882
FZUS51 KBOX 261703
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
103 PM EDT Thu Sep 26 2024

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

ANZ200-270600-
103 PM EDT Thu Sep 26 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres moves offshore today. A warm front will cross the waters
today followed by a cold front tonight. High pres builds across New
Eng and the waters from Fri through next Mon.

$$

ANZ250-270600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
103 PM EDT Thu Sep 26 2024

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

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 25 kt.
Seas 5 to 7 ft. Wave Detail: E 6 ft at 11 seconds and S 1 foot at
3 seconds. Numerous showers with isolated tstms. Vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave Detail: E 6 ft
at 11 seconds and S 2 ft at 4 seconds. Numerous showers in the
evening. Scattered showers after midnight. Vsby 1 to 3 NM.
.FRI...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
3 to 5 ft. Wave Detail: E 5 ft at 11 seconds.
.FRI NIGHT...S winds around 5 kt, becoming N after midnight. Seas
2 to 4 ft. Wave Detail: E 4 ft at 10 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds.
.SUN THROUGH MON NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: E 3 ft at 9 seconds and NE 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.

$$

ANZ251-270600-
Massachusetts Bay and Ipswich Bay-
103 PM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 5 ft. Wave Detail: E 5 ft at 11 seconds and S 1 foot at
3 seconds. Numerous showers with isolated tstms. Vsby 1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming W
after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft at 11 seconds
and S 1 foot at 4 seconds. Numerous showers in the evening.
Scattered showers after midnight. Vsby 1 to 3 NM.
.FRI...W winds around 5 kt, becoming S in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 11 seconds.
.FRI NIGHT...SE winds around 5 kt, becoming N after midnight.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds.
.SUN THROUGH MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds and NE 1 foot 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.

$$

ANZ231-270600-
Cape Cod Bay-
103 PM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 11 seconds and S 1 foot at
2 seconds. Scattered showers.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 11 seconds and S 1 foot at 3 seconds. Numerous showers in the
evening. Scattered showers after midnight. Vsby 1 to 3 NM.
.FRI...NW winds around 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 11 seconds and SW 1 foot at 2 seconds.
.FRI NIGHT...S winds around 5 kt, becoming N around 5 kt after
midnight. Seas around 2 ft. Wave Detail: E 2 ft at 10 seconds and
SW 1 foot at 4 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 10 seconds and NE 1 foot at 2 seconds.
.SUN THROUGH MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: E 2 ft at 9 seconds and NE 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.

$$

ANZ254-270600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
103 PM EDT Thu Sep 26 2024

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

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 5 to 7 ft. Wave Detail: E 7 ft at 12 seconds and S 1 foot at
3 seconds. Isolated showers.
.TONIGHT...S winds 10 to 15 kt, becoming W after midnight. Gusts
up to 20 kt. Seas 5 to 7 ft. Wave Detail: E 7 ft at 12 seconds
and SW 2 ft at 4 seconds. Scattered showers. Vsby 1 to 3 NM after
midnight.
.FRI...W winds around 5 kt. Seas 4 to 6 ft. Wave Detail: E 5 ft
at 11 seconds. Scattered showers in the morning.
.FRI NIGHT...SW winds around 5 kt, becoming NW after midnight.
Seas 2 to 4 ft. Wave Detail: E 4 ft at 10 seconds and S 1 foot at
4 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds and E 2 ft at 4 seconds.
.SUN THROUGH MON NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 10 seconds and NE 2 ft 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.

$$

ANZ255-270600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
103 PM EDT Thu Sep 26 2024

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

.THIS AFTERNOON...S winds around 10 kt with gusts up to 20 kt.
Seas 4 to 6 ft. Wave Detail: E 5 ft at 11 seconds and S 1 foot at
3 seconds. Isolated showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft at 11 seconds
and S 2 ft at 3 seconds. Scattered showers. Vsby 1 to 3 NM after
midnight.
.FRI...N winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to
5 ft. Wave Detail: E 5 ft at 11 seconds and SW 2 ft at 4 seconds.
Scattered showers in the morning.
.FRI NIGHT...S winds around 5 kt, becoming E around 5 kt after
midnight. Seas 2 to 4 ft. Wave Detail: E 4 ft at 10 seconds and
SW 1 foot at 4 seconds.
.SAT AND SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave
Detail: NE 3 ft at 6 seconds and E 3 ft at 10 seconds.
.SUN THROUGH MON NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft.
Wave Detail: NE 3 ft at 6 seconds and E 3 ft at 9 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.

$$

ANZ256-270600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
103 PM EDT Thu Sep 26 2024

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

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 4 to 5 ft. Wave Detail: E 5 ft at 11 seconds and S 1 foot at
3 seconds. Isolated showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
after midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at 11 seconds
and S 2 ft at 4 seconds. Scattered showers. Vsby 1 to 3 NM after
midnight.
.FRI...N winds 5 to 10 kt, becoming SE in the afternoon. Seas
3 to 5 ft. Wave Detail: E 4 ft at 11 seconds and SW 1 foot at
4 seconds. Scattered showers in the morning.
.FRI NIGHT...SE winds around 5 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds and SW 1 foot at 4 seconds.
.SAT AND SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 4 ft. Wave
Detail: E 3 ft at 5 seconds and E 3 ft at 10 seconds.
.SUN THROUGH MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.
Wave Detail: E 3 ft at 6 seconds and E 2 ft at 9 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.

