458
FZUS51 KLWX 050233
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1033 PM EDT Sat Oct 4 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.

ANZ500-050800-
1033 PM EDT Sat Oct 4 2025

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

High pressure will build offshore this weekend. A cold front  tracks
across the waters by Wednesday. A stronger area of Canadian  high
pressure builds in from the west thereafter. Small Craft  Advisories
may be needed Tuesday through Thursday.

$$

ANZ535-050800-
Tidal Potomac from Key Bridge to Indian Head-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...Light winds. Waves flat. Patchy fog with vsby
1 to 3 NM.
.SUN...S winds around 5 kt. Waves 1 ft or less. Patchy fog. Vsby
1 to 3 NM.
.SUN NIGHT...S winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft. Patchy fog.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...N winds 5 to 10 kt. Waves 1 ft. Showers likely in the
morning. A chance of showers through the night.
.THU...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-050800-
Tidal Potomac from Indian Head to Cobb Island-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...S winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...S winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...NW winds 5 to 10 kt...becoming N 10 to 15 kt after midnight.
Waves 1 ft. A chance of showers.
.THU...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-050800-
Tidal Potomac from Cobb Island to Smith Point-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves flat.
.SUN...S winds around 5 kt. Waves flat.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.WED...NW winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft...building to 3 ft after midnight. A chance of showers.
.THU...NE winds 15 to 20 kt. Waves 2 to 3 ft.

$$

ANZ530-050800-
Chesapeake Bay north of Pooles Island-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves flat.
.SUN...SW winds around 5 kt. Waves flat.
.SUN NIGHT...S winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.WED...NW winds 10 to 15 kt...becoming N 15 to 20 kt after midnight.
Waves 1 ft. Showers likely in the morning. A chance of showers
through the night.
.THU...NE winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 ft.

$$

ANZ531-050800-
Chesapeake Bay from Pooles Island to Sandy Point-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves flat.
.SUN...SW winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.WED...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft. Showers likely in the morning. A chance of showers through the
night.
.THU...NE winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ538-050800-
Patapsco River including Baltimore Harbor-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds around 5 kt. Waves flat.
.SUN...S winds around 5 kt. Waves flat.
.SUN NIGHT...S winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...N winds 10 to 15 kt. Waves 1 ft. Showers likely in the
morning. A chance of showers through the night.
.THU...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-050800-
Chester River to Queenstown MD-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves flat.
.SUN...SW winds around 5 kt. Waves flat.
.SUN NIGHT...S winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.WED...NW winds 10 to 15 kt...becoming N after midnight. Waves 1 to
2 ft. Showers likely in the morning. A chance of showers through the
night.
.THU...NE winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ532-050800-
Chesapeake Bay from Sandy Point to North Beach-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...SW winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.WED...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 to
3 ft. Showers likely in the morning, then a chance of showers
through the night.
.THU...NE winds 15 to 20 kt...becoming E 10 to 15 kt. Waves 2 to
3 ft...subsiding to 1 ft after midnight.

$$

ANZ540-050800-
Eastern Bay-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves flat.
.SUN...SW winds around 5 kt. Waves flat.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.WED...NW winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft. Showers likely in the morning, then a chance of showers
through the night.
.THU...NE winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ533-050800-
Chesapeake Bay from North Beach to Drum Point-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...S winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.WED...W winds 10 to 15 kt...becoming N 20 to 25 kt. Waves 1 ft...
building to 3 ft. A chance of showers.
.THU...NE winds 15 to 20 kt...becoming E 10 to 15 kt. Waves 2 to
3 ft.

$$

ANZ541-050800-
Choptank River to Cambridge MD and the Little Choptank River-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...SW winds around 5 kt. Waves flat.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.WED...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft. Showers likely in the morning, then a chance of showers
through the night.
.THU...NE winds 15 to 20 kt...becoming E 10 to 15 kt. Waves 1 to
2 ft.

$$

ANZ542-050800-
Patuxent River to Broomes Island MD-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...S winds around 5 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.SUN NIGHT...S winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...NW winds 10 to 15 kt...becoming N. Waves 1 ft. A chance of
showers.
.THU...NE winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 ft.

$$

ANZ534-050800-
Chesapeake Bay from Drum Point to Smith Point-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...SW winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.WED...W winds 10 to 15 kt...becoming N 15 to 20 kt in the afternoon
and evening, then increasing to 20 to 25 kt after midnight. Waves
2 to 3 ft...building to 4 ft after midnight. Showers likely through
the day. A chance of showers through the night.
.THU...NE winds 15 to 20 kt. Waves 3 ft...subsiding to 2 ft.

$$

ANZ543-050800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1033 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...SW winds 5 kt. Waves flat.
.SUN...SW winds around 5 kt. Waves flat.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.WED...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to
2 ft. Showers likely through the day. A chance of showers through
the night.
.THU...NE winds 15 to 20 kt. Waves 1 to 2 ft.

$$