Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 151432
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
932 AM EST Fri Dec 15 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.

ANZ500-152100-
932 AM EST Fri Dec 15 2017

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

A low pressure system will develop as it moves up the coast today
into tonight. High pressure will return on Saturday before weak low
pressure possibly impacts the waters early next week.

$$

ANZ535-152100-
Tidal Potomac from Key Bridge to Indian Head-
932 AM EST Fri Dec 15 2017

.REST OF TODAY...S winds 5 kt. Waves less than 1 ft. Snow likely.
Vsby 1 to 3 NM.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds around 5 kt. Waves 1 ft.
.MON...SW winds around 5 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-152100-
Tidal Potomac from Indian Head to Cobb Island-
932 AM EST Fri Dec 15 2017

.REST OF TODAY...S winds 5 kt. Waves less than 1 ft. A chance of
snow late this morning, then snow likely this afternoon. Vsby 1 to
3 NM.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...SE winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds around 5 kt. Waves 1 ft.
.MON...SW winds around 5 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-152100-
Tidal Potomac from Cobb Island to Smith Point-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH SATURDAY EVENING...

.REST OF TODAY...NE winds 10 kt...becoming NW late. Gusts up to
20 kt. Waves 1 to 2 ft. A chance of snow late this morning, then
snow likely this afternoon. Vsby 1 to 3 NM.
.TONIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SAT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
through the night.
.TUE...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain through
the day.

$$

ANZ530-152100-
Chesapeake Bay north of Pooles Island-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY EVENING...

.REST OF TODAY...S winds 5 kt. Waves flat. Snow. Vsby 1 to 3 NM.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
A chance of snow. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt. Gusts up to 20 kt... increasing to 25 kt
in the afternoon. Waves 1 to 2 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds around 5 kt. Waves 1 ft or less. A chance of
rain.
.MON...SW winds around 5 kt. Waves flat.
.TUE...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-152100-
Chesapeake Bay from Pooles Island to Sandy Point-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY EVENING...

.REST OF TODAY...SE winds 5 to 10 kt...becoming SW late. Waves 1 ft.
Snow. Vsby 1 to 3 NM.
.TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of snow. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON...SW winds around 5 kt. Waves flat.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ538-152100-
Patapsco River including Baltimore Harbor-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY EVENING...

.REST OF TODAY...S winds 5 kt. Waves less than 1 ft. Snow. Vsby 1 to
3 NM.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft. A chance of snow. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...SE winds 5 kt. Waves flat.
.SUN NIGHT...SW winds around 5 kt. Waves flat. A chance of rain.
.MON...SW winds around 5 kt. Waves flat.
.TUE...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-152100-
Chester River to Queenstown MD-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY EVENING...

.REST OF TODAY...E winds 5 to 10 kt...becoming NW late. Waves 1 ft
or less. A chance of snow late this morning, then snow this
afternoon. Vsby 1 to 3 NM.
.TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of snow. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON...SW winds 5 kt. Waves flat.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ532-152100-
Chesapeake Bay from Sandy Point to North Beach-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY EVENING...

.REST OF TODAY...E winds 5 to 10 kt...becoming NW late. Waves 1 ft.
A chance of snow late this morning, then snow this afternoon. Vsby
1 to 3 NM.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 2 ft. A chance of snow. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON...SW winds 5 kt. Waves less than 1 ft.
.TUE...W winds 10 to 15 kt. Waves 1 ft.

$$

ANZ540-152100-
Eastern Bay-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY EVENING...

.REST OF TODAY...E winds 5 to 10 kt...becoming NW late. Waves 1 ft
or less. A chance of snow late this morning, then snow this
afternoon. Vsby 1 to 3 NM.
.TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of snow. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON...SW winds 5 kt. Waves less than 1 ft.
.TUE...W winds 10 to 15 kt. Waves 1 ft.

$$

ANZ533-152100-
Chesapeake Bay from North Beach to Drum Point-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY EVENING...

.REST OF TODAY...E winds 5 to 10 kt...becoming NW late. Waves 1 ft.
A chance of snow late this morning, then snow this afternoon. Vsby
1 to 3 NM.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 2 ft.
.SAT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 5 kt. Waves less than 1 ft. A chance of rain through
the night.
.TUE...W winds 10 to 15 kt. Waves 2 ft.

$$

ANZ541-152100-
Choptank River to Cambridge MD and the Little Choptank River-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EST THIS EVENING THROUGH
SATURDAY EVENING...

.REST OF TODAY...E winds 5 to 10 kt...becoming NW late. Waves 1 ft.
A chance of snow late this morning, then snow this afternoon. Vsby
1 to 3 NM.
.TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of snow. Vsby 1 to 3 NM.
.SAT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 5 kt. Waves less than 1 ft. A chance of rain through
the night.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ542-152100-
Patuxent River to Broomes Island MD-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.REST OF TODAY...NE winds 5 kt...becoming NW late. Waves 1 ft. A
chance of snow late this morning, then snow likely this afternoon.
Vsby 1 to 3 NM.
.TONIGHT...W winds 10 to 15 kt. Waves 1 ft.
.SAT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 5 kt. Waves less than 1 ft. A chance of rain through
the night.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.

$$

ANZ534-152100-
Chesapeake Bay from Drum Point to Smith Point-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH SATURDAY EVENING...

.REST OF TODAY...NE winds 10 kt...becoming NW with gusts to 25 kt
late. Waves 2 ft. A chance of snow late this morning, then snow and
rain likely this afternoon. Vsby 1 to 3 NM.
.TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SAT...W winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
night.
.TUE...W winds 10 to 15 kt...becoming NW after midnight. Waves 2 to
3 ft. A chance of rain through the day.

$$

ANZ543-152100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
932 AM EST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH SATURDAY EVENING...

.REST OF TODAY...NE winds 10 kt...becoming N late. Gusts up to
20 kt. Waves 1 ft. A chance of snow late this morning, then snow and
rain this afternoon. Vsby 1 to 3 NM.
.TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SAT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
through the night.
.TUE...W winds 10 to 15 kt. Waves 2 to 3 ft. A chance of rain
through the day.

$$



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