Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 181116
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
716 AM EDT Mon Mar 18 2019

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

ANZ200-190000-
716 AM EDT Mon Mar 18 2019

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres builds over the waters today and Tue, moving offshore Wed.
A cold front and possible low pres will move across the waters late
Thu or Thu night, followed by gusty NW winds Fri.

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.

$$

ANZ250-190000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Seas 2 to 3 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt, becoming S 15 to 20 kt in the
afternoon. Seas 2 to 3 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of rain.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of rain.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 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.

$$

ANZ251-190000-
Massachusetts Bay and Ipswich Bay-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft.
.TONIGHT...NW winds 5 to 10 kt. Seas 1 foot or less.
.TUE...NW winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...W winds around 5 kt. Seas 1 foot or less.
.WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain.
.THU NIGHT...W winds 10 to 15 kt. Seas 2 to 4 ft. A chance of
rain.
.FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ231-190000-
Cape Cod Bay-
716 AM EDT Mon Mar 18 2019

.TODAY...NW winds 5 to 10 kt. Gusts up to 20 kt this morning.
Seas around 2 ft.
.TONIGHT...W winds around 5 kt. Seas 1 foot or less.
.TUE...NW winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...S winds around 5 kt, becoming W after midnight. Seas
1 foot or less.
.WED...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of rain.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain.
.FRI...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ254-190000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...W winds around 5 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 2 to 3 ft.
.WED NIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 4 ft.
.THU...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Rain likely.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of rain.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of rain.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 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.

$$

ANZ255-190000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 5 to 10 kt. Gusts up to 20 kt this afternoon.
Seas 2 to 3 ft.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Seas 2 to 3 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...W winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas around 2 ft.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Rain likely.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of rain.
.FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of rain.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 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.

$$

ANZ256-190000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Seas 2 to 3 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of rain.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft. A chance of rain.
.FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
4 to 7 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.

$$

ANZ232-190000-
Nantucket Sound-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.TUE...NW winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...W winds around 5 kt. Seas 1 foot or less.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas around 2 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Rain likely.
.THU NIGHT...W winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ233-190000-
Vineyard Sound-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...NW winds 5 to 10 kt. Seas 1 foot or less.
.TUE NIGHT...W winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 1 foot or less.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of rain.
.FRI...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ234-190000-
Buzzards Bay-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 5 to 10 kt. Seas 1 foot or less.
.TONIGHT...W winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 1 foot or less.
.TUE...NW winds around 5 kt, becoming W in the afternoon. Seas
1 foot or less.
.TUE NIGHT...W winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 1 foot or less.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas 1 foot or less.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ235-190000-
Rhode Island Sound-
716 AM EDT Mon Mar 18 2019

.TODAY...NW winds 5 to 10 kt with gusts up to 20 kt, becoming W
10 to 15 kt this afternoon. Seas 2 to 3 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain.
.THU NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 30 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.

$$

ANZ237-190000-
Block Island Sound-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.TUE...NW winds 5 to 10 kt. Seas around 2 ft.
.TUE NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 3 ft.
.THU...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. A chance of rain.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 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.

$$

ANZ230-190000-
Boston Harbor-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds around 10 kt. Waves 1 foot or less.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 foot or less.
.TUE...NW winds 5 to 10 kt. Waves 1 foot or less.
.TUE NIGHT...S winds around 5 kt, becoming W after midnight.
Waves 1 foot or less.
.WED...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED NIGHT...S winds around 10 kt. Waves 1 foot or less.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. A chance of rain.
.THU NIGHT...W winds around 10 kt. Waves 1 foot or less.
.FRI...NW winds around 10 kt. Waves around 2 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$

ANZ236-190000-
Narragansett Bay-
716 AM EDT Mon Mar 18 2019

.TODAY...W winds 5 to 10 kt. Waves 1 foot or less.
.TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.TUE...NW winds 5 to 10 kt. Waves 1 foot or less.
.TUE NIGHT...NW winds around 5 kt. Waves 1 foot or less.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves around 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves around 2 ft.
.THU...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of rain.
.THU NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 25 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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