461
FZUS51 KLWX 081458
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
958 AM EST Mon Dec 8 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.

ANZ500-082100-
958 AM EST Mon Dec 8 2025

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

A potent cold front crosses the waters early this morning. In the
wake, a strong area of Canadian high pressure builds over the region
 this evening into Tuesday. Another clipper-like system moves
through  the area by mid-week before a secondary cold front crosses
the  waters on Thursday. Weak high pressure returns by Friday. Small
 Craft Advisories will likely be needed Tuesday through Wednesday
night, and potentially again late Friday.

$$

ANZ535-082100-
Tidal Potomac from Key Bridge to Indian Head-
958 AM EST Mon Dec 8 2025

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

.REST OF TODAY...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. A
slight chance of snow late this morning, then a chance of snow this
afternoon. Vsby 1 to 3 NM.
.TONIGHT...N winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds around 5 kt...becoming S in the afternoon. Waves
1 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Waves 1 ft.
.WED...SW winds 10 to 15 kt with gusts to 30 kt. Waves 2 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...W winds 10 to 15 kt. Waves 1 ft. A chance of rain and snow in
the evening. A chance of snow after midnight.

$$

ANZ536-082100-
Tidal Potomac from Indian Head to Cobb Island-
958 AM EST Mon Dec 8 2025

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

.REST OF TODAY...NE winds 10 to 15 kt with gusts to 20 kt. Waves
1 ft. Snow likely. Vsby 1 to 3 NM.
.TONIGHT...N winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds around 5 kt...becoming S late. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED NIGHT...W winds 15 to 20 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.THU...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...W winds 15 to 20 kt. Waves 1 to 2 ft.

$$

ANZ537-082100-
Tidal Potomac from Cobb Island to Smith Point-
958 AM EST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NE winds 15 to 20 kt with gusts to 25 kt. Waves
3 ft. Snow likely. Vsby 1 to 3 NM.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt... becoming N
5 to 10 kt late. Waves 2 to 3 ft. A chance of snow. Vsby 1 to 3 NM.
.TUE...N winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 2 ft.
.WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.THU...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.FRI...W winds 15 to 20 kt. Waves 1 to 2 ft.

$$

ANZ530-082100-
Chesapeake Bay north of Pooles Island-
958 AM EST Mon Dec 8 2025

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

.REST OF TODAY...NE winds 15 kt with gusts to 25 kt. Waves 1 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.TUE...SE winds around 5 kt...becoming S late. Waves 1 ft or less.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of rain.
.WED NIGHT...W winds 15 to 20 kt. Waves 2 ft.
.THU...NW winds 10 to 15 kt. Waves 1 ft.
.FRI...W winds 15 to 20 kt. Waves 1 to 2 ft. A chance of rain and
snow in the evening. A chance of snow after midnight.

$$

ANZ531-082100-
Chesapeake Bay from Pooles Island to Sandy Point-
958 AM EST Mon Dec 8 2025

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

.REST OF TODAY...NE winds 15 to 20 kt with gusts to 25 kt. Waves
2 to 3 ft.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...E winds around 5 kt...becoming S 10 to 15 kt in the
afternoon. Waves 1 to 2 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 2 ft.
.WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of rain.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.THU...NW winds 15 to 20 kt...diminishing to 10 kt after midnight.
Waves 1 to 2 ft.
.FRI...W winds 10 to 15 kt...increasing to 20 to 25 kt after
midnight. Waves 1 to 2 ft...building to 3 ft after midnight. A
chance of rain and snow through the night.

$$

ANZ538-082100-
Patapsco River including Baltimore Harbor-
958 AM EST Mon Dec 8 2025

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

.REST OF TODAY...N winds 10 to 15 kt with gusts to 25 kt. Waves
1 ft.
.TONIGHT...N winds 5 to 10 kt. Waves 1 ft.
.TUE...SE winds around 5 kt...becoming S late. Waves 1 ft or less.
.TUE NIGHT...SW winds 10 kt. Waves 1 ft.
.WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A
chance of rain.
.WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...NW winds 10 to 15 kt. Waves 1 ft.
.FRI...W winds 10 to 15 kt. Waves 1 ft. A chance of rain and snow
through the night.

$$

ANZ539-082100-
Chester River to Queenstown MD-
958 AM EST Mon Dec 8 2025

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

.REST OF TODAY...NE winds 15 to 20 kt with gusts to 25 kt. Waves
2 ft. A slight chance of snow this afternoon with vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.TUE...E winds 5 kt...becoming S late. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of rain.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.THU...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.FRI...W winds 15 to 20 kt. Waves 1 to 2 ft...building to 3 ft after
midnight. A chance of rain and snow through the night.

