds and SE 1 foot at
8 seconds. Patchy fog. A slight chance of showers. Isolated tstms
this evening. Vsby 1 to 3 NM, decreasing to 1 NM or less after
midnight.
.SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 2 seconds and N 1 foot at 3 seconds. Patchy fog. A
chance of showers and tstms in the afternoon. Some tstms may
produce gusty winds, frequent lightning, and heavy rainfall in
the afternoon. Vsby 1 NM or less, increasing to 1 to 3 NM in the
afternoon.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 1 foot at 2 seconds and NE 1 foot at 3 seconds. Patchy fog. A
chance of showers and tstms in the evening. Some tstms may
produce gusty winds, frequent lightning, and heavy rainfall in
the evening. Vsby 1 to 3 NM.
.SUN...SW 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: SW
2 ft at 3 seconds and S 2 ft at 8 seconds. A chance of showers.
Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and S 2 ft at
8 seconds. Showers likely.
.MON...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 S 2 ft at 8 seconds.
Showers likely.
.MON NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers in the evening.
.TUE THROUGH WED...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft.
.WED NIGHT...SW 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.

$$

ANZ254-220900-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
404 PM EDT Fri Jun 21 2024

.TONIGHT...SE winds around 5 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at
4 seconds. Patchy fog. A slight chance of showers after midnight.
Vsby 1 NM or less.
.SAT...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft
at 8 seconds. Patchy fog. A chance of showers and tstms in the
afternoon. Some tstms may produce gusty winds, frequent
lightning, and heavy rainfall in the afternoon. Vsby 1 NM or
less, increasing to 1 to 3 NM in the afternoon.
.SAT NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and
SE 2 ft at 8 seconds. Patchy fog. A chance of showers and tstms
in the evening. Some tstms may produce gusty winds, frequent
lightning, and heavy rainfall in the evening. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: S 5 ft at 8 seconds and SW 3 ft at 4 seconds.
Patchy fog in the morning with vsby 1 NM or less.
.SUN NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S
6 ft at 7 seconds and W 2 ft at 4 seconds. A chance of showers in
the evening, then showers after midnight.
.MON...SW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft
at 9 seconds and W 1 foot at 4 seconds. Showers likely.
.MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 6 ft. A chance of showers.
.TUE...W winds 5 to 10 kt. Seas 3 to 5 ft.
.TUE NIGHT AND WED...SW winds 5 to 10 kt, increasing to 10 to
15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
.WED NIGHT...SW 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.

$$

ANZ255-220900-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
404 PM EDT Fri Jun 21 2024

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

$$

ANZ256-220900-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
404 PM EDT Fri Jun 21 2024

.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at
8 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less
after midnight.
.SAT...SW winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 8 seconds.
Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the
afternoon.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Wave Detail: SW 4 ft at 7 seconds. Patchy fog. A
chance of tstms in the evening. Some tstms may produce gusty
winds, frequent lightning, and heavy rainfall in the evening.
Vsby 1 NM or less.
.SUN...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft
at 7 seconds. Patchy fog in the morning with vsby 1 NM or less.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
6 to 8 ft. Wave Detail: S 8 ft at 8 seconds and SW 1 foot at
3 seconds. Showers. A chance of tstms after midnight.
.MON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to
8 ft. Wave Detail: S 8 ft at 9 seconds. Showers likely.
.MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 5 to 6 ft. A chance of showers in the evening.
.TUE THROUGH WED...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 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.

