Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
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 151216
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
716 AM EST Thu Nov 15 2018

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

ANZ200-160100-
716 AM EST Thu Nov 15 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure drifts to the Maritimes today. A coastal storm moves
up from the Carolinas bringing rain and snow and strong winds to
the waters late today through Friday. High pressure returns for  the
weekend. A cold front moves through on Monday.

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.

$$

ANZ250-160100-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
AFTERNOON...

.TODAY...N winds 5 to 10 kt, becoming E this afternoon. Seas 2 to
4 ft.
.TONIGHT...E winds 15 to 20 kt with gusts up to 30 kt, increasing
to 30 to 35 kt with gusts up to 45 kt after midnight. Seas 6 to
9 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI...E winds 25 to 30 kt, becoming NW in the afternoon. Gusts
up to 45 kt. Seas 10 to 15 ft. Patchy fog. Rain. Vsby 1 NM or
less.
.FRI NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 7 to 10 ft.
.SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.
.MON...W 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.
.MON 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.

$$

ANZ251-160100-
Massachusetts Bay and Ipswich Bay-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
AFTERNOON...

.TODAY...N winds 5 to 10 kt, becoming E this afternoon. Seas
around 2 ft. A chance of rain this afternoon.
.TONIGHT...E winds 15 to 20 kt with gusts up to 25 kt, increasing
to 25 to 30 kt with gusts up to 40 kt after midnight. Seas 4 to
7 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI...NE winds 25 to 30 kt, becoming NW 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 8 to 11 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.FRI NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Gusts up to 30 kt. Seas 5 to 8 ft.
.SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SUN...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance
of rain and snow. Vsby 1 to 3 NM.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of rain. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$

ANZ231-160100-
Cape Cod Bay-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
AFTERNOON...

.TODAY...N winds 5 to 10 kt, becoming E this afternoon. Seas
around 2 ft. A chance of rain this afternoon.
.TONIGHT...E winds 15 to 20 kt with gusts up to 30 kt, increasing
to 25 to 30 kt with gusts up to 45 kt after midnight. Seas 3 to
5 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI...S winds 25 to 30 kt, becoming NW 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 4 to 6 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.SUN...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. A chance
of rain. Vsby 1 to 3 NM.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. A chance of rain. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$

ANZ254-160100-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 3 to 5 ft. A chance of rain this
afternoon.
.TONIGHT...E winds 20 to 25 kt with gusts up to 35 kt, increasing
to 25 to 35 kt with gusts up to 50 kt after midnight. Seas 7 to
10 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI...SE winds 25 to 30 kt, becoming NW 20 to 25 kt in the
afternoon. Gusts up to 45 kt. Seas 10 to 15 ft. Patchy fog. A
chance of rain. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
7 to 10 ft.
.SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 4 to 7 ft.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft.
.SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
rain.
.MON...SW winds 10 to 15 kt with gusts up to 20 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.

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.

$$

ANZ255-160100-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 4 ft. Rain likely this
afternoon.
.TONIGHT...E winds 25 to 35 kt. Gusts up to 40 kt, increasing to
50 kt after midnight. Seas 7 to 10 ft. Patchy fog. Rain. Vsby
1 to 3 NM.
.FRI...S winds 25 to 30 kt, becoming W in the afternoon. Gusts up
to 45 kt. Seas 9 to 14 ft. Patchy fog. A chance of rain. Vsby
1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
7 to 10 ft.
.SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 5 to 8 ft.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.MON 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.

$$

ANZ256-160100-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 10 to 15 kt, becoming E 15 to 20 kt this
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Rain this
afternoon.
.TONIGHT...E winds 25 to 35 kt with gusts up to 45 kt. Seas 9 to
12 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI...SW winds 25 to 30 kt, becoming NW in the afternoon. Gusts
up to 40 kt. Seas 10 to 15 ft. Patchy fog. Rain likely. Vsby 1 to
3 NM.
.FRI NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 30 kt. Seas 7 to 10 ft.
.SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 4 to 7 ft.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.SUN...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.MON 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.

