250
FZUS51 KBOX 180204
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1004 PM EDT Wed Jul 17 2024

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

ANZ200-181500-
1004 PM EDT Wed Jul 17 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Tstms may approach the waters this evening. A cold front sweeps
through Thu. High pres will bring light winds and dry conditions
into early next week.

$$

ANZ250-181500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1004 PM EDT Wed Jul 17 2024

.OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 3 seconds.
Patchy fog. A slight chance of showers. Vsby 1 NM or less.
.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 3 seconds. Patchy fog. A chance of
showers in the morning. Vsby 1 NM or less, increasing to 1 to
3 NM in the afternoon.
.THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and SW 1 foot
at 2 seconds.
.FRI...NW winds 5 to 10 kt, becoming E in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 2 ft at 9 seconds and NW 1 foot at
3 seconds.
.FRI NIGHT AND SAT...S winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds.
.SAT NIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail:
SW 2 ft at 3 seconds and SE 2 ft at 7 seconds.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.

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.

$$

ANZ251-181500-
Massachusetts Bay and Ipswich Bay-
1004 PM EDT Wed Jul 17 2024

.OVERNIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 4 seconds. Patchy fog. A slight chance of showers. Vsby
1 to 3 NM, decreasing to 1 NM or less.
.THU...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W
1 foot at 2 seconds and SE 1 foot at 8 seconds. Patchy fog in the
morning. A chance of showers in the morning with vsby 1 NM or
less.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 9 seconds and SW 1 foot at
2 seconds.
.FRI...NW winds 5 to 10 kt, becoming E in the afternoon. Seas
around 2 ft in the morning, then 1 foot or less. Wave Detail: NW
1 foot at 2 seconds and E 1 foot at 9 seconds, becoming NW 1 foot
at 2 seconds and E 1 foot at 6 seconds.
.FRI NIGHT THROUGH SAT NIGHT...SW winds 5 to 10 kt. Seas around
2 ft. Wave Detail: SE 2 ft at 6 seconds and W 1 foot at
2 seconds.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: W 1 foot at 2 seconds and SE 1 foot at 8 seconds.

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.

$$

ANZ231-181500-
Cape Cod Bay-
1004 PM EDT Wed Jul 17 2024

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

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.

$$

ANZ254-181500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1004 PM EDT Wed Jul 17 2024

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

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

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.

$$

ANZ255-181500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1004 PM EDT Wed Jul 17 2024

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

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

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.

$$

ANZ256-181500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1004 PM EDT Wed Jul 17 2024

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

.OVERNIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 6 to 7 ft. Wave Detail: S 6 ft at 8 seconds. Patchy fog. A
slight chance of showers. Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft
at 8 seconds. Showers likely, mainly in the morning. Patchy fog
in the morning with vsby 1 to 3 NM.
.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...N winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to
5 ft. Wave Detail: S 5 ft at 8 seconds.
.FRI NIGHT THROUGH SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to
4 ft. Wave Detail: S 4 ft at 8 seconds and SW 2 ft at 3 seconds.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: S 3 ft at 7 seconds and W 1 foot at 4 seconds.

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.

$$

ANZ232-181500-
Nantucket Sound-
1004 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THURSDAY...

.OVERNIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt.
Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at
4 seconds and S 2 ft at 8 seconds. Patchy fog. A slight chance of
showers. Vsby 1 NM or less.
.THU...SW winds 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft
at 3 seconds and S 2 ft at 8 seconds. Patchy fog. Showers likely,
mainly in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM
in the afternoon.
.THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at
3 seconds.
.FRI...N winds around 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and NW 1 foot at
3 seconds.
.FRI NIGHT THROUGH SAT NIGHT...SW winds 10 to 15 kt. Seas around
2 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SW 2 ft at 3 seconds and S 1 foot at 7 seconds.

