171
FZUS51 KLWX 010557
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1257 AM EST Mon Dec 1 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.

ANZ500-012100-
1257 AM EST Mon Dec 1 2025

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

High pressure will return Monday. The next storm system will move
across the region Tuesday morning, and this could bring a wintry mix
 to much of the region. Another disturbance will move through the
region later in the week. Small Craft Advisories will likely be
needed through the middle of the week, with gales possible late
Tuesday afternoon through Tuesday night.

$$

ANZ535-012100-
Tidal Potomac from Key Bridge to Indian Head-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...

.OVERNIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft. Rain.
.TUE NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft.
.THU...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
.FRI...S winds around 5 kt. Waves 1 ft. A chance of snow through the
night. A chance of rain and freezing rain in the evening, then rain
and freezing rain likely after midnight.

$$

ANZ536-012100-
Tidal Potomac from Indian Head to Cobb Island-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...

.OVERNIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves
1 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft. Rain likely.
.TUE...NE winds 5 kt...becoming NW 10 to 15 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. Waves 1 ft.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft.
.THU...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
.FRI...SE winds around 5 kt. Waves 1 ft. A chance of snow through
the night. A chance of rain and freezing rain in the evening, then
rain and freezing rain likely after midnight.

$$

ANZ537-012100-
Tidal Potomac from Cobb Island to Smith Point-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY
NIGHT...

.OVERNIGHT...NW winds 20 kt with gusts to 25 kt. Waves 3 ft.
.MON...N winds 10 to 15 kt with gusts to 25 kt... becoming NE 5 to
10 kt late. Waves 2 to 3 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft. Rain likely.
.TUE...E winds 5 to 10 kt...becoming NW 15 to 20 kt in the
afternoon. Waves 2 ft. Rain.
.TUE NIGHT...NW winds 20 to 25 kt. Waves 3 ft.
.WED...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves
1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt...becoming N. Waves 1 to 2 ft...building
to 2 to 3 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of snow in the
afternoon. A chance of rain through the night, then rain likely
after midnight.

$$

ANZ530-012100-
Chesapeake Bay north of Pooles Island-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...

.OVERNIGHT...NW winds 15 kt with gusts to 25 kt. Waves 2 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...NE winds 5 kt...becoming N 10 to 15 kt in the afternoon.
Waves 1 ft. Rain with snow likely.
.TUE NIGHT...NW winds 15 to 20 kt. Waves 2 ft.
.WED...NW winds 10 to 15 kt...diminishing to around 5 kt in the
afternoon. Waves 1 ft.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.THU...W winds 10 to 15 kt...becoming N. Waves 1 ft.
.FRI...SE winds around 5 kt. Waves flat. A chance of snow in the
evening. Rain and snow likely after midnight.

$$

ANZ531-012100-
Chesapeake Bay from Pooles Island to Sandy Point-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...

.OVERNIGHT...NW winds 20 kt with gusts to 25 kt. Waves 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 25 kt... becoming N 5 to
10 kt in the afternoon. Waves 2 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft.
.TUE...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain.
.TUE NIGHT...NW winds 15 to 20 kt. Waves 3 ft.
.WED...NW winds 10 to 15 kt...diminishing to 5 kt in the afternoon.
Waves 1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt...becoming N. Waves 1 to 2 ft.
.FRI...SE winds 5 kt. Waves less than 1 ft. A chance of snow through
the night. A chance of rain in the evening, then rain likely after
midnight.

$$

ANZ538-012100-
Patapsco River including Baltimore Harbor-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...

.OVERNIGHT...NW winds 15 kt with gusts to 25 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft or less.
.TUE...N winds 5 to 10 kt. 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. Waves 1 ft.
.WED NIGHT...SW winds 5 kt. Waves flat.
.THU...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds around 5 kt. Waves 1 ft or less. A chance of snow in
the evening. Rain likely after midnight.

$$

ANZ539-012100-
Chester River to Queenstown MD-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...

.OVERNIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.MON...N winds 10 to 15 kt with gusts to 25 kt... diminishing to
5 kt late. Waves 2 to 3 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft. Rain likely.
.TUE...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain.
.TUE NIGHT...NW winds 15 to 20 kt. Waves 3 ft.
.WED...NW winds 10 to 15 kt...diminishing to 5 kt in the afternoon.
Waves 1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt...becoming N. Waves 1 to 2 ft.
.FRI...SE winds 5 kt. Waves less than 1 ft. A chance of snow through
the night. A chance of rain in the evening, then rain likely after
midnight.

$$

ANZ532-012100-
Chesapeake Bay from Sandy Point to North Beach-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...

