565
FZUS51 KBOX 181105
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Fri Oct 18 2024

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

ANZ200-190000-
704 AM EDT Fri Oct 18 2024

.Synopsis for Massachusetts and Rhode Island coastal waters...
Low pres well south of New England will push further offshore today
into tonight. Expect decreasing NE winds by tonight, although
significant wave heights will still be elevated. Large area of high
pres then builds in for the weekend and remains in place through
early next week.

$$

ANZ250-190000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
704 AM EDT Fri Oct 18 2024

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

.TODAY...NE winds 20 to 25 kt, diminishing to 15 to 20 kt this
afternoon. Seas 5 to 7 ft. Wave Detail: E 7 ft at 10 seconds and
NE 5 ft at 6 seconds.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming
N 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave Detail: E 7 ft
at 10 seconds and NE 2 ft at 5 seconds.
.SAT...NW winds around 5 kt, becoming SW in the afternoon. Seas
4 to 6 ft. Wave Detail: E 6 ft at 10 seconds.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: E
5 ft at 10 seconds.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: E 4 ft at 9 seconds and SW 1 foot at 2 seconds.
.MON THROUGH TUE NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 3 ft at 9 seconds and SE 1 foot at 2 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.

$$

ANZ251-190000-
Massachusetts Bay and Ipswich Bay-
704 AM EDT Fri Oct 18 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: NE 5 ft at 6 seconds and E 5 ft at 9 seconds.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming
N 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft
at 9 seconds and NE 3 ft at 6 seconds.
.SAT...W winds around 5 kt, becoming S in the afternoon. Seas
3 to 5 ft. Wave Detail: E 5 ft at 9 seconds and NE 1 foot at
4 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 10 seconds.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 9 seconds.
.MON THROUGH TUE NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: E 2 ft at 8 seconds and W 1 foot at 2 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.

$$

ANZ231-190000-
Cape Cod Bay-
704 AM EDT Fri Oct 18 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: N 4 ft at 5 seconds and E 4 ft at 10 seconds.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave
Detail: E 4 ft at 10 seconds and N 3 ft at 5 seconds.
.SAT...N winds around 5 kt, becoming S around 5 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and
N 2 ft at 5 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds and S 1 foot at 2 seconds.
.SUN AND SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and SW 1 foot at 2 seconds.
.MON THROUGH TUE NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
Wave Detail: W 1 foot at 2 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.

$$

ANZ254-190000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
704 AM EDT Fri Oct 18 2024

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

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft. Wave Detail: E 9 ft at 10 seconds and NE 6 ft at 6 seconds.
.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 6 to 9 ft. Wave Detail: E 8 ft
at 10 seconds and NE 2 ft at 6 seconds.
.SAT...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
5 to 7 ft. Wave Detail: E 7 ft at 10 seconds and NE 1 foot at
4 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 4 to 6 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 5 ft at 10 seconds,
becoming E 4 ft at 9 seconds.
.SUN AND SUN NIGHT...SW winds around 10 kt. Seas 3 to 4 ft. Wave
Detail: E 4 ft at 9 seconds.
.MON THROUGH TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
Wave Detail: SE 3 ft at 9 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.

$$

ANZ255-190000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
704 AM EDT Fri Oct 18 2024

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

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft. Wave Detail: E 8 ft at 10 seconds and N 6 ft at 6 seconds.
.TONIGHT...NE winds 20 to 25 kt with gusts up to 30 kt,
diminishing to 10 to 15 kt with gusts up to 20 kt after midnight.
Seas 6 to 9 ft, subsiding to 5 to 7 ft after midnight. Wave
Detail: E 8 ft at 10 seconds and NE 3 ft at 5 seconds, becoming E
7 ft at 10 seconds and NE 2 ft at 4 seconds.
.SAT...NE winds 10 to 15 kt, becoming E 5 to 10 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: E 6 ft at 10 seconds and
NE 1 foot at 4 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: E
5 ft at 10 seconds.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: E 4 ft at 9 seconds and W 2 ft at 3 seconds.
.MON THROUGH TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
Wave Detail: SE 3 ft at 9 seconds and SW 2 ft 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.

$$

ANZ256-190000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
704 AM EDT Fri Oct 18 2024

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

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft. Wave Detail: E 7 ft at 10 seconds and N 6 ft at 5 seconds.
.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 5 to 8 ft. Wave Detail: E 7 ft
at 10 seconds and N 4 ft at 5 seconds.
.SAT...NE winds 10 to 15 kt, becoming E around 5 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: E 6 ft at 10 seconds and
N 1 foot at 4 seconds.
.SAT NIGHT...S winds around 5 kt, becoming SW after midnight.
Seas 3 to 5 ft. Wave Detail: E 5 ft at 10 seconds.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft. Wave
Detail: E 4 ft at 9 seconds and SW 2 ft at 3 seconds.
.MON THROUGH TUE NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
Wave Detail: E 3 ft at 9 seconds and S 2 ft 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.

