166
FZUS51 KLWX 101434
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1034 AM EDT Fri Oct 10 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.

ANZ500-102000-
1034 AM EDT Fri Oct 10 2025

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

High pressure to our north today will move offshore tonight. Coastal
low pressure develops along the southeast U.S. coast this  weekend,
then moves north toward the Delmarva early next week. Small  Craft
Advisories will be needed this weekend, with gales likely at  times
Saturday night through Monday. Small Craft Advisories are  likely
needed Tuesday, as well.

$$

ANZ535-102000-
Tidal Potomac from Key Bridge to Indian Head-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 5 kt. Waves less than 1 ft.
.TONIGHT...E winds around 5 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.SUN...NE winds 15 to 20 kt with gusts to 35 kt. Waves 1 to 2 ft.
Showers.
.SUN NIGHT...N winds 15 to 20 kt. Gusts up to 35 kt... diminishing
to 25 kt after midnight. Waves 2 ft. Showers likely.
.MON...NW winds 10 to 15 kt. Waves 1 ft. Showers likely, mainly in
the morning.
.TUE...N winds 10 to 15 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ536-102000-
Tidal Potomac from Indian Head to Cobb Island-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...NE winds 15 to 20 kt. Waves 1 to 2 ft. Showers likely.
.SUN...NE winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft.
Showers.
.SUN NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft.
Showers likely.
.MON...NW winds 15 to 20 kt. Waves 2 ft. Showers likely, mainly in
the morning.
.TUE...N winds 15 to 20 kt...diminishing to 10 kt after midnight.
Waves 1 to 2 ft. A chance of showers in the morning.

$$

ANZ537-102000-
Tidal Potomac from Cobb Island to Smith Point-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 10 kt. Waves 2 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Showers.
.SUN...NE winds 25 to 30 kt. Waves 5 ft. Showers.
.SUN NIGHT...N winds 25 to 30 kt. Waves 5 ft. Showers likely.
.MON...NW winds 20 to 25 kt. Waves 4 ft. Showers likely, mainly in
the morning.
.TUE...N winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers in
the morning.

$$

ANZ530-102000-
Chesapeake Bay north of Pooles Island-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 kt. Waves less than 1 ft.
.SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely.
.SAT NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft. Showers.
.SUN...NE winds 20 to 25 kt with gusts to 35 kt. Waves 2 ft.
Showers.
.SUN NIGHT...NE winds 25 to 30 kt. Waves 3 ft. Showers.
.MON...N winds 20 to 25 kt. Waves 2 ft. Showers likely. A chance of
showers after midnight.
.TUE...N winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers in
the morning.

$$

ANZ531-102000-
Chesapeake Bay from Pooles Island to Sandy Point-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 ft. Showers likely.
.SAT NIGHT...NE winds 20 to 25 kt. Gusts up to 30 kt after midnight.
Waves 2 to 3 ft. Showers.
.SUN...NE winds 25 to 30 kt. Waves 4 ft. Showers.
.SUN NIGHT...NE winds 25 to 30 kt. Waves 4 ft. Showers.
.MON...N winds 25 to 30 kt. Waves 3 ft. Showers through the day,
then a chance of showers through the night.
.TUE...N winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers in
the morning.

$$

ANZ538-102000-
Patapsco River including Baltimore Harbor-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.SAT NIGHT...NE winds 10 kt...increasing to 15 to 20 kt after
midnight. Gusts up to 25 kt. Waves 1 to 2 ft. Showers.
.SUN...NE winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
Showers.
.SUN NIGHT...NE winds 20 kt with gusts to 35 kt. Waves 2 ft. Showers
likely.
.MON...N winds 15 to 20 kt. Waves 1 to 2 ft. Showers likely through
the day, then a chance of showers through the night.
.TUE...N winds 10 to 15 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ539-102000-
Chester River to Queenstown MD-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 5 kt. Waves less than 1 ft.
.TONIGHT...E winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.SAT NIGHT...NE winds 15 to 20 kt. Gusts up to 20 kt...increasing to
30 kt after midnight. Waves 1 to 2 ft. Showers.
.SUN...NE winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
Showers.
.SUN NIGHT...NE winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
Showers.
.MON...N winds 20 to 25 kt. Waves 3 ft. Showers likely .
.TUE...N winds 15 to 20 kt...diminishing to 10 kt after midnight.
Waves 2 to 3 ft. A chance of showers in the morning.

