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 161716
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
116 PM EDT Wed Aug 16 2017

COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO
25 NM

ANZ200-170600-
116 PM EDT Wed Aug 16 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
Hurricane Gert will pass well south of the waters on today and will
elevated southerly swells into today. High pressure returns  for
Thursday. A warm front will bring a chance of rain for Fri  into
Sat. High pressure will return on Sunday.

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.

$$

ANZ250-170600-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 PM EDT Wed Aug 16 2017

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 2 to 4 ft.
.TONIGHT...NW winds 5 to 10 kt. Seas 2 to 4 ft.
.THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
3 to 5 ft.
.THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight. Seas 2 to 3 ft.
.FRI...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Showers likely with a chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ251-170600-
Massachusetts Bay and Ipswich Bay-
116 PM EDT Wed Aug 16 2017

.THIS AFTERNOON...NE winds around 5 kt. Seas around 2 ft.
.TONIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...NW winds around 5 kt, becoming SW in the afternoon. Seas
2 to 3 ft.
.THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft.
.FRI...SE winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas around 2 ft. A chance of showers.
.FRI NIGHT...S winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to
3 ft. Showers likely with a chance of tstms.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.SUN...W winds around 5 kt. Seas 1 foot or less.
.SUN NIGHT...W winds around 5 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

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.

$$

ANZ231-170600-
Cape Cod Bay-
116 PM EDT Wed Aug 16 2017

.THIS AFTERNOON...NE winds 5 to 10 kt. Seas 1 foot or less.
.TONIGHT...W winds around 5 kt, becoming N after midnight. Seas
around 2 ft.
.THU...N winds around 5 kt, becoming W around 5 kt in the
afternoon. Seas around 2 ft.
.THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less.
.FRI...S winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Showers likely with a chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. A chance of
showers. Vsby 1 to 3 NM.
.SUN...W winds around 5 kt. Seas 1 foot or less.
.SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

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.

$$

ANZ254-170600-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 PM EDT Wed Aug 16 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH
THURSDAY MORNING...

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 3 to 5 ft.
.TONIGHT...W winds around 5 kt, becoming N after midnight. Seas
3 to 5 ft.
.THU...N winds around 5 kt, becoming SW in the afternoon. Seas
3 to 5 ft.
.THU NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 4 ft.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Showers likely with a chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.SUN...W winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ255-170600-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 PM EDT Wed Aug 16 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH
THURSDAY MORNING...

.THIS AFTERNOON...NW winds 5 to 10 kt. Seas 5 to 7 ft.
.TONIGHT...SW winds around 5 kt, becoming NW after midnight. Seas
4 to 7 ft.
.THU...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
2 to 4 ft.
.THU NIGHT...S winds around 5 kt. Seas 2 to 3 ft. Patchy fog.
Vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 2 to 4 ft. Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Showers likely with a chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.SUN...W winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ256-170600-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 PM EDT Wed Aug 16 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH
THURSDAY MORNING...

.THIS AFTERNOON...W winds 5 to 10 kt. Seas 5 to 7 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
4 to 6 ft.
.THU...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
3 to 5 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas around 3 ft.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
Vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft. Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft. Showers likely with a chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of
showers.
.SUN...W winds 5 to 10 kt. Seas 2 to 4 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ232-170600-
Nantucket Sound-
116 PM EDT Wed Aug 16 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT UNTIL 8 PM
EDT THIS EVENING...

.THIS AFTERNOON...N winds 5 to 10 kt. Seas 2 to 3 ft.
.TONIGHT...W winds around 5 kt, becoming N after midnight. Seas
around 2 ft.
.THU...NE winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft.
.THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.FRI...S winds 5 to 10 kt. Seas 1 foot or less.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Showers likely with a chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ233-170600-
Vineyard Sound-
116 PM EDT Wed Aug 16 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT UNTIL 8 PM
EDT THIS EVENING...

