612
FZUS51 KLWX 171418
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
918 AM 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.

ANZ500-172100-
918 AM EST Mon Nov 17 2025

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

Blustery conditions will persist through today. A wave of low
pressure will likely approach Tuesday into Wednesday. Another area
of low pressure may approach late in the week.

$$

ANZ535-172100-
Tidal Potomac from Key Bridge to Indian Head-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 15 kt with gusts to 25 kt. Waves 1 ft.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt early in the
evening. 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.
.WED...N winds around 5 kt. Waves 1 ft.
.WED NIGHT...NE winds around 5 kt. Waves 1 ft or less.
.THU...SE winds around 5 kt. Waves 1 ft or less. A chance of rain
after midnight.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning. A chance of rain through the night.

$$

ANZ536-172100-
Tidal Potomac from Indian Head to Cobb Island-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 15 kt with gusts to 25 kt. Waves 2 ft.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt early 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...N winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds around 5 kt. Waves 1 ft.
.THU...SE winds around 5 kt. Waves 1 ft or less. A chance of rain
after midnight.
.FRI...SW winds 10 to 15 kt. Waves 1 ft. A chance of rain in the
morning. A chance of rain through the night.

$$

ANZ537-172100-
Tidal Potomac from Cobb Island to Smith Point-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 15 to 20 kt with gusts to 25 kt. Waves
3 ft.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.TUE...W winds around 5 kt. Waves 1 ft or less. A chance of rain.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...N winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 kt. Waves less than 1 ft.
.THU...E winds around 5 kt. Waves 1 ft or less. A chance of rain
after midnight.
.FRI...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain
through the night.

$$

ANZ530-172100-
Chesapeake Bay north of Pooles Island-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 20 kt with gusts to 30 kt. Waves 2 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 25 kt early in the
evening. Waves 1 to 2 ft.
.TUE...W winds 5 kt. Waves less than 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.
.WED NIGHT...NE winds around 5 kt. Waves 1 ft.
.THU...E winds around 5 kt. Waves 1 ft or less. A chance of rain
after midnight.
.FRI...SW winds 10 to 15 kt...becoming W after midnight. Waves 1 ft.
A chance of rain in the morning. Rain likely in the evening, then a
chance of rain after midnight.

$$

ANZ531-172100-
Chesapeake Bay from Pooles Island to Sandy Point-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 20 kt with gusts to 30 kt. Waves 3 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt... diminishing
to 5 to 10 kt late. Waves 3 ft...subsiding to 1 ft after midnight.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 kt. Waves less than 1 ft.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.
.FRI...S winds 10 to 15 kt...becoming W after midnight. Waves 1 to
2 ft. A chance of rain in the morning. A chance of rain through the
night.

$$

ANZ538-172100-
Patapsco River including Baltimore Harbor-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 15 kt with gusts to 25 kt. Waves 2 ft.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt... becoming W
5 kt late. Waves 1 ft.
.TUE...W winds 5 kt. Waves flat. A chance of rain.
.TUE NIGHT...SE winds 5 kt. Waves flat. Rain.
.WED...NE winds 5 kt. Waves flat.
.WED NIGHT...NE winds around 5 kt. Waves flat.
.THU...E winds around 5 kt. Waves flat. A chance of rain after
midnight.
.FRI...SW winds 5 to 10 kt...becoming W after midnight. Waves 1 ft.
A chance of rain in the morning. Rain likely in the evening, then a
chance of rain after midnight.

$$

ANZ539-172100-
Chester River to Queenstown MD-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 15 to 20 kt with gusts to 30 kt. Waves
3 ft.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt early in the
evening. Waves 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain.
.WED...NE winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds 5 kt. Waves flat.
.THU...E winds around 5 kt. Waves flat. A chance of rain after
midnight.
.FRI...SW winds 5 to 10 kt...becoming W 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.

$$

ANZ532-172100-
Chesapeake Bay from Sandy Point to North Beach-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 20 kt with gusts to 30 kt. Waves 3 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt... diminishing
to 5 to 10 kt late. Waves 3 ft...subsiding to 1 ft after midnight.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 kt. Waves less than 1 ft.
.THU...E winds around 5 kt...becoming S after midnight. Waves 1 ft
or less. A chance of rain after midnight.
.FRI...S winds 10 to 15 kt...becoming W 15 to 20 kt. Waves 1 to
2 ft. A chance of rain in the morning. A chance of rain through the
night.

$$

ANZ540-172100-
Eastern Bay-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 20 kt with gusts to 30 kt. Waves 2 ft.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt. Waves 1 to 2 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 kt. Waves flat.
.THU...E winds around 5 kt. Waves flat. A chance of rain after
midnight.
.FRI...SW winds 10 to 15 kt...becoming W after midnight. Waves 1 to
2 ft. A chance of rain in the morning. A chance of rain through the
night.

$$

ANZ533-172100-
Chesapeake Bay from North Beach to Drum Point-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 20 kt with gusts to 30 kt. Waves 3 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt... diminishing
to 10 kt late. Waves 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.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...becoming S after midnight. Waves 1 ft
or less. A chance of rain after midnight.
.FRI...SW winds 15 to 20 kt...becoming W after midnight. Waves 1 to
2 ft. A chance of rain in the morning. A chance of rain through the
night.

$$

ANZ541-172100-
Choptank River to Cambridge MD and the Little Choptank River-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 20 kt with gusts to 30 kt. Waves 3 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt... diminishing
to 5 to 10 kt late. Waves 2 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...NE winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 kt. Waves less than 1 ft.
.THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain
after midnight.
.FRI...S winds 10 to 15 kt...becoming W 15 to 20 kt. Waves 1 to
2 ft. A chance of rain in the morning. A chance of rain through the
night.

$$

ANZ542-172100-
Patuxent River to Broomes Island MD-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 15 kt with gusts to 25 kt. Waves 1 ft.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.TUE...W winds 5 kt. Waves less than 1 ft. A chance of rain.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain.
.WED...N 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. A chance of rain after
midnight.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning. A chance of rain through the night.

$$

ANZ534-172100-
Chesapeake Bay from Drum Point to Smith Point-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 20 kt with gusts to 30 kt. Waves 4 ft.
.TONIGHT...NW winds 15 to 20 kt. Gusts up to 25 kt until early
morning. Waves 2 to 3 ft.
.TUE...NW winds 5 to 10 kt...becoming S late. Waves 1 ft. A chance
of rain.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft
or less. A chance of rain after midnight.
.FRI...SW winds 15 to 20 kt...becoming W after midnight. Waves 2 to
3 ft. A chance of rain through the night.

$$

ANZ543-172100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
918 AM EST Mon Nov 17 2025

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

.REST OF TODAY...NW winds 20 kt with gusts to 30 kt. Waves 2 to
3 ft.
.TONIGHT...NW winds 15 to 20 kt. Gusts up to 25 kt until early
morning. Waves 2 ft.
.TUE...NW winds 5 to 10 kt...becoming SW late. Waves 1 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds 5 kt...becoming SE after midnight. Waves 1 ft or
less. A chance of rain after midnight.
.FRI...SW winds 15 to 20 kt. Waves 1 to 2 ft. A chance of rain
through the night.

$$