Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 252358
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
758 PM EDT Wed Apr 25 2018

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.

ANZ500-260800-
758 PM EDT Wed Apr 25 2018

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

Low pressure will move away from the waters tonight. High pressure
will settle over the waters on Thursday. Low pressure will approach
the waters Thursday night before passing through Friday. A cold
front will pass through Saturday and high pressure will return for
early next week. Small Craft advisories will likely be needed on
Friday and may be needed Sunday.

$$

ANZ535-260800-
Tidal Potomac from Key Bridge to Indian Head-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers this evening.
.THU...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...NW winds 5 to 10 kt...becoming E in the late evening
and overnight. Waves 1 ft. Rain.
.FRI...E winds 5 kt...becoming W in the afternoon. Waves 1 ft. Rain.
.FRI NIGHT...W winds 5 kt. Waves less than 1 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.
.MON...W winds 5 kt. Waves less than 1 ft.

$$

ANZ536-260800-
Tidal Potomac from Indian Head to Cobb Island-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 kt. Gusts up to 20 kt late this evening and
overnight. Waves 1 ft. A chance of showers this evening.
.THU...W winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI...E winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.
.MON...W winds 5 kt. Waves less than 1 ft.

$$

ANZ537-260800-
Tidal Potomac from Cobb Island to Smith Point-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 2 ft. A chance of showers this evening.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW 5 to
10 kt late. Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 to 2 ft. Rain.
.FRI...SE winds 5 to 10 kt...becoming SW in the afternoon. Waves
2 to 3 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.SUN...NW winds 10 to 15 kt. Waves 2 ft.
.MON...SW winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ530-260800-
Chesapeake Bay north of Pooles Island-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt late this evening
and overnight. Waves 1 ft. Showers likely this evening.
.THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.FRI...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-260800-
Chesapeake Bay from Pooles Island to Sandy Point-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers this evening.
.THU...W winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.FRI...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...NW winds 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ538-260800-
Patapsco River including Baltimore Harbor-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers this evening.
.THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain likely.
.FRI...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less.
.SAT...W winds 5 to 10 kt. Waves 1 ft or less. A chance of showers.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-260800-
Chester River to Queenstown MD-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Showers likely this evening. Patchy fog this evening with vsby
1 to 3 NM.
.THU...W winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.FRI...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ532-260800-
Chesapeake Bay from Sandy Point to North Beach-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 1 to 2 ft. A chance of showers this evening with
vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW late.
Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain likely.
.FRI...E winds 5 to 10 kt...becoming SW in the afternoon. Waves 1 to
2 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ540-260800-
Eastern Bay-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Showers likely this evening.
.THU...NW winds 10 to 15 kt...becoming SW late. Gusts up to 20 kt.
Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain likely.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-260800-
Chesapeake Bay from North Beach to Drum Point-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 1 to 2 ft. A chance of showers this evening.
Patchy fog this evening with vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW 5 to
10 kt late. Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 to 2 ft. Rain.
.FRI...SE winds 10 kt...becoming SW in the afternoon. Waves 2 ft.
Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ541-260800-
Choptank River to Cambridge MD and the Little Choptank River-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 1 to 2 ft. Showers likely this evening.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW 5 to
10 kt late. Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain likely.
.FRI...SE winds 10 kt...becoming SW in the afternoon. Waves 1 to
2 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ542-260800-
Patuxent River to Broomes Island MD-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 kt. Gusts up to 20 kt late this evening and
overnight. Waves 1 ft. A chance of showers this evening. Patchy fog
this evening with vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI...SE winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ534-260800-
Chesapeake Bay from Drum Point to Smith Point-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt after midnight. Waves 2 to 3 ft. A chance of showers this
evening with vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW 5 to
10 kt late. Waves 2 to 3 ft.
.THU NIGHT...SE winds 10 to 15 kt. Waves 1 to 2 ft. Rain.
.FRI...SE winds 10 to 15 kt...becoming SW in the afternoon. Waves
2 to 3 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SUN...NW winds 10 to 15 kt. Waves 2 to 3 ft.
.MON...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 3 ft...
subsiding to 1 to 2 ft.

$$

ANZ543-260800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
758 PM EDT Wed Apr 25 2018

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

.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 1 to 2 ft. Showers likely this evening with vsby
1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW 5 to
10 kt late. Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI...SE winds 10 to 15 kt...becoming S in the afternoon. Waves
2 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 to 2 ft.
.SUN...NW winds 10 to 15 kt. Waves 2 to 3 ft.
.MON...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to
2 ft.

$$



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