180
FZUS51 KBOX 162306
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
705 PM EDT Tue Jul 16 2024

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

ANZ200-171200-
705 PM EDT Tue Jul 16 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Persistent SW winds gusting 20-25 knots through Wed with low
stratus and fog. Thunderstorms may approach the waters late today,
and again on Wed afternoon. A cold front sweeps through Thu. High
pressure will bring light winds and dry conditions into the weekend.

$$

ANZ250-171200-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
705 PM EDT Tue Jul 16 2024

.TONIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 9 seconds.
Patchy fog. Showers likely this evening. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 4 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at
3 seconds. Patchy fog in the morning with vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
8 seconds. A chance of showers. A chance of tstms in the evening.
Vsby 1 to 3 NM after midnight.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and SW 1 foot at 4 seconds. A chance of showers in
the morning.
.THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 foot
at 4 seconds.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 2 ft at 8 seconds and N 1 foot at 3 seconds.
.SAT THROUGH SUN NIGHT...W 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.

$$

ANZ251-171200-
Massachusetts Bay and Ipswich Bay-
705 PM EDT Tue Jul 16 2024

...SEVERE THUNDERSTORM WATCH 549 IN EFFECT UNTIL 1 AM EDT
WEDNESDAY...

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 9 seconds. Showers and tstms likely this evening. Patchy fog
after midnight. Some tstms may be severe with damaging winds and
large hail. Vsby 1 NM or less after midnight.
.WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft
at 3 seconds and SE 1 foot at 9 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and
SE 1 foot at 9 seconds. A chance of showers. A chance of tstms in
the evening.
.THU...SW winds 5 to 10 kt. Seas around 2 ft in the morning, then
1 foot or less. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot
at 9 seconds. A chance of showers in the morning.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
1 foot or less, then around 2 ft after midnight. Wave Detail: SW
1 foot at 3 seconds and SE 1 foot at 9 seconds, becoming NW
1 foot at 2 seconds and S 1 foot at 8 seconds.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: N 1 foot at 3 seconds and S 1 foot at 7 seconds.
.SAT THROUGH SUN NIGHT...W winds 5 to 10 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.

$$

ANZ231-171200-
Cape Cod Bay-
705 PM EDT Tue Jul 16 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...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 1 foot at
9 seconds. Patchy fog after midnight with vsby 1 NM or less.
.WED...SW 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: SW
2 ft at 4 seconds and SE 1 foot at 9 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE
1 foot at 9 seconds. A chance of showers. A chance of tstms in
the evening.
.THU...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft
at 6 seconds and SW 1 foot at 2 seconds. A chance of showers.
.THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot
at 2 seconds.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 8 seconds and N 1 foot at 3 seconds.
.SAT THROUGH SUN NIGHT...W winds 5 to 10 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.

$$

ANZ254-171200-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
705 PM EDT Tue Jul 16 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

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

$$

ANZ255-171200-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
705 PM EDT Tue Jul 16 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: S 5 ft at 7 seconds and SW 1 foot at
3 seconds. Patchy fog. Vsby 1 NM or less.
.WED...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 1 foot at
3 seconds. Patchy fog in the morning with vsby 1 NM or less.
.WED NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 6 ft. Wave Detail: S 6 ft at 8 seconds and SW 1 foot at
3 seconds. A chance of showers. A chance of tstms in the evening.
Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds and SW 1 foot at
3 seconds. A chance of showers.
.THU NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas 4 to 6 ft. Wave Detail: S 5 ft at 8 seconds and W 1 foot at
2 seconds.
.FRI...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SE 1 foot at
7 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft.
.SAT THROUGH SUN NIGHT...SW 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.

$$

ANZ256-171200-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
705 PM EDT Tue Jul 16 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

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

$$

ANZ232-171200-
Nantucket Sound-
705 PM EDT Tue Jul 16 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...

.TONIGHT...SW 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 SE 1 foot at
9 seconds. Patchy fog. Vsby 1 NM or less.
.WED...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: S 3 ft
at 6 seconds and SW 2 ft at 3 seconds. Patchy fog in the morning
with vsby 1 NM or less.
.WED 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 SE 1 foot at
9 seconds. A chance of showers. A chance of tstms in the evening.
Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at
8 seconds. A chance of showers.
.THU NIGHT...SW winds around 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and SW 2 ft at
8 seconds.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: S 2 ft at 8 seconds and N 1 foot at 2 seconds.
.SAT THROUGH SUN NIGHT...W 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.

$$

ANZ233-171200-
Vineyard Sound-
705 PM EDT Tue Jul 16 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 6 seconds and SW 1 foot at
3 seconds. Patchy fog after midnight with vsby 1 NM or less.
.WED...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. Wave Detail: S 4 ft
at 6 seconds and SW 1 foot at 3 seconds. Patchy fog in the
morning with vsby 1 NM or less.
.WED NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds
and SW 1 foot at 3 seconds. A chance of showers. A chance of
tstms in the evening. Patchy fog in the evening with vsby 1 to
3 NM.
.THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft
at 8 seconds and W 1 foot at 3 seconds. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 4 ft. Wave Detail: SW 3 ft at 8 seconds and W 1 foot at
3 seconds.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: S 3 ft at 8 seconds and NW 1 foot at 3 seconds.
.SAT THROUGH SUN NIGHT...W 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.

$$

ANZ234-171200-
Buzzards Bay-
705 PM EDT Tue Jul 16 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 6 seconds and SW 2 ft at 3 seconds.
Patchy fog after midnight with vsby 1 to 3 NM.
.WED...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
3 ft at 6 seconds and SW 2 ft at 3 seconds. Patchy fog in the
morning with vsby 1 to 3 NM.
.WED 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 5 seconds and SE 1 foot at 8 seconds. A chance of
showers. A chance of tstms in the evening. Patchy fog in the
evening. Vsby 1 to 3 NM.
.THU...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: SW
3 ft at 7 seconds and W 1 foot at 3 seconds. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 8 seconds and SW 1 foot at
3 seconds.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 7 seconds and N 1 foot at 2 seconds.
.SAT THROUGH SUN NIGHT...W 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.

$$

ANZ235-171200-
Rhode Island Sound-
705 PM EDT Tue Jul 16 2024

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

$$

ANZ237-171200-
Block Island Sound-
705 PM EDT Tue Jul 16 2024

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

$$

ANZ230-171200-
Boston Harbor-
705 PM EDT Tue Jul 16 2024

...SEVERE THUNDERSTORM WATCH 549 IN EFFECT UNTIL 1 AM EDT
WEDNESDAY...

.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves around 2 ft.
Showers and tstms likely this evening. Patchy fog after midnight.
Some tstms may be severe with damaging winds and large hail. Vsby
1 NM or less after midnight.
.WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Waves 1 foot or less. A chance of showers in the
afternoon.
.WED NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Waves 1 foot or less. A chance of showers. A
chance of tstms in the evening.
.THU...W winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers in the morning.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight.
Waves 1 foot or less.
.FRI AND FRI NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.SAT THROUGH SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or
less.

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.

$$

ANZ236-171200-
Narragansett Bay-
705 PM EDT Tue Jul 16 2024

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