$$

ANZ232-160100-
Nantucket Sound-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft. Rain likely this
afternoon.
.TONIGHT...E winds 20 to 25 kt with gusts up to 35 kt, increasing
to 25 to 30 kt with gusts up to 45 kt after midnight. Seas 3 to
5 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI...S winds 25 to 30 kt, becoming NW 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 4 to 6 ft. Patchy fog. Rain
likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SUN...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$

ANZ233-160100-
Vineyard Sound-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas around 2 ft. Rain likely this
afternoon.
.TONIGHT...E winds 20 to 25 kt with gusts up to 35 kt, increasing
to 25 to 30 kt with gusts up to 45 kt after midnight. Seas 2 to
4 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI...S winds 20 to 25 kt, becoming NW in the afternoon. Gusts
up to 40 kt. Seas 3 to 5 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft.
.SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SAT NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas
around 2 ft.
.SUN...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$

ANZ234-160100-
Buzzards Bay-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 1 foot or less. Rain likely this
afternoon.
.TONIGHT...E winds 20 to 25 kt with gusts up to 35 kt, increasing
to 25 to 30 kt with gusts up to 45 kt after midnight. Seas 3 to
5 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI...S winds 20 to 25 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 3 to 5 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 4 ft.
.SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN...NW winds 5 to 10 kt. Seas 1 foot or less.
.SUN NIGHT...S winds 5 to 10 kt. Seas 1 foot or less.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$

ANZ235-160100-
Rhode Island Sound-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 4 ft. Rain likely this
afternoon.
.TONIGHT...E winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to
9 ft. Patchy fog. Rain. Vsby 1 to 3 NM.
.FRI...S winds 25 to 30 kt, becoming NW 20 to 25 kt in the
afternoon. Gusts up to 40 kt. Seas 8 to 11 ft. Patchy fog. Rain.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
5 to 8 ft.
.SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft.
.SAT NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.SUN...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$

ANZ237-160100-
Block Island Sound-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.TODAY...NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 2 to 4 ft. Rain this afternoon.
.TONIGHT...E winds 20 to 25 kt, increasing to 25 to 30 kt after
midnight. Gusts up to 45 kt. Seas 6 to 9 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.FRI...SW winds 20 to 25 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 40 kt. Seas 7 to 10 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft.
.SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...NW winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 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.

$$

ANZ230-160100-
Boston Harbor-
716 AM EST Thu Nov 15 2018

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
AFTERNOON...

.TODAY...N winds around 5 kt, becoming E this afternoon. Waves
1 foot or less. A chance of snow this afternoon.
.TONIGHT...E winds 10 to 15 kt with gusts up to 25 kt, increasing
to 20 to 25 kt with gusts up to 35 kt after midnight. Waves 3 to
5 ft. Patchy fog. Rain, snow and sleet. Vsby 1 to 3 NM.
.FRI...NE winds 20 to 25 kt, becoming NW 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Waves 4 to 6 ft. Patchy fog. Rain.
Vsby 1 to 3 NM.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
around 2 ft, except 4 to 6 ft at the outer harbor entrance.
.SAT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.SUN...NW winds 5 to 10 kt. Waves 1 foot or less.
.SUN NIGHT...S winds around 5 kt. Waves 1 foot or less. A chance
of snow and rain. Vsby 1 to 3 NM.
.MON...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of
rain and snow. Vsby 1 to 3 NM.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 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.

$$

ANZ236-160100-
Narragansett Bay-
716 AM EST Thu Nov 15 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH FRIDAY EVENING...

.TODAY...NE winds 5 to 10 kt. Waves around 2 ft. Rain likely, a
chance of snow and sleet this afternoon.
.TONIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 30 kt. Waves 2 to 3 ft, except 4 to 7 ft at
the bay entrance. Patchy fog. Rain and sleet. Vsby 1 to 3 NM.
.FRI...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Waves 3 to 5 ft, except 5 to 8 ft
at the bay entrance. Patchy fog. Rain likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 4 ft.
.SAT...W winds 5 to 10 kt. Gusts up to 20 kt in the morning.
Waves 2 to 3 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves around 2 ft.
.SUN...NW winds around 5 kt. Waves 1 foot or less.
.SUN NIGHT...SW winds around 5 kt. Waves 1 foot or less.
.MON...W winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Vsby
1 to 3 NM.
.MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 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.

$$

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.