Coastal Waters Forecast
Issued by NWS Boston, MA

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438
FZUS51 KBOX 231116
CWFBOX

Coastal Waters Forecast
National Weather Service Taunton MA
716 AM EDT Mon Oct 23 2017

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

ANZ200-240000-
716 AM EDT Mon Oct 23 2017

.Synopsis for Massachusetts and Rhode Island coastal waters...
Strong high pres will move farther E of New England today. A  strong
cold front approaches from the W late Tue, then lingers  around the
region into Thu morning. Strong winds possible Tue into Wed,
especially across the srn coastal waters. Brief high pres  expected
for 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.

$$

ANZ250-240000-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
MORNING...

.TODAY...S winds around 5 kt, increasing to 5 to 10 kt this
afternoon. Seas around 2 ft. Patchy dense fog this morning, then
patchy fog this afternoon. Vsby 1 NM or less.
.TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt, increasing to
30 kt after midnight. Seas 2 to 4 ft.
.TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. A chance of showers.
.TUE NIGHT...S winds 20 to 25 kt. Gusts up to 30 kt, increasing
to 40 kt after midnight. Seas 6 to 9 ft. Patchy fog. Showers
likely with a chance of tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 7 to 10 ft. Patchy fog.
Showers with a chance of tstms. Some tstms may produce gusty
winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas
6 to 9 ft. Showers. Vsby 1 to 3 NM.
.THU...SW winds 5 to 10 kt. Seas 4 to 6 ft. A chance of showers.
.THU NIGHT...W winds around 10 kt. Seas 3 to 5 ft.
.FRI...W winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...S 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.

$$

ANZ251-240000-
Massachusetts Bay and Ipswich Bay-
716 AM EDT Mon Oct 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

.TODAY...S winds around 5 kt, increasing to 5 to 10 kt this
afternoon. Seas around 2 ft. Patchy dense fog this morning, then
patchy fog this afternoon. Vsby 1 NM or less.
.TONIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 2 to 4 ft.
.TUE...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Patchy fog. A chance of showers.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
4 to 7 ft. Patchy fog. Showers.
.WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to
7 ft. Patchy fog. Showers with a chance of tstms. Some tstms may
produce gusty winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight. Seas 4 to 6 ft. Showers. Vsby 1 to
3 NM.
.THU...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S 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.

$$

ANZ231-240000-
Cape Cod Bay-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

.TODAY...S winds around 5 kt, increasing to 5 to 10 kt this
afternoon. Seas 1 foot or less. Patchy dense fog this morning
with vsby 1 NM or less.
.TONIGHT...S winds 5 to 10 kt with gusts up to 20 kt, increasing
to 10 to 15 kt with gusts up to 30 kt after midnight. Seas 2 to
3 ft.
.TUE...S winds 10 to 15 kt with gusts up to 35 kt. Seas around
3 ft. A chance of showers.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 35 kt. Seas
3 to 5 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce gusty winds, and heavy rainfall.
.WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to
4 ft. Patchy fog. Showers with a chance of tstms. Some tstms may
produce gusty winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 3 ft. Showers. Vsby 1 to 3 NM.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Seas around 2 ft.
.FRI...W winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...S 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.

$$

ANZ254-240000-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
MORNING...

.TODAY...S winds around 5 kt, increasing to 5 to 10 kt this
afternoon. Seas 2 to 3 ft. Patchy fog this morning with vsby 1 NM
or less.
.TONIGHT...S winds 5 to 10 kt, becoming SE 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 3 to 5 ft.
.TUE...SE winds 10 to 15 kt, becoming S 15 to 20 kt in the
afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. A chance of
showers.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas
6 to 9 ft. Patchy fog. Showers likely with a chance of tstms.
Some tstms may produce gusty winds, and heavy rainfall.
.WED...S winds 15 to 20 kt with gusts up to 35 kt. Seas 7 to
10 ft. Patchy fog. Showers with a chance of tstms. Some tstms may
produce gusty winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Gusts up to 25 kt. Seas 6 to 9 ft. Showers. Vsby 1 to
3 NM.
.THU...SW winds 5 to 10 kt. Seas 5 to 8 ft. Showers likely.
.THU NIGHT...W winds 5 to 10 kt. Seas 4 to 6 ft.
.FRI...NW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.
.FRI NIGHT...S 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.

