Coastal Waters Forecast
Issued by NWS Boston, MA

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158
FZUS51 KBOX 150016
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
716 PM EST Fri Dec 14 2018

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

ANZ200-151300-
716 PM EST Fri Dec 14 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
An series of low pres systems track south of Southern New England
over the weekend into Monday. High pres builds back towards the
waters from the W Tue into Wed.

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.

$$

ANZ250-151300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 PM EST Fri Dec 14 2018

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt this evening.
Seas 2 to 3 ft.
.SAT...W winds 10 to 15 kt, becoming NW with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft.
.SAT NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 4 ft.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of rain.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 35 kt. Seas
5 to 8 ft. Rain likely. Vsby 1 to 3 NM.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to
8 ft. A chance of rain. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. Seas 6 to 9 ft.
.TUE...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to
9 ft.
.TUE NIGHT...NW winds 25 to 30 kt. Seas 5 to 8 ft.
.WED...W winds 15 to 20 kt. Seas 3 to 5 ft.
.WED 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.

$$

ANZ251-151300-
Massachusetts Bay and Ipswich Bay-
716 PM EST Fri Dec 14 2018

.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SAT...W winds 5 to 10 kt, becoming N with gusts up to 20 kt in
the afternoon. Seas around 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.SUN...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain.
Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Rain likely. Vsby 1 to 3 NM.
.MON...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of rain. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 6 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 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.

$$

ANZ231-151300-
Cape Cod Bay-
716 PM EST Fri Dec 14 2018

.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.SAT...W winds 5 to 10 kt, becoming N in the afternoon. Seas
around 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.SUN...E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Rain likely.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. Rain likely. Vsby 1 to 3 NM.
.MON...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain.
Vsby 1 to 3 NM.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 7 ft.
.TUE...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to
7 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 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.

$$

ANZ254-151300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 PM EST Fri Dec 14 2018

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT...SW winds 5 to 10 kt, becoming N with gusts up to 20 kt in
the afternoon. Seas 2 to 3 ft.
.SAT NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas 4 to 7 ft.
.SUN...E winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to
8 ft. Rain likely.
.SUN NIGHT...NE winds 20 to 25 kt with gusts up to 40 kt. Seas
7 to 9 ft. Rain likely. Vsby 1 to 3 NM.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to
9 ft. A chance of rain. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. Seas 6 to 9 ft.
.TUE...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 7 to
10 ft.
.TUE NIGHT...NW winds 25 to 30 kt. Seas 6 to 9 ft.
.WED...W winds 15 to 20 kt. Seas 3 to 5 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 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.

$$

ANZ255-151300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 PM EST Fri Dec 14 2018

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING...

.TONIGHT...S winds around 5 kt. Seas 2 to 3 ft.
.SAT...SW winds around 5 kt, becoming N 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 3 ft.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. A chance of rain.
.SUN...E winds 20 to 25 kt with gusts up to 40 kt. Seas 6 to
9 ft. Rain likely. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 35 kt. Seas 7 to 9 ft. Rain. Vsby
1 to 3 NM.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft. A chance of rain. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. Seas 7 to 10 ft.
.TUE...NW winds 25 to 30 kt. Seas 6 to 9 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 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.

$$

ANZ256-151300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 PM EST Fri Dec 14 2018

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers after midnight.
.SAT...W winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 3 ft.
.SAT NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt
after midnight. Gusts up to 30 kt. Seas 4 to 7 ft. A chance of
rain.
.SUN...E winds 20 to 25 kt with gusts up to 40 kt. Seas 7 to
10 ft. Rain likely. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 20 to 25 kt with gusts up to 40 kt. Seas
7 to 10 ft. Rain likely. Vsby 1 to 3 NM.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft.
.MON NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
6 to 9 ft.
.TUE...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to
9 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 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.

