Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 131849
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
149 PM EST Wed Dec 13 2017

Tidal Potomac River and Maryland portion of Chesapeake Bay.

Forecasts of wave heights do not include effects of wind direction
relative to tidal currents. Expect higher waves when winds are
blowing against the tidal flow.

ANZ500-140900-
149 PM EST Wed Dec 13 2017

.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...

High pressure will build overhead through this afternoon. Weak  low
pressure will pass through the waters late tonight  through early
Thursday before high pressure returns for Thursday  night. Low
pressure will develop as it moves up the coast Friday and  high
pressure will return for Saturday. A Small Craft Advisory may  be
needed for portions of the waters Friday night through Saturday.

$$

ANZ535-140900-
Tidal Potomac from Key Bridge to Indian Head-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY AFTERNOON...

.THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves 1 ft. A
slight chance of light snow.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of light snow.
.THU...NW winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.FRI...S winds around 5 kt. Waves 1 ft.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt...becoming light. Waves 1 ft.
.SUN...SW winds around 5 kt. Waves 1 ft. A chance of showers.

$$

ANZ536-140900-
Tidal Potomac from Indian Head to Cobb Island-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY AFTERNOON...

.THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of light snow.
.THU...W winds 10 to 15 kt...becoming NW in the late morning and
afternoon. Gusts up to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds around 5 kt. Waves 1 ft.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ537-140900-
Tidal Potomac from Cobb Island to Smith Point-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.THIS AFTERNOON...W winds 20 kt with gusts to 30 kt. Waves 4 ft.
.TONIGHT...SW winds 15 to 20 kt. Gusts up to 25 kt... increasing to
30 kt after midnight. Waves 2 to 3 ft. A chance of light snow.
.THU...NW winds 15 to 20 kt. Gusts up to 30 kt. Waves 3 ft.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves flat...
building to 2 ft after midnight.
.SAT...W winds 10 to 15 kt...becoming S 5 kt after midnight. Waves
1 to 2 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ530-140900-
Chesapeake Bay north of Pooles Island-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts to 30 kt. Waves
3 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Light snow likely.
.THU...W winds 10 to 15 kt...becoming NW 15 to 20 kt in the late
morning and afternoon. Gusts up to 25 kt. Waves 2 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.FRI...S winds around 5 kt. Waves flat. A chance of snow showers.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...NW winds 10 to 15 kt...becoming W around 5 kt after midnight.
Waves 1 to 2 ft...subsiding to flat after midnight.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ531-140900-
Chesapeake Bay from Pooles Island to Sandy Point-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts to 30 kt. Waves
4 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft. Light snow likely.
.THU...W winds 15 to 20 kt...becoming NW in the late morning and
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.THU NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft.
.FRI...SE winds around 5 kt. Waves flat. A chance of snow showers.
.FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves flat...building to 2 ft after midnight.
.SAT...NW winds 10 to 15 kt...becoming SW 5 kt after midnight. Waves
1 to 2 ft...subsiding to flat after midnight.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ538-140900-
Patapsco River including Baltimore Harbor-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY AFTERNOON...

