Coastal Waters Forecast
Issued by NWS Boston, MA

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872
FZUS51 KBOX 191717
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
117 PM EDT Tue Mar 19 2019

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

ANZ200-200600-
117 PM EDT Tue Mar 19 2019

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will build east over the coastal waters today through Wed.
Low pres develops and tracks up the eastern seaboard Thu and Fri
while intensifying into a Gale Center. NW gales develop later Fri
into Sat. High pres builds across the Mid Atlc states Sun.

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.

$$

ANZ250-200600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 2 to 3 ft.
.TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.WED...SW winds 5 to 10 kt, becoming S 10 to 15 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 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain.
.THU NIGHT...SE winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 4 to 6 ft. Rain likely.
.FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. A chance of rain.
.FRI NIGHT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas
5 to 8 ft. A chance of rain and snow showers. Vsby 1 to 3 NM.
.SAT...NW winds 25 to 30 kt with gusts up to 35 kt. Seas 6 to
8 ft.
.SAT NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
5 to 8 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.

$$

ANZ251-200600-
Massachusetts Bay and Ipswich Bay-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 1 foot or less.
.TONIGHT...N winds 5 to 10 kt, becoming SW after midnight. Seas
1 foot or less.
.WED...SW winds around 5 kt, becoming S 10 to 15 kt in the
afternoon. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 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. Vsby 1 to 3 NM.
.THU NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
2 to 4 ft. Rain likely.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Rain likely.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
3 to 5 ft. A chance of showers.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 15 to 20 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.

$$

ANZ231-200600-
Cape Cod Bay-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...N winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...E winds around 5 kt, becoming SW after midnight. Seas
1 foot or less.
.WED...SW winds around 5 kt, becoming S 10 to 15 kt in the
afternoon. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 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. A chance of rain.
.THU NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Rain likely.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
3 to 5 ft. A chance of rain and snow showers. Vsby 1 to 3 NM.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 15 to 20 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.

$$

ANZ254-200600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.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...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. A chance of rain.
.THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Rain likely.
.FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of rain.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
6 to 9 ft. A chance of showers.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
10 ft.
.SAT NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
6 to 9 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.

$$

ANZ255-200600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 20 kt.
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 4 ft.
.WED...SW winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.THU...SE winds 10 to 15 kt. Gusts up to 25 kt in the morning.
Seas 3 to 5 ft. A chance of rain.
.THU NIGHT...SE winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 4 to 6 ft. Rain likely.
.FRI...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to
8 ft. A chance of rain.
.FRI NIGHT...W winds 20 to 25 kt with gusts up to 35 kt. Seas
6 to 8 ft. A chance of showers.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to
9 ft.
.SAT NIGHT...NW winds 20 to 25 kt with gusts up to 30 kt. Seas
5 to 8 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.

$$

ANZ256-200600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 20 kt.
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 4 ft.
.WED...SW winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.THU...SE winds 10 to 15 kt. Gusts up to 25 kt in the morning.
Seas 3 to 5 ft. Rain likely.
.THU NIGHT...SE winds 10 to 15 kt, becoming NE with gusts up to
20 kt after midnight. Seas 4 to 6 ft. Rain likely.
.FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
7 ft. A chance of rain.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
6 to 8 ft.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to
8 ft.
.SAT 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.

$$

ANZ232-200600-
Nantucket Sound-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...W winds 10 to 15 kt. Seas 1 foot or less.
.TONIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas
1 foot or less.
.WED...SW winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
.THU...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. A chance of rain.
.THU NIGHT...E winds 5 to 10 kt. Seas 2 to 4 ft. Rain likely.
.FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of rain.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
3 to 5 ft. A chance of showers.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 15 to 20 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.

$$

ANZ233-200600-
Vineyard Sound-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...W winds 10 to 15 kt. Seas around 2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt,
diminishing to around 5 kt after midnight. Seas around 2 ft.
.WED...SW winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
.THU...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. A chance of rain.
.THU NIGHT...SE winds around 10 kt, becoming E after midnight.
Seas 2 to 3 ft. Rain likely.
.FRI...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of rain.
.FRI NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas
3 to 5 ft. A chance of showers.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 15 to 20 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.

$$

ANZ234-200600-
Buzzards Bay-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...W winds 10 to 15 kt. Seas 1 foot or less.
.TONIGHT...NW winds 5 to 10 kt, becoming SW after midnight. Seas
1 foot or less.
.WED...SW winds around 5 kt, increasing to 5 to 10 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft.
.THU...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Rain likely.
.THU NIGHT...SE winds 5 to 10 kt, becoming E after midnight. Seas
2 to 3 ft. Rain likely.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 3 ft. A chance of showers.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around
3 ft.
.SAT 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.

$$

ANZ235-200600-
Rhode Island Sound-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 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.
.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 with gusts up to 25 kt. Seas
2 to 3 ft.
.THU...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Rain likely.
.THU NIGHT...SE winds 10 to 15 kt, becoming NE after midnight.
Seas 3 to 5 ft. Rain likely.
.FRI...NW 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 35 kt. Seas
4 to 6 ft. A chance of showers.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.SAT 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.

$$

ANZ237-200600-
Block Island Sound-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...W winds 10 to 15 kt with gusts up to 20 kt.
Seas around 2 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.
.WED...SW winds 5 to 10 kt. Seas around 2 ft.
.WED NIGHT...S winds 5 to 10 kt. Gusts up to 25 kt after
midnight. Seas 2 to 3 ft.
.THU...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft. Rain likely.
.THU NIGHT...SE winds 5 to 10 kt, becoming NE after midnight.
Seas 3 to 5 ft. Rain likely.
.FRI...NW 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 35 kt. Seas
4 to 6 ft.
.SAT...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to
6 ft.
.SAT NIGHT...NW winds 15 to 20 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.

$$

ANZ230-200600-
Boston Harbor-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...NW winds 5 to 10 kt. Waves 1 foot or less.
.TONIGHT...N winds 10 to 15 kt, becoming SW around 5 kt after
midnight. Waves 1 foot or less.
.WED...S winds 5 to 10 kt. Waves 1 foot or less.
.WED NIGHT...S winds 5 to 10 kt. Waves around 2 ft.
.THU...S winds 5 to 10 kt with gusts up to 20 kt. Waves around
2 ft. Rain likely. Vsby 1 to 3 NM.
.THU NIGHT...S winds 5 to 10 kt, becoming NE after midnight.
Waves 1 foot or less. Rain likely.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. Rain likely.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Waves
around 2 ft. A chance of showers.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft.
.SAT NIGHT...NW winds 10 to 15 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.

$$

ANZ236-200600-
Narragansett Bay-
117 PM EDT Tue Mar 19 2019

.THIS AFTERNOON...W winds around 10 kt with gusts up to 20 kt.
Waves 1 foot or less.
.TONIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.WED...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves around 2 ft.
.WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after
midnight. Waves around 2 ft.
.THU...SE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft. Rain likely.
.THU NIGHT...SE winds 5 to 10 kt, becoming NE after midnight.
Waves 2 to 4 ft. Rain likely.
.FRI...NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of rain.
.FRI NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Waves
2 to 3 ft. A chance of showers.
.SAT...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around
3 ft.
.SAT NIGHT...NW winds 10 to 15 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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