125
FZUS51 KLWX 231157
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
657 AM EST Sun Nov 23 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.

ANZ500-232100-
657 AM EST Sun Nov 23 2025

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

High pressure will return today into Monday before another low
pressure system and series of fronts cross Tuesday into the middle
part of the week. Small Craft Advisories will likely be needed
Tuesday into Wednesday.

$$

ANZ535-232100-
Tidal Potomac from Key Bridge to Indian Head-
657 AM EST Sun Nov 23 2025

.TODAY...SW winds 5 to 10 kt. Waves 1 ft or less.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...W winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 kt. Waves less than 1 ft. Showers likely.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.WED...SW winds 10 to 15 kt...becoming NW after midnight. Waves
1 ft. A chance of showers in the afternoon.
.THU...W winds 10 to 15 kt. Waves 1 ft.

$$

ANZ536-232100-
Tidal Potomac from Indian Head to Cobb Island-
657 AM EST Sun Nov 23 2025

.TODAY...W winds 5 to 10 kt. Waves 1 ft or less.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 kt. Waves less than 1 ft. Showers likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 10 to 15 kt...becoming NW after midnight. Waves
1 ft. A chance of showers in the morning.
.THU...W winds 10 to 15 kt. Waves 1 ft.

$$

ANZ537-232100-
Tidal Potomac from Cobb Island to Smith Point-
657 AM EST Sun Nov 23 2025

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

.TODAY...W winds 5 kt...becoming SW this afternoon. Waves 1 ft or
less.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...NW winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt after
midnight. Waves 1 to 2 ft. A chance of showers in the morning.
.THU...W winds 10 to 15 kt. Waves 2 ft.

$$

ANZ530-232100-
Chesapeake Bay north of Pooles Island-
657 AM EST Sun Nov 23 2025

.TODAY...SE winds 5 kt...becoming SW with gusts to 20 kt late this
morning and early afternoon, then becoming W with gusts to 20 kt
late. Waves 1 ft or less.
.TONIGHT...W winds 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt...becoming SW late. Waves 1 ft.
.MON NIGHT...S winds around 5 kt. Waves flat.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 5 to 10 kt...becoming W 15 to 20 kt. Waves 1 to
2 ft. A chance of showers in the afternoon.
.THU...W winds 15 to 20 kt. Waves 1 to 2 ft.

$$

ANZ531-232100-
Chesapeake Bay from Pooles Island to Sandy Point-
657 AM EST Sun Nov 23 2025

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

.TODAY...SE winds 5 kt...becoming W late. Waves 1 ft or less.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...NW winds 5 to 10 kt...becoming S late. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 5 to 10 kt...becoming W 15 to 20 kt. Waves 1 to
2 ft...building to 3 ft after midnight. A chance of showers in the
afternoon.
.THU...W winds 15 to 20 kt. Waves 2 to 3 ft.

$$

ANZ538-232100-
Patapsco River including Baltimore Harbor-
657 AM EST Sun Nov 23 2025

.TODAY...S winds around 5 kt...becoming W this afternoon. Waves 1 ft
or less.
.TONIGHT...W winds 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt...becoming S late. Waves 1 ft or less.
.MON NIGHT...S winds 5 kt. Waves flat.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 10 to 15 kt...becoming W after midnight. Waves 1 ft
or less. A chance of showers in the afternoon.
.THU...W winds 10 to 15 kt. Waves 1 ft.

$$

ANZ539-232100-
Chester River to Queenstown MD-
657 AM EST Sun Nov 23 2025

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

.TODAY...SE winds 5 kt...becoming W late. Waves 1 ft or less.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON...NW winds 5 to 10 kt...becoming S late. Waves 1 to 2 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE NIGHT...S winds 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt after
midnight. Waves 1 to 2 ft...building to 3 ft after midnight. A
chance of showers through the day.
.THU...W winds 15 to 20 kt. Waves 2 to 3 ft.

$$

ANZ532-232100-
Chesapeake Bay from Sandy Point to North Beach-
657 AM EST Sun Nov 23 2025

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

.TODAY...S winds 5 to 10 kt...becoming SW this afternoon. Waves 1 ft
or less.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE NIGHT...S winds 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 5 to 10 kt...becoming W 15 to 20 kt. Waves 1 to
2 ft. A chance of showers through the day.
.THU...W winds 15 to 20 kt. Waves 2 ft.

$$

ANZ540-232100-
Eastern Bay-
657 AM EST Sun Nov 23 2025

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

.TODAY...SE winds 5 kt...becoming W late. Waves 1 ft or less.
.TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt...becoming S late. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE NIGHT...S winds 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 5 to 10 kt...becoming W 15 to 20 kt. Waves 1 to
2 ft. A chance of showers through the day.
.THU...W winds 15 to 20 kt. Waves 2 ft.

$$

ANZ533-232100-
Chesapeake Bay from North Beach to Drum Point-
657 AM EST Sun Nov 23 2025

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

.TODAY...SE winds 5 kt...becoming SW late this morning and
afternoon. Waves 1 ft or less.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON...NW winds 5 to 10 kt...becoming SE late. Waves 1 to 2 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE NIGHT...S winds 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt after
midnight. Waves 1 to 2 ft...building to 3 ft after midnight. A
chance of showers through the day.
.THU...W winds 15 to 20 kt. Waves 3 ft.

$$

ANZ541-232100-
Choptank River to Cambridge MD and the Little Choptank River-
657 AM EST Sun Nov 23 2025

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

.TODAY...SE winds 5 kt...becoming SW late this morning and
afternoon. Waves 1 ft or less.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON...NW winds 5 to 10 kt...becoming S late. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE NIGHT...S winds 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 5 to 10 kt...becoming W 15 to 20 kt in the evening,
then becoming NW after midnight. Waves 1 to 2 ft...building to 3 ft
after midnight. A chance of showers through the day.
.THU...W winds 15 to 20 kt. Waves 2 ft.

$$

ANZ542-232100-
Patuxent River to Broomes Island MD-
657 AM EST Sun Nov 23 2025

.TODAY...S winds 5 kt...becoming SW this afternoon. Waves 1 ft.
.TONIGHT...NW winds 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...SW winds 10 to 15 kt...becoming NW after midnight. Waves
1 ft. A chance of showers through the day.
.THU...W winds 10 to 15 kt. Waves 1 ft.

$$

ANZ534-232100-
Chesapeake Bay from Drum Point to Smith Point-
657 AM EST Sun Nov 23 2025

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

.TODAY...NE winds 5 kt...becoming SW late this morning and
afternoon. Waves 1 ft or less.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt... becoming N around
5 kt late. Waves 1 to 2 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 kt. Waves 1 ft. A chance of showers.
.TUE NIGHT...S winds 10 to 15 kt. Waves 2 ft. Showers likely.
.WED...SW winds 10 kt...increasing to 15 to 20 kt in the evening,
then becoming NW 20 to 25 kt after midnight. Waves 2 to 3 ft. A
chance of showers through the day.
.THU...NW winds 20 to 25 kt. Waves 3 ft.

$$

ANZ543-232100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
657 AM EST Sun Nov 23 2025

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

.TODAY...NE winds 5 kt...becoming SW late this morning and
afternoon. Waves 1 ft or less.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt... diminishing to
around 5 kt late. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Showers.
.WED...SW winds 10 kt...increasing to 15 to 20 kt in the evening,
then becoming NW 20 to 25 kt after midnight. Waves 1 to 2 ft. A
chance of showers through the day.
.THU...NW winds 20 to 25 kt. Waves 2 ft.

$$