964
FZUS51 KLWX 250557
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1257 AM EST Tue Nov 25 2025

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.

ANZ500-252100-
1257 AM EST Tue Nov 25 2025

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

A low pressure system and series of fronts will cross today  into
Wednesday. Small Craft Advisories will likely be needed through  the
end of the week. Gales are possible over the waters on Friday.

$$

ANZ535-252100-
Tidal Potomac from Key Bridge to Indian Head-
1257 AM EST Tue Nov 25 2025

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds around 5 kt. Waves 1 ft. Rain.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 ft. A chance of showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...W winds 10 to 15 kt. Waves 1 ft.
.SAT...SW winds around 5 kt. Waves 1 ft.

$$

ANZ536-252100-
Tidal Potomac from Indian Head to Cobb Island-
1257 AM EST Tue Nov 25 2025

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 kt. Waves less than 1 ft. Rain likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers.
.WED...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 to 2 ft. A chance of showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...W winds 15 to 20 kt...becoming NW 5 to 10 kt after midnight.
Waves 1 to 2 ft.
.SAT...SW winds around 5 kt. Waves 1 ft.

$$

ANZ537-252100-
Tidal Potomac from Cobb Island to Smith Point-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...W winds 15 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI...NW winds 15 to 20 kt. Waves 2 to 3 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less.

$$

ANZ530-252100-
Chesapeake Bay north of Pooles Island-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 kt. Waves less than 1 ft. Rain likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers. Vsby 1 to
3 NM.
.WED...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 to 2 ft. A chance of showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI...W winds 20 to 25 kt...diminishing to 10 to 15 kt after
midnight. Waves 1 to 2 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft.

$$

ANZ531-252100-
Chesapeake Bay from Pooles Island to Sandy Point-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Rain likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 2 ft. Showers. Vsby 1 to
3 NM.
.WED...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 to 2 ft. A chance of showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...W winds 20 to 25 kt. Waves 2 to 3 ft.
.SAT...W winds 5 to 10 kt...becoming S after midnight. Waves 1 ft or
less.

$$

ANZ538-252100-
Patapsco River including Baltimore Harbor-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 5 kt. Waves flat.
.TUE...S winds 5 kt. Waves less than 1 ft. Rain likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers.
.WED...SW winds 5 kt...increasing to 10 to 15 kt with gusts to 25 kt
in the afternoon. Waves 1 ft. A chance of showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.THU...W winds 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.FRI...W winds 15 to 20 kt...diminishing to 5 to 10 kt after
midnight. Waves 1 to 2 ft.
.SAT...W winds 5 to 10 kt...becoming S after midnight. Waves 1 ft or
less.

$$

ANZ539-252100-
Chester River to Queenstown MD-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Rain likely.
.TUE NIGHT...S winds 10 kt. Waves 1 to 2 ft. Showers.
.WED...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 ft. A chance of showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...W winds 15 to 20 kt. Waves 2 to 3 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less.

$$

ANZ532-252100-
Chesapeake Bay from Sandy Point to North Beach-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain.
.TUE NIGHT...S winds 10 kt. Waves 2 ft. Showers.
.WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers
likely.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...W winds 15 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.FRI...W winds 20 to 25 kt. Waves 2 to 3 ft.
.SAT...W winds 5 to 10 kt...becoming S after midnight. Waves 1 ft or
less.

$$

ANZ540-252100-
Eastern Bay-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...S winds 10 kt. Waves 1 ft. Showers.
.WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. Showers
likely.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI...W winds 15 to 20 kt. Waves 2 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less.

$$

ANZ533-252100-
Chesapeake Bay from North Beach to Drum Point-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft. Showers. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers
likely.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...W winds 15 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...NW winds 20 to 25 kt. Waves 3 ft.
.SAT...NW winds 10 to 15 kt...becoming SW 5 kt. Waves 1 to 2 ft...
subsiding to 1 ft or less.

$$

ANZ541-252100-
Choptank River to Cambridge MD and the Little Choptank River-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...SE winds 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers
likely.
.WED NIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...NW winds 20 to 25 kt. Waves 2 to 3 ft.
.SAT...NW winds 10 to 15 kt...becoming SW around 5 kt. Waves 1 ft or
less.

$$

ANZ542-252100-
Patuxent River to Broomes Island MD-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers. Vsby 1 NM or
less.
.WED...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 ft. A chance of showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.THU...W winds 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...W winds 15 kt with gusts to 25 kt. Waves 1 ft.
.FRI...W winds 15 to 20 kt...becoming NW 5 to 10 kt after midnight.
Waves 1 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft.

$$

ANZ534-252100-
Chesapeake Bay from Drum Point to Smith Point-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
Showers with a chance of tstms. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.FRI...NW winds 20 to 25 kt. Waves 4 ft.
.SAT...NW winds 10 to 15 kt...becoming S 5 kt. Waves 1 to 2 ft...
subsiding to 1 ft or less.

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

$$

ANZ543-252100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1257 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers with a chance of tstms. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers.
.WED NIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft.
.FRI...NW winds 20 to 25 kt. Waves 2 ft.
.SAT...NW winds 10 to 15 kt...becoming SE around 5 kt. Waves 1 ft or
less.

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

$$