Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 150307 AAA
CWFLWX

Coastal Waters Forecast...UPDATED
National Weather Service Baltimore MD/Washington DC
1007 PM EST Thu Dec 14 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.

ANZ500-150915-
1007 PM EST Thu Dec 14 2017

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

High pressure will build over the waters through tonight. A low
pressure system will develop as it moves up the coast Friday into
Friday night. High pressure will return for Saturday before weak low
pressure possibly impacts the waters early next week. A Small Craft
advisory may be needed for portions of the waters Saturday.

$$

ANZ535-150915-
Tidal Potomac from Key Bridge to Indian Head-
1007 PM EST Thu Dec 14 2017

.REST OF TONIGHT...N winds 15 kt...becoming NE 5 kt. Waves 1 ft.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of snow. Vsby
1 to 3 NM.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 10 to 15 kt. Waves 1 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...SE winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of rain.
.MON...SW winds around 5 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day.

$$

ANZ536-150915-
Tidal Potomac from Indian Head to Cobb Island-
1007 PM EST Thu Dec 14 2017

.REST OF TONIGHT...N winds 10 to 15 kt with gusts to 20 kt...
becoming NE 5 kt late. Waves 1 ft.
.FRI...E winds 5 kt...becoming W late. Waves 1 ft or less. A chance
of snow. Vsby 1 to 3 NM.
.FRI NIGHT...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. A chance of rain.
.MON...SW winds around 5 kt. Waves 1 ft. A chance of showers through
the day.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day.

$$

ANZ537-150915-
Tidal Potomac from Cobb Island to Smith Point-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft.
.FRI...NE winds 5 to 10 kt...becoming NW 10 to 15 kt late. Gusts up
to 20 kt. Waves 1 ft. A chance of snow. Vsby 1 to 3 NM.
.FRI NIGHT...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 flat.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
through the day.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the day.

$$

ANZ530-150915-
Chesapeake Bay north of Pooles Island-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...N winds 10 to 15 kt with gusts to 20 kt...
diminishing to 5 kt late. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves flat. Snow likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S 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 1 ft or less.
.TUE...W winds 10 to 15 kt. Waves 1 ft. A chance of showers through
the day.

$$

ANZ531-150915-
Chesapeake Bay from Pooles Island to Sandy Point-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...N winds 10 to 15 kt with gusts to 20 kt...
becoming NE 5 kt late. Waves 1 to 2 ft.
.FRI...SE winds 5 to 10 kt...becoming SW late. Waves 1 ft or less.
Snow likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.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 or less.
.SUN...S winds 5 kt. Waves flat.
.SUN NIGHT...S winds 5 kt. Waves flat. A chance of rain.
.MON...SW winds 5 kt. Waves less than 1 ft.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the day.

$$

ANZ538-150915-
Patapsco River including Baltimore Harbor-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...N winds 10 to 15 kt with gusts to 20 kt...
becoming NE 5 kt late. Waves 1 ft or less.
.FRI...S winds 5 kt. Waves flat. Snow likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft.
.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 1 ft or less.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day.

$$

ANZ539-150915-
Chester River to Queenstown MD-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...N winds 10 to 15 kt with gusts to 20 kt...
becoming NE 5 kt late. Waves 1 to 2 ft.
.FRI...E winds 5 to 10 kt...becoming NW late. Waves flat. Snow
likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.SAT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 5 kt. Waves flat.
.SUN NIGHT...S winds 5 kt. Waves flat. A chance of rain.
.MON...SW winds 5 kt. Waves less than 1 ft.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the day.

$$

ANZ532-150915-
Chesapeake Bay from Sandy Point to North Beach-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt late this
evening and early morning. Waves 1 to 2 ft.
.FRI...E winds 5 to 10 kt...becoming NW late. Waves 1 ft or less.
Snow likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 1 to 2 ft.
.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 or less.
.SUN...S winds 5 kt. Waves flat.
.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. A chance of showers through
the day.

$$

ANZ540-150915-
Eastern Bay-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt late this
evening and early morning. Waves 1 ft.
.FRI...E winds 5 to 10 kt...becoming NW late. Waves flat. Snow
likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.SAT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 5 kt. Waves flat.
.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. A chance of showers through
the day.

$$

ANZ533-150915-
Chesapeake Bay from North Beach to Drum Point-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft.
.FRI...E winds 5 to 10 kt...becoming NW late. Waves 1 ft or less.
Snow likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 1 to 2 ft.
.SAT...W winds 15 to 20 kt. Waves 2 ft.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 5 to 10 kt. Waves flat.
.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 to 2 ft. A chance of showers
through the day.

$$

ANZ541-150915-
Choptank River to Cambridge MD and the Little Choptank River-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY EVENING THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt late this
evening and early morning. Waves 1 to 2 ft.
.FRI...E winds 5 to 10 kt...becoming NW late. Waves 1 ft or less.
Snow likely. Vsby 1 to 3 NM.
.FRI NIGHT...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 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 5 to 10 kt. Waves flat.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
rain.
.MON...SW winds 5 kt. Waves less than 1 ft.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the day.

$$

ANZ542-150915-
Patuxent River to Broomes Island MD-
1007 PM EST Thu Dec 14 2017

.REST OF TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt late this
evening and early morning. Waves 1 ft.
.FRI...NE winds 5 to 10 kt...becoming NW late. Waves 1 ft. Snow
likely. Vsby 1 to 3 NM.
.FRI NIGHT...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. A chance of rain.
.MON...SW winds 5 kt. Waves less than 1 ft. A chance of showers
through the day.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day.

$$

ANZ534-150915-
Chesapeake Bay from Drum Point to Smith Point-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...NE winds 10 to 15 kt...becoming NW with gusts to 25 kt late.
Waves 1 ft. Snow likely. Vsby 1 to 3 NM.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 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 to 2 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the day.
.TUE...W winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers
through the day.

$$

ANZ543-150915-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1007 PM EST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft.
.FRI...N winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 ft. Snow
likely. Vsby 1 to 3 NM.
.FRI NIGHT...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. A chance of rain.
.MON...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the day.
.TUE...W winds 10 to 15 kt...becoming NW after midnight. Waves 1 to
2 ft...building to 3 ft after midnight. A chance of showers through
the day.

$$



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