558
FZUS51 KLWX 080233
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1033 PM EDT Mon Apr 7 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.  Waves flat where waters are iced over.

ANZ500-080800-
1033 PM EDT Mon Apr 7 2025

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

Waves of low pressure will ride along a stalled front to the south
through tonight. A secondary reinforcing cold front will cross the
waters late tonight. High pressure will build overhead by Wednesday.
 A low pressure system will approach from the west Thursday into
Friday.  Small Craft Advisories may be needed Thursday.  Boaters
should be aware of the threats of boating in cold water,  even when
air temperatures are warm. Visit  weather.gov/safety/coldwater for
more information.

$$

ANZ535-080800-
Tidal Potomac from Key Bridge to Indian Head-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt. Gusts up to 25 kt. Waves
1 ft. Scattered showers late this evening, then isolated showers.
.TUE...NW winds 10 to 15 kt with gusts to 30 kt. Waves 1 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Gusts up to 25 kt. Waves 1 ft.
.WED...W winds around 5 kt. Waves 1 ft.
.WED NIGHT...S winds 5 kt. Waves less than 1 ft.
.THU...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.FRI...NE winds 5 kt. Waves less than 1 ft. Showers. A chance of
tstms through the night, then a chance of showers after midnight.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ536-080800-
Tidal Potomac from Indian Head to Cobb Island-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt...increasing to 15 kt with
gusts to 25 kt late. Waves 1 to 2 ft. Scattered showers.
.TUE...NW winds 10 to 15 kt with gusts to 30 kt. Waves 2 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.WED...W winds around 5 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.FRI...S winds 5 kt...becoming NW after midnight. Waves 1 ft.
Showers. A chance of tstms through the night, then a chance of
showers after midnight.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ537-080800-
Tidal Potomac from Cobb Island to Smith Point-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt...increasing to 15 kt with
gusts to 25 kt late. Waves 1 to 2 ft. Showers with isolated tstms
late this evening, then scattered showers. Vsby 1 NM or less...
increasing to 1 to 3 NM.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.TUE NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.WED...N winds 5 to 10 kt...becoming SE in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. A
chance of showers.
.THU NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 2 ft. Showers likely.
.FRI...SE winds 5 to 10 kt...becoming NW after midnight. Waves 2 ft.
Showers. A chance of tstms through the night, then a chance of
showers after midnight.
.SAT...N winds 10 kt. Waves 2 ft. A chance of showers in the
morning.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ530-080800-
Chesapeake Bay north of Pooles Island-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt...increasing to 15 kt with
gusts to 25 kt late. Waves 1 ft or less...building to 2 ft late.
Scattered showers late this evening, then isolated showers.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.TUE NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Showers.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day.

$$

ANZ531-080800-
Chesapeake Bay from Pooles Island to Sandy Point-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt...
increasing to 20 kt with gusts to 25 kt late. Waves 1 to 2 ft.
Scattered showers late this evening, then isolated showers.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt...diminishing
to 5 to 10 kt late. Waves 2 to 3 ft.
.WED...NW winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers.
.THU NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 2 ft. Showers likely.
.FRI...SE winds 5 to 10 kt...becoming N after midnight. Waves 1 to
2 ft. Showers.
.SAT...N winds 10 kt. Waves 2 ft. A chance of showers.

$$

ANZ538-080800-
Patapsco River including Baltimore Harbor-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...W winds 5 to 10 kt...becoming NW 15 kt with gusts
to 25 kt late. Waves 1 ft or less. Scattered showers late this
evening, then isolated showers.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.TUE NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt. Waves 1 to
2 ft.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.FRI...E winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
Showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ539-080800-
Chester River to Queenstown MD-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt...
increasing to 20 kt with gusts to 25 kt late. Waves 1 ft...building
to 3 ft late. Scattered showers.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt...diminishing
to 10 kt late. Waves 2 to 3 ft.
.WED...NW winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers.
.THU NIGHT...SE winds 10 kt. Gusts up to 20 kt in the evening. Waves
1 to 2 ft. Showers likely.
.FRI...SE winds 5 to 10 kt...becoming N after midnight. Waves 1 to
2 ft. Showers.
.SAT...NW winds 10 kt. Waves 2 ft. A chance of showers through the
day.