$$

ANZ232-190000-
Nantucket Sound-
704 AM EDT Fri Oct 18 2024

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

.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: N 4 ft at 4 seconds and E 4 ft at 10 seconds.
.TONIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: E 4 ft
at 10 seconds and NE 3 ft at 4 seconds.
.SAT...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 4 ft. Wave Detail: E 3 ft at 9 seconds and NE 1 foot at
4 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds and SW 1 foot at 3 seconds.
.SUN AND SUN NIGHT...W winds around 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and SW 1 foot at 3 seconds.
.MON THROUGH TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SW 1 foot at 4 seconds and E 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.

$$

ANZ233-190000-
Vineyard Sound-
704 AM EDT Fri Oct 18 2024

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

.TODAY...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: N 3 ft at 5 seconds and SE 2 ft at 10 seconds.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave
Detail: N 2 ft at 3 seconds and E 2 ft at 10 seconds.
.SAT...N winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 10 seconds and N 1 foot at
3 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less. Wave Detail: SE 2 ft at 10 seconds
and SW 1 foot at 2 seconds, becoming SW 1 foot at 2 seconds and
SE 1 foot at 10 seconds.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 9 seconds and SW 1 foot at 3 seconds.
.MON THROUGH TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or
less. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at
6 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.

$$

ANZ234-190000-
Buzzards Bay-
704 AM EDT Fri Oct 18 2024

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

.TODAY...N winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Wave Detail: E 3 ft at 10 seconds and N 2 ft at 5 seconds.
.TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming
N 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: N
2 ft at 4 seconds and E 2 ft at 10 seconds.
.SAT...N winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft. Wave Detail: E 2 ft at 10 seconds and N 1 foot at
3 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:
E 2 ft at 10 seconds and SW 1 foot at 2 seconds.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: E 2 ft at 9 seconds and SW 1 foot at 3 seconds.
.MON THROUGH TUE NIGHT...SE winds 5 to 10 kt. Seas 1 foot or
less. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at
6 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.

$$

ANZ235-190000-
Rhode Island Sound-
704 AM EDT Fri Oct 18 2024

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

.TODAY...N winds 20 to 25 kt, becoming NE 15 to 20 kt this
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE
5 ft at 10 seconds and N 4 ft at 4 seconds.
.TONIGHT...NE winds 15 to 20 kt with gusts up to 25 kt,
diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave
Detail: SE 5 ft at 10 seconds and N 3 ft at 4 seconds.
.SAT...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 4 ft. Wave Detail: SE 4 ft at 10 seconds and NE 2 ft at
3 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 10 seconds and SW 1 foot at 2 seconds.
.SUN AND SUN NIGHT...W winds around 10 kt. Seas around 2 ft. Wave
Detail: SE 2 ft at 10 seconds and SW 1 foot at 3 seconds.
.MON THROUGH TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SE 2 ft at 10 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.

$$

ANZ237-190000-
Block Island Sound-
704 AM EDT Fri Oct 18 2024

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

.TODAY...N winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Wave Detail: E 5 ft at 10 seconds and N 3 ft at 5 seconds.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 3 to 5 ft. Wave Detail: E 5 ft at 10 seconds and NE
2 ft at 4 seconds.
.SAT...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 4 ft. Wave Detail: E 4 ft at 10 seconds and NE 1 foot at
4 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: E
4 ft at 10 seconds.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 10 seconds and SW 1 foot at 2 seconds.
.MON THROUGH TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft.
Wave Detail: SE 2 ft at 9 seconds and SW 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.

$$

ANZ230-190000-
Boston Harbor-
704 AM EDT Fri Oct 18 2024

.TODAY...N winds 15 to 20 kt, becoming NE 10 to 15 kt this
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.TONIGHT...NE winds 5 to 10 kt, becoming N after midnight. Waves
2 to 3 ft in the evening, then 1 foot or less.
.SAT...W winds around 5 kt, becoming S in the afternoon. Waves
1 foot or less.
.SAT NIGHT...SW winds 5 to 10 kt. Waves around 2 ft in the
evening, then 1 foot or less.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.MON THROUGH TUE 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.

$$

ANZ236-190000-
Narragansett Bay-
704 AM EDT Fri Oct 18 2024

.TODAY...N winds 15 to 20 kt, becoming NE 10 to 15 kt this
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 2 to 3 ft.
.SAT...N winds around 5 kt, becoming S in the afternoon. Waves
around 2 ft.
.SAT NIGHT...SW winds around 5 kt. Waves 2 to 3 ft.
.SUN AND SUN NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.MON THROUGH TUE NIGHT...SE 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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