750
FZUS51 KLWX 150235
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1035 PM EDT Wed May 14 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.

ANZ500-150800-
1035 PM EDT Wed May 14 2025

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

Low pressure will approach from the southwest, eventually moving
east of the area by late Thursday. Another low pressure system will
quickly approach the area Friday into Saturday.

$$

ANZ535-150800-
Tidal Potomac from Key Bridge to Indian Head-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...E winds around 5 kt. Waves 1 ft or less. Showers
with isolated tstms late this evening, then scattered showers.
Patchy fog. Vsby 1 NM or less...increasing to 1 to 3 NM.
.THU...SW winds around 5 kt. Waves 1 ft or less. A chance of
showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...Light winds. Waves flat. A chance of showers. Vsby 1 to
3 NM.
.FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ536-150800-
Tidal Potomac from Indian Head to Cobb Island-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Waves 1 ft or less.
Numerous showers with isolated tstms late this evening, then
scattered showers. Patchy fog. Vsby 1 NM or less...increasing to
1 to 3 NM.
.THU...S winds around 5 kt. Waves 1 ft or less. A chance of showers.
Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...S winds around 5 kt. Waves 1 ft or less. A chance of
showers. Vsby 1 NM or less.
.FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ537-150800-
Tidal Potomac from Cobb Island to Smith Point-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...S winds 5 kt. Waves flat. Numerous showers with
isolated tstms late this evening, then scattered showers. Patchy fog
with vsby 1 to 3 NM.
.THU...S winds around 5 kt. Waves flat. A chance of showers. Patchy
fog. Vsby 1 to 3 NM.
.THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers.
Vsby 1 to 3 NM.
.FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of
showers.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ530-150800-
Chesapeake Bay north of Pooles Island-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...E winds 5 kt. Waves less than 1 ft. Scattered
showers with isolated tstms late this evening, then scattered
showers. Patchy fog late this evening. Patchy fog. Vsby 1 to 3 NM...
decreasing to 1 NM or less.
.THU...S winds around 5 kt. Waves flat. Showers likely with a chance
of tstms. Patchy fog. Vsby 1 NM or less.
.THU NIGHT...Light winds. Waves flat. A chance of showers. Patchy
fog. Vsby 1 NM or less.
.FRI...S winds around 5 kt. Waves 1 ft or less. Showers likely with
a chance of tstms.
.FRI NIGHT...SW winds around 5 kt. Waves flat. A chance of showers
and tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.
.MON...NW winds 10 to 15 kt. Waves 1 ft.

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

$$

ANZ531-150800-
Chesapeake Bay from Pooles Island to Sandy Point-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...E winds 5 kt. Waves less than 1 ft. Scattered
showers with isolated tstms late this evening, then numerous
showers. Patchy fog. Vsby 1 to 3 NM.
.THU...S winds around 5 kt. Waves flat. Showers likely. Patchy fog.
Vsby 1 to 3 NM.
.THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers.
Vsby 1 to 3 NM.
.FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...NW winds 10 to 15 kt. Waves 1 to 2 ft.

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

$$

ANZ538-150800-
Patapsco River including Baltimore Harbor-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...E winds around 5 kt. Waves flat. Isolated tstms
late this evening. Numerous showers. Patchy fog. Vsby 1 to 3 NM.
.THU...SE winds around 5 kt. Waves flat. Showers likely. Patchy fog.
Vsby 1 to 3 NM.
.THU NIGHT...Light winds. Waves flat. A chance of showers.
.FRI...SW winds around 5 kt. Waves flat. A chance of showers and
tstms.
.FRI NIGHT...SW winds around 5 kt. Waves flat. A chance of showers
and tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ539-150800-
Chester River to Queenstown MD-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...E winds 5 kt. Waves flat. Scattered showers with
isolated tstms late this evening, then numerous showers. Patchy fog.
Vsby 1 NM or less...increasing to 1 to 3 NM.
.THU...S winds around 5 kt. Waves flat. Showers likely. Patchy fog.
Vsby 1 to 3 NM.
.THU NIGHT...Light winds. Waves flat. A chance of showers.
.FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...W winds 10 kt. Waves 1 ft.
.SUN...NW winds 10 kt. Waves 1 to 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ532-150800-
Chesapeake Bay from Sandy Point to North Beach-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered
showers with isolated tstms late this evening, then numerous
showers. Patchy fog. Vsby 1 to 3 NM.
.THU...S winds 5 kt. Waves flat. Showers likely. Patchy fog. Vsby
1 to 3 NM.
.THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers.
.FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.SAT NIGHT...W winds 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...NW winds 10 to 15 kt. Waves 1 to 2 ft.

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

$$

ANZ540-150800-
Eastern Bay-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...SE winds 5 kt. Waves flat. Scattered showers with
isolated tstms late this evening, then numerous showers. Patchy fog.
Vsby 1 NM or less...increasing to 1 to 3 NM.
.THU...S winds around 5 kt. Waves flat. Showers likely. Patchy fog.
Vsby 1 to 3 NM.
.THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers.
Vsby 1 to 3 NM.
.FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 kt. Waves 1 ft.
.MON...NW winds 10 to 15 kt. Waves 1 ft.

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

$$

ANZ533-150800-
Chesapeake Bay from North Beach to Drum Point-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered
showers with isolated tstms late this evening, then numerous
showers. Patchy fog. Vsby 1 to 3 NM.
.THU...S winds around 5 kt. Waves 1 ft or less. A chance of showers.
Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers.
Vsby 1 to 3 NM.
.FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of
showers.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.SAT NIGHT...W winds 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...NW winds 10 to 15 kt. Waves 1 to 2 ft.

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

$$

ANZ541-150800-
Choptank River to Cambridge MD and the Little Choptank River-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered
showers with isolated tstms late this evening, then numerous
showers. Patchy fog. Vsby 1 to 3 NM.
.THU...S winds 5 kt. Waves flat. A chance of showers. Patchy fog.
Vsby 1 to 3 NM.
.THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers.
Patchy fog. Vsby 1 NM or less.
.FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of
showers.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.SAT NIGHT...W winds 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...NW winds 10 to 15 kt. Waves 1 to 2 ft.

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

$$

ANZ542-150800-
Patuxent River to Broomes Island MD-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...SE winds around 5 kt. Waves 1 ft or less.
Scattered showers with isolated tstms late this evening, then
scattered showers. Patchy fog with vsby 1 to 3 NM.
.THU...S winds around 5 kt. Waves 1 ft. A chance of showers. Patchy
fog. Vsby 1 to 3 NM.
.THU NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers.
.FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ534-150800-
Chesapeake Bay from Drum Point to Smith Point-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft. Numerous
showers with isolated tstms late this evening, then numerous
showers. Patchy fog with vsby 1 to 3 NM.
.THU...S winds 5 kt. Waves less than 1 ft. A chance of showers.
Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers. Vsby 1 to 3 NM.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.SAT NIGHT...W winds 10 kt. Waves 2 ft.
.SUN...NW winds 10 to 15 kt. Waves 2 ft.
.MON...NW winds 10 to 15 kt. Waves 2 ft.

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

$$

ANZ543-150800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1035 PM EDT Wed May 14 2025

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers
with isolated tstms late this evening, then numerous showers. Patchy
fog. Vsby 1 to 3 NM.
.THU...S winds 5 kt. Waves less than 1 ft. A chance of showers.
Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...S winds 5 kt. Waves flat. A chance of showers. Patchy
fog. Vsby 1 NM or less.
.FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.SAT NIGHT...W winds 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.
.MON...NW winds 10 to 15 kt. Waves 1 to 2 ft.

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

$$