$$

ANZ532-080800-
Chesapeake Bay from Sandy Point to North Beach-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt...
increasing to 20 kt with gusts to 30 kt late. Waves 1 ft...building
to 3 ft late. Scattered showers.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt...diminishing
to 10 kt late. Waves 2 to 3 ft.
.WED...NW winds 5 to 10 kt...becoming S in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves 2 ft.
.THU...S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A chance
of showers.
.THU NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft. Showers likely.
.FRI...SE winds 5 to 10 kt...becoming N after midnight. Waves 2 ft.
Showers. A chance of tstms through the night.
.SAT...NW winds 10 kt. Waves 2 ft. A chance of showers through the
day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ540-080800-
Eastern Bay-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt...
increasing to 20 kt with gusts to 25 kt late. Waves 1 to 2 ft.
Scattered showers.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft.
.TUE NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt until early
morning. Waves 2 ft.
.WED...NW winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers.
.THU NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Showers likely.
.FRI...SE winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
Showers.
.SAT...NW winds 10 kt. Waves 1 to 2 ft. A chance of showers through
the day.

$$

ANZ533-080800-
Chesapeake Bay from North Beach to Drum Point-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt...
increasing to 20 kt with gusts to 30 kt late. Waves 1 ft...building
to 3 ft late. Scattered showers.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt...diminishing
to 10 kt late. Waves 2 to 3 ft.
.WED...NW winds 5 to 10 kt...becoming S in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves 2 ft.
.THU...S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A chance
of showers.
.THU NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft. Showers likely.
.FRI...SE winds 5 to 10 kt...becoming N after midnight. Waves 2 ft.
Showers. A chance of tstms through the night.
.SAT...N winds 10 kt. Waves 2 ft. A chance of showers through the
day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ541-080800-
Choptank River to Cambridge MD and the Little Choptank River-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt...
increasing to 20 kt with gusts to 30 kt late. Waves 1 to 2 ft.
Numerous showers late this evening, then scattered showers.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.WED...NW winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A chance
of showers.
.THU NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.FRI...SE winds 5 to 10 kt...becoming N after midnight. Waves 1 to
2 ft. Showers. A chance of tstms through the night.
.SAT...N winds 10 kt. Waves 2 ft. A chance of showers through the
day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ542-080800-
Patuxent River to Broomes Island MD-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 5 kt...increasing to 15 kt with gusts to
25 kt late. Waves 1 ft. Numerous showers with isolated tstms late
this evening, then scattered showers.
.TUE...NW winds 15 to 20 kt with gusts to 30 kt. Waves 1 ft.
.TUE NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt...becoming S in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.THU NIGHT...SE winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. Showers likely.
.FRI...SE winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
Showers. A chance of tstms through the night.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ534-080800-
Chesapeake Bay from Drum Point to Smith Point-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...NW winds 10 kt with gusts to 20 kt... increasing
to 20 kt with gusts to 30 kt late. Waves 1 to 2 ft...building to
3 ft late. Showers. Vsby 1 NM or less... increasing to 1 to 3 NM.
.TUE...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED...N winds 5 to 10 kt...becoming S in the afternoon. Waves 1 to
2 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves 2 ft.
.THU...SE winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A
chance of showers.
.THU NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft.
Showers likely.
.FRI...SE winds 5 to 10 kt...becoming NW 10 to 15 kt after midnight.
Waves 2 ft. Showers. A chance of tstms through the night.
.SAT...N winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers in
the morning.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ543-080800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1033 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...N winds 10 kt with gusts to 20 kt... becoming NW
20 kt with gusts to 30 kt late. Waves 1 to 2 ft. Showers. Vsby 1 to
3 NM.
.TUE...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED...N winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves 1 ft.
.THU...SE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.FRI...SE winds 5 to 10 kt...becoming NW after midnight. Waves 2 ft.
Showers. A chance of tstms through the night.
.SAT...N winds 10 to 15 kt. Waves 2 ft. A chance of showers in the
morning.

Winds and waves higher and visibilities lower in and near tstms.

$$