404
FZUS51 KLWX 060237
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1036 PM EDT Sat Jul 5 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.

ANZ500-060800-
1036 PM EDT Sat Jul 5 2025

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

High pressure will build across the area this holiday weekend, while
 low pressure associated with Tropical Storm Chantal tracks toward
the Carolina coast. This area of low pressure weakens upon landfall
late this weekend. A cold front will approach the waters from the
northwest Monday before eventually stalling nearby through the
middle of next week. Small Craft Advisories may be needed Sunday
evening into the night.

$$

ANZ535-060800-
Tidal Potomac from Key Bridge to Indian Head-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds around 5 kt. Waves 1 ft or less.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.MON NIGHT...S winds around 5 kt. Waves 1 ft.
.TUE...SW winds around 5 kt. Waves 1 ft. Showers likely with a
chance of tstms.
.TUE NIGHT...W winds around 5 kt. Waves 1 ft or less. A chance of
showers and tstms.
.WED...SW winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.
.THU...S winds around 5 kt. Waves 1 ft. Showers likely with a chance
of tstms.

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

$$

ANZ536-060800-
Tidal Potomac from Indian Head to Cobb Island-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.MON NIGHT...S winds around 5 kt. Waves 1 ft.
.TUE...SW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...SW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...S winds around 5 kt. Waves 1 ft. Showers likely with a chance
of tstms.

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

$$

ANZ537-060800-
Tidal Potomac from Cobb Island to Smith Point-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds 5 to 10 kt. Waves 1 to 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers.
.MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.THU...S winds 5 kt. Waves less than 1 ft. A chance of showers in
the morning, then showers likely with a chance of tstms.

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

$$

ANZ530-060800-
Chesapeake Bay north of Pooles Island-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.TUE...SW winds 5 kt. Waves less than 1 ft. Tstms likely.
.TUE NIGHT...W winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...W winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.
.THU...SE winds around 5 kt. Waves 1 ft. A chance of showers in the
morning, then a chance of tstms through the night. Showers likely.

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

$$

ANZ531-060800-
Chesapeake Bay from Pooles Island to Sandy Point-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...S 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.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft. Showers and tstms
likely.
.TUE NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...SW winds around 5 kt. Waves flat. A chance of showers and
tstms.
.THU...SE winds around 5 kt. Waves 1 ft or less. A chance of showers
in the morning, then showers likely with a chance of tstms.

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

$$

ANZ538-060800-
Patapsco River including Baltimore Harbor-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. Showers likely with a
chance of tstms.
.MON NIGHT...S winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds around 5 kt. Waves 1 ft or less. Showers and tstms
likely.
.TUE NIGHT...W winds around 5 kt. Waves flat. A chance of showers
and tstms.
.WED...SW winds around 5 kt. Waves flat. A chance of showers and
tstms.
.THU...S winds around 5 kt. Waves 1 ft or less. A chance of showers
in the morning, then showers likely with a chance of tstms.

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

$$

ANZ539-060800-
Chester River to Queenstown MD-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.TUE...SW winds 5 kt. Waves less than 1 ft. Showers and tstms
likely.
.TUE NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...SW winds around 5 kt. Waves flat. A chance of showers and
tstms.
.THU...S winds around 5 kt. Waves flat. A chance of showers in the
morning, then showers likely with a chance of tstms.

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

$$

ANZ532-060800-
Chesapeake Bay from Sandy Point to North Beach-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.THU...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
in the morning, then showers likely with a chance of tstms.

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

$$

ANZ540-060800-
Eastern Bay-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN NIGHT...S 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.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.WED...SW winds around 5 kt. Waves flat. A chance of showers and
tstms.
.THU...S winds 5 kt. Waves less than 1 ft. A chance of showers in
the morning, then showers likely with a chance of tstms.

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

$$

ANZ533-060800-
Chesapeake Bay from North Beach to Drum Point-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 to 2 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of 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. A chance of showers and
tstms.
.TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.THU...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
through the day. A chance of tstms. Showers likely through the
night.

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

$$

ANZ541-060800-
Choptank River to Cambridge MD and the Little Choptank River-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN NIGHT...S 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.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.THU...S winds 5 kt. Waves less than 1 ft. A chance of showers
through the day. A chance of tstms. Showers likely through the
night.

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

$$

ANZ542-060800-
Patuxent River to Broomes Island MD-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.TUE NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...SW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...S winds around 5 kt. Waves 1 ft. A chance of showers through
the day. A chance of tstms. Showers likely through the night.

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

$$

ANZ534-060800-
Chesapeake Bay from Drum Point to Smith Point-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...S winds 10 kt. Waves 1 ft.
.SUN...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.MON...S winds 10 kt. Waves 2 ft. Showers likely with a chance of
tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers and tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...W winds 5 to 10 kt...becoming SW. Waves 1 ft. A chance of
showers. A chance of tstms.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning, then showers likely with a chance of tstms.

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

$$

ANZ543-060800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1036 PM EDT Sat Jul 5 2025

.REST OF TONIGHT...SE winds 10 kt. Waves 1 ft.
.SUN...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers and tstms.
.MON...S winds 10 kt. Waves 1 ft. A chance of showers and tstms.
.MON NIGHT...S winds 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. A
chance of tstms.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day. A chance of tstms. Showers likely through the night.

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

$$