664
FZUS51 KLWX 162034
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
434 PM EDT Mon Jun 16 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.

ANZ500-170800-
434 PM EDT Mon Jun 16 2025

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

A stalled frontal boundary remains just south of the waters through
tonight. The front lifts back to the north of the waters as a warm
front Tuesday into Wednesday. A stronger cold front crosses the
waters late in the week. Daily shower and thunderstorm chances are
expected to continue during this time. Small Craft Advisories may be
 needed at times Wednesday night through Friday.

$$

ANZ535-170800-
Tidal Potomac from Key Bridge to Indian Head-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
Scattered showers.
.TONIGHT...E winds around 5 kt. Waves 1 ft. Patchy fog. Vsby 1 to
3 NM.
.TUE...SE winds around 5 kt. Waves 1 ft. Scattered showers. Patchy
fog. Vsby 1 NM or less.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms through the night.
.FRI...W winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-170800-
Tidal Potomac from Indian Head to Cobb Island-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
Scattered showers.
.TONIGHT...E winds around 5 kt. Waves 1 ft. Scattered showers.
Patchy fog. Vsby 1 to 3 NM.
.TUE...SE winds around 5 kt. Waves 1 ft. Scattered showers and
tstms. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...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.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms through the night.
.FRI...W winds around 5 kt. Waves 1 ft.

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

$$

ANZ537-170800-
Tidal Potomac from Cobb Island to Smith Point-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...NE winds 10 kt. Waves 1 ft. Isolated
showers.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby
1 to 3 NM.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms.
Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 10 to 15 kt...becoming W 5 to 10 kt after midnight.
Waves 1 to 2 ft. A chance of showers and tstms through the night. A
chance of showers after midnight.
.FRI...W winds 5 kt. Waves less than 1 ft.

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

$$

ANZ530-170800-
Chesapeake Bay north of Pooles Island-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft.
Scattered showers.
.TONIGHT...E winds 5 kt. Waves less than 1 ft. Patchy fog. Vsby 1 to
3 NM.
.TUE...SE winds around 5 kt. Waves flat. Scattered showers. Patchy
fog. Vsby 1 to 3 NM.
.TUE NIGHT...SE winds 5 kt. Waves flat. Showers likely with a chance
of tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms through the night.
.FRI...W winds 5 kt. Waves less than 1 ft.

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

$$

ANZ531-170800-
Chesapeake Bay from Pooles Island to Sandy Point-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered
showers.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to
3 NM.
.TUE...SE winds 5 kt. Waves less than 1 ft. Scattered showers.
Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...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. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely with a
chance of tstms through the night.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ538-170800-
Patapsco River including Baltimore Harbor-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft.
Scattered showers.
.TONIGHT...E winds around 5 kt. Waves 1 ft or less. Patchy fog. Vsby
1 to 3 NM.
.TUE...SE winds 5 kt. Waves less than 1 ft. Scattered showers.
Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds around 5 kt. Waves 1 ft or less. A chance of
showers and tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms through the night.
.FRI...W winds around 5 kt. Waves 1 ft or less.

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

$$

ANZ539-170800-
Chester River to Queenstown MD-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft.
Scattered showers.
.TONIGHT...E winds around 5 kt. Waves 1 ft or less. Patchy fog. Vsby
1 to 3 NM.
.TUE...SE winds 5 kt. Waves flat. Scattered showers. Patchy fog.
Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.WED...SW winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely in the
afternoon. A chance of tstms through the night. A chance of showers
through the night.
.FRI...W winds 5 kt. Waves less than 1 ft.

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

$$

ANZ532-170800-
Chesapeake Bay from Sandy Point to North Beach-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...NE winds 10 kt. Waves 1 ft. Scattered
showers.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to
3 NM.
.TUE...SE winds 5 kt. Waves less than 1 ft. Scattered showers.
Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely with a
chance of tstms through the night. A chance of showers after
midnight.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ540-170800-
Eastern Bay-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft.
Scattered showers.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Patchy fog. Vsby
1 to 3 NM.
.TUE...SE winds 5 kt. Waves flat. Scattered showers. Patchy fog.
Vsby 1 to 3 NM.
.TUE NIGHT...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. Showers likely with a chance
of tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms through the night. A chance of showers after midnight.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ533-170800-
Chesapeake Bay from North Beach to Drum Point-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...NE winds 10 kt. Waves 1 ft. Scattered
showers.
.TONIGHT...E 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. Scattered showers. Patchy
fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 10 to 15 kt...becoming NW 5 to 10 kt after midnight.
Waves 1 to 2 ft. Showers likely in the afternoon. A chance of tstms
through the night. A chance of showers through the night.
.FRI...W winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ541-170800-
Choptank River to Cambridge MD and the Little Choptank River-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...NE winds 10 kt. Waves 1 ft. Scattered
showers.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Patchy fog. Vsby
1 to 3 NM.
.TUE...SE winds 5 kt. Waves less than 1 ft. Scattered showers.
Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely in the
afternoon. A chance of tstms through the night. A chance of showers
through the night.
.FRI...W winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ542-170800-
Patuxent River to Broomes Island MD-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
Scattered showers.
.TONIGHT...E winds around 5 kt. Waves 1 ft. Scattered showers.
Patchy fog. Vsby 1 to 3 NM.
.TUE...SE winds around 5 kt. Waves 1 ft. Scattered showers and
tstms. Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...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.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms
through the night. A chance of showers after midnight.
.FRI...W winds around 5 kt. Waves 1 ft.

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

$$

ANZ534-170800-
Chesapeake Bay from Drum Point to Smith Point-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...NE winds 10 kt. Waves 1 ft. Isolated
showers.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Patchy
fog. Vsby 1 to 3 NM.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers. Patchy
fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 10 kt. Waves 1 to 2 ft. A chance of showers.
.WED NIGHT...SW winds 10 to 15 kt. Waves 2 ft.
.THU...SW winds 10 to 15 kt...becoming W after midnight. Waves 2 ft.
A chance of showers and tstms through the night. A chance of showers
after midnight.
.FRI...W winds 5 to 10 kt...becoming SW. Waves 1 ft.

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

$$

ANZ543-170800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
434 PM EDT Mon Jun 16 2025

.REST OF THIS AFTERNOON...NE winds 10 kt. Waves 1 ft. Isolated
showers.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Patchy
fog. Vsby 1 to 3 NM.
.TUE...SE winds 5 kt. Waves less than 1 ft. Scattered showers.
Patchy fog. Vsby 1 to 3 NM.
.TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...SW winds 10 kt. Waves 1 ft. A chance of showers.
.WED NIGHT...SW winds 10 to 15 kt. Waves 1 ft.
.THU...SW winds 10 to 15 kt...becoming W after midnight. Waves 1 ft.
A chance of showers and tstms.
.FRI...W winds 5 to 10 kt...becoming SW. Waves 1 ft.

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

$$