102
FZUS51 KLWX 142057
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
457 PM EDT Mon Sep 14 2026

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.

ANZ500-150800-
457 PM EDT Mon Sep 14 2026

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

Canadian high pressure will return during the early to middle
portions of the week. Another cold front is expected to near the
region by Friday morning before high pressure builds in from the
northwest.

$$

ANZ535-150800-
Tidal Potomac from Key Bridge to Indian Head-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 10 kt. |* Insufficient grids for
WaveHeight during (Sep 14 26 20:00:00 GMT, Sep
14 26 22:00:00 GMT)*|.
.TONIGHT...N winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 14 26 22:00:00 GMT, Sep 15 26 10:00:00 GMT)*|.
.TUE...E winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 15 26 10:00:00 GMT, Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...N winds around 5 kt. Waves 1 ft. A chance of showers through
the night.

$$

ANZ536-150800-
Tidal Potomac from Indian Head to Cobb Island-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 10 kt. |* Insufficient grids for
WaveHeight during (Sep 14 26 20:00:00 GMT, Sep
14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 14 26 22:00:00 GMT, Sep 15 26 10:00:00 GMT)*|.
.TUE...E winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 15 26 10:00:00 GMT, Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 22:00:00 GMT, Sep 17 26 10:00:00 GMT)*|.
.THU...S winds 5 kt. |* Insufficient grids for WaveHeight during
(Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...N winds around 5 kt. Waves 1 ft.

$$

ANZ537-150800-
Tidal Potomac from Cobb Island to Smith Point-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 25 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 10 to 15 kt with gusts to 25 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 15 26 10:00:00 GMT, Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...SE winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...W winds 5 to 10 kt...becoming NE. Waves 1 ft or less.

$$

ANZ530-150800-
Chesapeake Bay north of Pooles Island-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 20 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt until late afternoon...becoming light. |*
Insufficient grids for WaveHeight during (Sep 15 26 10:00:00 GMT,
Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...N winds 5 kt...becoming NE after midnight. Waves 1 ft or
less.

$$

ANZ531-150800-
Chesapeake Bay from Pooles Island to Sandy Point-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 20 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...N winds 10 to 15 kt...becoming NE late. Gusts up to
20 kt. |* Insufficient grids for WaveHeight during (Sep
14 26 22:00:00 GMT, Sep 15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt until late afternoon...becoming light. |*
Insufficient grids for WaveHeight during (Sep 15 26 10:00:00 GMT,
Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds 5 kt. |* Insufficient grids for WaveHeight during
(Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...NW winds 5 kt...becoming NE. Waves 1 ft.

$$

ANZ538-150800-
Patapsco River including Baltimore Harbor-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 10 kt with gusts to 20 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt until early
morning. |* Insufficient grids for WaveHeight during (Sep
14 26 22:00:00 GMT, Sep 15 26 10:00:00 GMT)*|.
.TUE...E winds 5 kt. |* Insufficient grids for WaveHeight during
(Sep 15 26 10:00:00 GMT, Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...S winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...NE winds 5 kt. Waves flat.

$$

ANZ539-150800-
Chester River to Queenstown MD-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 20 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 15 26 10:00:00 GMT, Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...NW winds 5 kt...becoming E after midnight. Waves 1 ft.

$$

ANZ532-150800-
Chesapeake Bay from Sandy Point to North Beach-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 25 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 10 to 15 kt with gusts to 25 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt...becoming S late. |* Insufficient grids
for WaveHeight during (Sep 15 26 10:00:00 GMT, Sep
15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...W winds 5 to 10 kt...becoming NE. Waves 1 ft.

$$

ANZ540-150800-
Eastern Bay-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 20 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt until late afternoon...becoming light. |*
Insufficient grids for WaveHeight during (Sep 15 26 10:00:00 GMT,
Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...NW winds 5 kt...becoming E after midnight. Waves 1 ft or
less.

$$

ANZ533-150800-
Chesapeake Bay from North Beach to Drum Point-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 25 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 10 to 15 kt with gusts to 25 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt...becoming S late. |* Insufficient grids
for WaveHeight during (Sep 15 26 10:00:00 GMT, Sep
15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...W winds 5 to 10 kt...becoming NE. Waves 1 ft.

$$

ANZ541-150800-
Choptank River to Cambridge MD and the Little Choptank River-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 25 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt...becoming SW late. |* Insufficient grids
for WaveHeight during (Sep 15 26 10:00:00 GMT, Sep
15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...NW winds 5 to 10 kt...becoming E. Waves 1 ft.

$$

ANZ542-150800-
Patuxent River to Broomes Island MD-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...N winds 10 kt with gusts to 20 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 5 to 10 kt with gusts to 20 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 15 26 10:00:00 GMT, Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...S winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds around 5 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...NE winds 5 kt. Waves less than 1 ft.

$$

ANZ534-150800-
Chesapeake Bay from Drum Point to Smith Point-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF THIS AFTERNOON...N winds 20 kt with gusts to 25 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...NE winds 10 to 15 kt...becoming E around 5 kt in the
afternoon. |* Insufficient grids for WaveHeight during (Sep
15 26 10:00:00 GMT, Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...SE winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...SW winds 5 to 10 kt...becoming E. Waves 1 ft.

$$

ANZ543-150800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
457 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 25 kt. |*
Insufficient grids for WaveHeight during (Sep 14 26 20:00:00 GMT,
Sep 14 26 22:00:00 GMT)*|.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. |* Insufficient
grids for WaveHeight during (Sep 14 26 22:00:00 GMT, Sep
15 26 10:00:00 GMT)*|.
.TUE...E winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 15 26 10:00:00 GMT, Sep 15 26 22:00:00 GMT)*|.
.TUE NIGHT...SE winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 15 26 22:00:00 GMT, Sep
16 26 10:00:00 GMT)*|.
.WED...SE winds around 5 kt. |* Insufficient grids for WaveHeight
during (Sep 16 26 10:00:00 GMT, Sep 16 26 22:00:00 GMT)*|.
.WED NIGHT...S winds 5 to 10 kt. |* Insufficient grids for
WaveHeight during (Sep 16 26 22:00:00 GMT, Sep
17 26 10:00:00 GMT)*|.
.THU...S winds 5 to 10 kt. |* Insufficient grids for WaveHeight
during (Sep 17 26 10:00:00 GMT, Sep 18 26 10:00:00 GMT)*|.
.FRI...SW winds 5 to 10 kt...becoming E. Waves 1 ft.

$$