608
FZUS51 KLWX 040537
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
137 AM EDT Wed Jun 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.

ANZ500-042000-
137 AM EDT Wed Jun 4 2025

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

High pressure will push offshore today. Low pressure will move
across the Carolinas and off the Mid Atlantic coast Thursday and
Friday. A frontal system will drop into the area on Saturday.
Additional Small Craft Advisories may be needed for portions of the
waters late Thursday and late Friday in a continually favorable
southerly channeling setup.

$$

ANZ535-042000-
Tidal Potomac from Key Bridge to Indian Head-
137 AM EDT Wed Jun 4 2025

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds around 5 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT...W winds around 5 kt. Waves 1 ft. Showers likely. A chance of
tstms through the night.
.SUN...SW winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-042000-
Tidal Potomac from Indian Head to Cobb Island-
137 AM EDT Wed Jun 4 2025

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 5 kt. Waves less than 1 ft. A chance of showers.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...W winds 5 kt. Waves less than 1 ft. Showers likely. A chance
of tstms through the night.
.SUN...SW winds around 5 kt. Waves 1 ft.

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

$$

ANZ537-042000-
Tidal Potomac from Cobb Island to Smith Point-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early
morning. Waves 1 to 2 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 5 to 10 kt...becoming W after midnight. Waves 1 ft.
Showers likely. A chance of tstms through the night.
.SUN...E winds 5 kt. Waves less than 1 ft.

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

$$

ANZ530-042000-
Chesapeake Bay north of Pooles Island-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds around 5 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
Showers likely. A chance of tstms through the night.
.SUN...SW winds around 5 kt. Waves 1 ft.

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

$$

ANZ531-042000-
Chesapeake Bay from Pooles Island to Sandy Point-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt...diminishing
to 5 kt late. Waves 2 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
Showers likely. A chance of tstms through the night.
.SUN...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less.

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

$$

ANZ538-042000-
Patapsco River including Baltimore Harbor-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...SW winds 5 kt. Waves less than 1 ft. Showers likely. A chance
of tstms through the night.
.SUN...SW winds 5 kt. Waves flat.

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

$$

ANZ539-042000-
Chester River to Queenstown MD-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt until early
morning. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...SW winds 5 kt. Waves less than 1 ft. Showers likely. A chance
of tstms through the night.
.SUN...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ532-042000-
Chesapeake Bay from Sandy Point to North Beach-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early
morning. Waves 2 to 3 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
Showers likely. A chance of tstms through the night.
.SUN...NW winds 5 to 10 kt...becoming S. Waves 1 ft.

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

$$

ANZ540-042000-
Eastern Bay-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early
morning. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 5 kt. Waves less than 1 ft. Showers likely. A chance
of tstms through the night.
.SUN...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ533-042000-
Chesapeake Bay from North Beach to Drum Point-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt...becoming S 10 to 15 kt with gusts to
20 kt late. Waves 1 to 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early
morning. Waves 2 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
Showers likely. A chance of tstms through the night.
.SUN...NW winds 5 to 10 kt...becoming SE. Waves 1 ft.

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

$$

ANZ541-042000-
Choptank River to Cambridge MD and the Little Choptank River-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early
morning. Waves 1 to 2 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
Showers likely. A chance of tstms through the night.
.SUN...NW winds 5 to 10 kt...becoming S. Waves 1 ft.

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

$$

ANZ542-042000-
Patuxent River to Broomes Island MD-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
Showers likely. A chance of tstms through the night.
.SUN...SW winds around 5 kt. Waves 1 ft.

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

$$

ANZ534-042000-
Chesapeake Bay from Drum Point to Smith Point-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 10 to 15 kt. Waves 2 ft.
.WED...S winds 10 to 15 kt...becoming S 10 to 15 kt with gusts to
20 kt late. Waves 1 to 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early
morning. Waves 2 to 3 ft.
.THU...S winds 5 to 10 kt. Waves 1 to 2 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...S winds 5 to 10 kt...becoming W after midnight. Waves 1 ft.
Showers likely. A chance of tstms through the night.
.SUN...NW winds 5 to 10 kt...becoming SE. Waves 1 ft.

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

$$

ANZ543-042000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
137 AM EDT Wed Jun 4 2025

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

.OVERNIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft.
.WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...S winds 5 to 10 kt...becoming W after midnight. Waves 1 ft. A
chance of showers. A chance of tstms through the night.
.SUN...NW winds 5 to 10 kt...becoming SE. Waves 1 ft.

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

$$