.THIS AFTERNOON...W winds 5 to 10 kt. Seas 2 to 3 ft.
.TONIGHT...SW winds around 5 kt, becoming N after midnight. Seas
2 to 3 ft.
.THU...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft.
.THU NIGHT...SW winds 5 to 10 kt. Seas 1 foot or less. Patchy
fog. Vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Showers likely with a chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.
.SUN...W winds 5 to 10 kt. Seas around 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ234-170600-
Buzzards Bay-
116 PM EDT Wed Aug 16 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT UNTIL 8 PM
EDT THIS EVENING...

.THIS AFTERNOON...W winds 5 to 10 kt. Seas around 2 ft.
.TONIGHT...SW winds around 5 kt, becoming N after midnight. Seas
around 2 ft.
.THU...N winds around 5 kt, becoming S in the afternoon. Seas
around 2 ft.
.THU NIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Seas 1 foot or less. Patchy fog. Vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt. Seas 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Showers likely with
a chance of tstms.
.SAT...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less.
.SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.

Winds and seas higher in and near tstms.

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.

$$

ANZ235-170600-
Rhode Island Sound-
116 PM EDT Wed Aug 16 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE
TONIGHT...

.THIS AFTERNOON...W winds 5 to 10 kt. Seas 4 to 6 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming N after midnight. Seas
4 to 6 ft.
.THU...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
3 to 5 ft.
.THU NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
Vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Showers likely with a chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers. Vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ237-170600-
Block Island Sound-
116 PM EDT Wed Aug 16 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE
TONIGHT...

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 4 to 6 ft.
.TONIGHT...W winds 5 to 10 kt, becoming N after midnight. Seas
3 to 5 ft.
.THU...NE winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 4 ft.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog. Vsby
1 to 3 NM.
.FRI...S winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
Vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of
showers. Vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

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.

$$

ANZ230-170600-
Boston Harbor-
116 PM EDT Wed Aug 16 2017

.THIS AFTERNOON...N winds around 5 kt. Waves 1 foot or less.
.TONIGHT...NW winds around 5 kt. Waves 1 foot or less.
.THU...NW winds around 5 kt, becoming SW in the afternoon. Waves
1 foot or less.
.THU NIGHT...S winds 5 to 10 kt, becoming SW after midnight.
Waves 1 foot or less.
.FRI...SE winds around 5 kt. Waves 1 foot or less. A chance of
showers.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Showers
likely with a chance of tstms.
.SAT...S winds 5 to 10 kt. Waves 1 foot or less. Showers likely
with a chance of tstms.
.SAT NIGHT...SW winds around 5 kt. Waves 1 foot or less. Patchy
fog. A chance of showers. Vsby 1 to 3 NM.
.SUN...W winds around 5 kt. Waves 1 foot or less.
.SUN NIGHT...W winds around 5 kt. Waves 1 foot or less.

Winds and waves higher in and near tstms.

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.

$$

ANZ236-170600-
Narragansett Bay-
116 PM EDT Wed Aug 16 2017

.THIS AFTERNOON...NW winds 5 to 10 kt. Waves 2 to 3 ft.
.TONIGHT...W winds around 5 kt, becoming N after midnight. Waves
2 to 4 ft.
.THU...N winds around 5 kt, becoming S in the afternoon. Waves
2 to 3 ft.
.THU NIGHT...SW winds 5 to 10 kt, diminishing to around 5 kt
after midnight. Waves around 2 ft. Patchy fog. Vsby 1 to 3 NM.
.FRI...S winds around 5 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves 1 foot or less. Patchy fog. A
chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft.
Showers likely with a chance of tstms.
.SAT...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft. Showers likely with a chance of tstms.
.SAT NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.
.SUN...W winds around 5 kt. Waves 1 foot or less. Patchy fog.
Vsby 1 to 3 NM.
.SUN NIGHT...W winds around 5 kt. Waves 1 foot or less.

Winds and waves higher in and near tstms.

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.