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.

$$

ANZ233-181500-
Vineyard Sound-
1004 PM EDT Wed Jul 17 2024

.OVERNIGHT...SW 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 SW 2 ft at
3 seconds. Patchy fog. A slight chance of showers. Vsby 1 to
3 NM.
.THU...SW winds around 10 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 8 seconds and SW 1 foot at 3 seconds. Showers likely, mainly
in the morning. Patchy fog in the morning with vsby 1 to 3 NM.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and SW 1 foot at
3 seconds.
.FRI...N winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: S 3 ft at 8 seconds and NW 1 foot at
3 seconds.
.FRI NIGHT THROUGH SAT NIGHT...SW winds 10 to 15 kt. Seas around
2 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: S 2 ft at 7 seconds and SW 1 foot at 4 seconds.

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.

$$

ANZ234-181500-
Buzzards Bay-
1004 PM EDT Wed Jul 17 2024

.OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 3 seconds.
Patchy fog. A slight chance of showers. Vsby 1 to 3 NM.
.THU...SW winds around 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft
at 8 seconds and SW 1 foot at 3 seconds. Showers likely, mainly
in the morning. Patchy fog in the morning with vsby 1 to 3 NM.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at
3 seconds.
.FRI...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
around 2 ft. Wave Detail: S 2 ft at 8 seconds and N 1 foot at
3 seconds.
.FRI NIGHT THROUGH SAT 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
SW 2 ft at 8 seconds.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SW 1 foot at 5 seconds.

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.

$$

ANZ235-181500-
Rhode Island Sound-
1004 PM EDT Wed Jul 17 2024

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

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SW 1 foot at
3 seconds. Patchy fog. A slight chance of showers. Vsby 1 to
3 NM.
.THU...SW winds around 10 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft
at 8 seconds. A chance of showers. Patchy fog in the morning with
vsby 1 to 3 NM.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight. Seas
3 to 5 ft. Wave Detail: S 5 ft at 8 seconds.
.FRI...N winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 4 ft. Wave Detail: S 4 ft at 8 seconds.
.FRI NIGHT THROUGH SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 8 seconds and SW 2 ft at 3 seconds.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds.

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.

$$

ANZ237-181500-
Block Island Sound-
1004 PM EDT Wed Jul 17 2024

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

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at
8 seconds and SW 1 foot at 3 seconds. Patchy fog. A slight chance
of showers. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at
8 seconds. Patchy fog in the morning. A chance of showers in the
morning with vsby 1 to 3 NM.
.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.
.FRI...N winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: S 3 ft at 8 seconds.
.FRI NIGHT THROUGH SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 8 seconds and SW 1 foot at
3 seconds.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds.

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.

$$

ANZ230-181500-
Boston Harbor-
1004 PM EDT Wed Jul 17 2024

.OVERNIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A slight
chance of showers, then a chance of showers. Patchy fog with vsby
1 to 3 NM.
.THU...SW winds 5 to 10 kt. Waves 1 foot or less. Patchy fog in
the morning. Showers likely in the morning with vsby 1 to 3 NM.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight.
Waves 1 foot or less.
.FRI...NW winds 5 to 10 kt, becoming E in the afternoon. Waves
1 foot or less.
.FRI NIGHT THROUGH SAT NIGHT...SW winds 5 to 10 kt. Waves 1 foot
or less.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Waves 1 foot or
less.

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.

$$

ANZ236-181500-
Narragansett Bay-
1004 PM EDT Wed Jul 17 2024

.OVERNIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt. Waves 2 to
3 ft. A slight chance of showers. Patchy fog with vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog in the
morning. A chance of showers in the morning with vsby 1 to 3 NM.
.THU NIGHT...W winds 5 to 10 kt, becoming NW after midnight.
Waves 2 to 3 ft.
.FRI...N winds 5 to 10 kt, becoming SW in the afternoon. Waves
2 to 3 ft.
.FRI NIGHT THROUGH SAT NIGHT...SW winds 5 to 10 kt. Waves around
2 ft.
.SUN THROUGH MON NIGHT...S winds 5 to 10 kt. Waves around 2 ft.

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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