Coastal Waters Forecast
Issued by NWS Boston, MA

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000
FZUS51 KBOX 160516
CWFBOX

Coastal Waters Forecast
National Weather Service Boston/Norton MA
116 AM EDT Thu Aug 16 2018

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

ANZ200-161800-
116 AM EDT Thu Aug 16 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
A cold front will approach from the N-NW tonight and Thu, only to
return N as a warm front on Fri. An area of low pres will head  east
across northern New England on Sat dragging its attendant  cold
front across the waters. High pres will follow, building over
northern New England and Nova Scotia on Sun and Mon.

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.

$$

ANZ250-161800-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft.
.THU NIGHT...S winds around 5 kt, becoming NE after midnight.
Seas around 2 ft.
.FRI...E winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.FRI NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. A chance of showers and tstms. Some tstms
may produce heavy rainfall.
.SAT...SW winds 15 to 20 kt, becoming NW 20 to 25 kt in the
afternoon. Seas 2 to 4 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall.
.SAT NIGHT...N winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.MON...NE winds around 10 kt. Seas 4 to 6 ft.
.MON NIGHT...E winds 5 to 10 kt. Seas 3 to 5 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.

$$

ANZ251-161800-
Massachusetts Bay and Ipswich Bay-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.THU...W winds 5 to 10 kt, becoming S in the afternoon. Seas
around 2 ft.
.THU NIGHT...SE winds around 5 kt, becoming NE after midnight.
Seas 1 foot or less.
.FRI...SE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. A chance of showers and tstms. Some tstms may
produce heavy rainfall.
.FRI NIGHT...S winds 15 to 20 kt. Seas 2 to 3 ft. Patchy fog. A
chance of showers and tstms. Some tstms may produce heavy
rainfall.
.SAT...SW winds 15 to 20 kt, becoming NW in the afternoon. Gusts
up to 25 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall.
.SAT NIGHT...N winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Seas 2 to 4 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.MON...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.MON NIGHT...E 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.

$$

ANZ231-161800-
Cape Cod Bay-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.THU...W winds 5 to 10 kt, becoming SE in the afternoon. Seas
1 foot or less.
.THU NIGHT...S winds around 5 kt. Seas 1 foot or less.
.FRI...SE winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 3 ft. Patchy fog. A chance of showers and tstms. Some tstms
may produce heavy rainfall.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. A chance of showers and tstms. Some tstms may
produce heavy rainfall.
.SAT NIGHT...N winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.MON...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.MON NIGHT...NE 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.

$$

ANZ254-161800-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.THU...W winds 5 to 10 kt. Seas 2 to 4 ft.
.THU NIGHT...SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft.
.FRI...S winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S winds 15 to 20 kt, becoming SW 20 to 25 kt after
midnight. Seas 3 to 5 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.SAT...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.SAT NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.SUN...NE winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 6 ft.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas 4 to 6 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.

$$

ANZ255-161800-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
116 AM EDT Thu Aug 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.REST OF TONIGHT...W winds around 10 kt. Seas 3 to 5 ft.
.THU...W winds around 10 kt. Seas 2 to 4 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI...S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 3 ft.
.FRI NIGHT...SW winds 20 to 25 kt. Seas 3 to 5 ft. Patchy fog. A
chance of showers and tstms. Some tstms may produce heavy
rainfall. Vsby 1 to 3 NM.
.SAT...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the
afternoon. Seas 3 to 5 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.SAT NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.SUN...NE winds around 15 kt with gusts up to 25 kt. Seas 4 to
6 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.MON NIGHT...NE winds 5 to 10 kt. Seas 3 to 5 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.

$$

ANZ256-161800-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
116 AM EDT Thu Aug 16 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 4 ft.
.THU...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 3 to 4 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W 5 to 10 kt after midnight. Seas 3 to 4 ft.
.FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 3 ft.
.FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. Patchy fog. A chance of showers and tstms. Some tstms
may produce heavy rainfall. Vsby 1 to 3 NM.
.SAT...W winds 20 to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance
of showers and tstms. Some tstms may produce heavy rainfall. Vsby
1 to 3 NM.
.SAT NIGHT...NW winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.SUN...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
7 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 6 ft.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
6 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 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.

