Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 181408
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
1008 AM EDT Thu Oct 18 2018

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

ANZ200-190315-
1008 AM EDT Thu Oct 18 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
Gale force northwest wind gusts will this morning will gradually
diminish during the afternoon. A ridge of high pres will build
south of the waters Thu night and Fri. Another strong cold front
will move across the region late Sat into Sat evening...followed  by
more gusty NW winds into Sun. A ridge of high pres will build south
of the waters Mon.

For information on possible hazardous weather beyond the 24-36
hour forecast period, please visit www.weather.gov/boston and
follow the Current Hazards link above the map on the left.

$$

ANZ250-190315-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1008 AM EDT Thu Oct 18 2018

...GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...NW winds 25 to 30 kt, diminishing to 20 to
25 kt. Seas 8 to 9 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to
7 ft.
.FRI...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 5 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 5 ft.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas around
5 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 4 ft. A chance of showers in the evening.
.SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 6 to 7 ft.
.SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 6 to 7 ft.
.MON...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 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.

$$

ANZ251-190315-
Massachusetts Bay and Ipswich Bay-
1008 AM EDT Thu Oct 18 2018

...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...NW winds 20 to 25 kt, diminishing to 15 to
20 kt. Gusts up to 30 kt. Seas around 5 ft.
.TONIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 4 ft.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around
3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas
around 3 ft.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas around
3 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 4 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
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.

$$

ANZ231-190315-
Cape Cod Bay-
1008 AM EDT Thu Oct 18 2018

...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...NW winds 20 to 25 kt, diminishing to 15 to
20 kt. Gusts up to 35 kt. Seas 6 to 7 ft.
.TONIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas around 5 ft, subsiding to 3 ft
after midnight.
.FRI...SW winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to
4 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Seas
around 4 ft.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
5 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers in the evening.
.SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 5 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 5 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...W winds around 10 kt. Gusts up to 20 kt in the
evening. Seas 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.

$$

ANZ254-190315-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1008 AM EDT Thu Oct 18 2018

...GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...NW winds 25 to 30 kt, diminishing to 20 to
25 kt. Gusts up to 30 kt. Seas around 10 ft.
.TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 6 to 7 ft.
.FRI...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 5 to 6 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 6 ft.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas around
6 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
around 6 ft. A chance of showers in the evening.
.SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas 7 to 8 ft.
.SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 7 to 8 ft.
.MON...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 5 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 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.

$$

ANZ255-190315-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1008 AM EDT Thu Oct 18 2018

...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts up to 35 kt.
Seas 7 to 8 ft.
.TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 5 to 6 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW
15 to 20 kt with gusts up to 30 kt in the afternoon. Seas around
4 ft, building to 7 ft in the afternoon.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 7 ft.
.SAT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas around
8 ft. A chance of showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
7 to 8 ft. A chance of showers.
.SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas around 7 ft.
.SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 6 to 7 ft.
.MON...NW winds 15 to 20 kt, becoming W 10 to 15 kt in the
afternoon. Seas 4 to 5 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 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.

$$

ANZ256-190315-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1008 AM EDT Thu Oct 18 2018

...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...NW winds 20 to 25 kt, diminishing to 15 to
20 kt. Gusts up to 30 kt. Seas around 7 ft, subsiding to 5 ft.
.TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 4 to 5 ft.
.FRI...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas around 4 ft, building to 7 ft
in the afternoon.
.FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
7 to 8 ft.
.SAT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to
9 ft. A chance of showers.
.SAT NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
around 8 ft, subsiding to 6 ft after midnight. A chance of
showers in the evening.
.SUN...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around
7 ft.
.SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 5 to 6 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 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.

$$

ANZ232-190315-
Nantucket Sound-
1008 AM EDT Thu Oct 18 2018

...GALE WARNING IN EFFECT UNTIL NOON EDT TODAY...

