133
FZUS51 KLWX 301458
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
957 AM EST Sun Nov 30 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.

ANZ500-302100-
957 AM EST Sun Nov 30 2025

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

High pressure will move offshore today. Small Craft Advisories are
likely through the middle of next week with a strong low pressure
system moving across the region.

$$

ANZ535-302100-
Tidal Potomac from Key Bridge to Indian Head-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.REST OF TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 ft.
Rain.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds around 5 kt. Waves 1 ft or less. Rain and snow
likely.
.TUE...SE winds around 5 kt...becoming NW in the afternoon. Waves
1 ft. Rain with snow likely.
.TUE NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.WED...W winds around 5 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 ft.

$$

ANZ536-302100-
Tidal Potomac from Indian Head to Cobb Island-
957 AM EST Sun Nov 30 2025

.REST OF TODAY...SW winds 10 kt. Waves 1 ft. Rain.
.TONIGHT...W winds 10 to 15 kt...becoming NW after midnight. Waves
1 ft.
.MON...N winds 10 to 15 kt...becoming NE around 5 kt late. Waves
1 ft.
.MON NIGHT...SE winds around 5 kt. Waves 1 ft. Rain and snow likely.
.TUE...SE winds 5 kt...becoming NW in the afternoon. Waves 1 ft.
Rain.
.TUE NIGHT...NW winds 10 to 15 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt...becoming S. Waves 1 ft.
.THU...W winds 5 to 10 kt...becoming N 10 to 15 kt. Waves 1 ft.

$$

ANZ537-302100-
Tidal Potomac from Cobb Island to Smith Point-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 kt. Waves 1 ft. A slight chance of rain
late this morning, then rain likely this afternoon.
.TONIGHT...W winds 10 to 15 kt...becoming NW 15 to 20 kt after
midnight. Waves 1 to 2 ft. A chance of rain.
.MON...N winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 to 10 kt late. Waves 2 ft.
.MON NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain likely.
.TUE...SE winds 5 to 10 kt...becoming NW 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Waves 1 to 2 ft. Rain.
.TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to
2 ft...subsiding to 1 ft or less.
.THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft...building to 2 to 3 ft.

$$

ANZ530-302100-
Chesapeake Bay north of Pooles Island-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 ft.
Rain. Vsby 1 to 3 NM this afternoon.
.TONIGHT...W winds 10 to 15 kt...becoming NW after midnight. Gusts
up to 20 kt. Waves 1 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt... becoming N around
5 kt late. Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves flat. A chance of snow.
.TUE...E winds 5 kt...becoming NW in the afternoon. Waves 1 ft or
less. Rain and snow.
.TUE NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt...becoming SW. Waves 1 ft or less.
.THU...W winds 15 to 20 kt...becoming NW. Waves 1 to 2 ft.

$$

ANZ531-302100-
Chesapeake Bay from Pooles Island to Sandy Point-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft. Rain. Vsby 1 to 3 NM this afternoon.
.TONIGHT...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the
late evening and overnight. Waves 2 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt... becoming N 5 kt
late. Waves 2 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft. Snow and rain likely.
.TUE...E winds 5 to 10 kt...becoming NW 10 to 15 kt in the
afternoon. Waves 1 to 2 ft. Rain.
.TUE NIGHT...NW winds 15 to 20 kt. Waves 2 ft.
.WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to
2 ft.
.THU...W winds 15 to 20 kt...becoming N 10 to 15 kt after midnight.
Waves 2 to 3 ft.

$$

ANZ538-302100-
Patapsco River including Baltimore Harbor-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 ft.
Rain. Vsby 1 to 3 NM this afternoon.
.TONIGHT...W winds 10 to 15 kt...becoming NW late. Gusts up to
20 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves flat. Snow likely.
.TUE...E winds 5 kt...becoming NW in the afternoon. Waves 1 ft. Rain
with snow likely.
.TUE NIGHT...NW winds 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt...becoming SW. Waves 1 ft or less.
.THU...W winds 10 to 15 kt...becoming NW. Waves 1 ft.

$$

ANZ539-302100-
Chester River to Queenstown MD-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of rain late this morning, then rain likely this
afternoon with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt...becoming NW in the late evening
and overnight. Gusts up to 20 kt. Waves 2 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt... becoming N 5 kt
late. Waves 2 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft or less. Snow and rain
likely.
.TUE...E winds 5 kt...becoming NW in the afternoon. Waves 1 ft.
Rain.
.TUE NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...NW winds 5 to 10 kt...becoming SW. Waves 1 to 2 ft.
.THU...W winds 10 to 15 kt...becoming NW 15 to 20 kt. Waves 1 to
2 ft...building to 2 to 3 ft.

$$

ANZ532-302100-
Chesapeake Bay from Sandy Point to North Beach-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 15 kt with gusts to 20 kt. Waves 2 ft.
Rain. Vsby 1 to 3 NM this afternoon.
.TONIGHT...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the
late evening and overnight. Waves 2 ft.
.MON...NW winds 15 to 20 kt...becoming N 5 to 10 kt late. Waves
2 ft.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain and snow likely.
.TUE...SE winds 5 to 10 kt...becoming NW 15 to 20 kt in the
afternoon. Waves 1 to 2 ft. Rain.
.TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to
2 ft.
.THU...SW winds 10 to 15 kt...becoming NW 20 to 25 kt in the
afternoon and evening, then becoming N 15 to 20 kt after midnight.
Waves 2 to 3 ft.

