Washington, DC - Washington Channel, D.C. Coastal Forecast

FZUS51 KLWX 021735
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1235 PM EST Thu Jan 2 2025

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.

ANZ500-030900-
1235 PM EST Thu Jan 2 2025

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

High pressure will build southwest of the area through tonight. An
Arctic cold front will dive across the area Friday. High pressure
will briefly build toward the area to start the weekend. Low
pressure will cross the area late Sunday into Monday. Small Craft
Advisories will be needed late Friday through Sunday.

$$

ANZ535-030900-
Tidal Potomac from Key Bridge to Indian Head-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.THIS AFTERNOON...W winds 15 kt with gusts to 25 kt. Waves 1 ft.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow
showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A
chance of snow showers.
.SAT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.SAT NIGHT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.
Snow through the night.
.MON...N winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
Snow, mainly in the morning.

$$

ANZ536-030900-
Tidal Potomac from Indian Head to Cobb Island-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.THIS AFTERNOON...W winds 10 to 15 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.FRI...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of rain and snow showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of rain and snow showers.
.SAT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.
Snow likely in the evening. Snow after midnight.
.MON...NE winds 5 to 10 kt...becoming NW 10 to 15 kt. Waves 1 ft.
Snow in the morning. A chance of snow in the afternoon.

$$

ANZ537-030900-
Tidal Potomac from Cobb Island to Smith Point-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.FRI...SW winds 10 to 15 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 ft. A chance of rain and snow showers. Vsby
1 to 3 NM.
.FRI NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A
chance of rain and snow showers.
.SAT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...W winds 10 to 15 kt...becoming NW 5 kt in the evening, then
becoming E after midnight. Waves 1 to 2 ft. Snow likely in the
evening. Snow after midnight.
.MON...NE winds 10 to 15 kt...becoming NW 15 to 20 kt. Waves 2 to
3 ft. Rain and snow in the morning, then a chance of rain in the
afternoon. A chance of snow through the night.

$$

ANZ530-030900-
Chesapeake Bay north of Pooles Island-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. Snow showers likely with a
chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Snow showers likely.
.SAT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.SUN...W winds 10 to 15 kt...becoming N 5 kt after midnight. Waves
1 ft. A chance of snow in the evening. Snow likely after midnight.
.MON...N winds 10 to 15 kt...becoming NW after midnight. Waves 1 ft.
Snow, mainly in the morning.

$$

ANZ531-030900-
Chesapeake Bay from Pooles Island to Sandy Point-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 20 kt with gusts to 25 kt. Waves 3 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 25 kt until early
morning. Waves 2 ft.
.FRI...SW winds 10 to 15 kt. Waves 1 ft. Snow showers likely with a
chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Snow showers likely with a chance of showers.
.SAT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...W winds 10 to 15 kt...becoming N 5 to 10 kt after midnight.
Waves 1 to 2 ft. A chance of snow in the evening. Snow after
midnight.
.MON...NE winds 10 to 15 kt...becoming NW 15 to 20 kt. Waves 1 to
2 ft. Snow, mainly in the morning.

$$

ANZ538-030900-
Patapsco River including Baltimore Harbor-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.THIS AFTERNOON...W winds 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. Snow showers with a chance
of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
Snow showers.
.SAT...W winds 15 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.SUN...W winds 10 to 15 kt...becoming N around 5 kt after midnight.
Waves 1 ft or less. A chance of snow in the evening. Snow after
midnight.
.MON...NE winds 5 to 10 kt...becoming NW 10 to 15 kt after midnight.
Waves 1 ft. Snow, mainly in the morning.

$$

ANZ539-030900-
Chester River to Queenstown MD-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Waves
3 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 25 kt until early
morning. Waves 2 to 3 ft.
.FRI...SW winds 10 to 15 kt. Waves 1 ft. Snow showers likely with a
chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
Snow showers likely with a chance of showers.
.SAT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight.
Waves 1 to 2 ft. A chance of snow in the evening. Snow after
midnight.
.MON...NE winds 10 to 15 kt...becoming N. Waves 1 to 2 ft. Snow in
the morning, then a chance of snow through the night.

