National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Coastal Waters Forecast
Issued by NWS Sterling, VA

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140
FZUS51 KLWX 190535
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
135 AM EDT Thu Sep 19 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.

ANZ500-192000-
135 AM EDT Thu Sep 19 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.

$$

ANZ535-192000-
Tidal Potomac from Key Bridge to Indian Head-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...N winds 5 kt. Waves less than 1 ft. Isolated showers.
.THU...N winds 5 kt. Waves less than 1 ft.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft.
.FRI...NE winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NE winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...E winds around 5 kt. Waves 1 ft.
.SUN...E winds 5 kt. Waves less than 1 ft.
.MON...E winds 5 kt. Waves less than 1 ft.

$$

ANZ536-192000-
Tidal Potomac from Indian Head to Cobb Island-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...N winds 5 kt. Waves less than 1 ft. Scattered showers.
Vsby 1 to 3 NM.
.THU...N winds 5 kt. Waves less than 1 ft.
.THU NIGHT...NW winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...E winds 5 kt. Waves less than 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-192000-
Tidal Potomac from Cobb Island to Smith Point-
135 AM EDT Thu Sep 19 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...NE winds 10 kt. Waves 2 ft. Isolated showers with
patchy drizzle. Vsby 1 to 3 NM.
.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 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...N winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 ft.
.MON...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ530-192000-
Chesapeake Bay north of Pooles Island-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...N winds 10 kt. Waves 1 ft. Isolated showers.
.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.

$$

ANZ531-192000-
Chesapeake Bay from Pooles Island to Sandy Point-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...NE winds 10 kt. Waves 1 ft. Isolated showers.
.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 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...E winds 5 to 10 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 ft.

$$

ANZ538-192000-
Patapsco River including Baltimore Harbor-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...N winds 5 kt. Waves less than 1 ft. Isolated showers.
.THU...N winds 5 kt. Waves less than 1 ft.
.THU NIGHT...N winds 5 kt. Waves less than 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 kt. Waves less than 1 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-192000-
Chester River to Queenstown MD-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...NE winds 10 kt. Waves 1 ft. Isolated showers.
.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.

$$

ANZ532-192000-
Chesapeake Bay from Sandy Point to North Beach-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...NE winds 10 kt. Waves 1 ft. Isolated showers.
.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 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NE winds 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...E winds 10 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.

$$

ANZ540-192000-
Eastern Bay-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...NE winds 10 kt. Waves 1 ft. Isolated showers.
.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 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT...N winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E 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.

$$

ANZ533-192000-
Chesapeake Bay from North Beach to Drum Point-
135 AM EDT Thu Sep 19 2024

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

$$

ANZ541-192000-
Choptank River to Cambridge MD and the Little Choptank River-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...NE winds 10 kt. Waves 1 ft.
.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 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SAT...N winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NE winds 5 to 10 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 ft.

$$

ANZ542-192000-
Patuxent River to Broomes Island MD-
135 AM EDT Thu Sep 19 2024

.OVERNIGHT...NE winds 5 kt. Waves less than 1 ft. Isolated showers.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N 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...N 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.

$$

ANZ534-192000-
Chesapeake Bay from Drum Point to Smith Point-
135 AM EDT Thu Sep 19 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.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 kt. Waves 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...N winds 10 to 15 kt. Waves 2 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 ft.
.MON...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ543-192000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
135 AM EDT Thu Sep 19 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Patchy
very light drizzle. Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt...becoming NW late. 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...N winds 10 to 15 kt. Waves 1 to 2 ft.
.SAT NIGHT...NE winds 10 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.

$$