472
FZUS51 KLWX 020234
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1034 PM EDT Mon Sep 1 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.

ANZ500-020800-
1034 PM EDT Mon Sep 1 2025

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

High pressure north of the area will remain in place through the
middle of the week. The next cold front approaches the waters by
late Thursday. A Small Craft Advisory may be needed for portions of
the waters on Wednesday night through Thursday night.

$$

ANZ535-020800-
Tidal Potomac from Key Bridge to Indian Head-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...NE winds 5 kt. Waves less than 1 ft. Scattered
showers late this evening.
.TUE...NE winds around 5 kt. Waves 1 ft.
.TUE NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.WED...SW winds around 5 kt. Waves 1 ft or less.
.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...S winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. A chance of showers.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.

$$

ANZ536-020800-
Tidal Potomac from Indian Head to Cobb Island-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...NE winds 5 kt. Waves less than 1 ft. Scattered
showers late this evening.
.TUE...NE winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft or less.
.WED...SW winds around 5 kt. Waves 1 ft or less.
.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.
.THU NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. A chance of showers.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.


$$

ANZ537-020800-
Tidal Potomac from Cobb Island to Smith Point-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...NE winds 10 kt. Waves 1 to 2 ft. Scattered
showers late this evening.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds around 5 kt. Waves 1 ft or less.
.WED...NE winds around 5 kt. Waves 1 ft or less.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.


$$

ANZ530-020800-
Chesapeake Bay north of Pooles Island-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...NE winds 5 kt. Waves less than 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds around 5 kt. Waves flat.
.WED...SE winds around 5 kt. Waves flat.
.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.
.THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
A chance of showers through the night.

$$

ANZ531-020800-
Chesapeake Bay from Pooles Island to Sandy Point-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds around 5 kt. Waves flat.
.WED...SE winds around 5 kt. Waves 1 ft or less.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. Waves 1 to 2 ft.
.THU NIGHT...S winds 15 to 20 kt. Waves 2 ft. A chance of showers.
.FRI...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in
the morning.
.SAT...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of showers through the night.

$$

ANZ538-020800-
Patapsco River including Baltimore Harbor-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...E winds 5 kt. Waves less than 1 ft.
.TUE...NE winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...SE winds around 5 kt. Waves flat.
.WED...E winds around 5 kt. Waves 1 ft or less.
.WED NIGHT...S winds 5 kt. Waves less than 1 ft.
.THU...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft
or less.

$$

ANZ539-020800-
Chester River to Queenstown MD-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...E winds around 5 kt. Waves flat.
.WED...SE winds around 5 kt. Waves flat.
.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.
.THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.
.SAT...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of showers through the night.

$$

ANZ532-020800-
Chesapeake Bay from Sandy Point to North Beach-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...E winds 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...E winds around 5 kt. Waves flat.
.WED...E winds 5 kt. Waves less than 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 kt...increasing to 15 to 20 kt in the afternoon.
Waves 1 ft...building to 3 ft in the afternoon.
.THU NIGHT...S winds 15 to 20 kt. Waves 2 to 3 ft. A chance of
showers.
.FRI...S winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.


$$

ANZ540-020800-
Eastern Bay-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...E winds around 5 kt. Waves flat.
.WED...SE winds around 5 kt. Waves flat.
.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.
.THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of showers through the night.

$$

ANZ533-020800-
Chesapeake Bay from North Beach to Drum Point-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...NE winds 10 kt. Waves 1 ft. Scattered showers
late this evening.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...E winds around 5 kt. Waves 1 ft or less.
.WED...E winds 5 kt. Waves less than 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...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.
.THU NIGHT...S winds 15 to 20 kt. Waves 2 to 3 ft. A chance of
showers.
.FRI...S winds 10 to 15 kt. Waves 1 to 2 ft.
.SAT...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.

$$

ANZ541-020800-
Choptank River to Cambridge MD and the Little Choptank River-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...NE winds 10 kt. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...E winds around 5 kt. Waves flat.
.WED...E winds around 5 kt. Waves flat.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. Waves 1 to 2 ft.
.THU NIGHT...S winds 15 to 20 kt. Waves 2 ft. A chance of showers.
.FRI...S winds 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.

$$

ANZ542-020800-
Patuxent River to Broomes Island MD-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...NE winds 5 kt. Waves less than 1 ft. Numerous
showers late this evening.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...E winds around 5 kt. Waves 1 ft.
.WED...E winds around 5 kt. Waves 1 ft.
.WED NIGHT...S winds 5 kt. Waves less than 1 ft.
.THU...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.

$$

ANZ534-020800-
Chesapeake Bay from Drum Point to Smith Point-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...NE winds 10 kt. Waves 1 to 2 ft. Scattered
showers late this evening.
.TUE...N winds 10 to 15 kt...diminishing to 5 kt late. Waves 1 to
2 ft.
.TUE NIGHT...NE winds 5 kt. Waves less than 1 ft.
.WED...E 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 ft...
building to 3 ft in the afternoon.
.THU NIGHT...S winds 15 to 20 kt. Waves 3 ft.
.FRI...S winds 10 to 15 kt. Waves 2 ft.
.SAT...S winds 5 to 10 kt...becoming N 10 to 15 kt after midnight.
Waves 1 to 2 ft. A chance of showers through the night.

$$

ANZ543-020800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1034 PM EDT Mon Sep 1 2025

.REST OF TONIGHT...NE winds 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 kt. Waves less than 1 ft.
.WED...NW winds 5 kt. Waves flat.
.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.
.THU NIGHT...S winds 15 to 20 kt. Waves 2 ft.
.FRI...S winds 10 to 15 kt. Waves 1 to 2 ft.
.SAT...S winds 10 kt...becoming NW after midnight. Waves 1 ft. A
chance of showers through the night.

$$