.THIS AFTERNOON...NW winds 20 to 25 kt, diminishing to 15 to
20 kt. Gusts up to 30 kt. Seas 3 to 4 ft.
.TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas around 3 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW
15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to
4 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 4 ft.
.SAT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas around 4 ft. A chance of
showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 4 ft. A chance of showers in the evening.
.SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas around 4 ft.
.SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 3 to 4 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ233-190315-
Vineyard Sound-
1008 AM EDT Thu Oct 18 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Seas around 3 ft.
.TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 2 ft.
.FRI...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 5 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 6 ft.
.SAT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to
6 ft. A chance of showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. A chance of showers in the evening.
.SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around
3 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 3 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ234-190315-
Buzzards Bay-
1008 AM EDT Thu Oct 18 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 2 to 3 ft.
.TONIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW
15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 3 to
4 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 5 ft.
.SAT...SW winds 15 to 20 kt with gusts up to 35 kt. Seas around
5 ft. A chance of showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 4 ft, subsiding to 2 ft after midnight. A chance of
showers in the evening.
.SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around
3 ft.
.SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 2 to 3 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or
less, then around 2 ft in the afternoon.
.MON NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas
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.

$$

ANZ235-190315-
Rhode Island Sound-
1008 AM EDT Thu Oct 18 2018

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

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Seas around 4 ft.
.TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 4 ft.
.FRI...W winds 15 to 20 kt with gusts up to 30 kt. Seas around
4 ft, building to 6 ft in the afternoon.
.FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
6 to 7 ft.
.SAT...SW winds 20 to 25 kt with gusts up to 35 kt. Seas around
6 ft. A chance of showers.
.SAT NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 5 to 6 ft. A chance of showers
in the evening.
.SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas around 4 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 4 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 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.

$$

ANZ237-190315-
Block Island Sound-
1008 AM EDT Thu Oct 18 2018

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

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Seas 3 to 4 ft.
.TONIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt, becoming SW
15 to 20 kt with gusts up to 30 kt in the afternoon. Seas around
3 ft, building to 5 ft in the afternoon.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 6 ft.
.SAT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas around 6 ft. A chance of
showers.
.SAT NIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Gusts up to 25 kt. Seas 4 to 5 ft. A chance of showers
in the evening.
.SUN...NW winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 30 kt. Seas around 4 ft.
.SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 3 to 4 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 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.

$$

ANZ230-190315-
Boston Harbor-
1008 AM EDT Thu Oct 18 2018

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

.THIS AFTERNOON...NW winds 15 to 20 kt with gusts up to 30 kt.
Waves 2 to 3 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 25 kt,
diminishing to 5 to 10 kt after midnight. Waves around 2 ft in
the evening, then 1 foot or less.
.FRI...SW winds 5 to 10 kt with gusts up to 25 kt. Waves around
2 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft.
.SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft. A chance of showers.
.SAT NIGHT...W winds around 10 kt. Gusts up to 20 kt after
midnight. Waves 1 foot or less, then around 2 ft after midnight.
.SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft.
.SUN NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 foot or less.
.MON NIGHT...SW 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.

$$

ANZ236-190315-
Narragansett Bay-
1008 AM EDT Thu Oct 18 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...NW winds 10 to 15 kt with gusts up to 30 kt.
Waves around 2 ft, then 1 foot or less.
.TONIGHT...NW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Gusts up to 25 kt. Waves around 2 ft in the evening,
then 1 foot or less.
.FRI...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.FRI NIGHT...SW winds 10 to 15 kt with gusts up to 30 kt. Waves
around 3 ft. At the bay entrance, waves around 6 ft, subsiding to
4 ft after midnight.
.SAT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves around
3 ft. A chance of showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft. A chance of showers in the evening.
.SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Waves around
3 ft.
.SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Waves 2 to 3 ft.
.MON...W winds around 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 foot or less, then around 2 ft in the afternoon.
.MON NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after
midnight. 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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