092
FZUS51 KLWX 150834
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
433 AM EDT Wed Oct 15 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.

ANZ500-152300-
433 AM EDT Wed Oct 15 2025

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

A cold front moves through the area today. A prolonged period of
hazardous marine conditions is expected to continue through the end
of the week. Small Craft Advisories will likely be needed through
Friday morning.

$$

ANZ535-152300-
Tidal Potomac from Key Bridge to Indian Head-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING...

.REST OF THE OVERNIGHT...N winds 10 kt. Waves 1 ft.
.TODAY...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt with gusts to 25 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in
the afternoon. Showers likely through the night.

$$

ANZ536-152300-
Tidal Potomac from Indian Head to Cobb Island-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING...

.REST OF THE OVERNIGHT...N winds 10 kt. Waves 1 ft.
.TODAY...N winds 10 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in
the afternoon. Showers likely through the night.

$$

ANZ537-152300-
Tidal Potomac from Cobb Island to Smith Point-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt...becoming S 10 to 15 kt. Waves 1 ft or
less.
.SUN...S winds 15 to 20 kt. Waves 2 ft. Showers likely through the
night.

$$

ANZ530-152300-
Chesapeake Bay north of Pooles Island-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 15 kt with gusts to 20 kt. Waves
1 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...N winds 15 to 20 kt. Waves 2 ft.
.THU...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI NIGHT...N winds around 5 kt. Waves 1 ft.
.SAT...W winds around 5 kt...becoming S. Waves 1 ft.
.SUN...S winds 15 to 20 kt...becoming SW after midnight. Waves 1 to
2 ft. A chance of showers in the afternoon. Showers likely through
the night.

$$

ANZ531-152300-
Chesapeake Bay from Pooles Island to Sandy Point-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds around 5 kt...becoming S. Waves 1 ft or less.
.SUN...S winds 15 to 20 kt...becoming SW after midnight. Waves 2 to
3 ft. A chance of showers in the afternoon. Showers likely through
the night.

$$

ANZ538-152300-
Patapsco River including Baltimore Harbor-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 10 kt. Waves 1 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves 1 ft or less.
.SAT...S winds around 5 kt...increasing to 5 to 10 kt after
midnight. Waves 1 ft or less.
.SUN...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers in the afternoon. Showers likely through the
night.

$$

ANZ539-152300-
Chester River to Queenstown MD-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 15 kt. Waves 2 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.FRI...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.FRI NIGHT...N winds around 5 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt...becoming S. Waves 1 ft or less.
.SUN...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in
the afternoon. Showers likely through the night.

$$

ANZ532-152300-
Chesapeake Bay from Sandy Point to North Beach-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...N winds 20 to 25 kt. Waves 3 ft.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 kt...becoming S 10 to 15 kt. Waves 1 ft or less...
building to 2 ft after midnight.
.SUN...S winds 20 to 25 kt. Waves 2 ft...building to 3 ft. A chance
of showers in the afternoon. Showers likely through the night.

$$

ANZ540-152300-
Eastern Bay-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 15 kt with gusts to 20 kt. Waves
1 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI NIGHT...N winds 5 kt. Waves less than 1 ft.
.SAT...SW winds around 5 kt...becoming S. Waves 1 ft or less.
.SUN...S winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers in
the afternoon. Showers likely through the night.

$$

ANZ533-152300-
Chesapeake Bay from North Beach to Drum Point-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 15 kt with gusts to 20 kt. Waves
3 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.TONIGHT...N winds 20 to 25 kt. Gusts up to 30 kt after midnight.
Waves 3 ft.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 kt...becoming S 10 to 15 kt. Waves 1 to 2 ft.
.SUN...S winds 10 to 15 kt...increasing to 20 to 25 kt. Waves 2 ft...
building to 3 ft. Showers likely through the night.

$$

ANZ541-152300-
Choptank River to Cambridge MD and the Little Choptank River-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...N winds 20 to 25 kt. Waves 2 to 3 ft.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.FRI NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 kt...becoming S 10 to 15 kt. Waves 1 ft or less.
.SUN...S winds 15 to 20 kt. Waves 2 ft. Showers likely through the
night.

$$

ANZ542-152300-
Patuxent River to Broomes Island MD-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 10 kt with gusts to 20 kt. Waves
1 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.FRI NIGHT...NW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds around 5 kt...becoming S. Waves 1 ft.
.SUN...S winds 10 to 15 kt. Waves 1 ft. Showers likely through the
night.

$$

ANZ534-152300-
Chesapeake Bay from Drum Point to Smith Point-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 20 kt. Waves 3 ft.
.TODAY...N winds 15 kt with gusts to 20 kt. Waves 3 ft.
.TONIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.THU...N winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.THU NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.FRI...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT...W winds 5 kt...becoming S 10 to 15 kt. Waves 1 to 2 ft.
.SUN...S winds 20 to 25 kt. Waves 3 ft. Showers likely through the
night.

$$

ANZ543-152300-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
433 AM EDT Wed Oct 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF THE OVERNIGHT...N winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...N winds 20 to 25 kt. Waves 2 ft.
.THU...N winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.THU NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.FRI...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 kt...becoming S 10 to 15 kt. Waves 1 to 2 ft.
.SUN...S winds 20 to 25 kt. Waves 2 to 3 ft. Showers likely through
the night.

$$