$$

ANZ540-302100-
Eastern Bay-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. A chance of rain late this morning, then rain likely this
afternoon with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the
late evening and overnight. Waves 2 ft.
.MON...N winds 10 to 15 kt. Gusts up to 20 kt until late afternoon.
Waves 1 to 2 ft.
.MON NIGHT...E winds 5 kt. Waves flat. Rain and snow likely.
.TUE...E winds 5 to 10 kt...becoming NW 10 to 15 kt in the
afternoon. Waves 1 ft. Rain.
.TUE NIGHT...NW winds 15 to 20 kt. Waves 2 ft.
.WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 ft.
.THU...W winds 15 to 20 kt...becoming N 10 to 15 kt after midnight.
Waves 1 to 2 ft.

$$

ANZ533-302100-
Chesapeake Bay from North Beach to Drum Point-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. A chance of rain late this morning, then rain this
afternoon with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the
late evening and overnight. Waves 2 to 3 ft.
.MON...NW winds 15 to 20 kt...becoming N 5 to 10 kt late. Waves 2 to
3 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain likely.
.TUE...E winds 5 to 10 kt...becoming NW 15 to 20 kt in the
afternoon. Waves 1 to 2 ft. Rain.
.TUE NIGHT...NW winds 20 to 25 kt. Waves 3 ft.
.WED...NW winds 10 to 15 kt...becoming SW. Waves 1 to 2 ft.
.THU...SW winds 10 to 15 kt...becoming NW 25 to 30 kt in the
afternoon and evening, then becoming N 15 to 20 kt after midnight.
Waves 2 to 3 ft...building to 3 ft.

$$

ANZ541-302100-
Choptank River to Cambridge MD and the Little Choptank River-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. A chance of rain late this morning, then rain likely this
afternoon with vsby 1 to 3 NM.
.TONIGHT...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the
late evening and overnight. Waves 2 ft.
.MON...NW winds 15 to 20 kt...becoming N 5 to 10 kt late. Waves
2 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft. Rain likely.
.TUE...E winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to
20 kt in the afternoon. Waves 1 to 2 ft. Rain.
.TUE NIGHT...NW winds 20 to 25 kt. Waves 2 to 3 ft.
.WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to
2 ft.
.THU...W winds 15 to 20 kt...becoming NW 20 to 25 kt. Waves 2 to
3 ft.

$$

ANZ542-302100-
Patuxent River to Broomes Island MD-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 kt. Waves 1 ft. A chance of rain late
this morning, then rain this afternoon.
.TONIGHT...W winds 10 to 15 kt...becoming NW late. Gusts up to
20 kt. Waves 1 ft. A chance of rain.
.MON...N winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt late. Waves 1 ft.
.MON NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain likely.
.TUE...SE winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to
20 kt in the afternoon. Waves 1 ft. Rain.
.TUE NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt...becoming SW. Waves 1 ft.
.THU...W winds 10 to 15 kt...becoming NW. Waves 1 ft.

$$

ANZ534-302100-
Chesapeake Bay from Drum Point to Smith Point-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 to 15 kt. Waves 1 to 2 ft. A slight
chance of rain late this morning, then rain likely this afternoon
with vsby 1 to 3 NM.
.TONIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after
midnight. Waves 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM.
.MON...N winds 15 to 20 kt...diminishing to 5 to 10 kt late. Waves
2 to 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain likely.
.TUE...E winds 10 to 15 kt...becoming NW 15 to 20 kt with gusts to
25 kt in the afternoon. Waves 2 to 3 ft. Rain.
.TUE NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.WED...N winds 15 to 20 kt...becoming NW 5 to 10 kt in the
afternoon, then becoming SW 10 to 15 kt. Waves 2 to 3 ft...subsiding
to 1 to 2 ft.
.THU...W winds 15 to 20 kt...becoming N 25 to 30 kt. Waves 2 to
3 ft...building to 4 ft.

$$

ANZ543-302100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
957 AM EST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.REST OF TODAY...SW winds 10 to 15 kt with gusts to 20 kt. Waves
1 ft. Rain likely this afternoon with vsby 1 to 3 NM.
.TONIGHT...W winds 15 to 20 kt...becoming NW with gusts to 25 kt
after midnight. Waves 1 to 2 ft. Rain likely. Vsby 1 to 3 NM.
.MON...N winds 15 to 20 kt...diminishing to 5 to 10 kt late. Waves
2 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE...E winds 5 to 10 kt...becoming NW 15 to 20 kt with gusts to
25 kt in the afternoon. Waves 1 to 2 ft. Rain.
.TUE NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 2 to
3 ft.
.WED...N winds 15 to 20 kt...becoming W 5 to 10 kt in the afternoon
and evening, then becoming SW 10 to 15 kt after midnight. Waves 1 to
2 ft...subsiding to 1 ft or less.
.THU...W winds 15 to 20 kt...becoming N 20 to 25 kt. Waves 2 ft.

$$