$$

ANZ232-151300-
Nantucket Sound-
716 PM EST Fri Dec 14 2018

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Seas around 2 ft.
.SAT...W winds around 5 kt, becoming N in the afternoon. Seas
around 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.SUN...E winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Rain likely. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 35 kt. Seas
4 to 6 ft. Rain likely. Vsby 1 to 3 NM.
.MON...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. A chance of rain.
Vsby 1 to 3 NM.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 6 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
6 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.WED NIGHT...W winds 10 to 15 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.

$$

ANZ233-151300-
Vineyard Sound-
716 PM EST Fri Dec 14 2018

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. A slight chance
of showers after midnight.
.SAT...W winds around 5 kt, becoming N in the afternoon. Seas
around 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.SUN...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. Rain likely. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 6 ft. Rain likely. Vsby 1 to 3 NM.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.WED NIGHT...W winds 10 to 15 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.

$$

ANZ234-151300-
Buzzards Bay-
716 PM EST Fri Dec 14 2018

.TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. A slight chance
of showers after midnight.
.SAT...W winds around 5 kt, becoming N in the afternoon. Seas
around 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.SUN...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Rain likely. Vsby
1 to 3 NM.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. Rain likely. Vsby 1 to 3 NM.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around
3 ft. A chance of rain.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 4 ft.
.TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 3 ft.
.WED...W winds 10 to 15 kt. Seas around 2 ft.
.WED NIGHT...W winds 5 to 10 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.

$$

ANZ235-151300-
Rhode Island Sound-
716 PM EST Fri Dec 14 2018

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers after midnight.
.SAT...W winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.SAT NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. A chance of rain.
.SUN...NE winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 5 to 8 ft. Rain likely. Vsby
1 to 3 NM.
.SUN NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas
5 to 8 ft. Rain likely. Vsby 1 to 3 NM.
.MON...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
6 ft. A chance of rain.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
4 to 6 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.TUE NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.WED 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.

$$

ANZ237-151300-
Block Island Sound-
716 PM EST Fri Dec 14 2018

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A slight chance
of showers after midnight.
.SAT...NW winds around 5 kt, becoming NE with gusts up to 20 kt
in the afternoon. Seas 2 to 3 ft. A chance of showers.
.SAT NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. A chance of
rain.
.SUN...NE winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to
8 ft. Rain likely. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 20 to 25 kt, becoming N 15 to 20 kt after
midnight. Gusts up to 35 kt. Seas 5 to 8 ft. Rain likely. Vsby
1 to 3 NM.
.MON...NW winds 10 to 15 kt, becoming W 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 6 ft.
.MON NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 6 ft.
.TUE...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft.
.WED...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.WED 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.

$$

ANZ230-151300-
Boston Harbor-
716 PM EST Fri Dec 14 2018

.TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.SAT...W winds around 5 kt, becoming N in the afternoon. Waves
1 foot or less.
.SAT NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
4 ft. A chance of rain. Vsby 1 to 3 NM.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 30 kt. Waves
2 to 4 ft. Rain likely with a chance of snow. Vsby 1 to 3 NM.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of rain.
.MON NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Waves around 2 ft, except 3 to
5 ft at the outer harbor entrance.
.TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Waves
around 2 ft.
.WED...W winds around 10 kt. Waves 1 foot or less.
.WED 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.

$$

ANZ236-151300-
Narragansett Bay-
716 PM EST Fri Dec 14 2018

.TONIGHT...S winds around 5 kt. Waves around 2 ft. A slight
chance of showers after midnight.
.SAT...W winds around 5 kt, becoming N in the afternoon. Waves
around 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 30 kt. Waves 2 to
3 ft, except 4 to 7 ft at the bay entrance. Rain likely. Vsby
1 to 3 NM.
.SUN NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 7 ft at
the bay entrance. Rain likely. Vsby 1 to 3 NM.
.MON...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. A chance of rain.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.TUE...NW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to
3 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Waves
2 to 3 ft.
.WED...W winds around 10 kt. Waves around 2 ft.
.WED NIGHT...W 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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