$$

ANZ232-220900-
Nantucket Sound-
404 PM EDT Fri Jun 21 2024

.TONIGHT...S winds around 5 kt. Gusts up to 20 kt after midnight.
Seas around 2 ft. Wave Detail: SW 1 foot at 5 seconds and SE
1 foot at 8 seconds. Patchy fog. Vsby 1 NM or less.
.SAT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at
8 seconds. Patchy fog. A chance of showers and tstms in the
afternoon. Some tstms may produce gusty winds, frequent
lightning, and heavy rainfall in the afternoon. Vsby 1 NM or less
in the morning.
.SAT NIGHT...SW winds around 10 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SW 1 foot at 3 seconds and NE 1 foot at
3 seconds. Patchy fog. A chance of showers and tstms in the
evening. Some tstms may produce gusty winds, frequent lightning,
and heavy rainfall in the evening. Vsby 1 to 3 NM.
.SUN...SW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: SW 3 ft at 4 seconds and
S 3 ft at 7 seconds. Patchy fog in the morning with vsby 1 to
3 NM.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 5 ft. Wave Detail: SW 4 ft at 4 seconds and S 4 ft at
7 seconds. Showers likely.
.MON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: SW 3 ft at 4 seconds and SW 2 ft at 8 seconds.
Showers likely.
.MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft. A chance of showers in the evening.
.TUE THROUGH WED...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.WED NIGHT...SW winds around 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.

$$

ANZ233-220900-
Vineyard Sound-
404 PM EDT Fri Jun 21 2024

.TONIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 5 seconds and SE 1 foot at 8 seconds. Patchy fog. Vsby
1 to 3 NM, decreasing to 1 NM or less after midnight.
.SAT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 6 seconds. Patchy fog in the morning. A chance of showers and
tstms in the afternoon. Some tstms may produce gusty winds,
frequent lightning, and heavy rainfall in the afternoon. Vsby
1 NM or less in the morning.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
SW 2 ft at 6 seconds. Patchy fog. A chance of showers and tstms
in the evening. Some tstms may produce gusty winds, frequent
lightning, and heavy rainfall in the evening. Vsby 1 to 3 NM,
decreasing to 1 NM or less after midnight.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: SW 5 ft at 7 seconds and SW 2 ft at 4 seconds.
Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and SW 2 ft at
4 seconds. Showers likely.
.MON...SW winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: SW 5 ft
at 8 seconds and SW 2 ft at 4 seconds. Showers likely.
.MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft. A chance of showers in the evening.
.TUE THROUGH WED...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.WED NIGHT...SW 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.

$$

ANZ234-220900-
Buzzards Bay-
404 PM EDT Fri Jun 21 2024

.TONIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: SW
1 foot at 5 seconds and SE 1 foot at 8 seconds. Patchy fog. A
slight chance of showers. Isolated tstms this evening. Vsby 1 to
3 NM, decreasing to 1 NM or less after midnight.
.SAT...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot
at 8 seconds. Patchy fog in the morning. A chance of showers and
tstms in the afternoon. Some tstms may produce gusty winds,
frequent lightning, and heavy rainfall in the afternoon. Vsby
1 NM or less in the morning.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 6 seconds. Patchy fog. A chance of showers and tstms in
the evening. Some tstms may produce gusty winds, frequent
lightning, and heavy rainfall in the evening. Vsby 1 to 3 NM.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: SW 4 ft at 7 seconds and SW 3 ft at 4 seconds.
Patchy fog in the morning. A chance of showers in the afternoon.
Vsby 1 to 3 NM in the morning.
.SUN NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 4 to 5 ft. Wave Detail: SW 5 ft at 7 seconds
and SW 3 ft at 4 seconds. Showers likely.
.MON...SW winds around 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 8 seconds and SW 2 ft at 4 seconds.
Showers likely.
.MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft. A chance of showers in the evening.
.TUE THROUGH WED...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft.
.WED NIGHT...SW 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.

$$

ANZ235-220900-
Rhode Island Sound-
404 PM EDT Fri Jun 21 2024

.TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 5 seconds and S 2 ft at 8 seconds. Patchy fog. A slight
chance of showers with isolated tstms this evening. Vsby 1 to
3 NM, decreasing to 1 NM or less after midnight.
.SAT...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog.
Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon.
.SAT NIGHT...SW winds around 10 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds.
Patchy fog. A chance of showers and tstms in the evening. Some
tstms may produce gusty winds, frequent lightning, and heavy
rainfall in the evening. Vsby 1 NM or less.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: S 6 ft at 7 seconds and SW 2 ft at 4 seconds.
Patchy fog in the morning with vsby 1 to 3 NM.
.SUN NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 7 ft. Wave Detail: S 7 ft at 7 seconds and SW 1 foot at
4 seconds. Showers likely.
.MON...SW winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: S 6 ft
at 9 seconds and SW 1 foot at 3 seconds. Showers likely.
.MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 5 ft. A chance of showers in the evening.
.TUE THROUGH WED...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.WED NIGHT...SW 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.