$$

ANZ255-240000-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

.TODAY...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog this
morning with vsby 1 NM or less.
.TONIGHT...SE winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.TUE...SE winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to
8 ft. A chance of showers.
.TUE NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 8 to 11 ft. Patchy fog. Showers
likely with a chance of tstms. Some tstms may produce gusty
winds, and heavy rainfall.
.WED...S winds 20 to 25 kt with gusts up to 35 kt, diminishing to
15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 9 to
12 ft. Patchy fog. Showers with a chance of tstms. Some tstms may
produce gusty winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
8 to 11 ft. Showers. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Seas 5 to 8 ft. A chance of showers.
.THU NIGHT...NW winds around 10 kt. Seas 4 to 6 ft.
.FRI...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...S 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.

$$

ANZ256-240000-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

.TODAY...SE winds 5 to 10 kt. Seas 2 to 3 ft. Patchy fog this
morning with vsby 1 NM or less.
.TONIGHT...SE winds 10 to 15 kt with gusts up to 30 kt. Seas 3 to
5 ft.
.TUE...S winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to
9 ft. Patchy fog. A chance of showers.
.TUE NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 8 to 11 ft. Patchy fog. Showers
with a chance of tstms. Some tstms may produce gusty winds, and
heavy rainfall. Vsby 1 to 3 NM.
.WED...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 9 to 12 ft. Patchy fog.
Showers with a chance of tstms. Some tstms may produce gusty
winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
8 to 11 ft. Showers likely. Vsby 1 to 3 NM.
.THU...W winds 10 to 15 kt. Seas 5 to 8 ft. A chance of showers.
.THU NIGHT...NW winds around 10 kt. Seas 4 to 6 ft.
.FRI...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...S winds 5 to 10 kt. Seas 3 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.

$$

ANZ232-240000-
Nantucket Sound-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

.TODAY...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy fog
this morning with vsby 1 NM or less.
.TONIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.TUE...S winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to
4 ft. A chance of showers.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 35 kt. Seas
3 to 5 ft. Patchy fog. Showers with a chance of tstms. Some tstms
may produce gusty winds, and heavy rainfall.
.WED...S winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to
5 ft. Patchy fog. Showers with a chance of tstms. Some tstms may
produce gusty winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S 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.

$$

ANZ233-240000-
Vineyard Sound-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

.TODAY...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy dense
fog this morning with vsby 1 NM or less.
.TONIGHT...S winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
3 ft.
.TUE...S winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to
5 ft. A chance of showers.
.TUE NIGHT...S winds 20 to 25 kt with gusts up to 35 kt. Seas
3 to 5 ft. Patchy fog. Showers with a chance of tstms. Some tstms
may produce gusty winds, and heavy rainfall.
.WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Patchy fog. Showers with a chance of tstms. Some tstms may
produce gusty winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
.THU NIGHT...NW winds around 10 kt. Seas 2 to 3 ft.
.FRI...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI NIGHT...S 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.

$$

ANZ234-240000-
Buzzards Bay-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

.TODAY...SE winds 5 to 10 kt. Seas 1 foot or less. Patchy dense
fog this morning with vsby 1 NM or less.
.TONIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Seas 2 to 3 ft.
.TUE...S winds 15 to 20 kt with gusts up to 35 kt. Seas 3 to
4 ft. Showers likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 35 kt. Seas
3 to 5 ft. Patchy fog. Showers with a chance of tstms. Some tstms
may produce gusty winds, and heavy rainfall.
.WED...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
5 ft. Patchy fog. Showers with a chance of tstms. Some tstms may
produce gusty winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
2 to 4 ft. Showers. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Seas 2 to 3 ft.
.FRI...W winds 5 to 10 kt. Seas around 2 ft.
.FRI NIGHT...S winds around 5 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.

$$

ANZ235-240000-
Rhode Island Sound-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