$$

ANZ532-030900-
Chesapeake Bay from Sandy Point to North Beach-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Snow showers likely with a chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Snow showers likely with a chance of showers.
.SAT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight.
Waves 1 to 2 ft. A chance of snow in the evening. Snow after
midnight.
.MON...NE winds 10 to 15 kt...becoming NW 15 to 20 kt. Waves 1 to
2 ft. Snow in the morning, then a chance of snow through the night.

$$

ANZ540-030900-
Eastern Bay-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 15 kt with gusts to 25 kt. Waves 2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.FRI...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Snow
showers likely with a chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
Snow showers likely with a chance of showers.
.SAT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SUN...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight.
Waves 1 to 2 ft. A chance of snow in the evening. Snow after
midnight.
.MON...NE winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft. Snow in the morning, then a chance of snow through the night.

$$

ANZ533-030900-
Chesapeake Bay from North Beach to Drum Point-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...SW winds 10 to 15 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 to 2 ft. A chance of rain and snow showers.
Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A
chance of rain and snow showers.
.SAT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...NW winds 10 to 15 kt...becoming NE 5 to 10 kt after midnight.
Waves 1 to 2 ft. A chance of snow in the evening. Snow after
midnight.
.MON...NE winds 10 to 15 kt...becoming NW 15 to 20 kt. Waves 1 to
2 ft...building to 3 ft. Snow in the morning, then a chance of snow
through the night.

$$

ANZ541-030900-
Choptank River to Cambridge MD and the Little Choptank River-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Waves
2 to 3 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Snow showers likely with a chance of showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Snow showers likely with a chance of showers.
.SAT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight.
Waves 1 to 2 ft. A chance of snow in the evening. Snow after
midnight.
.MON...NE winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft. Snow in the morning. A chance of snow through the night.

$$

ANZ542-030900-
Patuxent River to Broomes Island MD-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.THIS AFTERNOON...W winds 10 to 15 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow
showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 1 ft. A
chance of rain and snow showers.
.SAT...W winds 15 kt with gusts to 25 kt. Waves 1 ft.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.
A chance of snow in the evening. Snow after midnight.
.MON...NE winds 10 to 15 kt...becoming NW. Waves 1 ft. Snow in the
morning, then a chance of snow through the night.

$$

ANZ534-030900-
Chesapeake Bay from Drum Point to Smith Point-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 15 kt with gusts to 25 kt. Waves 3 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...SW winds 10 to 15 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 to 2 ft. A chance of rain and snow showers.
Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 25 to 30 kt. Waves 4 ft. A chance of snow and
rain showers.
.SAT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.SAT NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SUN...NW winds 15 to 20 kt...diminishing to 5 to 10 kt in the
evening, then becoming NE after midnight. Waves 2 to 3 ft...
subsiding to 1 ft. A chance of snow in the evening. Snow after
midnight.
.MON...NE winds 10 to 15 kt...becoming N 20 to 25 kt. Waves 2 to
3 ft...building to 4 ft after midnight. Rain and snow in the
morning, then a chance of rain in the afternoon. A chance of snow
through the night.

$$

ANZ543-030900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1235 PM EST Thu Jan 2 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...W winds 15 to 20 kt with gusts to 25 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.FRI...SW winds 15 to 20 kt. Waves 1 to 2 ft. A chance of rain and
snow showers. Vsby 1 to 3 NM.
.FRI NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 2 to
3 ft. A chance of snow and rain showers.
.SAT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft.
.SAT NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.SUN...NW winds 15 to 20 kt...diminishing to 5 to 10 kt in the
evening, then becoming NE after midnight. Waves 1 to 2 ft. A chance
of snow in the evening. Snow after midnight.
.MON...NE winds 10 to 15 kt...becoming N 20 to 25 kt. Waves 1 to
2 ft. Rain and snow through the day, then a chance of snow in the
evening.

$$