Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 210557
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
156 AM 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.

ANZ500-212000-
156 AM 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 approach Wednesday. Small
Craft Advisories may be needed Sunday night and Tuesday through
Wednesday.

$$

ANZ535-212000-
Tidal Potomac from Key Bridge to Indian Head-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...N winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...NW winds 5 kt. Waves less than 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves 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 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 15 kt...becoming NW. Waves 1 ft. A chance of showers
through the day.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-212000-
Tidal Potomac from Indian Head to Cobb Island-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...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.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 15 kt...becoming NW. Waves 1 to 2 ft. A chance of
showers.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-212000-
Tidal Potomac from Cobb Island to Smith Point-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...

.OVERNIGHT...N winds 20 kt with gusts to 30 kt. Waves 2 ft.
.SUN...NE winds 10 to 15 kt with gusts to 20 kt... becoming N 5 kt
in the afternoon. Waves 1 to 2 ft. A chance of rain.
.SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 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 15 kt...becoming NW. Waves 2 to 3 ft. A chance of
showers.
.THU...N winds 10 to 15 kt...becoming NE 5 to 10 kt after midnight.
Waves 1 to 2 ft.

$$

ANZ530-212000-
Chesapeake Bay north of Pooles Island-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...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...E 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 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. A chance
of showers.
.THU...NW winds 10 to 15 kt. Waves 1 ft.

$$

ANZ531-212000-
Chesapeake Bay from Pooles Island to Sandy Point-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...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 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. Waves 1 to 2 ft.
.TUE NIGHT...S winds 20 to 25 kt. Waves 3 ft.
.WED...SW winds 15 kt...becoming NW after midnight. Waves 2 to 3 ft.
A chance of showers.
.THU...N winds 10 to 15 kt. Waves 2 ft.

$$

ANZ538-212000-
Patapsco River including Baltimore Harbor-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 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 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 NW. Waves 1 to 2 ft. A chance
of showers.
.THU...N winds 10 to 15 kt. Waves 1 ft.

$$

ANZ539-212000-
Chester River to Queenstown MD-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...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 ft.
.MON NIGHT...SW winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt...increasing to 15 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 to
3 ft.
.WED...SW winds 15 kt...becoming NW after midnight. Waves 2 ft. A
chance of showers.
.THU...NW winds 10 to 15 kt...becoming N after midnight. Waves 1 to
2 ft.

$$

ANZ532-212000-
Chesapeake Bay from Sandy Point to North Beach-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.SUN...N winds 10 to 15 kt...diminishing to 5 kt in the afternoon.
Waves 1 ft.
.SUN NIGHT...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...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. Waves 1 ft...building to 3 ft in the afternoon.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED...SW winds 15 kt...becoming N after midnight. Waves 2 to 3 ft.
A chance of showers.
.THU...N winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ540-212000-
Eastern Bay-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW 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 2 ft.
.WED...SW winds 15 kt...becoming N after midnight. Waves 2 ft. A
chance of showers.
.THU...NW winds 10 to 15 kt...becoming NE 5 to 10 kt after midnight.
Waves 1 to 2 ft.

$$

ANZ533-212000-
Chesapeake Bay from North Beach to Drum Point-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.SUN...NE winds 10 to 15 kt with gusts to 20 kt... becoming N 5 kt
in the afternoon. Waves 1 to 2 ft.
.SUN NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. Waves 1 ft...building to 3 ft in the afternoon.
.TUE NIGHT...S winds 20 to 25 kt...diminishing to 15 kt after
midnight. Waves 3 ft.
.WED...SW winds 15 kt...becoming N after midnight. Waves 2 to 3 ft.
A chance of showers.
.THU...N winds 10 to 15 kt...becoming NE 5 to 10 kt after midnight.
Waves 2 ft.

$$

ANZ541-212000-
Choptank River to Cambridge MD and the Little Choptank River-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 2 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. Waves 1 to 2 ft.
.TUE NIGHT...S winds 20 to 25 kt. Waves 2 ft.
.WED...SW winds 15 kt...becoming NW. Waves 2 ft. A chance of
showers.
.THU...NW winds 10 to 15 kt...becoming NE 5 to 10 kt after midnight.
Waves 1 to 2 ft.

$$

ANZ542-212000-
Patuxent River to Broomes Island MD-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.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 25 kt. Waves 1 ft.
.WED...SW winds 15 kt...becoming NW. Waves 1 ft. A chance of
showers.
.THU...N winds 10 to 15 kt...becoming NE 5 to 10 kt after midnight.
Waves 1 ft.

$$

ANZ534-212000-
Chesapeake Bay from Drum Point to Smith Point-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...

.OVERNIGHT...N winds 20 kt with gusts to 30 kt. Waves 3 ft.
.SUN...NE winds 10 to 15 kt with gusts to 20 kt... becoming N 5 to
10 kt in the afternoon. Waves 1 to 2 ft. A chance of rain.
.SUN NIGHT...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...S winds 5 to 10 kt. Waves 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 4 ft.
.WED...SW winds 15 to 20 kt...becoming N. Waves 3 ft. A chance of
showers.
.THU...N winds 10 to 15 kt...becoming NE 5 to 10 kt after midnight.
Waves 2 to 3 ft.

$$

ANZ543-212000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
156 AM EDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 2 ft.
.SUN...NE winds 10 to 15 kt with gusts to 20 kt... becoming N 5 to
10 kt in the afternoon. Waves 1 ft. A chance of rain.
.SUN NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 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 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 15 to 20 kt...becoming N. Waves 2 ft. A chance of
showers.
.THU...N winds 10 to 15 kt...becoming NE 5 to 10 kt after midnight.
Waves 1 to 2 ft.

$$
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