580
FZUS51 KLWX 110233
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1033 PM 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.

ANZ500-110800-
1033 PM 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.

$$

ANZ535-110800-
Tidal Potomac from Key Bridge to Indian Head-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...NE 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 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely. Vsby 1 to 3 NM.
.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 15 kt with gusts to 30 kt. Waves 1 ft. Showers
likely.
.MON NIGHT...N winds 10 to 15 kt. Gusts up to 30 kt... diminishing
to 20 kt after midnight. Waves 1 ft. A chance of showers.
.TUE...N winds 10 to 15 kt. Waves 1 ft. A chance of showers in the
morning.
.WED...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-110800-
Tidal Potomac from Indian Head to Cobb Island-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...E winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NE winds 15 to 20 kt. Waves 1 to 2 ft. Showers likely.
Vsby 1 to 3 NM.
.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 with gusts to 30 kt. Waves 2 ft. Showers
likely.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers.
.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.
.WED...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-110800-
Tidal Potomac from Cobb Island to Smith Point-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING...

.REST OF TONIGHT...E winds 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 to 2 ft. A chance of showers.
.SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Showers likely. Vsby 1 to 3 NM.
.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 with gusts to 30 kt. Waves 4 ft. Showers
likely.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. A
chance of showers.
.TUE...N winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers
through the day.
.WED...N winds 15 to 20 kt. Waves 2 ft.

$$

ANZ530-110800-
Chesapeake Bay north of Pooles Island-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...E winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. Vsby
1 to 3 NM.
.SAT NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Showers. Vsby 1 to 3 NM.
.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 with gusts to 30 kt. Waves 2 ft. Showers
likely.
.MON NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft.
Showers likely.
.TUE...N winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers
through the day.
.WED...N winds 10 to 15 kt. Waves 1 ft.

$$

ANZ531-110800-
Chesapeake Bay from Pooles Island to Sandy Point-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less.
.SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft. A chance of showers.
.SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 2 to
3 ft. Showers. Vsby 1 to 3 NM.
.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 4 ft. Showers likely.
.MON NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Showers likely.
.TUE...N winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers
through the day.
.WED...N winds 15 to 20 kt. Waves 2 ft.

$$

ANZ538-110800-
Patapsco River including Baltimore Harbor-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF 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. Gusts up to 25 kt. Waves 1 to
2 ft. Showers. Vsby 1 to 3 NM.
.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.
.MON...N winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. Showers
likely.
.MON NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Showers likely.
.TUE...N winds 10 to 15 kt. Waves 1 ft. A chance of showers through
the day.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-110800-
Chester River to Queenstown MD-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF 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 with gusts to 30 kt. Waves 1 to
2 ft. Showers. Vsby 1 to 3 NM.
.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 with gusts to 30 kt. Waves 3 ft. Showers
likely.
.MON NIGHT...N winds 15 to 20 kt with gusts to 30 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 through the day.
.WED...N winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ532-110800-
Chesapeake Bay from Sandy Point to North Beach-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING...

.REST OF TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
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. Vsby 1 to 3 NM.
.SUN...NE winds 25 to 30 kt. Waves 4 ft. Showers.
.SUN NIGHT...N winds 25 to 30 kt. Waves 5 ft. Showers.
.MON...NW winds 25 to 30 kt. Waves 4 ft. Showers likely.
.MON NIGHT...N winds 25 to 30 kt. Waves 4 ft. Showers likely.
.TUE...N winds 20 to 25 kt...diminishing to 15 kt after midnight.
Waves 2 to 3 ft. A chance of showers through the day.
.WED...N winds 15 to 20 kt. Waves 2 ft.

$$

ANZ540-110800-
Eastern Bay-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING...

.REST OF 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 20 to 25 kt with gusts to 30 kt. Waves 2 ft.
Showers. Vsby 1 to 3 NM.
.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...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. Showers
likely.
.MON NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 2 to
3 ft. Showers likely.
.TUE...N winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers
through the day.
.WED...N winds 10 to 15 kt. Waves 1 ft.

$$

ANZ533-110800-
Chesapeake Bay from North Beach to Drum Point-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING...

.REST OF TONIGHT...E winds 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft. A chance of showers.
.SAT NIGHT...NE winds 20 to 25 kt. Gusts up to 30 kt late. Waves
3 ft. Showers. Vsby 1 to 3 NM.
.SUN...NE winds 25 to 35 kt. Waves 5 ft. Showers.
.SUN NIGHT...N winds 25 to 35 kt. Waves 6 ft. Showers.
.MON...NW winds 25 to 30 kt. Waves 5 ft. Showers likely.
.MON NIGHT...N winds 25 to 30 kt. Waves 5 ft. Showers likely.
.TUE...N winds 20 to 25 kt. Waves 3 ft. A chance of showers through
the day.
.WED...N winds 15 to 20 kt. Waves 2 to 3 ft.

$$

ANZ541-110800-
Choptank River to Cambridge MD and the Little Choptank River-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING...

.REST OF TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft. A chance of showers.
.SAT NIGHT...E winds 20 to 25 kt with gusts to 30 kt. Waves 2 to
3 ft. Showers. Vsby 1 to 3 NM.
.SUN...NE winds 25 to 30 kt. Waves 3 ft. Showers.
.SUN NIGHT...N winds 25 to 30 kt. Waves 4 ft. Showers.
.MON...NW winds 25 to 30 kt. Waves 4 ft. Showers likely.
.MON NIGHT...N winds 20 to 25 kt with gusts 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 through the day.
.WED...N winds 15 to 20 kt. Waves 2 ft.

$$

ANZ542-110800-
Patuxent River to Broomes Island MD-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING...

.REST OF TONIGHT...E winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft. A chance of showers.
.SAT NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
Showers likely. Vsby 1 to 3 NM.
.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.
.MON...NW winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft. Showers
likely.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 1 to
2 ft. Showers likely.
.TUE...N winds 15 to 20 kt. Waves 1 ft. A chance of showers through
the day.
.WED...N winds 10 to 15 kt. Waves 1 ft.

$$

ANZ534-110800-
Chesapeake Bay from Drum Point to Smith Point-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING...

.REST OF TONIGHT...E winds 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
Showers. Vsby 1 to 3 NM.
.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.
.MON...NW winds 25 to 30 kt. Waves 6 ft. Showers likely.
.MON NIGHT...NW winds 25 to 30 kt. Waves 5 ft. Showers likely.
.TUE...N winds 20 to 25 kt. Waves 4 ft...subsiding to 3 ft after
midnight. A chance of showers through the day.
.WED...N winds 15 to 20 kt. Waves 3 ft.

$$

ANZ543-110800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1033 PM EDT Fri Oct 10 2025

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING...

.REST OF TONIGHT...E winds 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. Vsby 1 to 3 NM.
.SAT NIGHT...NE winds 20 to 25 kt. Gusts up to 25 kt...increasing to
30 kt after midnight. Waves 2 to 3 ft. Showers. Vsby 1 to 3 NM.
.SUN...NE winds 25 to 30 kt. Waves 3 ft. Showers.
.SUN NIGHT...N winds 25 to 30 kt. Waves 4 ft. Showers.
.MON...NW winds 25 to 30 kt. Waves 3 ft. Showers likely.
.MON NIGHT...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.
.WED...N winds 15 to 20 kt. Waves 2 ft.

$$