054
FZUS51 KLWX 131136
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
736 AM EDT Sun Jul 13 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.

ANZ500-132000-
736 AM EDT Sun Jul 13 2025

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

High pressure will remain in place offshore through the upcoming
week. A weak cold front may move over the waters on Monday, before
stalling out and dissipating.

$$

ANZ535-132000-
Tidal Potomac from Key Bridge to Indian Head-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A slight chance of
showers and tstms this morning, then a chance of showers and tstms
this afternoon.
.TONIGHT...SE winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.MON...S winds around 5 kt. Waves 1 ft or less. Showers and tstms
likely. Vsby 1 NM or less.
.MON NIGHT...S winds around 5 kt. Waves 1 ft or less. A chance of
showers and tstms.
.TUE...S winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...S winds around 5 kt. Waves 1 ft. A chance of showers in the
morning, then showers likely with a chance of tstms through the
night.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ536-132000-
Tidal Potomac from Indian Head to Cobb Island-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers.
.TONIGHT...SE winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.MON...S winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms. Vsby 1 NM or less.
.MON NIGHT...S winds around 5 kt. Waves 1 ft or less. A chance of
showers and tstms.
.TUE...S winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning, then showers likely with a chance of tstms through the
night.
.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.

$$

ANZ537-132000-
Tidal Potomac from Cobb Island to Smith Point-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 to 10 kt. Waves 1 ft. A slight chance of showers
and tstms this morning, then a chance of showers and tstms this
afternoon.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...S winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning, then showers likely with a chance of tstms through the
night.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night. A chance of tstms.

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

$$

ANZ530-132000-
Chesapeake Bay north of Pooles Island-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms this afternoon.
.TONIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.MON...S winds around 5 kt. Waves 1 ft. Tstms likely with a chance
of showers. Vsby 1 NM or less.
.MON NIGHT...S winds around 5 kt. Waves 1 ft or less. A chance of
showers and tstms.
.TUE...S winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely through the
night. A chance of tstms. A chance of showers after midnight.

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

$$

ANZ531-132000-
Chesapeake Bay from Pooles Island to Sandy Point-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms this afternoon.
.TONIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.MON...S winds 5 kt. Waves less than 1 ft. Showers and tstms likely.
.MON NIGHT...SW winds around 5 kt. Waves 1 ft or less. A chance of
showers and tstms.
.TUE...S winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely through the
night. A chance of tstms. A chance of showers after midnight.

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

$$

ANZ538-132000-
Patapsco River including Baltimore Harbor-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A slight chance of
showers and tstms this morning, then a chance of showers and tstms
this afternoon.
.TONIGHT...SE winds around 5 kt. Waves 1 ft or less. A chance of
showers and tstms.
.MON...S winds around 5 kt. Waves flat. Showers and tstms likely.
.MON NIGHT...S winds around 5 kt. Waves flat. A chance of showers
and tstms.
.TUE...S winds around 5 kt. Waves flat. Showers likely with a chance
of tstms.
.TUE NIGHT...S winds around 5 kt. Waves flat. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft or less. Showers likely with a
chance of tstms.
.THU...SW winds 5 kt. Waves less than 1 ft. Showers likely through
the night. A chance of tstms. A chance of showers after midnight.

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

$$

ANZ539-132000-
Chester River to Queenstown MD-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves flat. A chance of showers and tstms
this afternoon.
.TONIGHT...SE winds 5 kt. Waves flat. A chance of showers and tstms.
.MON...S winds 5 kt. Waves flat. Showers and tstms likely.
.MON NIGHT...S winds around 5 kt. Waves flat. A chance of showers
and tstms.
.TUE...S winds around 5 kt. Waves flat. Showers likely with a chance
of tstms.
.TUE NIGHT...S winds 5 kt. Waves flat. A chance of showers and
tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ532-132000-
Chesapeake Bay from Sandy Point to North Beach-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.MON...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.MON NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.TUE...S winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ540-132000-
Eastern Bay-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves flat. A chance of showers and tstms
this afternoon.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.MON...S winds 5 kt. Waves flat. Showers likely with a chance of
tstms. Vsby 1 NM or less.
.MON NIGHT...S winds around 5 kt. Waves flat. A chance of showers
and tstms.
.TUE...SW winds 5 kt. Waves flat. Showers likely with a chance of
tstms.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ533-132000-
Chesapeake Bay from North Beach to Drum Point-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A slight chance of
showers and tstms this morning, then a chance of showers and tstms
this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.MON...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.TUE...S winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ541-132000-
Choptank River to Cambridge MD and the Little Choptank River-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms this afternoon.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.MON...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.MON NIGHT...S winds around 5 kt. Waves 1 ft or less. A chance of
showers and tstms.
.TUE...SW winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ542-132000-
Patuxent River to Broomes Island MD-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A chance of showers. A
slight chance of tstms this morning, then a chance of tstms this
afternoon.
.TONIGHT...SE winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.MON...S winds around 5 kt. Waves 1 ft. Showers likely with a chance
of tstms. Vsby 1 NM or less.
.MON NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.TUE...S winds around 5 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ534-132000-
Chesapeake Bay from Drum Point to Smith Point-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 to 10 kt. Waves 1 ft. A slight chance of
showers. A slight chance of tstms this afternoon.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms. Vsby 1 NM or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. A
chance of tstms.
.THU...SW winds 10 to 15 kt. Waves 2 ft. A chance of showers. A
chance of tstms.

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

$$

ANZ543-132000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
736 AM EDT Sun Jul 13 2025

.TODAY...SE winds 5 kt. Waves less than 1 ft. A slight chance of
showers and tstms this afternoon.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers. A
chance of tstms.

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

$$