316
FZUS51 KLWX 140535
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
135 AM EDT Tue Oct 14 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.

ANZ500-142000-
135 AM EDT Tue Oct 14 2025

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

An area of low pressure east of the Delmarva will gradually move
offshore through tonight. A cold front moves through the area on
Wednesday. 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 Thursday night.

$$

ANZ535-142000-
Tidal Potomac from Key Bridge to Indian Head-
135 AM EDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.OVERNIGHT...N winds 10 kt with gusts to 25 kt. Waves 1 ft. Areas of
drizzle.
.TUE...N winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance of
sprinkles with patchy drizzle.
.TUE NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.WED...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...W winds around 5 kt. Waves 1 ft or less.
.SAT...S winds around 5 kt. Waves 1 ft.

$$

ANZ536-142000-
Tidal Potomac from Indian Head to Cobb Island-
135 AM EDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.OVERNIGHT...N winds 15 kt with gusts to 25 kt. Waves 2 ft. Areas of
drizzle.
.TUE...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. A
chance of sprinkles with areas of drizzle.
.TUE NIGHT...N winds 10 kt with gusts to 20 kt. Waves 1 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...N winds 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...NW winds 5 to 10 kt...becoming SW. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-142000-
Tidal Potomac from Cobb Island to Smith Point-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 3 ft. Areas of
drizzle.
.TUE...N winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. Areas of
drizzle.
.TUE NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED NIGHT...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 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...N winds 10 to 15 kt...becoming W around 5 kt. Waves 1 to
2 ft.
.SAT...S winds 10 to 15 kt. Waves 1 ft.

$$

ANZ530-142000-
Chesapeake Bay north of Pooles Island-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 20 kt with gusts to 25 kt. Waves 2 ft. Areas of
drizzle.
.TUE...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. A
chance of sprinkles with patchy drizzle.
.TUE NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...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 1 ft.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-142000-
Chesapeake Bay from Pooles Island to Sandy Point-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 20 kt with gusts to 30 kt. Waves 3 ft. Areas of
drizzle.
.TUE...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. A
chance of sprinkles with patchy drizzle.
.TUE NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...N winds 15 to 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt...becoming W after midnight. Waves 1 to
2 ft...subsiding to flat after midnight.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ538-142000-
Patapsco River including Baltimore Harbor-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 15 kt with gusts to 25 kt. Waves 2 ft. Areas of
drizzle.
.TUE...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A chance
of sprinkles with patchy drizzle.
.TUE NIGHT...N winds 10 kt with gusts to 20 kt. Waves 1 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...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...NW winds 5 to 10 kt...becoming light. Waves 1 ft or less.
.SAT...S winds around 5 kt. Waves 1 ft or less.

$$

ANZ539-142000-
Chester River to Queenstown MD-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 20 kt with gusts to 30 kt. Waves 3 ft. Areas of
drizzle.
.TUE...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. A
chance of sprinkles with patchy drizzle.
.TUE NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED NIGHT...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 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft
or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ532-142000-
Chesapeake Bay from Sandy Point to North Beach-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 25 kt with gusts to 30 kt. Waves 4 ft. Areas of
drizzle.
.TUE...N winds 20 to 25 kt. Waves 3 ft. A chance of sprinkles with
patchy drizzle.
.TUE NIGHT...N winds 15 to 20 kt. Waves 2 to 3 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED NIGHT...N winds 20 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. Waves 2 ft.
.FRI...N winds 10 to 15 kt...becoming W 5 kt. Waves 1 to 2 ft.
.SAT...S winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ540-142000-
Eastern Bay-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 20 kt with gusts to 30 kt. Waves 2 to 3 ft.
Areas of drizzle.
.TUE...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A chance
of sprinkles with patchy drizzle.
.TUE NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...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 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft
or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ533-142000-
Chesapeake Bay from North Beach to Drum Point-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 25 kt with gusts to 30 kt. Waves 4 ft...except
around 3 ft near the mouth of the Choptank. Areas of drizzle.
.TUE...N winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. Areas of
drizzle.
.TUE NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED NIGHT...N winds 20 to 25 kt. Waves 4 ft.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU NIGHT...N winds 15 to 20 kt. Waves 3 ft.
.FRI...N winds 10 to 15 kt...becoming W 5 kt. Waves 1 to 2 ft.
.SAT...S winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ541-142000-
Choptank River to Cambridge MD and the Little Choptank River-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 25 kt with gusts to 30 kt. Waves 3 ft. Areas of
drizzle.
.TUE...N winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft.
Areas of drizzle.
.TUE NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED NIGHT...N winds 20 to 25 kt. Waves 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. Waves 2 ft.
.FRI...N winds 10 to 15 kt...becoming W around 5 kt. Waves 1 ft.
.SAT...S winds 10 to 15 kt. Waves 1 ft.

$$

ANZ542-142000-
Patuxent River to Broomes Island MD-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 20 kt with gusts to 30 kt. Waves 1 ft.
Widespread drizzle.
.TUE...N winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft. Areas of
drizzle.
.TUE NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...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...NW winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft.

$$

ANZ534-142000-
Chesapeake Bay from Drum Point to Smith Point-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 25 kt with gusts to 30 kt. Waves 4 ft. Areas of
drizzle.
.TUE...N winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. Areas of
drizzle.
.TUE NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.WED NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 4 ft.
.THU NIGHT...N winds 20 to 25 kt. Waves 4 ft.
.FRI...N winds 10 to 15 kt...becoming W 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft.
.SAT...S winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ543-142000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
135 AM EDT Tue Oct 14 2025

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

.OVERNIGHT...N winds 20 kt with gusts to 30 kt. Waves 2 ft. Areas of
drizzle.
.TUE...N winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft.
Areas of drizzle.
.TUE NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.WED NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 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...NW winds 10 to 15 kt...becoming W 5 kt after midnight. Waves
1 to 2 ft.
.SAT...S winds 10 to 15 kt. Waves 1 to 2 ft.

$$