862
FZUS51 KLWX 112035
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
435 PM EDT Fri Apr 11 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.

ANZ500-120800-
435 PM EDT Fri Apr 11 2025

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

Low pressure will linger nearby through tonight, before progressing
offshore this weekend. High pressure returns for Sunday and Monday.
A cold front will push through the area Monday night.   Additional
Small Craft Advisories are likely needed Saturday night  through
Sunday afternoon and again Monday night through Tuesday.  Boaters
should be aware of the threats of boating in cold water,  even when
air temperatures are warm. Visit  weather.gov/safety/coldwater for
more information.

$$

ANZ535-120800-
Tidal Potomac from Key Bridge to Indian Head-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 10 kt with gusts to 20 kt. Waves
1 ft. Showers with a slight chance of tstms. Vsby 1 NM or less.
.TONIGHT...N winds 5 to 10 kt with gusts to 25 kt. Waves 1 ft.
Showers. Vsby 1 NM or less.
.SAT...N winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance of
showers.
.SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds around 5 kt. Waves 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.TUE...W winds 10 to 15 kt. Waves 1 ft.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ536-120800-
Tidal Potomac from Indian Head to Cobb Island-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 10 kt with gusts to 20 kt. Waves
1 ft. Showers with a slight chance of tstms. Vsby 1 NM or less.
.TONIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
Showers. Vsby 1 NM or less.
.SAT...N winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance of
showers.
.SAT NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 10 to 15 kt. Waves 1 ft.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ537-120800-
Tidal Potomac from Cobb Island to Smith Point-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 15 kt with gusts to 25 kt. Waves
3 ft. Showers with a chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
Showers with a chance of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A chance
of showers.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...SW winds 10 to 15 kt. Waves 1 to 2 ft.
.TUE...W winds 10 to 15 kt. Waves 2 ft. A chance of showers through
the night.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ530-120800-
Chesapeake Bay north of Pooles Island-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers. Vsby 1 to 3 NM.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers likely. Vsby 1 to 3 NM.
.SAT NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ531-120800-
Chesapeake Bay from Pooles Island to Sandy Point-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 15 kt with gusts to 25 kt. Waves
2 ft. Showers. Vsby 1 NM or less.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Showers. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers likely. Vsby 1 to 3 NM.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN...NW winds 5 to 10 kt. Waves 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
through the night.
.TUE...W winds 15 to 20 kt. Waves 2 to 3 ft.

$$

ANZ538-120800-
Patapsco River including Baltimore Harbor-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 10 kt with gusts to 20 kt. Waves
1 ft. Showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
Showers. Vsby 1 to 3 NM.
.SAT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers
likely.
.SAT NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
through the night.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ539-120800-
Chester River to Queenstown MD-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 15 kt with gusts to 20 kt. Waves
1 ft. Showers with a slight chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 15 kt with gusts to 25 kt. Waves 2 ft. Showers.
Vsby 1 NM or less.
.SAT...N winds 15 kt with gusts to 25 kt. Waves 2 ft. Showers
likely.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.SUN...N winds 5 to 10 kt. Waves 2 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
through the night.
.TUE...W winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers
through the day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ532-120800-
Chesapeake Bay from Sandy Point to North Beach-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 15 kt with gusts to 25 kt. Waves
2 ft. Showers with a slight chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
Showers. Vsby 1 NM or less.
.SAT...N winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. Showers
likely.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.TUE...W winds 10 to 15 kt. Waves 2 ft. A chance of showers through
the day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ540-120800-
Eastern Bay-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 15 kt with gusts to 25 kt. Waves
2 ft. Showers with a slight chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 15 kt with gusts to 30 kt. Waves 2 ft. Showers.
Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers
likely.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SUN...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.TUE...W winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ533-120800-
Chesapeake Bay from North Beach to Drum Point-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 15 kt with gusts to 25 kt. Waves
3 ft. Showers with a slight chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft.
Showers. Vsby 1 NM or less.
.SAT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Showers
likely.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.TUE...W winds 10 to 15 kt. Waves 2 ft. A chance of showers through
the day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ541-120800-
Choptank River to Cambridge MD and the Little Choptank River-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 15 kt with gusts to 25 kt. Waves
2 ft. Showers with a slight chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
Showers. Vsby 1 NM or less.
.SAT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Showers
likely.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.TUE...W winds 10 to 15 kt. Waves 2 ft. A chance of showers through
the day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ542-120800-
Patuxent River to Broomes Island MD-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...NE winds 15 kt with gusts to 20 kt. Waves
1 ft. Showers with a chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
Showers with a chance of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A chance
of showers.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds 10 to 15 kt. Waves 1 ft. A chance of showers through
the day.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ534-120800-
Chesapeake Bay from Drum Point to Smith Point-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...E winds 15 kt with gusts to 25 kt. Waves
3 ft. Showers with a chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 15 to 20 kt...becoming N late. Gusts up to
30 kt. Waves 3 ft. Showers with a chance of tstms. Vsby 1 NM or
less.
.SAT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A chance
of showers.
.SAT NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of showers.
.SUN...N winds 15 to 20 kt. Waves 3 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt. Waves 1 to 2 ft.
.TUE...W winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers
through the night.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ543-120800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
435 PM EDT Fri Apr 11 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...

.REST OF THIS AFTERNOON...E winds 15 kt with gusts to 25 kt. Waves
2 ft. Showers with a chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 15 to 20 kt...becoming N late. Gusts up to
25 kt. Waves 2 ft. Showers with a chance of tstms. Vsby 1 NM or
less.
.SAT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A chance
of showers.
.SAT NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt. Waves 1 to 2 ft.
.TUE...W winds 15 to 20 kt. Waves 2 ft. A chance of showers through
the night.

Winds and waves higher and visibilities lower in and near tstms.

$$