$$

ANZ532-082100-
Chesapeake Bay from Sandy Point to North Beach-
958 AM EST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NE winds 15 to 20 kt with gusts to 25 kt. Waves
3 ft. A slight chance of snow. Vsby 1 to 3 NM.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt... diminishing
to 5 to 10 kt late. Waves 2 to 3 ft.
.TUE...E winds 5 kt...becoming S 10 to 15 kt in the afternoon. Waves
1 to 2 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 3 ft.
.WED...SW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A
chance of rain.
.WED NIGHT...W winds 20 to 25 kt. Waves 3 ft.
.THU...NW winds 15 to 20 kt. Waves 1 to 2 ft.
.FRI...W winds 20 to 25 kt. Waves 1 to 2 ft...building to 3 ft after
midnight. A chance of rain and snow through the night.

$$

ANZ540-082100-
Eastern Bay-
958 AM EST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NE winds 15 to 20 kt with gusts to 25 kt. Waves
2 ft. A slight chance of snow. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.TUE...E winds 5 kt...becoming S late. Waves 1 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 2 ft.
.WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. A
chance of rain.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.THU...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.FRI...W winds 10 to 15 kt...increasing to 20 to 25 kt after
midnight. Waves 1 to 2 ft. A chance of rain and snow through the
night.

$$

ANZ533-082100-
Chesapeake Bay from North Beach to Drum Point-
958 AM EST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NE winds 20 kt with gusts to 25 kt. Waves 3 ft...
except around 2 ft near the mouth of the Choptank. A chance of snow.
Vsby 1 to 3 NM.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt... diminishing
to 10 kt late. Waves 3 ft.
.TUE...NE winds 5 to 10 kt...becoming S early in the afternoon, then
increasing to 10 to 15 kt late. Waves 1 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 3 ft.
.WED...SW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.WED NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.THU...NW winds 15 to 20 kt. Waves 2 ft.
.FRI...W winds 20 to 25 kt. Waves 1 to 2 ft...building to 3 ft after
midnight. A chance of rain in the evening. A chance of rain and snow
after midnight.

$$

ANZ541-082100-
Choptank River to Cambridge MD and the Little Choptank River-
958 AM EST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NE winds 15 to 20 kt with gusts to 25 kt. Waves
2 ft. A chance of snow. Vsby 1 to 3 NM.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt... diminishing
to 5 to 10 kt late. Waves 2 ft.
.TUE...NE winds 5 to 10 kt...becoming S early in the afternoon, then
increasing to 10 to 15 kt late. Waves 1 ft.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 2 ft.
.WED...SW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.WED NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.THU...NW winds 15 to 20 kt. Waves 1 to 2 ft.
.FRI...W winds 20 to 25 kt. Waves 1 to 2 ft...building to 3 ft after
midnight. A chance of rain in the evening. A chance of rain and snow
after midnight.

$$

ANZ542-082100-
Patuxent River to Broomes Island MD-
958 AM EST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NE winds 15 kt with gusts to 25 kt. Waves 1 ft.
Snow likely late this morning, then a chance of snow this afternoon.
Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...NE winds around 5 kt...becoming S late. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...SW winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.WED NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.THU...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...W winds 10 to 15 kt. Waves 1 ft. A chance of rain in the
evening. A chance of rain and snow after midnight.

$$

ANZ534-082100-
Chesapeake Bay from Drum Point to Smith Point-
958 AM EST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NE winds 20 to 25 kt with gusts to 30 kt. Waves
4 ft. Snow likely. Vsby 1 to 3 NM.
.TONIGHT...N winds 15 to 20 kt. Gusts up to 25 kt. Waves 3 ft. A
chance of snow. Vsby 1 to 3 NM.
.TUE...N winds 5 to 10 kt...becoming SW in the afternoon. Waves 1 to
2 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED...SW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.WED NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.THU...NW winds 15 to 20 kt. Waves 2 to 3 ft.
.FRI...W winds 20 to 25 kt. Waves 2 to 3 ft...building to 4 ft after
midnight. A chance of rain in the evening. A chance of rain and snow
after midnight.

$$

ANZ543-082100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
958 AM EST Mon Dec 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NE winds 20 kt with gusts to 30 kt. Waves 2 ft.
Snow likely. Vsby 1 to 3 NM.
.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of snow. Vsby 1 to 3 NM.
.TUE...N winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft.
.TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED...SW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.WED NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 2 to
3 ft.
.THU...NW winds 15 to 20 kt. Waves 1 to 2 ft.
.FRI...W winds 20 to 25 kt. Waves 1 to 2 ft. A chance of rain in the
evening. A chance of rain and snow after midnight.

$$