Coastal Waters Forecast
Issued by NWS Sterling, VA

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347
FZUS51 KLWX 182226
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
626 PM EDT Wed Sep 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.

ANZ500-190800-
626 PM EDT Wed Sep 18 2024

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

Low pressure will develop off the coast tonight and slowly drift
eastward through Friday. A backdoor cold front may push though the
area Saturday. Small Craft Advisories may be needed for portions of
the waters Thursday, and again Friday night through Sunday.

$$

ANZ535-190800-
Tidal Potomac from Key Bridge to Indian Head-
626 PM EDT Wed Sep 18 2024

.TONIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers with
isolated tstms this evening, then scattered showers after midnight.
.THU...N winds 5 kt. Waves less than 1 ft.
.THU NIGHT...N winds around 5 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NE winds around 5 kt. Waves 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 kt. Waves less than 1 ft.

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

$$

ANZ536-190800-
Tidal Potomac from Indian Head to Cobb Island-
626 PM EDT Wed Sep 18 2024

.TONIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers with
isolated tstms this evening, then scattered showers after midnight.
Vsby 1 NM or less...increasing to 1 to 3 NM after midnight.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...NW winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ537-190800-
Tidal Potomac from Cobb Island to Smith Point-
626 PM EDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...N winds 10 kt with gusts to 20 kt. Waves 2 ft. Scattered
showers with isolated tstms this evening, then scattered showers
after midnight. Vsby 1 NM or less... increasing to 1 to 3 NM after
midnight.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 to 15 kt. Waves 1 to 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Waves 2 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 to 3 ft.
.MON...NE winds 10 to 15 kt. Waves 2 ft.

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

$$

ANZ530-190800-
Chesapeake Bay north of Pooles Island-
626 PM EDT Wed Sep 18 2024

.TONIGHT...NE winds 10 kt. Waves 1 ft. Scattered showers, mainly
this evening with vsby 1 to 3 NM.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-190800-
Chesapeake Bay from Pooles Island to Sandy Point-
626 PM EDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...NE winds 10 kt with gusts to 20 kt. Waves 2 ft. Scattered
showers, mainly this evening.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 kt. Waves 1 to 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 to 2 ft.
.SAT NIGHT...E winds 10 to 15 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...E winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ538-190800-
Patapsco River including Baltimore Harbor-
626 PM EDT Wed Sep 18 2024

.TONIGHT...NE winds 10 kt. Waves 1 ft. Scattered showers, mainly
this evening.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-190800-
Chester River to Queenstown MD-
626 PM EDT Wed Sep 18 2024

.TONIGHT...NE winds 10 kt. Waves 1 ft. Scattered showers, mainly
this evening.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 kt. Waves 1 ft.
.SAT...NE winds 10 kt. Waves 1 ft.
.SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ532-190800-
Chesapeake Bay from Sandy Point to North Beach-
626 PM EDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers, mainly this evening.
.THU...N winds 10 kt. Waves 1 to 2 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 to 15 kt. Waves 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SAT NIGHT...E winds 10 to 15 kt. Waves 2 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 ft.
.MON...E winds 10 to 15 kt. Waves 2 ft.

$$

ANZ540-190800-
Eastern Bay-
626 PM EDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Scattered
showers, mainly this evening.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT NIGHT...NE winds 10 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 1 ft.
.MON...E winds 10 kt. Waves 1 ft.

$$

ANZ533-190800-
Chesapeake Bay from North Beach to Drum Point-
626 PM EDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft. Scattered
showers.
.THU...N winds 10 kt. Waves 2 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Waves 2 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 ft.
.MON...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ541-190800-
Choptank River to Cambridge MD and the Little Choptank River-
626 PM EDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Scattered showers, mainly this evening with vsby 1 to 3 NM.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...E winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ542-190800-
Patuxent River to Broomes Island MD-
626 PM EDT Wed Sep 18 2024

.TONIGHT...N winds 10 kt. Waves 1 ft. Numerous showers with isolated
tstms this evening, then scattered showers after midnight.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 kt. Waves 1 ft.
.SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.MON...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ534-190800-
Chesapeake Bay from Drum Point to Smith Point-
626 PM EDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...N winds 15 kt with gusts to 20 kt. Waves 2 ft. Scattered
showers with isolated tstms this evening, then isolated showers
after midnight with vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt. Waves 2 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Waves 2 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 to 3 ft.
.MON...NE winds 10 to 15 kt. Waves 2 to 3 ft.

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

$$

ANZ543-190800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
626 PM EDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Scattered showers, mainly this evening. Vsby 1 NM or less...
increasing to 1 to 3 NM after midnight.
.THU...N winds 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SAT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft.
.MON...NE winds 10 to 15 kt. Waves 1 to 2 ft.

$$