$$

ANZ532-102000-
Chesapeake Bay from Sandy Point to North Beach-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers likely.
.SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 2 to
3 ft. Showers.
.SUN...NE winds 25 to 30 kt. Waves 4 ft. Showers.
.SUN NIGHT...N winds 25 to 30 kt. Waves 5 ft. Showers.
.MON...N winds 25 to 30 kt. Waves 4 ft. Showers likely through the
day, then a chance of showers through the night.
.TUE...N winds 20 to 25 kt...diminishing to 10 to 15 kt after
midnight. Waves 2 to 3 ft. A chance of showers in the morning.

$$

ANZ540-102000-
Eastern Bay-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.SAT NIGHT...E winds 10 to 15 kt...becoming NE 20 to 25 kt after
midnight. Gusts up to 30 kt. Waves 2 ft. Showers.
.SUN...NE winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
Showers.
.SUN NIGHT...NE winds 25 to 30 kt. Waves 3 ft. Showers.
.MON...N winds 20 to 25 kt. Waves 2 to 3 ft. Showers likely .
.TUE...N winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers in
the morning.

$$

ANZ533-102000-
Chesapeake Bay from North Beach to Drum Point-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Showers.
.SUN...NE winds 25 to 35 kt. Waves 5 ft. Showers.
.SUN NIGHT...N winds 25 to 35 kt. Waves 6 ft. Showers likely.
.MON...NW winds 25 to 30 kt. Waves 5 ft. Showers likely through the
day, then a chance of showers through the night.
.TUE...N winds 20 to 25 kt...diminishing to 15 kt after midnight.
Waves 3 ft. A chance of showers in the morning.

$$

ANZ541-102000-
Choptank River to Cambridge MD and the Little Choptank River-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
likely.
.SAT NIGHT...E winds 20 to 25 kt with gusts to 30 kt. Waves 2 to
3 ft. Showers.
.SUN...NE winds 25 to 30 kt. Waves 3 ft. Showers.
.SUN NIGHT...N winds 25 to 30 kt. Waves 4 ft. Showers likely.
.MON...NW winds 25 to 30 kt. Waves 3 ft. Showers likely .
.TUE...N winds 20 to 25 kt...diminishing to 10 to 15 kt after
midnight. Waves 2 to 3 ft. A chance of showers in the morning.

$$

ANZ542-102000-
Patuxent River to Broomes Island MD-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.SAT NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
Showers.
.SUN...NE winds 20 to 25 kt with gusts to 40 kt. Waves 1 to 2 ft.
Showers.
.SUN NIGHT...N winds 20 to 25 kt. Gusts up to 40 kt... diminishing
to 30 kt after midnight. Waves 2 ft. Showers likely.
.MON...NW winds 20 to 25 kt. Waves 1 to 2 ft. Showers likely through
the day, then a chance of showers through the night.
.TUE...N winds 15 to 20 kt...diminishing to 5 to 10 kt after
midnight. Waves 1 ft. A chance of showers in the morning.

$$

ANZ534-102000-
Chesapeake Bay from Drum Point to Smith Point-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 10 to 15 kt. Waves 2 ft.
.TONIGHT...E winds 10 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
Showers.
.SUN...NE winds 25 to 30 kt with gusts to 45 kt. Waves 6 ft.
Showers.
.SUN NIGHT...N winds 25 to 35 kt. Waves 7 ft. Showers likely.
.MON...NW winds 25 to 30 kt. Waves 5 ft. Showers likely through the
day, then a chance of showers through the night.
.TUE...N winds 20 to 25 kt. Waves 4 ft...subsiding to 3 ft after
midnight. A chance of showers in the morning.

$$

ANZ543-102000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1034 AM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY
NIGHT...

.REST OF TODAY...E winds 10 kt. Waves 1 ft.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 2 to
3 ft. Showers.
.SUN...NE winds 25 to 30 kt. Waves 3 ft. Showers.
.SUN NIGHT...N winds 25 to 30 kt. Waves 4 ft. Showers likely.
.MON...NW winds 25 to 30 kt. Waves 3 ft. Showers likely .
.TUE...N winds 20 to 25 kt. Waves 2 to 3 ft. A chance of showers in
the morning.

$$