532
FZUS51 KLWX 171735
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
134 PM EDT Tue Jun 17 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.

ANZ500-180800-
134 PM EDT Tue Jun 17 2025

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

A warm front will slowly lift north across the waters today into
Wednesday. A stronger cold front crosses the waters Thursday into
Friday. Daily shower and thunderstorm chances are expected to
continue during this time.High pressure returns to the waters this
weekend. Small Craft Advisories may be needed at times Wednesday
night through Friday.

$$

ANZ535-180800-
Tidal Potomac from Key Bridge to Indian Head-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms. Vsby 1 NM or less.
.TONIGHT...S winds around 5 kt. Waves 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.THU...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers
likely with a chance of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...W winds around 5 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-180800-
Tidal Potomac from Indian Head to Cobb Island-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms. Vsby 1 NM or less.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers
likely with a chance of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...W winds around 5 kt. Waves 1 ft or less.
.SAT...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ537-180800-
Tidal Potomac from Cobb Island to Smith Point-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers and tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. Showers likely with a
chance of tstms.
.FRI...W winds around 5 kt. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ530-180800-
Chesapeake Bay north of Pooles Island-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...SE winds 5 kt. Waves flat. A slight chance of
showers and tstms.
.TONIGHT...SE winds 5 kt. Waves flat. Showers likely with a chance
of tstms. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft or less. Showers likely with
a chance of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers likely
with a chance of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt. Waves 1 ft or less.

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

$$

ANZ531-180800-
Chesapeake Bay from Pooles Island to Sandy Point-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.WED...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a
chance of tstms.
.THU...SW winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely with a
chance of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ538-180800-
Patapsco River including Baltimore Harbor-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.WED...SW winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...W winds around 5 kt. Waves flat.
.SAT...SW winds around 5 kt. Waves 1 ft or less.

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

$$

ANZ539-180800-
Chester River to Queenstown MD-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...S winds 5 kt. Waves flat. A chance of showers and
tstms.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms. Vsby 1 NM or less.
.WED...SW winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a
chance of tstms.
.THU...SW winds 10 kt. Waves 1 ft. Showers likely with a chance of
tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...W winds around 5 kt. Waves 1 ft or less.
.SAT...SW winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ532-180800-
Chesapeake Bay from Sandy Point to North Beach-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...S winds 5 to 10 kt. Waves 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 10 kt. Waves 1 to 2 ft. Showers likely with a chance
of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ540-180800-
Eastern Bay-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...S winds 5 kt. Waves flat. A chance of showers and
tstms.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...SW winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ533-180800-
Chesapeake Bay from North Beach to Drum Point-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...S winds 5 to 10 kt. Waves 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 10 kt. Waves 1 to 2 ft. Showers likely with a chance
of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ541-180800-
Choptank River to Cambridge MD and the Little Choptank River-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 10 kt. Waves 1 ft. Showers likely with a chance of
tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...SW winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ542-180800-
Patuxent River to Broomes Island MD-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms. Vsby 1 NM or less.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...W winds around 5 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ534-180800-
Chesapeake Bay from Drum Point to Smith Point-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 ft. A chance of
showers with a slight chance of tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 10 kt. Waves 2 ft.
.WED NIGHT...SW winds 10 to 15 kt. Waves 2 ft. A chance of showers
and tstms.
.THU...SW winds 10 to 15 kt. Waves 2 ft. A chance of showers and
tstms.
.THU NIGHT...W winds 10 kt. Waves 1 to 2 ft. Showers likely with a
chance of tstms.
.FRI...NW winds 5 to 10 kt...becoming SW. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ543-180800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
135 PM EDT Tue Jun 17 2025

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A chance of
showers with a slight chance of tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers
and tstms.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.THU NIGHT...W winds 10 to 15 kt. Waves 1 ft. Showers likely with a
chance of tstms.
.FRI...NW winds 5 to 10 kt...becoming SW. Waves 1 ft or less.
.SAT...SW winds 5 to 10 kt. Waves 1 ft or less.

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

$$