770
FZUS51 KLWX 162334
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
734 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-
734 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-
734 PM EDT Mon Jun 16 2025

.TONIGHT...E winds around 5 kt. Waves 1 ft or less. Isolated
showers. 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. Vsby 1 NM or less.
.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...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.
.FRI...W winds around 5 kt. Waves 1 ft.
.SAT...SW 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-
734 PM EDT Mon Jun 16 2025

.TONIGHT...E winds 5 kt. Waves less than 1 ft. Isolated showers this
evening, then scattered showers after midnight. Patchy fog after
midnight. 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. Vsby 1 NM or less.
.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 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.
.FRI...W winds around 5 kt. Waves 1 ft.
.SAT...SW 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-
734 PM EDT Mon Jun 16 2025

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Isolated showers this
evening, then scattered showers after midnight. Patchy fog after
midnight with 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 with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers and tstms.
.THU NIGHT...W winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.FRI...W winds 5 kt. Waves less than 1 ft.
.SAT...SW winds 5 kt...becoming S. Waves 1 ft or less.

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

$$

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

.TONIGHT...E winds 5 kt. Waves less than 1 ft. Isolated showers.
Patchy fog after midnight. Vsby 1 to 3 NM.
.TUE...SE winds around 5 kt. Waves 1 ft. Scattered showers. Patchy
fog. Vsby 1 to 3 NM.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. 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...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers likely with a chance of tstms.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.FRI...W winds 5 kt. Waves less than 1 ft.
.SAT...SW 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-
734 PM EDT Mon Jun 16 2025

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Isolated 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 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...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers likely with a chance of tstms.
.THU NIGHT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 to
2 ft.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...W winds 5 kt...becoming S. Waves 1 ft or less.

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

$$

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

.TONIGHT...E winds 5 kt. Waves less than 1 ft. Isolated 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 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...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.
.FRI...W winds around 5 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.

$$

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

.TONIGHT...E winds 5 kt. Waves less than 1 ft. Isolated showers.
Patchy fog after midnight. 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...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 kt. Waves less than 1 ft.
.SAT...SW 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-
734 PM EDT Mon Jun 16 2025

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Isolated showers.
Patchy fog after midnight with 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. Vsby 1 NM or less.
.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...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 to 2 ft. A chance of
showers.
.FRI...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT...W winds 5 kt...becoming S. Waves 1 ft or less.

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

$$

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

.TONIGHT...E winds 5 kt. Waves less than 1 ft. Isolated showers.
Patchy fog after midnight with 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. Vsby 1 NM or less.
.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...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 kt. Waves less than 1 ft.

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

$$

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

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Isolated showers.
Patchy fog after midnight with 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. Vsby 1 NM or less.
.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 with gusts to 20 kt. Waves 1 to 2 ft.
Showers likely with a chance of tstms.
.THU NIGHT...W winds 10 to 15 kt. Waves 1 to 2 ft. A chance of
showers.
.FRI...W winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 kt...becoming S. Waves 1 ft or less.

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

$$

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

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Isolated showers
this evening, then scattered showers after midnight. Patchy fog
after midnight with 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. Vsby 1 NM or less.
.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 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 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 kt...becoming S. Waves 1 ft or less.

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

$$

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

.TONIGHT...E winds 5 kt. Waves less than 1 ft. Isolated showers this
evening, then scattered showers after midnight. Patchy fog after
midnight with 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...SW 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.
.FRI...W winds around 5 kt. Waves 1 ft.
.SAT...S winds 5 kt. Waves less than 1 ft.

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

$$

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

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Isolated showers this
evening, then scattered showers after midnight. Patchy fog after
midnight with 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 with gusts to 20 kt. Waves 2 ft. A
chance of showers and tstms.
.THU NIGHT...W winds 10 to 15 kt. Waves 2 ft. A chance of showers.
.FRI...W winds 5 to 10 kt...becoming SW. Waves 1 ft.
.SAT...W winds 5 kt...becoming S. 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-
734 PM EDT Mon Jun 16 2025

.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Isolated showers
this evening, then scattered showers after midnight. Patchy fog
after midnight with 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 with gusts to 20 kt. Waves 1 ft. A
chance of showers and tstms.
.THU NIGHT...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.
.SAT...W winds 5 kt...becoming S. Waves 1 ft.

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

$$