926
FZUS51 KLWX 150257
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1057 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-
1057 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-
1057 PM EDT Mon Sep 14 2026

.REST OF TONIGHT...NE winds 5 kt. Waves less than 1 ft.
.TUE...E winds around 5 kt. Waves 1 ft.
.TUE NIGHT...SE winds around 5 kt. Waves 1 ft.
.WED...S winds around 5 kt. Waves 1 ft.
.WED NIGHT...S winds around 5 kt. Waves 1 ft.
.THU...S winds around 5 kt. Waves 1 ft.
.THU NIGHT...S winds around 5 kt. Waves 1 ft.
.FRI...N winds around 5 kt. Waves 1 ft. A chance of showers through
the night.
.SAT...SE winds 5 kt. Waves less than 1 ft.

$$

ANZ536-150800-
Tidal Potomac from Indian Head to Cobb Island-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.TUE...E winds around 5 kt. Waves 1 ft.
.TUE NIGHT...SE winds around 5 kt. Waves 1 ft.
.WED...S winds around 5 kt. Waves 1 ft.
.WED NIGHT...S winds 5 kt. Waves less than 1 ft.
.THU...S winds 5 kt. Waves less than 1 ft.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft.
.FRI...N winds around 5 kt. Waves 1 ft.
.SAT...SE winds 5 kt. Waves less than 1 ft.

$$

ANZ537-150800-
Tidal Potomac from Cobb Island to Smith Point-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...E winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE NIGHT...SE winds around 5 kt. Waves 1 ft.
.WED...SE winds around 5 kt. Waves flat.
.WED NIGHT...S winds around 5 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...W winds 5 to 10 kt...becoming NE. Waves 1 ft.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.

$$

ANZ530-150800-
Chesapeake Bay north of Pooles Island-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 10 kt. Waves 1 ft.
.TUE...E winds 5 to 10 kt until late afternoon...becoming light.
Waves 1 ft or less.
.TUE NIGHT...SE winds 5 to 10 kt. Waves flat.
.WED...S winds around 5 kt. Waves flat.
.WED NIGHT...S winds around 5 kt. Waves flat.
.THU...S winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 kt...becoming NE after midnight. Waves 1 ft or
less.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.

$$

ANZ531-150800-
Chesapeake Bay from Pooles Island to Sandy Point-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...E winds 5 to 10 kt until late afternoon...becoming light.
Waves 1 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...NW winds 5 kt...becoming NE. Waves 1 ft.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.

$$

ANZ538-150800-
Patapsco River including Baltimore Harbor-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 10 kt. Waves 1 ft.
.TUE...E winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft or less.
.WED...S winds around 5 kt. Waves 1 ft or less.
.WED NIGHT...S winds around 5 kt. Waves flat.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 5 kt. Waves less than 1 ft.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.

$$

ANZ539-150800-
Chester River to Queenstown MD-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 10 kt. Waves 1 to 2 ft.
.TUE...E winds 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.WED...S winds around 5 kt. Waves flat.
.WED NIGHT...S winds around 5 kt. Waves 1 ft or less.
.THU...S winds 5 kt. Waves less than 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...NW winds 5 kt...becoming E after midnight. Waves 1 ft.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.

$$

ANZ532-150800-
Chesapeake Bay from Sandy Point to North Beach-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...E winds 5 to 10 kt...becoming S late. Waves 1 to 2 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.WED...S winds around 5 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 to 2 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft.
.FRI...W winds 5 to 10 kt...becoming NE. Waves 1 ft.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 to
2 ft.

$$

ANZ540-150800-
Eastern Bay-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves
1 ft.
.TUE...E winds 5 to 10 kt until late afternoon...becoming light.
Waves 1 ft or less.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.WED...S winds around 5 kt. Waves flat.
.WED NIGHT...S winds around 5 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...NW winds 5 kt...becoming E after midnight. Waves 1 ft or
less.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.

$$

ANZ533-150800-
Chesapeake Bay from North Beach to Drum Point-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.TUE...E winds 5 to 10 kt...becoming S late. Waves 1 to 2 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.WED...S winds around 5 kt. Waves flat.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft.
.FRI...W winds 5 to 10 kt...becoming NE. Waves 1 ft.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 to
2 ft.

$$

ANZ541-150800-
Choptank River to Cambridge MD and the Little Choptank River-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.TUE...E winds 5 to 10 kt...becoming SW late. Waves 1 ft or less.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.WED...S winds around 5 kt. Waves flat.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...NW winds 5 to 10 kt...becoming E. Waves 1 ft.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.

$$

ANZ542-150800-
Patuxent River to Broomes Island MD-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 10 kt. Waves 1 ft.
.TUE...E winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds around 5 kt. Waves 1 ft.
.WED...S winds around 5 kt. Waves 1 ft or less.
.WED NIGHT...S winds around 5 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 5 kt. Waves less than 1 ft.
.SAT...SE winds 5 kt. Waves less than 1 ft.

$$

ANZ534-150800-
Chesapeake Bay from Drum Point to Smith Point-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.TUE...NE winds 10 to 15 kt...becoming E around 5 kt in the
afternoon. Waves 1 to 2 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds around 5 kt. Waves 1 ft or less.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 10 kt. Waves 2 ft.
.FRI...SW winds 5 to 10 kt...becoming E. Waves 1 ft.
.SAT...SE winds 10 to 15 kt...becoming S after midnight. Waves 1 to
2 ft.

$$

ANZ543-150800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1057 PM EDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT TUESDAY...

.REST OF TONIGHT...NE winds 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.TUE...E winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds around 5 kt. Waves flat.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...SW winds 5 to 10 kt...becoming E. Waves 1 ft.
.SAT...SE winds 10 to 15 kt...becoming S after midnight. Waves 1 ft.


$$