178
FZUS51 KLWX 061134
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
733 AM EDT Mon Oct 6 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.

ANZ500-062000-
733 AM EDT Mon Oct 6 2025

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

High pressure will remain offshore early this week. 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.

$$

ANZ535-062000-
Tidal Potomac from Key Bridge to Indian Head-
733 AM EDT Mon Oct 6 2025

.TODAY...S winds around 5 kt. Waves 1 ft or less.
.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers.
.WED...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers
likely.
.WED NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.THU...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds around 5 kt. Waves 1 ft.

$$

ANZ536-062000-
Tidal Potomac from Indian Head to Cobb Island-
733 AM EDT Mon Oct 6 2025

.TODAY...S winds 5 kt. Waves less than 1 ft.
.TONIGHT...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.
.WED...NW winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 ft. Showers
likely.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...NE winds 10 to 15 kt...diminishing to 5 kt after midnight.
Waves 1 ft.
.FRI...NE winds 5 kt. Waves less than 1 ft.

$$

ANZ537-062000-
Tidal Potomac from Cobb Island to Smith Point-
733 AM EDT Mon Oct 6 2025

.TODAY...SW winds 5 kt...becoming SE this afternoon. Waves 1 ft or
less.
.TONIGHT...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt. Waves 2 ft. Showers likely.
.WED...W winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 to 2 ft.
Showers.
.WED NIGHT...N winds 20 to 25 kt. Waves 3 ft.
.THU...NE winds 15 to 20 kt. Waves 2 to 3 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ530-062000-
Chesapeake Bay north of Pooles Island-
733 AM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.TODAY...SW winds 5 kt. Waves less than 1 ft.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Patchy
fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers.
.WED...W winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 1 ft. Showers likely.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...NE winds 10 to 15 kt...diminishing to 5 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-062000-
Chesapeake Bay from Pooles Island to Sandy Point-
733 AM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.TODAY...S winds 5 to 10 kt. Gusts up to 20 kt late. Waves 1 ft or
less.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.WED...W winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 1 to 2 ft. Showers likely.
.WED NIGHT...N winds 20 to 25 kt. Waves 3 ft.
.THU...NE winds 15 to 20 kt...becoming E 5 to 10 kt. Waves 1 to
2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ538-062000-
Patapsco River including Baltimore Harbor-
733 AM EDT Mon Oct 6 2025

.TODAY...S winds 5 kt...becoming SE late. Waves 1 ft or less. Patchy
fog this morning with vsby 1 to 3 NM.
.TONIGHT...S winds 5 to 10 kt with gusts to 20 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.
.WED...W winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 1 ft. Showers likely.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...NE winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 ft.
.FRI...E winds around 5 kt. Waves 1 ft or less.

$$

ANZ539-062000-
Chester River to Queenstown MD-
733 AM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Patchy fog this
morning with vsby 1 to 3 NM.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.WED...W winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 1 to 2 ft. Showers likely.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...NE winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 to
2 ft.
.FRI...E winds 5 kt. Waves less than 1 ft.

$$

ANZ532-062000-
Chesapeake Bay from Sandy Point to North Beach-
733 AM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.TODAY...SW winds 5 kt...becoming S 10 to 15 kt with gusts to 20 kt
this afternoon. Waves 1 ft or less...building to 2 ft late.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.WED...W winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 2 ft. Showers likely.
.WED NIGHT...N winds 20 to 25 kt. Waves 3 ft.
.THU...NE winds 15 to 20 kt...becoming E 10 kt. Waves 2 to 3 ft...
subsiding to 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ540-062000-
Eastern Bay-
733 AM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.TODAY...SW winds 5 to 10 kt. Waves 1 ft or less. Patchy fog this
morning with vsby 1 to 3 NM.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TUE...S winds 10 to 15 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers.
.WED...W winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 1 ft. Showers likely.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...NE winds 15 to 20 kt...becoming E 5 to 10 kt. Waves 1 to
2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-062000-
Chesapeake Bay from North Beach to Drum Point-
733 AM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.TODAY...SW winds 5 kt...becoming SE 10 to 15 kt this afternoon.
Waves 1 ft or less...building to 2 ft late.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.WED...W winds 10 to 15 kt...becoming N 15 to 20 kt with gusts to
25 kt in the afternoon. Waves 2 to 3 ft. Showers likely.
.WED NIGHT...N winds 20 to 25 kt. Waves 4 ft.
.THU...NE winds 20 to 25 kt...diminishing to 10 to 15 kt. Waves
3 ft...subsiding to 1 to 2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ541-062000-
Choptank River to Cambridge MD and the Little Choptank River-
733 AM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.TODAY...SW winds 5 to 10 kt. Waves 1 ft or less. Patchy fog this
morning with vsby 1 to 3 NM.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 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.
.WED...W winds 10 to 15 kt...becoming N in the afternoon. Gusts up
to 20 kt. Waves 1 to 2 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt. Waves 2 ft.
.THU...NE winds 15 to 20 kt...becoming E 5 to 10 kt. Waves 1 to
2 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ542-062000-
Patuxent River to Broomes Island MD-
733 AM EDT Mon Oct 6 2025

.TODAY...SW winds 5 kt...becoming S late. Waves 1 ft.
.TONIGHT...S winds 5 to 10 kt with gusts to 20 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.
.WED...NW winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 ft. Showers.
.WED NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.THU...NE winds 10 to 15 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ534-062000-
Chesapeake Bay from Drum Point to Smith Point-
733 AM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.TODAY...SW winds 5 kt...becoming SE this afternoon. Waves 1 ft.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...S winds 15 to 20 kt. Waves 3 ft. Showers likely.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt with gusts to
25 kt in the afternoon. Waves 2 to 3 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.THU...NE winds 20 to 25 kt...diminishing to 10 to 15 kt. Waves
3 ft...subsiding to 2 ft after midnight.
.FRI...NE winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ543-062000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
733 AM EDT Mon Oct 6 2025

.TODAY...SW winds 5 to 10 kt. Waves 1 ft or less. Patchy fog this
morning with vsby 1 to 3 NM.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE NIGHT...S winds 15 to 20 kt. Waves 2 ft. Showers likely.
.WED...SW winds 10 to 15 kt...becoming NW 15 to 20 kt with gusts to
25 kt in the afternoon. Waves 2 ft. Showers.
.WED NIGHT...N winds 20 to 25 kt. Waves 2 to 3 ft.
.THU...NE winds 20 to 25 kt...diminishing to 10 to 15 kt. Waves 1 to
2 ft.
.FRI...NE winds 10 to 15 kt. Waves 1 ft.

$$