Coastal Waters Forecast
Issued by NWS Sterling, VA

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965
FZUS51 KLWX 181436
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1035 AM EDT Thu Jul 18 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.

ANZ500-182000-
1035 AM EDT Thu Jul 18 2024

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

A cold front will continue to push south of the area today before
stalling Friday as high pressure builds to the north. The front will
 gradually lift back to the north this weekend into early next week.
 Small Craft Advisories are in effect for a bulk of the Chesapeake
Bay and lower tidal Potomac for northerly channeling late tonight
into Friday morning.

$$

ANZ535-182000-
Tidal Potomac from Key Bridge to Indian Head-
1035 AM EDT Thu Jul 18 2024

.REST OF TODAY...N winds 5 to 10 kt. Waves 1 ft. Isolated showers
late this morning, then isolated showers and tstms this afternoon.
.TONIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.FRI NIGHT...S winds around 5 kt. Waves 1 ft.
.SAT...SE winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...SW winds around 5 kt. Waves 1 ft or less. A chance of
showers.
.SUN...S winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.
.MON...S winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.

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

$$

ANZ536-182000-
Tidal Potomac from Indian Head to Cobb Island-
1035 AM EDT Thu Jul 18 2024

.REST OF TODAY...N winds 5 to 10 kt. Waves 1 ft. Isolated showers
late this morning, then scattered showers with isolated tstms this
afternoon.
.TONIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft.
.SAT...SE winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT NIGHT...N winds around 5 kt. Waves 1 ft. A chance of showers.
.SUN...S winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.
.MON...S winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ537-182000-
Tidal Potomac from Cobb Island to Smith Point-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...NW winds 10 kt. Waves 1 ft. Scattered showers.
Isolated tstms late this morning, then scattered tstms this
afternoon.
.TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt late. Waves 1 ft.
Scattered showers and tstms.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... becoming E 5 kt
late. Waves 1 to 2 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SUN...S winds around 5 kt. Waves 1 ft or less. A chance of showers.
A chance of tstms.
.MON...S winds around 5 kt. Waves 1 ft or less. A chance of tstms.

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

$$

ANZ530-182000-
Chesapeake Bay north of Pooles Island-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...N winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt with gusts to 20 kt... becoming NW late.
Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves flat.
.SAT...S winds around 5 kt. Waves flat.
.SAT NIGHT...SW winds around 5 kt. Waves flat. A chance of showers.
.SUN...SW winds around 5 kt. Waves flat. A chance of showers after
midnight.
.MON...SE winds around 5 kt. Waves flat. A chance of showers. A
chance of tstms.

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

$$

ANZ531-182000-
Chesapeake Bay from Pooles Island to Sandy Point-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...N winds 5 to 10 kt. Waves 1 ft. Isolated showers
late this morning, then isolated showers and tstms this afternoon.
.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... diminishing to
around 5 kt in the afternoon. Waves 1 to 2 ft.
.FRI NIGHT...SE winds 5 kt. Waves flat.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...SE winds 5 to 10 kt...becoming NW after midnight. Waves
1 ft. A chance of showers.
.SUN...S winds around 5 kt. Waves 1 ft or less. A chance of showers.
A chance of tstms through the night.
.MON...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.

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

$$

ANZ538-182000-
Patapsco River including Baltimore Harbor-
1035 AM EDT Thu Jul 18 2024

.REST OF TODAY...N winds 5 to 10 kt. Waves 1 ft. Isolated showers
this afternoon.
.TONIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.FRI...NE winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.FRI NIGHT...S winds around 5 kt. Waves flat.
.SAT...S winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...SW winds around 5 kt. Waves 1 ft or less. A chance of
showers.
.SUN...S winds around 5 kt. Waves flat. A chance of showers and
tstms.
.MON...S winds around 5 kt. Waves flat. A chance of showers and
tstms.