.TODAY...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog this
morning with vsby 1 NM or less.
.TONIGHT...SE winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
4 ft.
.TUE...S winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. Gusts up to 35 kt. Seas 4 to 7 ft. Patchy fog. Showers
likely.
.TUE NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after
midnight. Gusts up to 35 kt. Seas 7 to 10 ft. Patchy fog. Showers
with a chance of tstms. Some tstms may produce gusty winds, and
heavy rainfall.
.WED...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 8 to 11 ft. Patchy fog.
Showers with a chance of tstms. Some tstms may produce gusty
winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt with gusts up to 20 kt. Seas
6 to 9 ft. Showers. Vsby 1 to 3 NM.
.THU...W winds 10 to 15 kt. Seas 4 to 7 ft. A chance of showers.
.THU NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI...W winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...S 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.

$$

ANZ237-240000-
Block Island Sound-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

.TODAY...SE winds 5 to 10 kt. Seas around 2 ft. Patchy fog this
morning with vsby 1 to 3 NM.
.TONIGHT...SE winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to
4 ft. A chance of showers.
.TUE...S winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to
8 ft. Patchy fog. Showers likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 35 kt. Seas
7 to 10 ft. Patchy fog. Showers with a chance of tstms. Some
tstms may produce gusty winds, and heavy rainfall. Vsby 1 to
3 NM.
.WED...S winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Seas 7 to 10 ft. Patchy fog.
Showers with a chance of tstms. Some tstms may produce gusty
winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas 6 to 9 ft. Showers likely. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Seas 4 to 7 ft. A chance of showers.
.THU NIGHT...NW winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI...W winds 5 to 10 kt. Seas 2 to 4 ft.
.FRI NIGHT...S 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.

$$

ANZ230-240000-
Boston Harbor-
716 AM EDT Mon Oct 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

.TODAY...S winds around 5 kt, becoming SE this afternoon. Waves
1 foot or less. Patchy fog this morning with vsby 1 NM or less.
.TONIGHT...SE winds 5 to 10 kt. Gusts up to 25 kt after midnight.
Waves around 2 ft.
.TUE...S winds 10 to 15 kt with gusts up to 30 kt. Waves around
2 ft. Patchy fog. Showers likely.
.TUE NIGHT...S winds around 15 kt with gusts up to 30 kt. Waves
around 2 ft, except 3 to 5 ft at the outer harbor entrance.
Patchy fog. Showers with a chance of tstms. Some tstms may
produce gusty winds, and heavy rainfall.
.WED...S winds 10 to 15 kt with gusts up to 25 kt. Waves around
2 ft, except 3 to 5 ft at the outer harbor entrance. Patchy fog.
Showers with a chance of tstms. Some tstms may produce gusty
winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. Showers likely. Vsby 1 to 3 NM.
.THU...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.THU NIGHT...W winds around 5 kt. Waves 1 foot or less.
.FRI...SW winds around 5 kt. Waves 1 foot or less.
.FRI NIGHT...SW 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.

$$

ANZ236-240000-
Narragansett Bay-
716 AM EDT Mon Oct 23 2017

...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING...

.TODAY...SE winds around 5 kt, becoming S this afternoon. Waves
around 2 ft. Patchy fog this morning with vsby 1 NM or less.
.TONIGHT...SE winds 5 to 10 kt with gusts up to 20 kt, increasing
to 10 to 15 kt with gusts up to 30 kt after midnight. Waves 2 to
4 ft. A chance of showers.
.TUE...S winds 15 to 20 kt with gusts up to 35 kt. Waves 3 to
5 ft. Patchy fog. Showers likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts up to 35 kt. Waves
4 to 7 ft. Patchy fog. Showers with a chance of tstms. Some tstms
may produce gusty winds, and heavy rainfall.
.WED...S winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Waves 4 to 7 ft. Patchy fog.
Showers with a chance of tstms. Some tstms may produce gusty
winds, and heavy rainfall. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves 3 to 5 ft. Showers likely. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Waves 3 to 5 ft. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft.
.FRI...SW winds around 5 kt. Waves 2 to 3 ft.
.FRI NIGHT...S winds around 5 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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