693
FZUS51 KBOX 261403
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1003 AM EDT Thu Sep 26 2024

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

ANZ200-270300-
1003 AM 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.

$$

ANZ250-270300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1003 AM 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. A slight chance of showers, then a chance of showers
with isolated tstms with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 25 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. Showers likely in the
evening. A chance of showers after midnight. Vsby 1 NM or less,
increasing to 1 to 3 NM after midnight.
.FRI...NW 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.

$$

ANZ251-270300-
Massachusetts Bay and Ipswich Bay-
1003 AM 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. A slight
chance of showers, then a chance of showers with isolated tstms
with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W around 5 kt after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft
at 11 seconds and S 1 foot at 4 seconds. Showers likely in the
evening. A chance of showers after midnight. Vsby 1 to 3 NM in
the evening.
.FRI...W winds 5 to 10 kt, becoming SW in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 11 seconds.
.FRI NIGHT...S 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.

$$

ANZ231-270300-
Cape Cod Bay-
1003 AM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds 10 to 15 kt. Gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: E 3 ft at 11 seconds and SE 1 foot at
2 seconds. A chance of showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
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. A chance of showers in the
evening. Showers likely after midnight.
.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. A chance of showers in
the morning.
.FRI NIGHT...S winds around 5 kt, becoming NW 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.

$$

ANZ254-270300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1003 AM EDT Thu Sep 26 2024

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

.THIS AFTERNOON...SE winds 10 to 15 kt with gusts up to 20 kt.
Seas 5 to 7 ft. Wave Detail: E 7 ft at 11 seconds and S 1 foot at
3 seconds. A slight chance of 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. A chance of showers in the evening.
Showers likely after midnight. Vsby 1 to 3 NM.
.FRI...NW winds 5 to 10 kt, diminishing to around 5 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: E 5 ft at 11 seconds. A
chance of showers in the morning.
.FRI NIGHT...SW winds around 5 kt, becoming NW around 5 kt 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.

$$

ANZ255-270300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1003 AM EDT Thu Sep 26 2024

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

.THIS AFTERNOON...SE winds around 10 kt. 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.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft at
11 seconds and S 2 ft at 3 seconds. A chance of showers after
midnight with vsby 1 to 3 NM.
.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.
A chance of showers in the morning.
.FRI NIGHT...SE 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.

$$

ANZ256-270300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1003 AM EDT Thu Sep 26 2024

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

.THIS AFTERNOON...SE 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. A slight chance of showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW after midnight. Seas 4 to 5 ft. Wave Detail: E 5 ft at
11 seconds and S 2 ft at 4 seconds. A chance of showers after
midnight with vsby 1 to 3 NM.
.FRI...N winds 5 to 10 kt, becoming S in the afternoon. Seas 3 to
5 ft. Wave Detail: E 4 ft at 11 seconds and SW 1 foot at
4 seconds. A chance of 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.

$$

ANZ232-270300-
Nantucket Sound-
1003 AM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds 10 to 15 kt. Gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: E 3 ft at 12 seconds and SE 1 foot at
2 seconds. A slight chance of showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
after midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at 12 seconds
and S 2 ft at 3 seconds. A chance of showers in the evening, then
showers likely 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. A chance of showers in the morning.
.FRI NIGHT...S winds around 5 kt, becoming N 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.

$$

ANZ233-270300-
Vineyard Sound-
1003 AM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds 10 to 15 kt. Gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SE 2 ft at 11 seconds and SE 1 foot at
2 seconds. A chance of showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
after midnight. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds
and SE 2 ft at 11 seconds. A chance of showers in the evening,
then showers likely after midnight with vsby 1 to 3 NM.
.FRI...NW 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. A chance of showers in the morning.
.FRI NIGHT...S winds around 5 kt, becoming E 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.

$$

ANZ234-270300-
Buzzards Bay-
1003 AM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds 10 to 15 kt. Gusts up to 20 kt. Seas
around 2 ft. Wave Detail: E 2 ft at 11 seconds and S 1 foot at
2 seconds. A chance of showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
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. A chance of showers in the
evening, then showers likely after midnight.
.FRI...NW 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. A chance of showers in the morning.
.FRI NIGHT...SW winds around 5 kt, becoming NE after midnight.
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.

$$

ANZ235-270300-
Rhode Island Sound-
1003 AM 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. A chance of showers.
.TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming W
after midnight. Seas 2 to 4 ft. Wave Detail: SE 4 ft at
12 seconds and S 3 ft at 4 seconds. A chance of showers in the
evening, then showers likely after midnight with vsby 1 to 3 NM.
.FRI...N winds 5 to 10 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. A chance of 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 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.

$$

ANZ237-270300-
Block Island Sound-
1003 AM 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. A chance of showers.
.TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming
W 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. A chance of showers in the
evening, then showers likely after midnight.
.FRI...N winds around 5 kt, becoming S around 5 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 11 seconds and
S 1 foot at 4 seconds. A chance of 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.

$$

ANZ230-270300-
Boston Harbor-
1003 AM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds around 10 kt. Gusts up to 20 kt. Waves
around 2 ft. A slight chance of showers, then a chance of showers
with a slight chance of tstms with vsby 1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming
NW after midnight. Waves around 2 ft in the evening, then 1 foot
or less. Showers in the evening. A chance of showers after
midnight. Vsby 1 to 3 NM in the evening.
.FRI...W winds around 5 kt, becoming SW around 5 kt in the
afternoon. Waves 2 to 3 ft in the morning, then 1 foot or less.
.FRI NIGHT...S 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.

$$

ANZ236-270300-
Narragansett Bay-
1003 AM EDT Thu Sep 26 2024

.THIS AFTERNOON...S winds around 10 kt. Gusts up to 20 kt. Waves
around 2 ft. A slight chance of showers, then a chance of
showers.
.TONIGHT...SW winds 5 to 10 kt with gusts up to 20 kt, becoming W
after midnight. Waves around 2 ft. A chance of showers in the
evening. Showers likely after midnight.
.FRI...NW winds around 5 kt, becoming SW in the afternoon. Waves
around 2 ft. A chance of showers in the morning.
.FRI NIGHT...S winds around 5 kt, becoming NE 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.

$$

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