$$

ANZ232-161800-
Nantucket Sound-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...W winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft.
.FRI...SE 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.
.FRI NIGHT...S winds 20 to 25 kt, becoming SW 15 to 20 kt after
midnight. Seas 2 to 4 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.SAT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog. A chance of showers and tstms. Some tstms may
produce heavy rainfall. Vsby 1 to 3 NM.
.SAT NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.MON NIGHT...NE 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.

$$

ANZ233-161800-
Vineyard Sound-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.THU...W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft.
.FRI NIGHT...SW winds 20 to 25 kt. Seas 2 to 4 ft. Patchy fog.
Showers likely with a chance of tstms. Some tstms may produce
heavy rainfall. Vsby 1 to 3 NM.
.SAT...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the
afternoon. Seas 2 to 4 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.SAT NIGHT...NW winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.
.SUN...NE winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...NE 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.

$$

ANZ234-161800-
Buzzards Bay-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.THU...W winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
around 2 ft.
.FRI...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas around 2 ft.
.FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
3 ft. Patchy fog. A chance of showers and tstms. Some tstms may
produce heavy rainfall. Vsby 1 to 3 NM.
.SAT NIGHT...NW winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft.
.MON...NE winds around 10 kt. Seas around 2 ft.
.MON NIGHT...NE 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.

$$

ANZ235-161800-
Rhode Island Sound-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.THU...W winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 3 ft.
.THU NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft.
.FRI...SE winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 2 to 4 ft.
.FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas
3 to 5 ft. Patchy fog. A chance of showers and tstms. Some tstms
may produce heavy rainfall. Vsby 1 to 3 NM.
.SAT...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the
afternoon. Seas 2 to 4 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall. Vsby 1 to 3 NM.
.SAT NIGHT...NW winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.MON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft.
.MON NIGHT...NE 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.

$$

ANZ237-161800-
Block Island Sound-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft.
.THU...W winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...S 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.
.FRI NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Seas 3 to 5 ft. Patchy fog. A chance of showers
and tstms. Some tstms may produce heavy rainfall.
.SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Patchy fog. A chance of showers and tstms. Some tstms may
produce heavy rainfall.
.SAT NIGHT...NW winds 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
.SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
5 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 5 ft.
.MON...NE winds 5 to 10 kt. Seas 2 to 4 ft.
.MON NIGHT...E 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.

$$

ANZ230-161800-
Boston Harbor-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds around 5 kt. Waves 1 foot or less.
.THU...W winds around 5 kt. Waves 1 foot or less.
.THU NIGHT...NE winds around 5 kt. Waves 1 foot or less.
.FRI...SE winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers and tstms. Some tstms may produce heavy rainfall.
.FRI NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. Patchy fog. A chance of showers and
tstms. Some tstms may produce heavy rainfall.
.SAT...W winds 15 to 20 kt. Waves around 2 ft. Patchy fog. A
chance of showers and tstms. Some tstms may produce heavy
rainfall.
.SAT NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, becoming
NE 5 to 10 kt after midnight. Waves 2 to 3 ft. A chance of
showers.
.SUN...NE winds 5 to 10 kt with gusts up to 20 kt. Waves 2 to
4 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 foot or less, except
2 to 4 ft at the outer harbor entrance.
.MON...NE winds around 5 kt. Waves 1 foot or less.
.MON NIGHT...E 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.

$$

ANZ236-161800-
Narragansett Bay-
116 AM EDT Thu Aug 16 2018

.REST OF TONIGHT...W winds around 5 kt. Waves 2 to 3 ft.
.THU...W winds 5 to 10 kt. Waves 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Waves 2 to 3 ft.
.FRI...SE winds around 5 kt, becoming S in the afternoon. Waves
around 2 ft.
.FRI NIGHT...SW winds 15 to 20 kt. Waves 2 to 4 ft. Patchy fog. A
chance of showers and tstms. Some tstms may produce heavy
rainfall.
.SAT...W winds 15 to 20 kt. Waves 2 to 3 ft. Patchy fog. A chance
of showers and tstms. Some tstms may produce heavy rainfall.
.SAT NIGHT...NW winds 15 to 20 kt, becoming NE 5 to 10 kt after
midnight. Waves 2 to 3 ft. A chance of showers.
.SUN...NE winds around 10 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.SUN NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.MON...NE winds 5 to 10 kt. Waves around 2 ft.
.MON NIGHT...NE winds 5 to 10 kt. Waves around 2 ft.

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.

$$

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