.THIS AFTERNOON...W winds 20 kt with gusts to 30 kt. Waves 2 ft.
.TONIGHT...SW winds 10 to 15 kt. Waves 1 ft. Light snow likely.
.THU...W winds 10 to 15 kt...becoming NW with gusts to 25 kt in the
late morning and afternoon. Waves 1 ft.
.THU NIGHT...NW winds 10 to 15 kt...becoming N around 5 kt after
midnight. Waves 1 ft or less.
.FRI...S winds around 5 kt. Waves flat. A chance of snow showers.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...N winds 5 to 10 kt. Waves 1 ft or less.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ539-140900-
Chester River to Queenstown MD-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts to 30 kt. Waves
4 ft. A slight chance of light snow.
.TONIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft. Light snow likely.
.THU...W winds 15 to 20 kt...becoming NW in the late morning and
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.THU NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft.
.FRI...SE winds 5 kt. Waves flat. A chance of snow showers.
.FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves flat...building to 2 ft after midnight.
.SAT...NW winds 10 to 15 kt...becoming SW 5 kt after midnight. Waves
1 to 2 ft...subsiding to flat after midnight.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ532-140900-
Chesapeake Bay from Sandy Point to North Beach-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts to 30 kt. Waves
4 ft. A slight chance of light snow.
.TONIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of light snow.
.THU...W winds 15 to 20 kt...becoming NW in the late morning and
afternoon. Gusts up to 25 kt. Waves 3 ft.
.THU NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft.
.FRI...SE winds 5 kt. Waves flat. A chance of snow showers.
.FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SAT...NW winds 10 to 15 kt...becoming SW 5 kt after midnight. Waves
1 to 2 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ540-140900-
Eastern Bay-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts to 30 kt. Waves
4 ft. A slight chance of light snow.
.TONIGHT...SW winds 15 to 20 kt. Gusts up to 25 kt. Waves 2 to 3 ft.
Light snow likely.
.THU...W winds 15 to 20 kt...becoming NW in the late morning and
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft.
.THU NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.FRI...SE winds around 5 kt. Waves flat. A chance of snow showers.
.FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SAT...NW winds 10 to 15 kt...becoming W 5 kt after midnight. Waves
1 to 2 ft...subsiding to flat after midnight.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ533-140900-
Chesapeake Bay from North Beach to Drum Point-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts to 30 kt. Waves
4 ft. A slight chance of light snow.
.TONIGHT...SW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A
chance of light snow.
.THU...NW winds 15 to 20 kt. Gusts up to 25 kt. Waves 3 ft.
.THU NIGHT...N winds 10 to 15 kt...becoming NE 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 1 to 2 ft.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of snow showers.
.FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SAT...W winds 10 to 15 kt...becoming S 5 kt after midnight. Waves
1 to 2 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ541-140900-
Choptank River to Cambridge MD and the Little Choptank River-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts to 30 kt. Waves
2 ft...except around 4 ft near the mouth of the Choptank. A slight
chance of light snow.
.TONIGHT...SW winds 15 to 20 kt. Gusts up to 25 kt... increasing to
30 kt late. Waves 2 to 3 ft. A chance of light snow.
.THU...NW winds 15 to 20 kt. Gusts up to 25 kt. Waves 3 ft.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt...becoming NE
5 to 10 kt after midnight. Waves 1 to 2 ft.
.FRI...E winds 5 kt. Waves flat. A chance of snow showers.
.FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SAT...NW winds 10 to 15 kt...becoming W 5 kt after midnight. Waves
1 to 2 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ542-140900-
Patuxent River to Broomes Island MD-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY AFTERNOON...

.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Waves
1 ft.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 1 ft. A chance of light snow.
.THU...NW winds 15 to 20 kt. Gusts up to 25 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of snow showers.
.FRI NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Waves 1 ft.
.SAT...W winds 10 to 15 kt...diminishing to 5 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ534-140900-
Chesapeake Bay from Drum Point to Smith Point-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts to 30 kt. Waves
5 ft.
.TONIGHT...SW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. A
chance of light snow.
.THU...W winds 20 to 25 kt...becoming NW in the afternoon. Gusts up
to 30 kt. Waves 4 ft.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of snow showers.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft...
building to 3 ft after midnight.
.SAT...W winds 15 to 20 kt...becoming SW 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft after midnight.
.SUN...SW winds 5 to 10 kt. Waves 1 ft...building to 2 to 3 ft. A
chance of showers through the night.

$$

ANZ543-140900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
149 PM EST Wed Dec 13 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.THIS AFTERNOON...W winds 20 to 25 kt with gusts to 30 kt. Waves
3 ft.
.TONIGHT...SW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A
chance of light snow.
.THU...W winds 20 to 25 kt...becoming NW in the afternoon. Gusts up
to 30 kt. Waves 3 ft.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft or less. A chance of snow
showers.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.SAT...W winds 15 to 20 kt...diminishing to 5 to 10 kt. Waves 1 to
2 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.

$$




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