103
FZUS51 KLWX 111435
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1035 AM EDT Mon Aug 11 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.

ANZ500-112000-
1035 AM EDT Mon Aug 11 2025

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

High pressure will remain draped from the Canadian Maritimes
southwest to the Mid-Atlantic through Tuesday. A frontal system may
gradually approach from the west the second half of the week as the
high moves away. Southerly channeling could approach Small Craft
Advisory levels Tuesday evening.

$$

ANZ535-112000-
Tidal Potomac from Key Bridge to Indian Head-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds around 5 kt. Waves 1 ft.
.TONIGHT...S winds around 5 kt. Waves 1 ft.
.TUE...S winds around 5 kt. Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft.
.WED...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.THU...N winds around 5 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...E winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-112000-
Tidal Potomac from Indian Head to Cobb Island-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds around 5 kt. Waves 1 ft.
.TONIGHT...S winds around 5 kt. Waves 1 ft.
.TUE...S winds around 5 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.THU...N winds around 5 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...E winds around 5 kt. Waves 1 ft.

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

$$

ANZ537-112000-
Tidal Potomac from Cobb Island to Smith Point-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds 5 to 10 kt. Waves 1 ft or less. A slight
chance of showers and tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.FRI...E winds 5 kt. Waves less than 1 ft.

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

$$

ANZ530-112000-
Chesapeake Bay north of Pooles Island-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...S winds around 5 kt. Waves flat.
.TONIGHT...S winds around 5 kt. Waves 1 ft or less.
.TUE...S winds around 5 kt. Waves 1 ft or less.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.THU...N winds 5 kt. Waves flat. A chance of showers and tstms
through the night.
.FRI...E winds around 5 kt. Waves 1 ft or less.

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

$$

ANZ531-112000-
Chesapeake Bay from Pooles Island to Sandy Point-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.FRI...E winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft
or less.

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

$$

ANZ538-112000-
Patapsco River including Baltimore Harbor-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft.
.TONIGHT...S winds around 5 kt. Waves 1 ft or less.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.THU...N winds around 5 kt. Waves flat. A chance of showers and
tstms through the night.
.FRI...E winds around 5 kt. Waves flat.

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

$$

ANZ539-112000-
Chester River to Queenstown MD-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...S winds around 5 kt. Waves flat.
.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds around 5 kt. Waves 1 ft or less.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers.
.THU...N winds around 5 kt. Waves flat. A chance of showers and
tstms through the night.
.FRI...E winds around 5 kt. Waves 1 ft or less.

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

$$

ANZ532-112000-
Chesapeake Bay from Sandy Point to North Beach-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.FRI...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.


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

$$

ANZ540-112000-
Eastern Bay-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...S winds around 5 kt. Waves flat.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers.
.THU...N winds around 5 kt. Waves flat. A chance of showers and
tstms through the night.
.FRI...E winds 5 kt. Waves less than 1 ft.

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

$$

ANZ533-112000-
Chesapeake Bay from North Beach to Drum Point-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds 5 to 10 kt. Waves 1 ft or less.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.FRI...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.


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

$$

ANZ541-112000-
Choptank River to Cambridge MD and the Little Choptank River-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds around 5 kt. Waves 1 ft or less.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.FRI...E winds 5 kt. Waves less than 1 ft.

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

$$

ANZ542-112000-
Patuxent River to Broomes Island MD-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.THU...N winds around 5 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...E winds around 5 kt. Waves 1 ft.

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

$$

ANZ534-112000-
Chesapeake Bay from Drum Point to Smith Point-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ543-112000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1035 AM EDT Mon Aug 11 2025

.REST OF TODAY...SE winds 5 to 10 kt. Waves 1 ft or less.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.

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

$$