640
FZUS51 KLWX 161758
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1258 PM EST Sun Nov 16 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.

ANZ500-170900-
1258 PM EST Sun Nov 16 2025

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

Blustery conditions will persist through Monday. A wave of low
pressure may approach Tuesday into Wednesday. Small Craft Advisories
 may need to be extended into Monday night.

$$

ANZ535-170900-
Tidal Potomac from Key Bridge to Indian Head-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts to 40 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 30 kt... diminishing to
20 kt in the late evening and overnight. Waves 1 to 2 ft.
.MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.MON NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.TUE...W winds around 5 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds around 5 kt. Waves 1 ft. Rain.
.WED...NE winds around 5 kt. Waves 1 ft or less. Rain likely in the
morning.
.THU...SE winds around 5 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ536-170900-
Tidal Potomac from Indian Head to Cobb Island-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts to 40 kt. Waves
3 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt... becoming W
10 to 15 kt with gusts to 25 kt after midnight. Waves 3 ft...
subsiding to 1 ft after midnight.
.MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.TUE...SW winds around 5 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain.
.WED...NE winds around 5 kt. Waves 1 ft. Rain likely in the morning.
.THU...SE winds 5 to 10 kt. Waves 1 ft. A chance of rain after
midnight.

$$

ANZ537-170900-
Tidal Potomac from Cobb Island to Smith Point-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 35 kt. Waves 4 ft.
.TONIGHT...NW winds 20 to 25 kt...diminishing to 10 to 15 kt after
midnight. Gusts up to 30 kt. Waves 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...NW winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft or less.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...NW winds 5 to 10 kt...becoming NE. Waves 1 ft. Rain likely in
the morning.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ530-170900-
Chesapeake Bay north of Pooles Island-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 40 kt. Waves 3 ft.
.TONIGHT...W winds 20 to 25 kt...diminishing to 15 to 20 kt after
midnight. Gusts up to 35 kt. Waves 2 to 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft. Rain likely.
.WED...NE winds around 5 kt. Waves 1 ft. Rain likely in the morning.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ531-170900-
Chesapeake Bay from Pooles Island to Sandy Point-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 45 kt. Waves 4 ft.
.TONIGHT...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Rain likely.
.WED...NE winds 5 to 10 kt. Waves 1 ft or less. Rain likely in the
morning.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ538-170900-
Patapsco River including Baltimore Harbor-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 40 kt. Waves 3 ft.
.TONIGHT...W winds 15 to 20 kt. Gusts up to 35 kt... diminishing to
25 kt after midnight. Waves 1 to 2 ft.
.MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...W winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...SE winds 5 kt. Waves flat. Rain likely.
.WED...NE winds around 5 kt. Waves flat. Rain likely in the morning.
.THU...E winds around 5 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ539-170900-
Chester River to Queenstown MD-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 35 kt. Waves 4 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain likely.
.WED...NE winds around 5 kt. Waves 1 ft or less. Rain likely in the
morning.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ532-170900-
Chesapeake Bay from Sandy Point to North Beach-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 40 kt. Waves 4 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...NE winds 5 to 10 kt. Waves 1 ft or less. Rain likely in the
morning.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ540-170900-
Eastern Bay-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 40 kt. Waves 3 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain.
.WED...NE winds 5 to 10 kt. Waves 1 ft or less. Rain likely in the
morning.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ533-170900-
Chesapeake Bay from North Beach to Drum Point-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 40 kt. Waves 5 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 5 ft...
subsiding to 3 ft after midnight.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...NE winds 5 to 10 kt. Waves 1 ft. Rain likely in the morning.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ541-170900-
Choptank River to Cambridge MD and the Little Choptank River-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 40 kt. Waves 4 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...NE winds 5 to 10 kt. Waves 1 ft or less. Rain likely in the
morning.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ542-170900-
Patuxent River to Broomes Island MD-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
MONDAY AFTERNOON...

.THIS AFTERNOON...NW winds 20 to 25 kt with gusts to 35 kt. Waves
2 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 1 to
2 ft.
.MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.MON NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TUE...W winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Rain.
.WED...NE winds around 5 kt. Waves 1 ft. Rain likely in the morning.
.THU...E winds around 5 kt. Waves 1 ft. A chance of rain after
midnight.

$$

ANZ534-170900-
Chesapeake Bay from Drum Point to Smith Point-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 35 kt. Waves 5 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 5 ft.
.MON...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.TUE...W winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...W winds 5 to 10 kt...becoming NE. Waves 1 ft. Rain likely in
the morning.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.

$$

ANZ543-170900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1258 PM EST Sun Nov 16 2025

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...

.THIS AFTERNOON...NW winds 25 kt with gusts to 35 kt. Waves 3 ft.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...W winds 5 to 10 kt...becoming N. Waves 1 ft.
.THU...NE winds 5 to 10 kt. Waves 1 ft or less.

$$