107
FZUS51 KLWX 092334
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
734 PM EDT Sat Aug 9 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.

ANZ500-100800-
734 PM EDT Sat Aug 9 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 next week as the
 high moves away.

$$

ANZ535-100800-
Tidal Potomac from Key Bridge to Indian Head-
734 PM EDT Sat Aug 9 2025

.TONIGHT...E winds around 5 kt. Waves 1 ft or less.
.SUN...E winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...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 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...NE winds around 5 kt. Waves 1 ft. A chance of showers through
the night.

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

$$

ANZ536-100800-
Tidal Potomac from Indian Head to Cobb Island-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds around 5 kt. Waves 1 ft or less.
.SUN...E winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...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 around 5 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.THU...NW winds around 5 kt. Waves 1 ft. A chance of showers through
the night.

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

$$

ANZ537-100800-
Tidal Potomac from Cobb Island to Smith Point-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.SUN...E winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...SE winds around 5 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...S winds 5 kt. Waves less than 1 ft. A chance of showers
through the night.

$$

ANZ530-100800-
Chesapeake Bay north of Pooles Island-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds around 5 kt. Waves 1 ft or less.
.SUN...E winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...S winds around 5 kt. Waves 1 ft.
.MON...S 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 through the night.
.THU...N winds around 5 kt. Waves 1 ft. A chance of showers through
the night.

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

$$

ANZ531-100800-
Chesapeake Bay from Pooles Island to Sandy Point-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds 5 kt. Waves flat.
.SUN...SE winds around 5 kt. Waves flat.
.SUN NIGHT...S winds around 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...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.THU...NE winds 5 kt. Waves less than 1 ft. A chance of showers
through the night.

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

$$

ANZ538-100800-
Patapsco River including Baltimore Harbor-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds around 5 kt. Waves flat.
.SUN...E winds around 5 kt. Waves flat.
.SUN NIGHT...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...SW winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms through the night.
.THU...NE winds around 5 kt. Waves flat. A chance of showers through
the night.

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

$$

ANZ539-100800-
Chester River to Queenstown MD-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds around 5 kt. Waves flat.
.SUN...Light winds. Waves flat.
.SUN NIGHT...S winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves flat.
.MON NIGHT...S winds around 5 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...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.THU...NE winds 5 kt. Waves flat. A chance of showers through the
night.

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

$$

ANZ532-100800-
Chesapeake Bay from Sandy Point to North Beach-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds 5 kt. Waves flat.
.SUN...SE winds around 5 kt. Waves flat.
.SUN NIGHT...S winds 5 kt. Waves less than 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 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 through
the night.
.THU...E winds 5 kt. Waves less than 1 ft. A chance of showers
through the night.

$$

ANZ540-100800-
Eastern Bay-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds around 5 kt. Waves flat.
.SUN...E winds around 5 kt. Waves flat.
.SUN NIGHT...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...SW winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds 5 kt. Waves flat. A chance of showers through the
night.

$$

ANZ533-100800-
Chesapeake Bay from North Beach to Drum Point-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.SUN...E winds around 5 kt. Waves flat.
.SUN NIGHT...S winds 5 kt. Waves less than 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 or less.
.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...becoming SE. Waves 1 ft. A chance of showers
through the night.

$$

ANZ541-100800-
Choptank River to Cambridge MD and the Little Choptank River-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds 5 kt. Waves flat.
.SUN...E winds around 5 kt. Waves flat.
.SUN NIGHT...S winds around 5 kt. Waves 1 ft or less.
.MON...SE winds around 5 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...SW winds 5 to 10 kt. Waves 1 ft.
.THU...E winds 5 kt. Waves less than 1 ft. A chance of showers
through the night.

$$

ANZ542-100800-
Patuxent River to Broomes Island MD-
734 PM EDT Sat Aug 9 2025

.TONIGHT...SE winds around 5 kt. Waves 1 ft or less.
.SUN...E winds around 5 kt. Waves 1 ft.
.SUN NIGHT...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 around 5 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.THU...SE winds around 5 kt. Waves 1 ft. A chance of showers through
the night.

$$

ANZ534-100800-
Chesapeake Bay from Drum Point to Smith Point-
734 PM EDT Sat Aug 9 2025

.TONIGHT...E winds 5 kt. Waves less than 1 ft.
.SUN...E winds 5 kt. Waves flat.
.SUN NIGHT...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 to 2 ft.
.THU...SW winds 5 kt...becoming S. Waves 1 ft. A chance of showers
through the night.

$$

ANZ543-100800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
734 PM EDT Sat Aug 9 2025

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less.
.SUN...NE winds 5 kt. Waves flat.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...SE winds 5 kt. Waves less than 1 ft.
.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...W winds 5 kt...becoming S. Waves 1 ft.

$$