185
FZUS51 KLWX 210638
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
238 AM EDT Tue May 21 2024

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.

ANZ500-212000-
238 AM EDT Tue May 21 2024

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

High pressure will build over the waters today. A strong cold front
will approach the waters Wednesday into Thursday. This frontal
system will settle south of the area Friday before retreating back
toward the waters this weekend. Small Craft Advisories may be needed
 for portions of the waters Wednesday.

$$

ANZ535-212000-
Tidal Potomac from Key Bridge to Indian Head-
238 AM EDT Tue May 21 2024

.OVERNIGHT...SW winds around 5 kt. Waves 1 ft. Patchy fog. Vsby 1 to
3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds around 5 kt. Waves 1 ft.
.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 and
tstms.
.FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of
showers. A chance of tstms.
.SAT...SE winds around 5 kt. Waves 1 ft. Showers likely with a
chance of tstms.

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

$$

ANZ536-212000-
Tidal Potomac from Indian Head to Cobb Island-
238 AM EDT Tue May 21 2024

.OVERNIGHT...SW winds 5 kt. Waves less than 1 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 kt. Waves less than 1 ft.
.WED NIGHT...S winds 5 kt. Waves less than 1 ft.
.THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.THU NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers. A
chance of tstms.
.SAT...S winds around 5 kt. Waves 1 ft. Showers likely. A chance of
tstms. A chance of showers after midnight.

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

$$

ANZ537-212000-
Tidal Potomac from Cobb Island to Smith Point-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to
3 NM.
.TUE...SE winds 5 to 10 kt. Waves 1 ft or less. Patchy fog. Vsby
1 NM or less.
.TUE NIGHT...S winds 5 to 10 kt. Waves 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. A chance of showers.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers. A
chance of tstms.
.SAT...S winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
A chance of tstms in the morning. Showers likely. A chance of
showers after midnight.

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

$$

ANZ530-212000-
Chesapeake Bay north of Pooles Island-
238 AM EDT Tue May 21 2024

.OVERNIGHT...SE winds 5 kt. Waves flat. Patchy fog. Vsby 1 NM or
less.
.TUE...SW winds 5 to 10 kt. Waves 1 ft or less. Patchy fog. Vsby
1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves flat.
.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 or less. A chance of showers
and tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers and tstms.
.FRI...SW winds around 5 kt. Waves flat. A chance of showers and
tstms through the night.
.SAT...E winds around 5 kt. Waves flat. A chance of tstms in the
morning. A chance of showers.

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

$$

ANZ531-212000-
Chesapeake Bay from Pooles Island to Sandy Point-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...S winds 10 to 15 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI...SW winds 5 kt. Waves flat. A chance of showers. A chance of
tstms.
.SAT...E winds 5 kt. Waves less than 1 ft. A chance of showers.

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

$$

ANZ538-212000-
Patapsco River including Baltimore Harbor-
238 AM EDT Tue May 21 2024

.OVERNIGHT...SW winds 5 kt. Waves flat.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less. Patchy fog. Vsby 1 to
3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.WED...S winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.THU NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.FRI...SW winds around 5 kt. Waves flat. A chance of showers. A
chance of tstms.
.SAT...E winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.

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

$$

ANZ539-212000-
Chester River to Queenstown MD-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less. Patchy fog. Vsby 1 to
3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 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. A chance of showers and
tstms.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...SW winds 5 kt. Waves flat. A chance of showers and tstms
through the night.
.SAT...SE winds 5 kt. Waves less than 1 ft. A chance of tstms in the
morning. A chance of showers.

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

$$

ANZ532-212000-
Chesapeake Bay from Sandy Point to North Beach-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A
chance of tstms.
.SAT...SE winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft.
A chance of tstms in the morning. Showers likely. A chance of
showers after midnight.

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

$$

ANZ540-212000-
Eastern Bay-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less. Patchy fog. Vsby 1 to
3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 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. A chance of showers and
tstms.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...SW winds 5 kt. Waves flat. A chance of showers. A chance of
tstms through the night.
.SAT...SE winds 5 kt. Waves less than 1 ft. A chance of tstms in the
morning. A chance of showers.

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

$$

ANZ533-212000-
Chesapeake Bay from North Beach to Drum Point-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers. A
chance of tstms.
.SAT...SE winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of tstms in the morning. Showers likely. A chance of
showers after midnight.

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

$$

ANZ541-212000-
Choptank River to Cambridge MD and the Little Choptank River-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less. Patchy fog. Vsby 1 to
3 NM.
.TUE NIGHT...S winds 5 to 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 in the evening.
Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A
chance of tstms.
.SAT...S winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft.
A chance of tstms in the morning. Showers likely. A chance of
showers after midnight.

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

$$

ANZ542-212000-
Patuxent River to Broomes Island MD-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds around 5 kt. Waves 1 ft. Patchy fog. Vsby 1 to
3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 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. A chance of showers.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers. A
chance of tstms.
.SAT...S winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
A chance of tstms in the morning. Showers likely. A chance of
showers after midnight.

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

$$

ANZ534-212000-
Chesapeake Bay from Drum Point to Smith Point-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft. Patchy fog. Vsby
1 to 3 NM.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 NM or
less.
.TUE NIGHT...S winds 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft. Patchy fog.
.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 to 2 ft. A chance of showers.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...SW winds 5 kt...becoming S. Waves 1 ft. A chance of showers.
A chance of tstms through the night.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of tstms in the
morning. A chance of showers.

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

$$

ANZ543-212000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
238 AM EDT Tue May 21 2024

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft. Patchy fog. Vsby
1 NM or less.
.TUE...S winds 5 to 10 kt. Waves 1 ft or less. Patchy fog. Vsby 1 NM
or less.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to
3 NM.
.WED...S winds 10 to 15 kt. Waves 1 ft. Patchy fog.
.WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.FRI...W winds 5 kt...becoming S. Waves 1 ft. A chance of showers
and tstms through the night.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of tstms in the
morning. A chance of showers.

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

$$