568
FZUS51 KLWX 070550
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
150 AM EDT Wed May 7 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.

ANZ500-072000-
150 AM EDT Wed May 7 2025

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

A cold front will slowly pull offshore tonight. High pressure
briefly follows for Wednesday. A potent cold front is expected to
move southeast from the eastern Great Lakes to and across the Mid-
Atlantic late in the week. Small Craft Advisories may be needed in
northerly flow Thursday night into Friday.

$$

ANZ535-072000-
Tidal Potomac from Key Bridge to Indian Head-
150 AM EDT Wed May 7 2025

.OVERNIGHT...Light winds. Waves 1 ft or less. Scattered showers.
.WED...W winds around 5 kt. Waves 1 ft.
.WED NIGHT...N winds around 5 kt. Waves 1 ft or less.
.THU...E winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.THU NIGHT...NE winds 5 kt. Waves less than 1 ft. Showers likely
with a chance of tstms.
.FRI...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 kt. Waves less than 1 ft.
.SAT...NW winds around 5 kt. Waves 1 ft or less.
.SUN...E winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-072000-
Tidal Potomac from Indian Head to Cobb Island-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves less than 1 ft. Isolated showers.
.WED...NW winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NE winds around 5 kt. Waves 1 ft or less.
.THU...E winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers likely with a
chance of tstms.
.FRI...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 kt. Waves less than 1 ft.
.SAT...NW winds around 5 kt. Waves 1 ft.
.SUN...E winds around 5 kt. Waves 1 ft.

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

$$

ANZ537-072000-
Tidal Potomac from Cobb Island to Smith Point-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves flat.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...SE winds around 5 kt. Waves flat.
.THU...E winds around 5 kt. Waves 1 ft or less. A chance of showers.
.THU NIGHT...SE winds 5 kt...becoming NE after midnight. Waves 1 ft.
Showers likely.
.FRI...NW winds 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SAT...N winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft
or less.
.SUN...E winds 5 kt. Waves less than 1 ft.

$$

ANZ530-072000-
Chesapeake Bay north of Pooles Island-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves less than 1 ft. Scattered showers.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...NW winds around 5 kt. Waves 1 ft or less.
.THU...W winds around 5 kt. Waves 1 ft or less. Showers likely.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. Showers likely with a
chance of tstms.
.FRI...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds around 5 kt. Waves 1 ft.

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

$$

ANZ531-072000-
Chesapeake Bay from Pooles Island to Sandy Point-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves flat. Scattered showers.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...W winds around 5 kt. Waves 1 ft or less.
.THU...E winds around 5 kt. Waves flat. Showers likely.
.THU NIGHT...SW winds 5 to 10 kt...becoming N after midnight. Waves
1 ft. Showers likely with a chance of tstms.
.FRI...NW winds 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...E winds 5 kt. Waves less than 1 ft.

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

$$

ANZ538-072000-
Patapsco River including Baltimore Harbor-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds around 5 kt. Waves flat. Scattered showers.
.WED...W winds 5 kt. Waves flat.
.WED NIGHT...NW winds around 5 kt. Waves flat.
.THU...E winds around 5 kt. Waves flat. Showers likely with a chance
of tstms.
.THU NIGHT...SE winds 5 kt...becoming N after midnight. Waves 1 ft
or less. Showers likely with a chance of tstms.
.FRI...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 kt. Waves less than 1 ft.
.SAT...NW winds around 5 kt. Waves 1 ft or less.
.SUN...E winds 5 kt. Waves flat.

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

$$

ANZ539-072000-
Chester River to Queenstown MD-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves flat. Scattered showers.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...W winds around 5 kt. Waves flat.
.THU...W winds around 5 kt. Waves flat. Showers likely.
.THU NIGHT...W winds 5 kt...becoming N after midnight. Waves 1 ft or
less. Showers likely with a chance of tstms.
.FRI...NW winds 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...NW winds 5 kt. Waves flat.

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

$$

ANZ532-072000-
Chesapeake Bay from Sandy Point to North Beach-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves less than 1 ft. Isolated showers.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...W winds around 5 kt. Waves flat.
.THU...E winds around 5 kt. Waves 1 ft or less. Showers likely.
.THU NIGHT...SE winds 5 to 10 kt...becoming N after midnight. Waves
1 ft. Showers likely with a chance of tstms.
.FRI...NW winds 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...E winds 5 kt. Waves less than 1 ft.

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

$$

ANZ540-072000-
Eastern Bay-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves flat. Isolated showers.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...W winds around 5 kt. Waves flat.
.THU...W winds around 5 kt. Waves flat. Showers likely.
.THU NIGHT...S winds 5 kt...becoming N after midnight. Waves 1 ft or
less. Showers likely with a chance of tstms.
.FRI...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...NE winds 5 kt. Waves flat.

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

$$

ANZ533-072000-
Chesapeake Bay from North Beach to Drum Point-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves less than 1 ft.
.WED...NW winds 5 kt. Waves less than 1 ft.
.WED NIGHT...SW winds around 5 kt. Waves flat.
.THU...E winds around 5 kt. Waves 1 ft or less. Showers likely.
.THU NIGHT...SE winds 5 to 10 kt...becoming NE after midnight. Waves
1 ft. Showers likely with a chance of tstms.
.FRI...NW winds 10 kt. Waves 2 ft. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...NE winds 5 kt. Waves less than 1 ft.

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

$$

ANZ541-072000-
Choptank River to Cambridge MD and the Little Choptank River-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves flat.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...SW winds around 5 kt. Waves flat.
.THU...W winds around 5 kt. Waves flat. Showers likely.
.THU NIGHT...S winds 5 kt...becoming NE after midnight. Waves 1 ft.
Showers likely with a chance of tstms.
.FRI...NW winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...NE winds 5 kt. Waves less than 1 ft.

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

$$

ANZ542-072000-
Patuxent River to Broomes Island MD-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 kt. Waves less than 1 ft.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.THU...E winds around 5 kt. Waves 1 ft. Showers likely.
.THU NIGHT...SE winds 5 kt...becoming NE after midnight. Waves 1 ft.
Showers likely with a chance of tstms.
.FRI...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 kt. Waves less than 1 ft.
.SUN...E winds 5 kt. Waves less than 1 ft.

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

$$

ANZ534-072000-
Chesapeake Bay from Drum Point to Smith Point-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 to 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt...becoming N late. Waves 1 ft.
.WED NIGHT...S winds around 5 kt. Waves flat.
.THU...E winds around 5 kt. Waves 1 ft or less. A chance of showers.
.THU NIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers.
.FRI...N winds 10 to 15 kt. Waves 2 ft. A chance of showers.
.FRI NIGHT...N winds 10 kt. Waves 1 to 2 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 kt...becoming SE. Waves 1 ft.

$$

ANZ543-072000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
150 AM EDT Wed May 7 2025

.OVERNIGHT...W winds 5 to 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds around 5 kt. Waves flat.
.THU...SE winds around 5 kt. Waves 1 ft or less. A chance of
showers.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.FRI...NW winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 kt...becoming SE. Waves 1 ft.

$$