259
FZUS51 KLWX 072357
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
757 PM EDT Mon Sep 7 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.

ANZ500-080800-
757 PM EDT Mon Sep 7 2026

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

High pressure will drift offshore through mid week shifting winds to
 the south. Winds may briefly increase to near Small Craft Advisory
levels early Wednesday, but are more likely to reach such levels
Wednesday afternoon and night. Gusty winds could continue through
Thursday as winds shift to the west and northwest as a cold front
crosses. Lighter winds are currently expected on Friday.

$$

ANZ535-080800-
Tidal Potomac from Key Bridge to Indian Head-
757 PM EDT Mon Sep 7 2026

.TONIGHT...E winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds around 5 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...NE winds around 5 kt. Waves 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ536-080800-
Tidal Potomac from Indian Head to Cobb Island-
757 PM EDT Mon Sep 7 2026

.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.TUE...SW winds around 5 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...SW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...NW winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...NE winds around 5 kt. Waves 1 ft.
.SAT...SE winds around 5 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ537-080800-
Tidal Potomac from Cobb Island to Smith Point-
757 PM EDT Mon Sep 7 2026

.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.TUE...W winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...S winds 15 to 20 kt. Waves 2 ft.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...NE winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ530-080800-
Chesapeake Bay north of Pooles Island-
757 PM EDT Mon Sep 7 2026

.TONIGHT...NE winds 5 kt. Waves less than 1 ft.
.TUE...W winds around 5 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers after
midnight.

$$

ANZ531-080800-
Chesapeake Bay from Pooles Island to Sandy Point-
757 PM EDT Mon Sep 7 2026

.TONIGHT...E winds 5 kt. Waves flat.
.TUE...W winds 5 kt...becoming S late. Waves 1 ft or less.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 to 2 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 5 to 10 kt...becoming E after midnight. Waves 1 ft or
less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers after
midnight.

$$

ANZ538-080800-
Patapsco River including Baltimore Harbor-
757 PM EDT Mon Sep 7 2026

.TONIGHT...NE winds 5 kt. Waves flat.
.TUE...W winds 5 kt...becoming SE late. Waves 1 ft or less.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...SW winds 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...NE winds 5 to 10 kt. Waves 1 ft or less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-080800-
Chester River to Queenstown MD-
757 PM EDT Mon Sep 7 2026

.TONIGHT...SE winds 5 kt. Waves flat.
.TUE...W winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 5 to 10 kt...becoming E after midnight. Waves 1 ft or
less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
through the night.

$$

ANZ532-080800-
Chesapeake Bay from Sandy Point to North Beach-
757 PM EDT Mon Sep 7 2026

.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt...becoming S late. Waves 1 ft.
.TUE NIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. A
chance of showers.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...NE winds 5 to 10 kt...becoming E after midnight. Waves 1 ft
or less.
.SAT...SE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.

$$

ANZ540-080800-
Eastern Bay-
757 PM EDT Mon Sep 7 2026

.TONIGHT...SE winds 5 kt. Waves flat.
.TUE...SW winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 5 to 10 kt...becoming E after midnight. Waves 1 ft or
less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

$$

ANZ533-080800-
Chesapeake Bay from North Beach to Drum Point-
757 PM EDT Mon Sep 7 2026

.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt...becoming SE late. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...SW winds 15 to 20 kt...diminishing to 10 kt in the afternoon.
Waves 2 ft. A chance of showers.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...NE winds 5 to 10 kt...becoming E after midnight. Waves 1 to
2 ft.
.SAT...SE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ541-080800-
Choptank River to Cambridge MD and the Little Choptank River-
757 PM EDT Mon Sep 7 2026

.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.TUE...W winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...SW winds 15 to 20 kt...diminishing to 5 to 10 kt in the
afternoon. Waves 1 to 2 ft. A chance of showers.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 5 to 10 kt...becoming E after midnight. Waves 1 ft or
less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

$$

ANZ542-080800-
Patuxent River to Broomes Island MD-
757 PM EDT Mon Sep 7 2026

.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...SW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...NE winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ534-080800-
Chesapeake Bay from Drum Point to Smith Point-
757 PM EDT Mon Sep 7 2026

.TONIGHT...NE winds 5 kt...becoming SE late this evening and early
morning, then becoming S late. Waves 1 ft.
.TUE...W winds 5 kt...becoming SE late. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers.
.FRI...N winds 5 to 10 kt...becoming E after midnight. Waves 1 to
2 ft.
.SAT...SE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ543-080800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
757 PM EDT Mon Sep 7 2026

.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.TUE...W winds around 5 kt. Waves flat.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.THU...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 10 to 15 kt...becoming NW 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.
.SAT...SE winds 10 to 15 kt. Waves 1 ft. A chance of showers.

$$