018
FZUS51 KLWX 020534
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
134 AM EDT Wed Jul 2 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.

ANZ500-022000-
134 AM EDT Wed Jul 2 2025

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

A cold front will approach the waters today, and eventually  move
through tonight. High pressure will build in for the middle to  end
of the week. Special Marine Warnings are possible with
thunderstorms during the late afternoon and evening hours today.

$$

ANZ535-022000-
Tidal Potomac from Key Bridge to Indian Head-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...SW winds 5 kt. Waves less than 1 ft. Numerous showers.
Patchy fog. Vsby 1 to 3 NM.
.WED...NW winds around 5 kt. Waves 1 ft. Showers with a chance of
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft.
.THU...NW winds around 5 kt. Waves 1 ft.
.THU NIGHT...NW winds around 5 kt. Waves 1 ft.
.FRI...N winds around 5 kt. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.SAT...S winds around 5 kt. Waves 1 ft or less.
.SUN...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-022000-
Tidal Potomac from Indian Head to Cobb Island-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...SW winds 5 kt. Waves less than 1 ft. Showers. Patchy
fog. Vsby 1 NM or less.
.WED...N winds around 5 kt. Waves 1 ft. Showers with a chance of
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft.
.THU...NW winds around 5 kt. Waves 1 ft.
.THU NIGHT...NW winds around 5 kt. Waves 1 ft.
.FRI...N winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.SAT...S winds around 5 kt. Waves 1 ft or less.
.SUN...S winds 5 kt. Waves less than 1 ft.

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

$$

ANZ537-022000-
Tidal Potomac from Cobb Island to Smith Point-
134 AM EDT Wed Jul 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
with isolated tstms. Patchy fog. Vsby 1 NM or less.
.WED...NW winds 5 to 10 kt...becoming NE late. Waves 1 ft. Showers
with a chance of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds around 5 kt. Waves flat.
.THU...NW winds 5 kt. Waves less than 1 ft.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.SAT...NW winds around 5 kt...becoming SE. Waves 1 ft or less.
.SUN...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ530-022000-
Chesapeake Bay north of Pooles Island-
134 AM EDT Wed Jul 2 2025

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

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

$$

ANZ531-022000-
Chesapeake Bay from Pooles Island to Sandy Point-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...W winds 5 kt. Waves less than 1 ft. Numerous showers.
Vsby 1 to 3 NM.
.WED...W winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 to 3 NM.
.WED NIGHT...SW winds around 5 kt. Waves flat.
.THU...W winds 5 kt. Waves less than 1 ft.
.THU NIGHT...NW winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NE winds 5 kt. Waves less than 1 ft.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ538-022000-
Patapsco River including Baltimore Harbor-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...W winds 5 kt. Waves flat. Numerous showers.
.WED...NW winds 5 kt. Waves flat. Showers likely with a chance of
tstms.
.WED NIGHT...SW winds around 5 kt. Waves flat.
.THU...NW winds 5 kt. Waves flat.
.THU NIGHT...NW winds 5 kt. Waves flat.
.FRI...N winds 5 kt. Waves flat.
.FRI NIGHT...NE winds around 5 kt. Waves flat.
.SAT...SE winds around 5 kt. Waves flat.
.SUN...S winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ539-022000-
Chester River to Queenstown MD-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...W winds 5 kt. Waves less than 1 ft. Showers. Vsby 1 to
3 NM.
.WED...W winds around 5 kt. Waves 1 ft or less. Showers with a
chance of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds around 5 kt. Waves flat.
.THU...W winds 5 kt. Waves less than 1 ft.
.THU NIGHT...NW winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...E winds around 5 kt. Waves flat.
.SAT...S winds around 5 kt. Waves 1 ft or less.
.SUN...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ532-022000-
Chesapeake Bay from Sandy Point to North Beach-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...W winds 5 kt. Waves less than 1 ft. Showers. Vsby 1 to
3 NM.
.WED...N winds 5 kt. Waves less than 1 ft. Showers with a chance of
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds around 5 kt. Waves flat.
.THU...W winds 5 kt. Waves less than 1 ft.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft
or less.
.SUN...S winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ540-022000-
Eastern Bay-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...SW winds 5 kt. Waves less than 1 ft. Showers. Vsby 1 to
3 NM.
.WED...NW winds around 5 kt. Waves 1 ft or less. Showers with a
chance of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds around 5 kt. Waves flat.
.THU...W winds 5 kt. Waves flat.
.THU NIGHT...NW winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves flat.
.SAT...S winds around 5 kt. Waves 1 ft or less.
.SUN...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ533-022000-
Chesapeake Bay from North Beach to Drum Point-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...SW winds 10 kt. Waves 1 ft. Showers. Patchy fog. Vsby
1 NM or less.
.WED...NW winds 5 to 10 kt...becoming E late. Waves 1 ft. Showers
with a chance of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.THU...NW winds 5 kt. Waves less than 1 ft.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.SAT...E winds 5 kt...becoming S. Waves 1 ft or less.
.SUN...S winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ541-022000-
Choptank River to Cambridge MD and the Little Choptank River-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...SW winds 10 kt. Waves 1 ft. Showers. Patchy fog. Vsby
1 to 3 NM.
.WED...N winds around 5 kt. Waves 1 ft. Showers with a chance of
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.THU...NW winds 5 kt. Waves less than 1 ft.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ542-022000-
Patuxent River to Broomes Island MD-
134 AM EDT Wed Jul 2 2025

.OVERNIGHT...SW winds 5 kt. Waves less than 1 ft. Showers. Patchy
fog. Vsby 1 NM or less.
.WED...NW winds 5 kt. Waves less than 1 ft. Showers with a chance of
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft.
.THU...NW winds 5 kt. Waves less than 1 ft.
.THU NIGHT...NW winds around 5 kt. Waves 1 ft.
.FRI...N winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft.
.SAT...SE winds around 5 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ534-022000-
Chesapeake Bay from Drum Point to Smith Point-
134 AM EDT Wed Jul 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...SW winds 10 kt with gusts to 20 kt. Waves 2 ft. Showers
with isolated tstms. Vsby 1 NM or less.
.WED...NW winds 5 to 10 kt with gusts to 20 kt... becoming N late.
Waves 1 to 2 ft. Showers with tstms likely. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.THU...W winds 5 kt. Waves less than 1 ft.
.THU NIGHT...SW winds 5 kt...becoming NW after midnight. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 kt...becoming S. Waves 1 ft or less.
.SUN...S winds 10 to 15 kt. Waves 1 to 2 ft.

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

$$

ANZ543-022000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
134 AM EDT Wed Jul 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...SW winds 10 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers with isolated tstms. Vsby 1 NM or less.
.WED...W winds 5 to 10 kt with gusts to 20 kt... becoming N late.
Waves 1 to 2 ft. Showers with tstms likely. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft or less.
.SAT...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft
or less.
.SUN...S winds 10 to 15 kt. Waves 1 ft.

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

$$