688
FZUS51 KLWX 101434
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1034 AM EDT Sun Aug 10 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.

ANZ500-102000-
1034 AM EDT Sun Aug 10 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.

$$

ANZ535-102000-
Tidal Potomac from Key Bridge to Indian Head-
1034 AM EDT Sun Aug 10 2025

.REST OF TODAY...SE winds around 5 kt. Waves 1 ft or less.
.TONIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...SE winds around 5 kt. Waves 1 ft or less. Patchy fog. Vsby
1 to 3 NM.
.MON NIGHT...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 and
tstms through the night.
.THU...NW winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms through the night.

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

$$

ANZ536-102000-
Tidal Potomac from Indian Head to Cobb Island-
1034 AM EDT Sun Aug 10 2025

.REST OF TODAY...SE winds around 5 kt. Waves 1 ft or less.
.TONIGHT...S winds around 5 kt. Waves 1 ft.
.MON...SE winds around 5 kt. Waves 1 ft or less. Patchy fog. Vsby
1 to 3 NM.
.MON NIGHT...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 and
tstms in the afternoon.
.THU...NW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ537-102000-
Tidal Potomac from Cobb Island to Smith Point-
1034 AM EDT Sun Aug 10 2025

.REST OF TODAY...E winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...SE winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...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 to 10 kt. Waves 1 ft.
.THU...NW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ530-102000-
Chesapeake Bay north of Pooles Island-
1034 AM EDT Sun Aug 10 2025

.REST OF TODAY...SE winds around 5 kt. Waves 1 ft or less.
.TONIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...SE winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...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 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.THU...NW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ531-102000-
Chesapeake Bay from Pooles Island to Sandy Point-
1034 AM EDT Sun Aug 10 2025

.REST OF TODAY...SE winds around 5 kt. Waves flat.
.TONIGHT...S winds 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 kt. Waves less than 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 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...NW winds 5 kt. Waves flat. A chance of showers and tstms
through the night.

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

$$

ANZ538-102000-
Patapsco River including Baltimore Harbor-
1034 AM EDT Sun Aug 10 2025

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

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

$$

ANZ539-102000-
Chester River to Queenstown MD-
1034 AM EDT Sun Aug 10 2025

.REST OF TODAY...SE winds around 5 kt. Waves flat.
.TONIGHT...S winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves flat.
.MON NIGHT...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.
.THU...NW winds 5 kt. Waves flat. A chance of showers and tstms
through the night.

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

$$

ANZ532-102000-
Chesapeake Bay from Sandy Point to North Beach-
1034 AM EDT Sun Aug 10 2025

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

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

$$

ANZ540-102000-
Eastern Bay-
1034 AM EDT Sun Aug 10 2025

.REST OF TODAY...SE winds around 5 kt. Waves flat.
.TONIGHT...S winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves flat.
.MON NIGHT...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 to 10 kt. Waves 1 ft or less.
.THU...NW winds 5 kt. Waves flat. A chance of showers and tstms
through the night.

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

$$

ANZ533-102000-
Chesapeake Bay from North Beach to Drum Point-
1034 AM EDT Sun Aug 10 2025

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

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

$$

ANZ541-102000-
Choptank River to Cambridge MD and the Little Choptank River-
1034 AM EDT Sun Aug 10 2025

.REST OF TODAY...SE winds around 5 kt. Waves flat.
.TONIGHT...S winds around 5 kt. Waves 1 ft.
.MON...SE winds around 5 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 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 to 10 kt. Waves 1 ft.
.THU...NW winds 5 kt. Waves flat. A chance of showers and tstms
through the night.

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

$$

ANZ542-102000-
Patuxent River to Broomes Island MD-
1034 AM EDT Sun Aug 10 2025

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

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

$$

ANZ534-102000-
Chesapeake Bay from Drum Point to Smith Point-
1034 AM EDT Sun Aug 10 2025

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

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

$$

ANZ543-102000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1034 AM EDT Sun Aug 10 2025

.REST OF TODAY...SE winds 5 kt. Waves flat.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...SE winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...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 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$