Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 211801
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
201 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-
201 PM EDT Sun Apr 21 2024

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

High pressure will gradually push in from the west today while low
pressure passes well to the south. The high will move overhead
Monday and 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-
201 PM EDT Sun Apr 21 2024

.THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft.
.TONIGHT...NW winds 5 kt. Waves less than 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...W 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...becoming N. Waves 1 ft. A chance of
showers through the day.
.THU...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.


$$

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

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE 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 N after midnight. Waves 1 to
2 ft. A chance of showers through the day.
.THU...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.


$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH MONDAY MORNING...

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft. Rain likely.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 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 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.WED...SW winds 10 to 15 kt...becoming N. Waves 1 to 2 ft. A chance
of showers through the day.
.THU...NE winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 1 to
2 ft...subsiding to flat.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...NW winds 5 to 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...becoming N. Waves 1 to 2 ft. A chance
of showers through the day.
.THU...N winds 5 to 10 kt...becoming S. Waves 1 ft.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 5 to 10 kt. Waves flat.
.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 ft.
.MON NIGHT...W 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 ft or less.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 ft. A
chance of showers through the day.
.THU...N winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft
or less.

$$

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

.THIS AFTERNOON...W winds 5 kt. Waves flat.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.MON NIGHT...W winds around 5 kt. Waves flat.
.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.
.WED...W winds 10 to 15 kt...becoming N. Waves 1 ft. A chance of
showers through the day.
.THU...N winds 5 to 10 kt...becoming SE. Waves 1 ft or less.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH LATE TONIGHT...

.THIS AFTERNOON...NW winds 5 kt. Waves flat.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the late
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 ft or less.
.TUE NIGHT...S winds 15 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 to
3 ft. A chance of showers through the day.
.THU...N winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft
or less.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH LATE TONIGHT...

.THIS AFTERNOON...N winds 5 kt. Waves flat.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 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 ft or less.
.TUE NIGHT...S winds 15 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt...becoming N after midnight. Waves 2 ft.
A chance of showers through the day.
.THU...N winds 5 to 10 kt...becoming SE. Waves 1 ft or less.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH LATE TONIGHT...

.THIS AFTERNOON...NW winds 5 kt. Waves flat.
.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 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 or less.
.TUE NIGHT...S winds 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
.WED...SW winds 10 to 15 kt...becoming N. Waves 2 ft. A chance of
showers through the day.
.THU...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft
or less.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH MONDAY MORNING...

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft. A slight
chance of rain.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft or
less.
.MON...N winds 10 to 15 kt with gusts to 20 kt... becoming NE 5 kt
late. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves flat.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft or less.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 ft. A
chance of showers through the day.
.THU...N winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 1 to
2 ft...subsiding to flat.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH MONDAY MORNING...

.THIS AFTERNOON...NW winds 5 kt. Waves flat. A slight chance of
rain.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft or
less.
.MON...N winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt late. 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 or less.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.WED...SW winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 ft. A
chance of showers through the day.
.THU...N winds 10 to 15 kt...becoming E 5 kt. Waves 1 ft or less.

$$

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

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft. A chance of
rain.
.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 N after midnight. Waves 1 ft.
A chance of showers through the day.
.THU...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.


$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH MONDAY MORNING...

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft. Rain likely.
.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.
.MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 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...becoming N 10 to 15 kt. Waves 2 to
3 ft. A chance of showers through the day.
.THU...N winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 to
2 ft...subsiding to flat after midnight.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH MONDAY MORNING...

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft. Rain likely.
.TONIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft.
.MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...W winds 5 to 10 kt...becoming S after midnight. 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 ft.
.WED...W winds 15 to 20 kt...becoming N 10 to 15 kt. Waves 1 to
2 ft. A chance of showers in the morning.
.THU...N winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 ft or
less.

$$



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