.OVERNIGHT...NW winds 20 kt with gusts to 30 kt. Waves 3 ft.
.MON...N winds 10 to 15 kt with gusts to 25 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 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. Waves 1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft...building to 2 to 3 ft.
.FRI...SE winds 5 to 10 kt...becoming 5 kt. Waves 1 ft. A chance of
snow through the night. A chance of rain in the evening, then rain
likely after midnight.

$$

ANZ540-012100-
Eastern Bay-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...

.OVERNIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.MON...N winds 10 to 15 kt with gusts to 25 kt... diminishing to
5 kt late. Waves 1 to 2 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft or less. Rain likely.
.TUE...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain.
.TUE NIGHT...NW winds 15 to 20 kt. Waves 2 ft.
.WED...NW winds 10 to 15 kt...diminishing to around 5 kt in the
afternoon. Waves 1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt...becoming N. Waves 1 to 2 ft.
.FRI...E winds 5 to 10 kt...becoming SE. Waves 1 ft or less. A
chance of snow through the night. A chance of rain in the evening,
then rain likely after midnight.

$$

ANZ533-012100-
Chesapeake Bay from North Beach to Drum Point-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY
NIGHT...

.OVERNIGHT...NW winds 20 kt with gusts to 30 kt. Waves 3 ft.
.MON...N winds 15 to 20 kt with gusts to 25 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 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. Waves 4 ft.
.WED...NW winds 15 to 20 kt...diminishing to 5 to 10 kt in the
afternoon. Waves 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 to 10 kt...becoming NW 15 to 20 kt in the afternoon
and evening, then becoming N 10 to 15 kt after midnight. Waves
1 ft...building to 3 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of snow through the
night. A chance of rain in the evening, then rain likely after
midnight.

$$

ANZ541-012100-
Choptank River to Cambridge MD and the Little Choptank River-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY
NIGHT...

.OVERNIGHT...NW winds 20 kt with gusts to 30 kt. Waves 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 25 kt... becoming N 5 to
10 kt in the afternoon. Waves 2 ft.
.MON NIGHT...E winds around 5 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. Gusts up to 20 kt in the morning. Waves
1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft...building to 2 to 3 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of snow in the
afternoon. A chance of rain in the evening, then rain likely after
midnight.

$$

ANZ542-012100-
Patuxent River to Broomes Island MD-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY
NIGHT...

.OVERNIGHT...NW winds 15 kt with gusts to 25 kt. Waves 1 ft.
.MON...N winds 10 to 15 kt with gusts to 25 kt... diminishing to
5 kt late. Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft. Rain likely.
.TUE...NE winds 5 to 10 kt...becoming NW 10 to 15 kt in the
afternoon. Gusts up to 20 kt. 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. Waves 1 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight.
Waves 1 ft.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of snow in the
afternoon. A chance of rain in the evening, then rain likely after
midnight.

$$

ANZ534-012100-
Chesapeake Bay from Drum Point to Smith Point-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY
NIGHT...

.OVERNIGHT...NW winds 25 kt with gusts to 30 kt. Waves 4 ft.
.MON...N winds 15 to 20 kt with gusts to 25 kt... diminishing to
5 to 10 kt late. Waves 4 ft...subsiding to 2 ft in the afternoon.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 to 2 ft. Rain likely.
.TUE...E winds 10 to 15 kt...becoming NW 20 to 25 kt in the
afternoon. Waves 2 to 3 ft. Rain.
.TUE NIGHT...NW winds 25 to 30 kt. Waves 5 ft.
.WED...N winds 15 to 20 kt...becoming NW 5 to 10 kt in the
afternoon. Waves 4 ft...subsiding to 2 ft in the afternoon.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft.
.THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 to
3 ft...building to 4 ft.
.FRI...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of snow in the
afternoon. A chance of rain through the night, then rain likely
after midnight.

$$

ANZ543-012100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1257 AM EST Mon Dec 1 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING...
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY
NIGHT...

.OVERNIGHT...NW winds 20 kt with gusts to 25 kt. Waves 2 ft.
.MON...N winds 15 to 20 kt with gusts to 25 kt... diminishing to
5 to 10 kt late. Waves 1 to 2 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 1 to 2 ft. Rain.
.TUE NIGHT...NW winds 25 to 30 kt. Waves 3 ft.
.WED...N winds 15 to 20 kt...becoming NW 5 to 10 kt in the
afternoon. Waves 1 to 2 ft.
.WED NIGHT...SW winds 10 to 15 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of snow in the
afternoon. A chance of rain through the night, then rain likely
after midnight.

$$