907
FZUS51 KLWX 161133
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
733 AM EDT Thu Oct 16 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.

ANZ500-162000-
733 AM EDT Thu Oct 16 2025

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

A prolonged period of hazardous marine conditions is expected to
continue through the end of the week in the wake of a strong cold
front. High pressure will build to the north at the end of the week
into the weekend, then another strong cold front will cross the
region Sunday into Monday. Small Craft Advisories will likely be
needed through Friday morning an again Sunday into early next week.

$$

ANZ535-162000-
Tidal Potomac from Key Bridge to Indian Head-
733 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...N winds 10 kt. Gusts up to 20 kt late this morning and
afternoon. Waves 1 ft.
.TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt early in the
evening. 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 around 5 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 15 to 20 kt...becoming W 10 to 15 kt. Waves 1 to
2 ft. A chance of showers in the afternoon. Showers likely through
the night.
.MON...W winds 10 to 15 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ536-162000-
Tidal Potomac from Indian Head to Cobb Island-
733 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...N winds 10 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...N winds 5 to 10 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...SW winds around 5 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 15 to 20 kt...becoming W 10 to 15 kt after midnight.
Waves 1 to 2 ft. A chance of showers.
.MON...W winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in
the morning.

$$

ANZ537-162000-
Tidal Potomac from Cobb Island to Smith Point-
733 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...N winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI NIGHT...NW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 10 to 15 kt. Waves 1 ft.
.SUN...S winds 15 to 20 kt...becoming W after midnight. Waves 2 to
3 ft. Showers likely through the night.
.MON...W winds 15 to 20 kt...diminishing to 5 to 10 kt. Waves 1 to
2 ft. A chance of showers in the morning.

$$

ANZ530-162000-
Chesapeake Bay north of Pooles Island-
733 AM EDT Thu Oct 16 2025

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

.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.
.FRI...N winds 10 to 15 kt. Waves 1 ft.
.FRI NIGHT...N winds around 5 kt. Waves 1 ft.
.SAT...E winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 15 to 20 kt...becoming W 20 to 25 kt after midnight.
Waves 1 to 2 ft. A chance of showers in the afternoon. Showers
likely through the night.
.MON...W winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers in
the morning.

$$

ANZ531-162000-
Chesapeake Bay from Pooles Island to Sandy Point-
733 AM EDT Thu Oct 16 2025

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

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

$$

ANZ538-162000-
Patapsco River including Baltimore Harbor-
733 AM EDT Thu Oct 16 2025

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

.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.
.FRI...NW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves 1 ft or less.
.SAT...E winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 15 to 20 kt...becoming W. Waves 1 to 2 ft. A chance
of showers in the afternoon. Showers likely through the night.
.MON...W winds 15 to 20 kt...diminishing to 5 to 10 kt after
midnight. Waves 1 ft. A chance of showers in the morning.

$$

ANZ539-162000-
Chester River to Queenstown MD-
733 AM EDT Thu Oct 16 2025

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

.TODAY...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...N winds 10 to 15 kt. Waves 1 to 2 ft.
.FRI NIGHT...N winds around 5 kt. Waves 1 ft or less.
.SAT...SE winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 15 to 20 kt...becoming W after midnight. Waves 2 to
3 ft. A chance of showers in the afternoon. Showers likely through
the night.
.MON...W winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers in
the morning.

$$

ANZ532-162000-
Chesapeake Bay from Sandy Point to North Beach-
733 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...N winds 15 to 20 kt. Waves 2 ft.
.TONIGHT...N winds 15 to 20 kt. Waves 2 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 or less.
.SAT...NW winds around 5 kt...becoming S in the afternoon. Waves
1 ft or less.
.SAT NIGHT...S winds 10 to 15 kt. Waves 2 ft.
.SUN...S winds 20 to 25 kt...becoming W after midnight. Waves 3 ft.
A chance of showers in the afternoon. Showers likely through the
night.
.MON...W winds 20 to 25 kt...diminishing to 10 to 15 kt. Waves 2 to
3 ft. A chance of showers in the morning.

$$

ANZ540-162000-
Eastern Bay-
733 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

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

$$

ANZ533-162000-
Chesapeake Bay from North Beach to Drum Point-
733 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

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

$$

ANZ541-162000-
Choptank River to Cambridge MD and the Little Choptank River-
733 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...N winds 15 kt with gusts to 25 kt. Waves 2 ft.
.TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI...N winds 15 to 20 kt...becoming NW 5 to 10 kt late. Waves
2 ft.
.FRI NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.SAT...NW winds around 5 kt...becoming S in the afternoon. Waves
1 ft or less.
.SAT NIGHT...S winds 10 to 15 kt. Waves 1 to 2 ft.
.SUN...S winds 10 to 15 kt...increasing to 20 to 25 kt in the
afternoon and evening, then becoming W after midnight. Waves 2 to
3 ft. A chance of showers in the afternoon. Showers likely through
the night.
.MON...W winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers in
the morning.

$$

ANZ542-162000-
Patuxent River to Broomes Island MD-
733 AM EDT Thu Oct 16 2025

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

.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.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves 1 ft.
.SAT...W winds around 5 kt...becoming S in the afternoon. Waves
1 ft.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 15 to 20 kt...becoming W 10 to 15 kt after midnight.
Waves 1 ft. A chance of showers in the afternoon. Showers likely
through the night.
.MON...W winds 10 to 15 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ534-162000-
Chesapeake Bay from Drum Point to Smith Point-
733 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...N winds 20 kt with gusts to 25 kt. Waves 3 ft.
.TONIGHT...N winds 20 to 25 kt. Waves 4 ft.
.FRI...N winds 15 to 20 kt. Waves 3 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT...NW winds 5 kt...becoming S in the afternoon. Waves 1 ft.
.SAT NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN...S winds 20 to 25 kt...becoming W after midnight. Waves 3 ft.
Showers likely through the night.
.MON...W winds 20 to 25 kt...diminishing to 10 to 15 kt. Waves
3 ft...subsiding to 2 ft after midnight. A chance of showers in the
morning.

$$

ANZ543-162000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
733 AM EDT Thu Oct 16 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...N winds 20 kt with gusts to 25 kt. Waves 2 ft.
.TONIGHT...N winds 20 to 25 kt. Waves 2 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 SW in the afternoon. Waves 1 ft or
less.
.SAT NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SUN...S winds 20 to 25 kt...becoming W after midnight. Waves 2 to
3 ft. Showers likely through the night.
.MON...W winds 20 to 25 kt...diminishing to 10 to 15 kt. Waves 2 ft.
A chance of showers in the morning.

$$