161
FZUS51 KLWX 172358
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
657 PM EST Mon Nov 17 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.

ANZ500-180900-
657 PM EST Mon Nov 17 2025

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

Winds will abate tonight as high pressure builds in. A wave of low
pressure will likely approach Tuesday into Wednesday. Another area
of low pressure may approach late in the week.

$$

ANZ535-180900-
Tidal Potomac from Key Bridge to Indian Head-
657 PM EST Mon Nov 17 2025

.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds around 5 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds around 5 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...N winds around 5 kt. Waves 1 ft.
.WED NIGHT...NE winds around 5 kt. Waves 1 ft.
.THU...E winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft. A chance of rain.
.FRI...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of rain in the morning. A chance of rain in the evening,
then rain likely after midnight.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.

$$

ANZ536-180900-
Tidal Potomac from Indian Head to Cobb Island-
657 PM EST Mon Nov 17 2025

.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds around 5 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...N winds around 5 kt. Waves 1 ft.
.WED NIGHT...NE winds around 5 kt. Waves 1 ft.
.THU...E winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft. A chance of rain.
.FRI...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of rain in the morning. A chance of rain through the night.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.

$$

ANZ537-180900-
Tidal Potomac from Cobb Island to Smith Point-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...NW winds 5 to 10 kt...becoming S in the afternoon. Waves 1 ft
or less.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...NW winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.FRI...SW winds 5 to 10 kt...becoming NW 10 to 15 kt after midnight.
Waves 1 to 2 ft. A chance of rain through the night.
.SAT...N winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain
through the day.

$$

ANZ530-180900-
Chesapeake Bay north of Pooles Island-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...NE winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds around 5 kt. Waves 1 ft.
.THU...E winds around 5 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft or less. A chance of
rain.
.FRI...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
A chance of rain.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.

$$

ANZ531-180900-
Chesapeake Bay from Pooles Island to Sandy Point-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...NW winds 15 to 20 kt. Gusts up to 25 kt until early
morning. 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. Vsby 1 to 3 NM.
.WED...NE winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds 5 kt. Waves less than 1 ft.
.THU...E winds around 5 kt. Waves flat.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft or less. A chance of
rain.
.FRI...SW winds 5 to 10 kt...becoming NW 10 to 15 kt after midnight.
Waves 1 to 2 ft. A chance of rain in the morning. A chance of rain
through the night.
.SAT...N winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain
through the day.

$$

ANZ538-180900-
Patapsco River including Baltimore Harbor-
657 PM EST Mon Nov 17 2025

.TONIGHT...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...S winds 5 kt. Waves less than 1 ft. Rain. Vsby 1 to
3 NM.
.WED...NE winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds around 5 kt. Waves flat.
.THU...E winds 5 kt. Waves flat.
.THU NIGHT...SE winds around 5 kt. Waves flat. A chance of rain.
.FRI...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
A chance of rain in the morning. A chance of rain through the night.
.SAT...N winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
through the day.

$$

ANZ539-180900-
Chester River to Queenstown MD-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...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. Vsby 1 to 3 NM.
.WED...NE winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds 5 kt. Waves less than 1 ft.
.THU...E winds around 5 kt. Waves flat.
.THU NIGHT...SE winds around 5 kt. Waves flat. A chance of rain.
.FRI...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of rain in the morning. A chance of rain through the night.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.

$$

ANZ532-180900-
Chesapeake Bay from Sandy Point to North Beach-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. A chance of
rain.
.FRI...SW winds 10 to 15 kt...becoming NW after midnight. Waves 1 to
2 ft. A chance of rain in the morning. A chance of rain through the
night.
.SAT...N winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain
through the day.

$$

ANZ540-180900-
Eastern Bay-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...NW winds 15 to 20 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. Vsby 1 to 3 NM.
.WED...NE winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds 5 kt. Waves less than 1 ft.
.THU...NE winds around 5 kt. Waves flat.
.THU NIGHT...SE winds around 5 kt. Waves flat. A chance of rain.
.FRI...SW winds 5 to 10 kt...becoming N 10 to 15 kt after midnight.
Waves 1 ft. A chance of rain in the morning. A chance of rain
through the night.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.

$$

ANZ533-180900-
Chesapeake Bay from North Beach to Drum Point-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...W winds 5 to 10 kt...becoming S late. Waves 1 ft or less. A
chance of rain.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.FRI...SW winds 10 to 15 kt...becoming N after midnight. Waves 1 to
2 ft. A chance of rain in the morning. A chance of rain through the
night.
.SAT...N winds 10 to 15 kt. Waves 2 ft. A chance of rain through the
day.

$$

ANZ541-180900-
Choptank River to Cambridge MD and the Little Choptank River-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...NW winds 15 to 20 kt. Waves 2 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...N winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.FRI...SW winds 10 to 15 kt...becoming N after midnight. Waves 1 ft.
A chance of rain in the morning. A chance of rain through the night.
.SAT...N winds 10 to 15 kt. Waves 1 ft. A chance of rain through the
day.

$$

ANZ542-180900-
Patuxent River to Broomes Island MD-
657 PM EST Mon Nov 17 2025

.TONIGHT...NW winds 10 kt. Waves 1 ft.
.TUE...W winds 5 kt. Waves less than 1 ft. A chance of rain.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...NW winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds 5 kt. Waves less than 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft.
.FRI...SW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of rain in the morning. A chance of rain through the night.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.

$$

ANZ534-180900-
Chesapeake Bay from Drum Point to Smith Point-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...NW winds 20 kt with gusts to 25 kt. Waves 3 ft.
.TUE...NW winds 5 to 10 kt...becoming S late. Waves 1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt. Waves 1 to 2 ft. Rain.
.WED...W winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.FRI...SW winds 10 to 15 kt...becoming NW after midnight. Waves 1 to
2 ft. A chance of rain through the night.
.SAT...N winds 10 to 15 kt. Waves 2 ft. A chance of rain through the
day.

$$

ANZ543-180900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
657 PM EST Mon Nov 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

.TONIGHT...NW winds 20 kt with gusts to 25 kt. Waves 2 ft.
.TUE...NW winds 10 to 15 kt...becoming SW 5 kt in the afternoon.
Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...W winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.FRI...SW winds 10 to 15 kt...becoming NW after midnight. Waves
1 ft. A chance of rain through the night.
.SAT...N winds 10 to 15 kt. Waves 1 ft. A chance of rain through the
day.

$$