$$

ANZ237-220900-
Block Island Sound-
404 PM EDT Fri Jun 21 2024

...SEVERE THUNDERSTORM WATCH 444 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

.TONIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: SW
2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Isolated
showers and tstms this evening. Some tstms may produce gusty
winds, frequent lightning, and heavy rainfall this evening. Vsby
1 to 3 NM.
.SAT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds.
Patchy fog in the morning. A chance of showers and tstms in the
afternoon. Some tstms may produce gusty winds, frequent
lightning, and heavy rainfall in the afternoon. Vsby 1 NM or
less, increasing to 1 to 3 NM in the afternoon.
.SAT NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. Patchy fog. A chance
of showers and tstms in the evening. Some tstms may produce gusty
winds, frequent lightning, and heavy rainfall in the evening.
Vsby 1 NM or less.
.SUN...SW 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 7 seconds and SW
1 foot at 3 seconds, becoming S 5 ft at 7 seconds and SW 2 ft at
4 seconds. Patchy fog in the morning. A chance of showers in the
afternoon. Vsby 1 NM or less in the morning.
.SUN 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 W 2 ft at
4 seconds. Showers likely.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Wave Detail: S 6 ft at 9 seconds and W 1 foot at 4 seconds.
Showers likely.
.MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft. A chance of showers in the evening.
.TUE THROUGH WED...SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft.
.WED NIGHT...SW 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.

$$

ANZ230-220900-
Boston Harbor-
404 PM EDT Fri Jun 21 2024

.TONIGHT...E winds around 5 kt. Waves 1 foot or less. Patchy fog.
A chance of showers with a slight chance of tstms this evening,
then a slight chance of showers after midnight with vsby 1 to
3 NM.
.SAT...SE winds around 5 kt, becoming E in the afternoon. Waves
1 foot or less. Patchy fog in the morning. Showers and tstms
likely in the afternoon. Some tstms may produce gusty winds,
frequent lightning, and heavy rainfall in the afternoon. Vsby
1 NM or less in the morning.
.SAT NIGHT...NE winds around 5 kt, becoming SW after midnight.
Waves 1 foot or less. A chance of showers and tstms in the
evening. Some tstms may produce gusty winds, frequent lightning,
and heavy rainfall in the evening. Vsby 1 to 3 NM.
.SUN...S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves 1 foot or less, then around
2 ft in the afternoon. A chance of showers in the morning, then
showers likely in the afternoon.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Showers likely.
.MON...W winds 10 to 15 kt. Waves 1 foot or less. A chance of
showers in the morning. Showers likely in the afternoon.
.MON NIGHT...NW winds around 10 kt. Waves 1 foot or less. A
chance of showers in the evening.
.TUE THROUGH WED...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.WED NIGHT...SW 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.

$$

ANZ236-220900-
Narragansett Bay-
404 PM EDT Fri Jun 21 2024

.TONIGHT...S winds around 5 kt. Waves around 2 ft. Patchy fog. A
slight chance of showers with isolated tstms this evening. Vsby
1 to 3 NM.
.SAT...SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog in the
morning. A chance of showers and tstms in the afternoon. Some
tstms may produce gusty winds, frequent lightning, and heavy
rainfall in the afternoon. Vsby 1 NM or less in the morning.
.SAT NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog.
A chance of showers and tstms in the evening. Some tstms may
produce gusty winds, frequent lightning, and heavy rainfall in
the evening. Vsby 1 to 3 NM.
.SUN...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Waves 3 to 5 ft. Patchy fog in the
morning. A chance of showers in the afternoon. Vsby 1 to 3 NM in
the morning.
.SUN NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Waves 3 to 5 ft. Showers
likely.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 3 to
5 ft. Showers likely.
.MON NIGHT...W winds 5 to 10 kt. Waves 2 to 4 ft. A chance of
showers in the evening.
.TUE THROUGH WED...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves 2 to 3 ft.
.WED NIGHT...SW 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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