278
FZUS51 KLWX 140835
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
435 AM EDT Mon Jul 14 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.

ANZ500-142300-
435 AM EDT Mon Jul 14 2025

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

High pressure will remain in place offshore through the week. A weak
 cold front will approach the waters from the west today before
moving through late Tuesday. This system stalls nearby before
returning northward as a warm front on Wednesday. Small Craft
Advisories may be needed Wednesday evening into Thursday,
particularly across the southern waters.

$$

ANZ535-142300-
Tidal Potomac from Key Bridge to Indian Head-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...Light winds. Waves flat. A slight chance of
showers.
.TODAY...S winds around 5 kt. Waves 1 ft. Showers with tstms likely.
Vsby 1 NM or less.
.TONIGHT...S winds around 5 kt. Waves 1 ft or less. Showers with
tstms likely. Vsby 1 NM or less.
.TUE...E 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.
.WED...S winds around 5 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.WED NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W 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.

$$

ANZ536-142300-
Tidal Potomac from Indian Head to Cobb Island-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...S winds 5 kt. Waves less than 1 ft. A
slight chance of showers. Vsby 1 to 3 NM.
.TODAY...S winds around 5 kt. Waves 1 ft. Showers with tstms likely.
Vsby 1 NM or less.
.TONIGHT...S winds around 5 kt. Waves 1 ft or less. Showers and
tstms likely. Vsby 1 NM or less.
.TUE...SW 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.
.WED...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.WED NIGHT...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.
.FRI...W 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.

$$

ANZ537-142300-
Tidal Potomac from Cobb Island to Smith Point-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...S winds 5 kt. Waves less than 1 ft. A
slight chance of showers. Vsby 1 to 3 NM.
.TODAY...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. Showers and tstms
likely. Vsby 1 NM or less.
.TUE...S winds around 5 kt. Waves 1 ft or less. Showers and tstms
likely.
.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. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W 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.

$$

ANZ530-142300-
Chesapeake Bay north of Pooles Island-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves flat. A chance of
showers with a slight chance of tstms. Vsby 1 NM or less.
.TODAY...S winds 5 kt. Waves flat. Tstms likely with a chance of
showers. Vsby 1 NM or less.
.TONIGHT...S winds around 5 kt. Waves flat. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.TUE...SE 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.
.WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W 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.

$$

ANZ531-142300-
Chesapeake Bay from Pooles Island to Sandy Point-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. A
chance of showers with a slight chance of tstms. Vsby 1 NM or less.
.TODAY...S winds 5 kt. Waves less than 1 ft. Showers with tstms
likely. Vsby 1 NM or less.
.TONIGHT...S winds around 5 kt. Waves 1 ft or less. Showers with
tstms likely. Vsby 1 NM or less.
.TUE...E 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.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W 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.

$$

ANZ538-142300-
Patapsco River including Baltimore Harbor-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...S winds 5 kt. Waves flat. A chance of
showers with a slight chance of tstms.
.TODAY...SE winds 5 kt. Waves flat. Showers with tstms likely. Vsby
1 NM or less.
.TONIGHT...SW winds around 5 kt. Waves flat. Showers with tstms
likely. Vsby 1 NM or less.
.TUE...E 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 around 5 kt. Waves 1 ft or less. Showers and tstms
likely.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers and tstms.
.THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.FRI...W 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.

$$

ANZ539-142300-
Chester River to Queenstown MD-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves flat. A chance of
showers with a slight chance of tstms.
.TODAY...S winds 5 kt. Waves flat. Showers with tstms likely. Vsby
1 NM or less.
.TONIGHT...S winds around 5 kt. Waves flat. Showers with tstms
likely. Vsby 1 NM or less.
.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 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.

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

$$

ANZ532-142300-
Chesapeake Bay from Sandy Point to North Beach-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...S winds 5 kt. Waves less than 1 ft. A
chance of showers with a slight chance of tstms.
.TODAY...S winds 5 to 10 kt. Waves 1 ft. Showers with tstms likely.
Vsby 1 NM or less.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. Showers with tstms
likely. Vsby 1 NM or less.
.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.
.WED NIGHT...SW winds 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W 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.

$$

ANZ540-142300-
Eastern Bay-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves flat. A slight chance
of showers and tstms.
.TODAY...S winds 5 kt. Waves flat. Showers with tstms likely. Vsby
1 NM or less.
.TONIGHT...S winds around 5 kt. Waves flat. Showers and tstms
likely. Vsby 1 NM or less.
.TUE...S 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.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.

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

$$

ANZ533-142300-
Chesapeake Bay from North Beach to Drum Point-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...S winds 5 kt. Waves less than 1 ft. A
slight chance of showers.
.TODAY...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
Vsby 1 NM or less.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
Vsby 1 NM or less.
.TUE...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W 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.

$$

ANZ541-142300-
Choptank River to Cambridge MD and the Little Choptank River-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. A
slight chance of showers.
.TODAY...S winds 5 kt. Waves less than 1 ft. Showers and tstms
likely. Vsby 1 NM or less.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. Showers and tstms
likely. Vsby 1 NM or less.
.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.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W 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.

$$

ANZ542-142300-
Patuxent River to Broomes Island MD-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...S winds 5 kt. Waves less than 1 ft. A
slight chance of showers.
.TODAY...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
Vsby 1 NM or less.
.TONIGHT...S winds around 5 kt. Waves 1 ft. Showers and tstms
likely. Vsby 1 NM or less.
.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...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.FRI...W 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.

$$

ANZ534-142300-
Chesapeake Bay from Drum Point to Smith Point-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.TODAY...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely with a
chance of tstms.
.WED NIGHT...SW winds 10 to 15 kt. Waves 2 ft. A chance of showers
and tstms.
.THU...SW winds 10 to 15 kt. Waves 2 ft. A chance of showers. A
chance of tstms through the night.
.FRI...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and
tstms.

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

$$

ANZ543-142300-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
435 AM EDT Mon Jul 14 2025

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves less than 1 ft.
.TODAY...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers and tstms.
.THU...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI...W 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.

$$