350
FZUS51 KLWX 251251
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
751 AM EST Tue Nov 25 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.

ANZ500-252100-
751 AM EST Tue Nov 25 2025

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

A low pressure system and series of fronts will cross today  into
Wednesday. Small Craft Advisories will likely be needed through  the
end of the week. Gales are possible over the waters on Friday.

$$

ANZ535-252100-
Tidal Potomac from Key Bridge to Indian Head-
751 AM EST Tue Nov 25 2025

.TODAY...S winds 5 kt. Waves less than 1 ft. A chance of rain this
morning, then rain this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain likely. Patchy fog.
Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of rain. Vsby 1 to 3 NM.
.WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.THU NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...W winds 10 to 15 kt...becoming NW 5 kt after midnight. Waves
1 ft.
.SAT...SW winds around 5 kt. Waves 1 ft.

$$

ANZ536-252100-
Tidal Potomac from Indian Head to Cobb Island-
751 AM EST Tue Nov 25 2025

.TODAY...S winds 5 to 10 kt. Waves 1 ft. A chance of rain this
morning, then rain likely this afternoon.
.TONIGHT...S winds 10 to 15 kt. Waves 1 ft. Rain. Patchy fog. Vsby
1 NM or less.
.WED...SW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. A
chance of rain. Vsby 1 to 3 NM.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.THU NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...W winds 15 to 20 kt...becoming NW 5 to 10 kt. Waves 1 to
2 ft.
.SAT...SW winds around 5 kt. Waves 1 ft.

$$

ANZ537-252100-
Tidal Potomac from Cobb Island to Smith Point-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 10 kt. Waves 1 ft. A slight chance of rain this
morning, then a chance of rain this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain
with a chance of tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain likely. Vsby 1 to 3 NM.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...NW winds 15 to 20 kt. Waves 2 to 3 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ530-252100-
Chesapeake Bay north of Pooles Island-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 5 kt. Waves less than 1 ft. Rain likely this
afternoon. Patchy fog this afternoon with vsby 1 to 3 NM.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby
1 NM or less.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of rain. Patchy fog. Vsby 1 NM or less.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI...W winds 15 to 20 kt. Waves 1 to 2 ft.
.SAT...W winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.

$$

ANZ531-252100-
Chesapeake Bay from Pooles Island to Sandy Point-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 5 to 10 kt. Waves 1 ft. A chance of rain this
afternoon with vsby 1 to 3 NM.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Rain. Patchy fog. Vsby 1 NM or less.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of rain. Vsby 1 to 3 NM.
.WED NIGHT...W winds 20 to 25 kt. Waves 3 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU NIGHT...W winds 20 to 25 kt. Waves 3 ft.
.FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight.
Waves 2 to 3 ft.
.SAT...W winds 5 to 10 kt...becoming S after midnight. Waves 1 ft or
less.

$$

ANZ538-252100-
Patapsco River including Baltimore Harbor-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 5 to 10 kt. Waves flat. A slight chance of rain
this morning, then rain this afternoon. Patchy fog this afternoon
with vsby 1 to 3 NM.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby
1 to 3 NM.
.WED...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of rain.
.WED NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 15 kt with gusts to 25 kt. Waves 2 ft.
.FRI...W winds 15 to 20 kt...becoming NW 5 to 10 kt after midnight.
Waves 1 to 2 ft.
.SAT...SW winds around 5 kt. Waves 1 ft or less.

$$

ANZ539-252100-
Chester River to Queenstown MD-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 5 to 10 kt. Waves 1 ft. Rain likely this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Rain. Patchy fog. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of rain.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...W winds 15 to 20 kt. Waves 2 to 3 ft.
.SAT...W winds 5 to 10 kt...becoming S after midnight. Waves 1 ft or
less.

$$

ANZ532-252100-
Chesapeake Bay from Sandy Point to North Beach-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 10 kt. Waves 1 ft. Rain this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Rain. Patchy fog. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of rain.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight.
Waves 2 to 3 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less.

$$

ANZ540-252100-
Eastern Bay-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 5 to 10 kt. Waves 1 ft. Rain likely this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Rain. Patchy fog. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of rain.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI...W winds 15 to 20 kt. Waves 2 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less.

$$

ANZ533-252100-
Chesapeake Bay from North Beach to Drum Point-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 10 kt. Waves 1 ft. Rain likely this afternoon.
.TONIGHT...S winds 15 to 20 kt. Waves 2 ft. Rain with a chance of
tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...SW winds 15 kt with gusts to 20 kt. Waves 2 ft. Rain likely.
Vsby 1 to 3 NM.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight.
Waves 3 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 to 2 ft...subsiding
to 1 ft or less.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ541-252100-
Choptank River to Cambridge MD and the Little Choptank River-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 10 kt. Waves 1 ft. Rain likely this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain with a chance of tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain likely. Vsby 1 to 3 NM.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight.
Waves 2 to 3 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ542-252100-
Patuxent River to Broomes Island MD-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 5 to 10 kt. Waves 1 ft. A slight chance of rain
this morning, then rain likely this afternoon.
.TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft. Rain with
a chance of tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Rain
likely.
.WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...W winds 15 to 20 kt...becoming NW 5 to 10 kt after midnight.
Waves 1 ft.
.SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ534-252100-
Chesapeake Bay from Drum Point to Smith Point-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of rain this afternoon.
.TONIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Rain
likely with a chance of tstms. Vsby 1 to 3 NM.
.WED...SW winds 15 kt with gusts to 20 kt. Waves 2 to 3 ft. Rain
likely. Vsby 1 to 3 NM.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 4 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.THU NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.FRI...NW winds 20 to 25 kt. Waves 4 ft.
.SAT...NW winds 10 to 15 kt...becoming SW 5 kt. Waves 1 to 2 ft...
subsiding to 1 ft or less.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ543-252100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
751 AM EST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...S winds 10 to 15 kt. Gusts up to 20 kt late this morning
and afternoon. Waves 1 ft. A slight chance of rain this afternoon.
.TONIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Rain
with a chance of tstms. Vsby 1 to 3 NM.
.WED...SW winds 15 to 20 kt. Waves 2 ft. Rain. Patchy dense fog.
Vsby 1 NM or less.
.WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.THU NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft.
.FRI...NW winds 20 to 25 kt. Waves 2 to 3 ft.
.SAT...NW winds 10 to 15 kt...becoming SE around 5 kt. Waves 1 ft or
less.

Winds and waves higher and visibilities lower in and near tstms.

$$