Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS51 KBOX 190016
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
716 PM EST Sun Feb 18 2018

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

ANZ200-191300-
716 PM EST Sun Feb 18 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pres will build across the waters tonight. The high will  move
offshore Mon, then a warm front approaching from the SW will lift N
of the waters Tue. A cold front will sweep across the  waters early
Thu. High pres builds over the waters Thu night and  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.

$$

ANZ250-191300-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 PM EST Sun Feb 18 2018

.TONIGHT...NW winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 4 ft.
.MON...S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.WED...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI...E winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of rain.

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.

$$

ANZ251-191300-
Massachusetts Bay and Ipswich Bay-
716 PM EST Sun Feb 18 2018

.TONIGHT...W winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft.
.MON...S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. A chance of showers.
.MON NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers
likely. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby 1 to
3 NM.
.TUE NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas around 2 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming NW 5 to 10 kt after midnight. Seas around 2 ft. A chance
of showers.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas around 2 ft. A chance of
rain. Vsby 1 to 3 NM.

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.

$$

ANZ231-191300-
Cape Cod Bay-
716 PM EST Sun Feb 18 2018

.TONIGHT...W winds around 5 kt, becoming S after midnight. Seas
2 to 3 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Patchy fog. Showers likely. Vsby 1 NM or less.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas around
2 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI...E winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
rain.

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.

$$

ANZ254-191300-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 PM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...

.TONIGHT...NW winds 5 to 10 kt, becoming S after midnight. Seas
3 to 5 ft.
.MON...S winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to
5 ft. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.WED...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 6 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. A chance of showers.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. A chance of showers.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.FRI...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.FRI NIGHT...SE winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of rain.

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.

$$

ANZ255-191300-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 PM EST Sun Feb 18 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...

.TONIGHT...NW winds 5 to 10 kt, becoming SE after midnight. Seas
2 to 4 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 4 ft. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
4 to 7 ft.
.WED...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft. A chance of showers.
.THU...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.FRI...NE winds around 10 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
rain.

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.

$$

ANZ256-191300-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 PM EST Sun Feb 18 2018

.TONIGHT...NW winds 5 to 10 kt, becoming SE after midnight. Seas
3 to 5 ft.
.MON...S winds 10 to 15 kt. Gusts up to 20 kt in the morning.
Seas 2 to 4 ft. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
5 to 7 ft.
.WED...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas 4 to
6 ft. A chance of showers.
.THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. A chance of showers.
.FRI...E winds around 10 kt. Seas around 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
rain.

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.

$$

ANZ232-191300-
Nantucket Sound-
716 PM EST Sun Feb 18 2018

.TONIGHT...W winds around 5 kt, becoming S after midnight. Seas
1 foot or less.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain. Vsby 1 to 3 NM.

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.

$$

ANZ233-191300-
Vineyard Sound-
716 PM EST Sun Feb 18 2018

.TONIGHT...W winds around 5 kt, becoming SE around 5 kt after
midnight. Seas around 2 ft.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.WED...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.THU...N winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. A chance of showers.
.THU NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
2 to 3 ft. A chance of showers.
.FRI...NE winds around 10 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
rain.

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.

$$

ANZ234-191300-
Buzzards Bay-
716 PM EST Sun Feb 18 2018

.TONIGHT...W winds around 5 kt, becoming SE after midnight. Seas
1 foot or less.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of
showers.
.THU...N winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.FRI...NE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. A chance of
rain. Vsby 1 to 3 NM.

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.

$$

ANZ235-191300-
Rhode Island Sound-
716 PM EST Sun Feb 18 2018

.TONIGHT...W winds around 5 kt, becoming SE after midnight. Seas
2 to 4 ft.
.MON...S winds 5 to 10 kt with gusts up to 20 kt, increasing to
10 to 15 kt in the afternoon. Seas 2 to 3 ft. A chance of
showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 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. A chance of showers.
.THU...N winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.
A chance of showers.
.THU NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas
2 to 4 ft. A chance of showers.
.FRI...E winds around 10 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.

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.

$$

ANZ237-191300-
Block Island Sound-
716 PM EST Sun Feb 18 2018

.TONIGHT...NW winds around 5 kt, becoming SE around 5 kt after
midnight. Seas 2 to 4 ft.
.MON...S winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas
2 to 3 ft. A chance of showers.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 NM or less.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.WED...SW winds 10 to 15 kt with gusts up to 25 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. A chance of showers.
.THU...N winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers.
.FRI...E winds around 10 kt. Seas 2 to 3 ft. A chance of rain.
.FRI NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.

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.

$$

ANZ230-191300-
Boston Harbor-
716 PM EST Sun Feb 18 2018

.TONIGHT...W winds around 5 kt, becoming SW after midnight. Waves
1 foot or less.
.MON...S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Waves around 2 ft. A chance of
showers.
.MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft. Patchy fog.
Showers likely. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt. Waves 1 foot or less. Patchy fog.
Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.WED...SW winds around 10 kt with gusts up to 20 kt. Waves around
2 ft.
.WED NIGHT...W winds around 10 kt. Waves 1 foot or less. A chance
of showers.
.THU...N winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.THU NIGHT...NE winds around 5 kt. Waves 1 foot or less.
.FRI...E winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...S winds around 5 kt. Waves 1 foot or less. A chance
of rain. Vsby 1 to 3 NM.

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.

$$

ANZ236-191300-
Narragansett Bay-
716 PM EST Sun Feb 18 2018

.TONIGHT...NW winds around 5 kt, becoming SE after midnight.
Waves 2 to 3 ft.
.MON...S winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
3 ft. A chance of showers.
.MON NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft.
.WED...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.WED NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM.
.THU...N winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers.
Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.FRI...E winds 5 to 10 kt. Waves around 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves around 2 ft. A chance of
rain. Vsby 1 to 3 NM.

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.

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/NWSBoston

You can follow us on Twitter at
@NWSBoston




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.