Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 212334
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
734 PM EDT Sun Apr 21 2024

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.

ANZ500-220800-
734 PM EDT Sun Apr 21 2024

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

High pressure will move overhead Monday into Tuesday. A cold front
will cross the area Wednesday. Small Craft Advisories will likely be
 needed Tuesday through Thursday.

$$

ANZ535-220800-
Tidal Potomac from Key Bridge to Indian Head-
734 PM EDT Sun Apr 21 2024

.TONIGHT...NW winds 5 kt. Waves less than 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft.
.TUE NIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft.
.WED...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A chance
of showers.
.WED NIGHT...N winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 ft.
.THU...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-220800-
Tidal Potomac from Indian Head to Cobb Island-
734 PM EDT Sun Apr 21 2024

.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds around 5 kt. Waves 1 ft or less.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...SW winds 10 to 15 kt...becoming NW in the afternoon. Gusts up
to 25 kt. Waves 1 to 2 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.THU...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-220800-
Tidal Potomac from Cobb Island to Smith Point-
734 PM EDT Sun Apr 21 2024

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

.TONIGHT...NW winds 5 to 10 kt...increasing to 15 kt with gusts to
20 kt after midnight. Waves 1 to 2 ft.
.MON...N winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 to 2 ft.
.MON NIGHT...S winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds 5 kt...becoming S 10 to 15 kt with gusts to 20 kt in
the afternoon. Waves flat...building to 2 ft in the afternoon.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 25 kt. Waves 2 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.THU...NE winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 1 to
2 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ530-220800-
Chesapeake Bay north of Pooles Island-
734 PM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY...

.TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...NE winds around 5 kt. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A chance
of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.THU...N winds 5 to 10 kt...becoming S. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-220800-
Chesapeake Bay from Pooles Island to Sandy Point-
734 PM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY...

.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A chance
of showers.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...N winds 5 to 10 kt...becoming SE after midnight. Waves 1 to
2 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ538-220800-
Patapsco River including Baltimore Harbor-
734 PM EDT Sun Apr 21 2024

.TONIGHT...NW winds 10 kt. Waves 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.MON NIGHT...W winds around 5 kt. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft or less.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.WED...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A chance
of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt...becoming SE. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-220800-
Chester River to Queenstown MD-
734 PM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY...

.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt late this evening
and overnight. Waves 1 to 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...S winds 15 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 25 kt. Waves 2 ft. A chance of showers.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...N winds 5 to 10 kt...becoming SE after midnight. Waves 1 to
2 ft.
.FRI...E winds 5 kt...becoming S. Waves 1 ft.

$$

ANZ532-220800-
Chesapeake Bay from Sandy Point to North Beach-
734 PM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY...

.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt late this evening
and overnight. Waves 1 to 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...SW winds 5 kt. Waves flat.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...S winds 15 kt with gusts to 25 kt. Waves 3 ft.
.WED...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 2 to 3 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.THU...N winds 5 to 10 kt...becoming SE. Waves 1 to 2 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ540-220800-
Eastern Bay-
734 PM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT MONDAY...

.TONIGHT...NW winds 5 to 10 kt...becoming N 15 kt with gusts to
20 kt after midnight. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds around 5 kt. Waves flat.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.TUE NIGHT...S winds 15 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 25 kt. Waves 2 ft. A chance of showers.
.WED NIGHT...N winds 15 kt with gusts to 25 kt. Waves 2 ft.
.THU...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 to
2 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-220800-
Chesapeake Bay from North Beach to Drum Point-
734 PM EDT Sun Apr 21 2024

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

.TONIGHT...NW winds 5 to 10 kt...increasing to 15 kt with gusts to
25 kt after midnight. Waves 1 to 2 ft.
.MON...N winds 10 to 15 kt with gusts to 20 kt... becoming NE 5 kt
late. Waves 1 to 2 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 25 kt. Waves 2 ft. A chance of showers.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...N winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 1 to
2 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ541-220800-
Choptank River to Cambridge MD and the Little Choptank River-
734 PM EDT Sun Apr 21 2024

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

.TONIGHT...NW winds 5 to 10 kt...becoming N 15 kt with gusts to
25 kt after midnight. Waves 1 to 2 ft.
.MON...N winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt late. Waves 1 to 2 ft.
.MON NIGHT...SW winds around 5 kt. Waves flat.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 25 kt. Waves 2 ft. A chance of showers.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...N winds 10 to 15 kt...becoming E 5 kt. Waves 1 to 2 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ542-220800-
Patuxent River to Broomes Island MD-
734 PM EDT Sun Apr 21 2024

.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds around 5 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 1 ft. A chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ534-220800-
Chesapeake Bay from Drum Point to Smith Point-
734 PM EDT Sun Apr 21 2024

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

.TONIGHT...N winds 5 to 10 kt...increasing to 15 to 20 kt with gusts
to 25 kt after midnight. Waves 1 ft...building to 3 ft after
midnight.
.MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.MON NIGHT...SW winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. A
chance of showers.
.WED NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
.THU...N winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft.
.FRI...SE winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ543-220800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
734 PM EDT Sun Apr 21 2024

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

.TONIGHT...N winds 5 to 10 kt...increasing to 15 kt with gusts to
20 kt after midnight. Waves 1 to 2 ft.
.MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON NIGHT...NW winds 5 to 10 kt...becoming S in the late evening
and overnight. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.WED...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.THU...N winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 to 2 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.

$$



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