953
FZUS51 KLWX 072057
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
457 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-
457 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-
457 PM EDT Mon Sep 7 2026

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...E winds around 5 kt. Waves 1 ft.
.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...W winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
afternoon. A chance of showers and tstms through the night.
.FRI...NE winds around 5 kt. Waves 1 ft.

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

$$

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

.REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds around 5 kt. Waves 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...becoming NW around 5 kt. Waves 1 ft. A
chance of showers in the afternoon. A chance of showers and tstms
through the night.
.FRI...NE winds around 5 kt. Waves 1 ft.

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

$$

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

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.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...becoming W 5 to 10 kt. Waves 1 to
2 ft. A chance of showers through the night.
.FRI...NE winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.

$$

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

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...NE winds around 5 kt. Waves 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...W winds 10 to 15 kt...becoming NW 5 to 10 kt after midnight.
Waves 1 to 2 ft. A chance of showers.
.FRI...N winds 5 to 10 kt. Waves 1 ft.

$$

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

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves flat.
.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...becoming NW 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 ft or
less.

$$

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

.REST OF THIS AFTERNOON...SE winds 5 kt. Waves flat.
.TONIGHT...NE winds around 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...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.

$$

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

.REST OF THIS AFTERNOON...NW winds 5 kt. Waves flat.
.TONIGHT...SE winds around 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...becoming W 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 ft or
less.

$$

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

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.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...becoming NW 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft. A chance of showers.
.FRI...NE winds 5 to 10 kt...becoming E after midnight. Waves 1 ft
or less.

$$

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

.REST OF THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds around 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...becoming W 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 ft or
less.

$$

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

.REST OF THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft.
.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...becoming W 5 to 10 kt. Waves 1 to
2 ft. A chance of showers.
.FRI...NE winds 5 to 10 kt...becoming E after midnight. Waves 1 to
2 ft.

$$

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

.REST OF THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft.
.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...becoming W 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 ft or
less.

$$

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

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds around 5 kt. Waves 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...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.

$$

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

.REST OF THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft.
.TONIGHT...N winds 5 kt...becoming SE in the late evening and
overnight. 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...becoming W 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft after midnight. A chance of showers through
the night.
.FRI...N winds 5 to 10 kt...becoming E after midnight. Waves 1 to
2 ft.

$$

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

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.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...becoming NW 5 to 10 kt after midnight.
Waves 1 to 2 ft. A chance of showers through the night.
.FRI...N winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.

$$