HomeForecastsVirginia ForecastsWashington, DC Coastal Forecast

Washington, DC Coastal Forecast

FZUS51 KLWX 220535
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1234 AM EST Sun Dec 22 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.

ANZ500-222100-
1234 AM EST Sun Dec 22 2024

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

High pressure builds over the region through Sunday. High pressure
eventually drifts toward New England Monday, with another weak wave
of low pressure and cold front set to impact the waters by late
Tuesday. A strong area of high pressure sets up to the north by
Wednesday. Small Craft Advisories remain in effect through Sunday,
with additional advisories possible by the middle of next week.

$$

ANZ535-222100-
Tidal Potomac from Key Bridge to Indian Head-
1234 AM EST Sun Dec 22 2024

.OVERNIGHT...N winds 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NE winds around 5 kt. Waves 1 ft or less.
.MON...SE winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...W winds around 5 kt. Waves 1 ft.
.TUE NIGHT...N winds around 5 kt. Waves 1 ft.
.WED...NE winds around 5 kt. Waves 1 ft or less.
.THU...NE winds around 5 kt. Waves 1 ft.

$$

ANZ536-222100-
Tidal Potomac from Indian Head to Cobb Island-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.OVERNIGHT...N winds 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NE winds around 5 kt. Waves 1 ft or less.
.MON...SE winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...W winds around 5 kt. Waves 1 ft.
.TUE NIGHT...N winds around 5 kt. Waves 1 ft.
.WED...NE winds 5 kt. Waves less than 1 ft.
.THU...N winds 5 kt. Waves less than 1 ft.

$$

ANZ537-222100-
Tidal Potomac from Cobb Island to Smith Point-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.OVERNIGHT...N winds 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...N winds 5 kt. Waves less than 1 ft.
.WED...NE winds 5 kt. Waves less than 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ530-222100-
Chesapeake Bay north of Pooles Island-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.OVERNIGHT...N winds 15 kt with gusts to 25 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.MON...SE winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of snow.
.TUE...W winds around 5 kt. Waves 1 ft. A chance of snow.
.TUE NIGHT...N winds around 5 kt. Waves 1 ft.
.WED...NE winds 5 kt. Waves less than 1 ft.
.THU...NE winds 5 kt. Waves less than 1 ft.

$$

ANZ531-222100-
Chesapeake Bay from Pooles Island to Sandy Point-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.OVERNIGHT...NW winds 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...SE winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of snow.
.TUE...W winds 5 kt. Waves less than 1 ft. A chance of snow.
.TUE NIGHT...N winds 5 kt. Waves less than 1 ft.
.WED...NE winds 5 kt. Waves less than 1 ft.
.THU...NE winds 5 kt. Waves less than 1 ft.

$$

ANZ538-222100-
Patapsco River including Baltimore Harbor-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.OVERNIGHT...NW winds 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...NE winds around 5 kt. Waves 1 ft or less.
.MON...SE winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of snow.
.TUE...W winds 5 kt. Waves flat. A chance of snow.
.TUE NIGHT...N winds around 5 kt. Waves flat.
.WED...NE winds around 5 kt. Waves flat.
.THU...NE winds 5 kt. Waves flat.

$$

ANZ539-222100-
Chester River to Queenstown MD-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.OVERNIGHT...N winds 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less.
.MON...SE winds 5 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of snow.
.TUE...W winds around 5 kt. Waves 1 ft. A chance of rain and snow.
.TUE NIGHT...N winds around 5 kt. Waves 1 ft or less.
.WED...NE winds 5 kt. Waves less than 1 ft.
.THU...NE winds 5 kt. Waves less than 1 ft.

$$

ANZ532-222100-
Chesapeake Bay from Sandy Point to North Beach-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.OVERNIGHT...NW winds 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...SE winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow.
.TUE NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 kt. Waves less than 1 ft.

$$

ANZ540-222100-
Eastern Bay-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.OVERNIGHT...NW winds 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less.
.MON...SE winds 5 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 5 kt. Waves less than 1 ft. A chance of rain and
snow.
.TUE NIGHT...N winds around 5 kt. Waves 1 ft or less.
.WED...NE winds 5 kt. Waves less than 1 ft.
.THU...N winds 5 kt. Waves less than 1 ft.

$$

ANZ533-222100-
Chesapeake Bay from North Beach to Drum Point-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 3 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...SE winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow.
.TUE NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ541-222100-
Choptank River to Cambridge MD and the Little Choptank River-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...SE winds 5 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow.
.TUE NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ542-222100-
Patuxent River to Broomes Island MD-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.OVERNIGHT...NW winds 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...NE winds around 5 kt. Waves 1 ft.
.MON...E winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 5 kt. Waves less than 1 ft. A chance of rain.
.TUE NIGHT...N winds around 5 kt. Waves 1 ft.
.WED...NE winds 5 kt. Waves less than 1 ft.
.THU...N winds 5 kt. Waves less than 1 ft.

$$

ANZ534-222100-
Chesapeake Bay from Drum Point to Smith Point-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 4 ft.
.SUN...N winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 to 2 ft.
.MON...E winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ543-222100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1234 AM EST Sun Dec 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$



Don't Miss