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

$$

ANZ539-182000-
Chester River to Queenstown MD-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...N winds 5 to 10 kt. Waves 1 ft. Isolated showers
late this morning, then isolated showers and tstms this afternoon.
.TONIGHT...N winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Waves 1 ft.
.FRI...N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves
1 ft.
.FRI NIGHT...S winds around 5 kt. Waves flat.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SUN...SW winds around 5 kt. Waves flat. A chance of showers and
tstms.
.MON...S winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.

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

$$

ANZ532-182000-
Chesapeake Bay from Sandy Point to North Beach-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...N winds 5 to 10 kt. Waves 1 ft. Isolated showers
late this morning, then scattered showers with isolated tstms this
afternoon.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt late. Waves 1 to 2 ft.
.FRI NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft or less. A chance of showers.
.SAT NIGHT...SE winds 5 to 10 kt...becoming NW after midnight. Waves
1 ft. A chance of showers.
.SUN...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.

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

$$

ANZ540-182000-
Eastern Bay-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...N winds 5 to 10 kt. Waves 1 ft. Isolated showers
late this morning, then scattered showers with isolated tstms this
afternoon.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... becoming N 5 kt
late. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves flat.
.SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers.
.SAT NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SUN...SW winds around 5 kt. Waves flat. A chance of showers and
tstms.
.MON...S winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.

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

$$

ANZ533-182000-
Chesapeake Bay from North Beach to Drum Point-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...N winds 10 kt. Waves 1 ft. Scattered showers.
Isolated tstms this afternoon.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Scattered showers.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... becoming N 5 kt
late. Waves 1 to 2 ft.
.FRI NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...SE winds 5 to 10 kt...becoming NW after midnight. Waves
1 ft. A chance of showers.
.SUN...S winds 5 kt. Waves less than 1 ft. A chance of showers. A
chance of tstms.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.

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

$$

ANZ541-182000-
Choptank River to Cambridge MD and the Little Choptank River-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...N winds 5 to 10 kt. Waves 1 ft. Scattered showers.
Isolated tstms this afternoon.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... becoming N 5 kt
late. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves flat.
.SAT...SE winds 5 kt. Waves less than 1 ft. A chance of showers.
.SAT NIGHT...NE winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SUN...W winds around 5 kt. Waves flat. A chance of showers. A
chance of tstms.
.MON...S winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms.

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

$$

ANZ542-182000-
Patuxent River to Broomes Island MD-
1035 AM EDT Thu Jul 18 2024

.REST OF TODAY...NW winds 5 to 10 kt...becoming N late. Waves 1 ft.
Scattered showers with isolated tstms.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SUN...S winds around 5 kt. Waves 1 ft. A chance of showers. A
chance of tstms.
.MON...S winds around 5 kt. Waves 1 ft. A chance of tstms.

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

$$

ANZ534-182000-
Chesapeake Bay from Drum Point to Smith Point-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...NW winds 10 kt. Waves 1 ft. Scattered showers with
isolated tstms late this morning, then numerous showers and
scattered tstms this afternoon with vsby 1 NM or less.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Scattered showers.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt until late afternoon.
Waves 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...S winds 5 to 10 kt...becoming W after midnight. Waves
1 ft. Showers likely with a chance of tstms.
.SUN...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A
chance of tstms.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of tstms.

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

$$

ANZ543-182000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1035 AM EDT Thu Jul 18 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

.REST OF TODAY...NW winds 10 kt. Waves 1 ft. Scattered showers with
isolated tstms late this morning, then numerous showers and
scattered tstms this afternoon with vsby 1 NM or less.
.TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Waves 1 ft. Scattered showers. Vsby 1 NM or less.
.FRI...NE winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 ft.
.FRI NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...S winds 5 to 10 kt...becoming W after midnight. Waves
1 ft. Showers likely with a chance of tstms.
.SUN...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A
chance of tstms.
.MON...SW winds 5 to 10 kt. Waves 1 ft. A chance of tstms.

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

$$