FZUS51 KLWX 052058
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
457 PM EDT Mon Oct 5 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.

ANZ500-060800-
457 PM EDT Mon Oct 5 2026

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

Canadian high pressure settles over the region through mid-week.
This area of high pressure drops to the south ahead of another
frontal system that approaches over the weekend.

$$

ANZ535-060800-
Tidal Potomac from Key Bridge to Indian Head-
457 PM EDT Mon Oct 5 2026

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

.REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...N winds 5 to 10 kt. Waves 1 ft.
.TUE...N winds around 5 kt. Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft or less.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds around 5 kt. Waves 1 ft.
.THU...NW winds around 5 kt. Waves 1 ft.
.FRI...W winds around 5 kt. Waves 1 ft.

$$

ANZ536-060800-
Tidal Potomac from Indian Head to Cobb Island-
457 PM EDT Mon Oct 5 2026

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

.REST OF THIS AFTERNOON...NW winds 10 kt. Waves 1 ft.
.TONIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TUE...N winds 5 to 10 kt until late afternoon...becoming light.
Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft or less.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...NW winds around 5 kt. Waves 1 ft.
.FRI...NW winds around 5 kt. Waves 1 ft.

$$

ANZ537-060800-
Tidal Potomac from Cobb Island to Smith Point-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...N winds 10 to 15 kt...becoming NW around 5 kt late. Waves
1 to 2 ft.
.TUE NIGHT...E winds around 5 kt. Waves flat.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt...becoming E in the evening, then
becoming N after midnight. Waves 1 ft.
.FRI...NE winds 5 to 10 kt...becoming SE in the evening, then
becoming SW after midnight. Waves 1 ft.

$$

ANZ530-060800-
Chesapeake Bay north of Pooles Island-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 15 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...NW winds 5 to 10 kt with gusts to 25 kt. Waves 1 ft.
.TUE...NW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...W winds around 5 kt. Waves 1 ft or less.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft.
.FRI...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-060800-
Chesapeake Bay from Pooles Island to Sandy Point-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.TUE...N winds 10 to 15 kt...becoming NW 5 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...SW winds around 5 kt. Waves flat.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED NIGHT...SW winds 10 to 15 kt. Waves 1 to 2 ft.
.THU...W winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
.FRI...N winds 5 to 10 kt...becoming SW. Waves 1 ft.

$$

ANZ538-060800-
Patapsco River including Baltimore Harbor-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TUE...NW winds 5 to 10 kt. Waves 1 ft or less.
.TUE NIGHT...SW winds around 5 kt. Waves flat.
.WED...SW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...NW winds 5 kt. Waves less than 1 ft.
.FRI...W winds 5 kt. Waves less than 1 ft.

$$

ANZ539-060800-
Chester River to Queenstown MD-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...N winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE NIGHT...S winds around 5 kt. Waves flat.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 kt. Waves less than 1 ft.
.FRI...W winds 5 kt. Waves less than 1 ft.

$$

ANZ532-060800-
Chesapeake Bay from Sandy Point to North Beach-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...N winds 10 to 15 kt...becoming E 5 kt late. Waves 1 to 2 ft.
.TUE NIGHT...SW winds 5 kt. Waves flat.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED NIGHT...SW winds 10 to 15 kt. Waves 2 ft.
.THU...W winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
.FRI...N winds 5 to 10 kt...becoming S in the afternoon and evening,
then becoming NW after midnight. Waves 1 ft.

$$

ANZ540-060800-
Eastern Bay-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...N winds 10 to 15 kt...becoming NW around 5 kt in the
afternoon. Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves flat.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 kt. Waves less than 1 ft.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ533-060800-
Chesapeake Bay from North Beach to Drum Point-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...N winds 10 to 15 kt...becoming NE 5 kt late. Waves 1 to 2 ft.
.TUE NIGHT...S winds around 5 kt. Waves flat.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves 2 ft.
.THU...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
.FRI...NE winds 5 to 10 kt...becoming S in the evening, then
becoming W after midnight. Waves 1 ft.

$$

ANZ541-060800-
Choptank River to Cambridge MD and the Little Choptank River-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 10 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...N winds 10 to 15 kt...becoming NW around 5 kt late. Waves
1 to 2 ft.
.TUE NIGHT...S winds around 5 kt. Waves flat.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
.FRI...NW winds 5 to 10 kt...becoming S in the evening, then
becoming W after midnight. Waves 1 ft.

$$

ANZ542-060800-
Patuxent River to Broomes Island MD-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 10 kt. Waves 1 ft.
.TONIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft or less.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...W winds around 5 kt. Waves 1 ft.
.FRI...N winds around 5 kt. Waves 1 ft.

$$

ANZ534-060800-
Chesapeake Bay from Drum Point to Smith Point-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...N winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.TUE...N winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt late. Waves 2 ft.
.TUE NIGHT...E winds around 5 kt. Waves 1 ft or less.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves 2 ft.
.THU...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
.FRI...N winds 5 to 10 kt...becoming S. Waves 1 ft.

$$

ANZ543-060800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
457 PM EDT Mon Oct 5 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF THIS AFTERNOON...NW winds 15 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.TUE...N winds 10 to 15 kt with gusts to 20 kt... becoming NW 5 kt
late. Waves 1 to 2 ft.
.TUE NIGHT...NE winds around 5 kt. Waves flat.
.WED...S winds 10 to 15 kt. Waves 1 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
.FRI...NW winds 5 to 10 kt...becoming S. Waves 1 ft.

$$