202
FZUS51 KLWX 010535
CWFLWX

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

ANZ500-012000-
134 AM 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.

$$

ANZ535-012000-
Tidal Potomac from Key Bridge to Indian Head-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...N winds 5 kt. Waves less than 1 ft.
.MON...NE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft or less.
.WED...S 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. Waves 1 ft. A chance of showers through
the night.
.FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ536-012000-
Tidal Potomac from Indian Head to Cobb Island-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...N winds 5 kt. Waves less than 1 ft.
.MON...NE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds around 5 kt. Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft.
.WED...S 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 through
the night.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ537-012000-
Tidal Potomac from Cobb Island to Smith Point-
134 AM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.OVERNIGHT...NE winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON NIGHT...NE winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves flat.
.WED...SW winds 5 kt...becoming SE in the afternoon. Waves 1 ft or
less.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ530-012000-
Chesapeake Bay north of Pooles Island-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...NE winds 5 kt. Waves less than 1 ft.
.MON...NE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft.
.WED...S winds around 5 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt. Waves 1 ft. Showers likely through the
night.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ531-012000-
Chesapeake Bay from Pooles Island to Sandy Point-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...E winds 5 kt. Waves less than 1 ft.
.MON...NE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 kt. Waves flat.
.WED...SW winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt. Waves 1 to 2 ft. Showers likely through
the night.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ538-012000-
Patapsco River including Baltimore Harbor-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...N winds 5 kt. Waves flat.
.MON...NE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 kt. Waves flat.
.TUE NIGHT...S winds around 5 kt. Waves flat.
.WED...S 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. Waves 1 ft. Showers likely through the
night.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ539-012000-
Chester River to Queenstown MD-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...E winds 5 kt. Waves flat.
.MON...NE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft or less.
.TUE...N winds 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...S winds around 5 kt. Waves flat.
.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. Waves 1 to 2 ft. A chance of showers
through the night.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ532-012000-
Chesapeake Bay from Sandy Point to North Beach-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...NE winds 5 kt. Waves less than 1 ft.
.MON...NE winds 10 to 15 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 kt. Waves flat.
.WED...S winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...S winds 10 kt. Waves 1 to 2 ft.
.THU...S winds 10 to 15 kt. Waves 1 to 2 ft...building to 2 to 3 ft.
A chance of showers through the night.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ540-012000-
Eastern Bay-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...E winds 5 kt. Waves less than 1 ft.
.MON...NE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 kt. Waves flat.
.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. Waves 1 ft. A chance of showers through
the night.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ533-012000-
Chesapeake Bay from North Beach to Drum Point-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...NE winds 10 to 15 kt. Waves 2 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds 5 kt. Waves flat.
.WED...S winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 15 to 20 kt. Waves 1 to 2 ft...building to 2 to 3 ft.
A chance of showers through the night.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ541-012000-
Choptank River to Cambridge MD and the Little Choptank River-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...NE winds 10 to 15 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds 5 kt. Waves flat.
.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. Waves 1 to 2 ft. A chance of showers
through the night.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ542-012000-
Patuxent River to Broomes Island MD-
134 AM EDT Mon Sep 1 2025

.OVERNIGHT...NE winds 5 kt. Waves less than 1 ft.
.MON...NE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...NE 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 1 ft.
.WED...S winds around 5 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt. Waves 1 ft. A chance of showers through
the night.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ534-012000-
Chesapeake Bay from Drum Point to Smith Point-
134 AM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.OVERNIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON NIGHT...NE winds 10 to 15 kt. Waves 1 to 2 ft.
.TUE...N winds 10 to 15 kt. Waves 1 to 2 ft.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft.
.WED...W winds 5 kt...becoming SE in the afternoon. Waves 1 ft or
less.
.WED NIGHT...S winds 10 kt. Waves 2 ft.
.THU...S winds 10 to 15 kt. Waves 1 to 2 ft...building to 3 ft. A
chance of showers through the night.
.FRI...S winds 10 kt. Waves 2 ft. A chance of showers in the
morning.

$$

ANZ543-012000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
134 AM EDT Mon Sep 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.OVERNIGHT...NE winds 10 kt with gusts to 20 kt. Waves 1 ft.
.MON...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...NE winds 10 to 15 kt. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds 5 kt. Waves flat.
.WED...NW winds 5 kt...becoming S in the afternoon. Waves 1 ft or
less.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.FRI...S winds 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$