$$

ANZ232-270600-
Nantucket Sound-
103 PM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds around 10 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: E 3 ft at 12 seconds and S 1 foot at
3 seconds. Isolated showers.
.TONIGHT...S winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 3 ft
at 12 seconds and S 2 ft at 3 seconds. Scattered showers in the
evening, then numerous showers after midnight with vsby 1 to
3 NM.
.FRI...NW winds around 5 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: E 2 ft at 11 seconds and SW 1 foot at
4 seconds. Scattered showers in the morning.
.FRI NIGHT...SW winds around 5 kt, becoming N around 5 kt after
midnight. Seas around 2 ft. Wave Detail: E 2 ft at 10 seconds and
SW 1 foot at 4 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: NE 2 ft at 3 seconds and E 2 ft at 10 seconds.
.SUN THROUGH MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: NE 2 ft at 4 seconds and E 2 ft at 9 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.

$$

ANZ233-270600-
Vineyard Sound-
103 PM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: SE 2 ft at 11 seconds and S 1 foot
at 3 seconds. Scattered showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and SE 2 ft at 11 seconds. Scattered showers in the
evening, then numerous showers after midnight with vsby 1 to
3 NM.
.FRI...N winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: SE 2 ft at 11 seconds and SW 1 foot at
4 seconds. Scattered showers in the morning.
.FRI NIGHT...SW winds around 5 kt, becoming SE around 5 kt after
midnight. Seas around 2 ft in the evening, then 1 foot or less.
Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 10 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 1 foot at 4 seconds and SE 1 foot at 10 seconds.
.SUN THROUGH MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: NE 2 ft at 5 seconds and SE 1 foot at 9 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.

$$

ANZ234-270600-
Buzzards Bay-
103 PM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 ft. Wave Detail: E 2 ft at 11 seconds and S 1 foot
at 3 seconds. Scattered showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: S
2 ft at 3 seconds and E 2 ft at 11 seconds. Scattered showers in
the evening. Numerous showers after midnight with vsby 1 to 3 NM.
.FRI...N winds around 5 kt, becoming SW in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 11 seconds and SW 1 foot at
4 seconds. Scattered showers in the morning.
.FRI NIGHT...S winds around 5 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: E 2 ft at 10 seconds
and SW 1 foot at 4 seconds, becoming SW 1 foot at 4 seconds and
SE 1 foot at 10 seconds.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 1 foot at 4 seconds and E 1 foot at 10 seconds.
.SUN THROUGH MON NIGHT...E winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: NE 1 foot at 4 seconds and SE 1 foot at 9 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.

$$

ANZ235-270600-
Rhode Island Sound-
103 PM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: SE 4 ft at 12 seconds and SE 2 ft at
4 seconds. Scattered showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE
4 ft at 12 seconds and S 3 ft at 4 seconds. Scattered showers in
the evening, then numerous showers after midnight with vsby 1 to
3 NM.
.FRI...N winds around 5 kt, becoming SW in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds and S 2 ft at
4 seconds. Scattered showers in the morning.
.FRI NIGHT...SW winds around 5 kt, becoming E around 5 kt after
midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 10 seconds
and S 1 foot at 4 seconds.
.SAT AND SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 5 seconds and SE 2 ft at 10 seconds.
.SUN THROUGH MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 6 seconds and SE 1 foot at 9 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.

$$

ANZ237-270600-
Block Island Sound-
103 PM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt.
Seas 3 to 4 ft. Wave Detail: SE 4 ft at 12 seconds and S 1 foot
at 3 seconds. Scattered showers.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE
4 ft at 11 seconds and S 2 ft at 4 seconds. Scattered showers in
the evening, then numerous showers after midnight with vsby 1 to
3 NM.
.FRI...N winds around 5 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds and S 1 foot at
4 seconds. Scattered showers in the morning.
.FRI NIGHT...S winds around 5 kt, becoming E after midnight. Seas
around 2 ft. Wave Detail: SE 2 ft at 10 seconds and S 1 foot at
4 seconds.
.SAT AND SAT NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 6 seconds and SE 2 ft at 10 seconds.
.SUN THROUGH MON NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 6 seconds and E 1 foot at 9 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.

$$

ANZ230-270600-
Boston Harbor-
103 PM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds around 10 kt with gusts up to 20 kt.
Waves around 2 ft. Numerous showers with isolated tstms. Vsby
1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt, becoming W after midnight. Waves
around 2 ft in the evening, then 1 foot or less. Widespread
showers in the evening. Numerous showers after midnight. Vsby
1 to 3 NM.
.FRI...W winds around 5 kt, becoming SW in the afternoon. Waves
2 to 3 ft in the morning, then 1 foot or less.
.FRI NIGHT...E winds around 5 kt, becoming N after midnight.
Waves 1 foot or less.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less.
.SUN THROUGH MON NIGHT...E 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.

$$

ANZ236-270600-
Narragansett Bay-
103 PM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds around 10 kt with gusts up to 20 kt.
Waves around 2 ft. Scattered showers.
.TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming
NW after midnight. Waves around 2 ft. Scattered showers in the
evening. Numerous showers after midnight with vsby 1 to 3 NM.
.FRI...N winds around 5 kt, becoming SW in the afternoon. Waves
around 2 ft.
.FRI NIGHT...SW winds around 5 kt, becoming NE around 5 kt after
midnight. Waves around 2 ft in the evening, then 1 foot or less.
.SAT AND SAT NIGHT...NE winds 5 to 10 kt. Waves 2 to 3 ft.
.SUN THROUGH MON NIGHT...E winds 5 to 10 kt. Waves 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.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston