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National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 202332
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
732 PM EDT Wed Sep 20 2017

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. 

ANZ500-210800-
732 PM EDT Wed Sep 20 2017

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

A ridge of high pressure will remain over the eastern United  States
through early next week.



ANZ535-210800-
Tidal Potomac from Key Bridge to Indian Head-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds 5 kt. Waves less than 1 ft.

THU
N winds 5 kt. Waves less than 1 ft.

THU NIGHT
NW winds around 5 kt. Waves 1 ft.

FRI
N winds around 5 kt. Waves 1 ft.

FRI NIGHT
N winds around 5 kt. Waves 1 ft.

SAT
N winds 5 kt. Waves less than 1 ft.

SAT NIGHT
NW winds around 5 kt. Waves 1 ft or less.

SUN
N winds around 5 kt. Waves 1 ft or less.

MON
NE winds around 5 kt. Waves 1 ft or less. 



ANZ536-210800-
Tidal Potomac from Indian Head to Cobb Island-
732 PM EDT Wed Sep 20 2017

TONIGHT
NW winds 5 kt. Waves less than 1 ft.

THU
N winds 5 kt. Waves less than 1 ft.

THU NIGHT
NW winds around 5 kt. Waves 1 ft or less.

FRI
N winds around 5 kt. Waves 1 ft.

FRI NIGHT
NW winds around 5 kt. Waves 1 ft.

SAT
N winds around 5 kt. Waves 1 ft.

SAT NIGHT
NW winds around 5 kt. Waves 1 ft or less.

SUN
N winds around 5 kt. Waves 1 ft.

MON
N winds around 5 kt. Waves 1 ft. 



ANZ537-210800-
Tidal Potomac from Cobb Island to Smith Point-
732 PM EDT Wed Sep 20 2017

TONIGHT
NW winds 5 kt. Waves less than 1 ft.

THU
N winds 5 to 10 kt. Waves 1 ft.

THU NIGHT
NW winds around 5 kt. Waves 1 ft or less.

FRI
N winds 5 to 10 kt. Waves 1 ft.

FRI NIGHT
N winds 5 to 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NW winds around 5 kt. Waves 1 ft or less.

SUN
N winds around 5 kt. Waves 1 ft.

MON
NE winds 5 to 10 kt. Waves 1 ft. 



ANZ530-210800-
Chesapeake Bay north of Pooles Island-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds 5 kt. Waves less than 1 ft.

THU
N winds 5 kt. Waves less than 1 ft.

THU NIGHT
N winds around 5 kt. Waves 1 ft or less.

FRI
N winds 5 kt. Waves less than 1 ft.

FRI NIGHT
N winds 5 to 10 kt. Waves 1 ft or less.

SAT
N winds 5 to 10 kt. Waves 1 ft or less.

SAT NIGHT
N winds around 5 kt. Waves 1 ft or less.

SUN
N winds 5 kt. Waves less than 1 ft.

MON
NE winds 5 kt. Waves less than 1 ft. 



ANZ531-210800-
Chesapeake Bay from Pooles Island to Sandy Point-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds 5 kt. Waves less than 1 ft.

THU
N winds 5 kt. Waves less than 1 ft.

THU NIGHT
N winds around 5 kt. Waves 1 ft or less.

FRI
N winds 5 kt. Waves less than 1 ft.

FRI NIGHT
N winds 5 to 10 kt. Waves 1 ft or less.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
N winds 5 kt. Waves less than 1 ft.

SUN
N winds 5 kt. Waves less than 1 ft.

MON
NE winds 5 kt. Waves less than 1 ft. 



ANZ538-210800-
Patapsco River including Baltimore Harbor-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds 5 to 10 kt. Waves 1 ft or less.

THU
N winds 5 kt. Waves flat.

THU NIGHT
N winds around 5 kt. Waves flat.

FRI
N winds around 5 kt. Waves flat.

FRI NIGHT
N winds around 5 kt. Waves 1 ft or less.

SAT
N winds 5 kt. Waves less than 1 ft.

SAT NIGHT
N winds around 5 kt. Waves 1 ft or less.

SUN
N winds around 5 kt. Waves 1 ft or less.

MON
NE winds 5 kt. Waves less than 1 ft. 



ANZ539-210800-
Chester River to Queenstown MD-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds around 5 kt. Waves 1 ft or less.

THU
N winds 5 kt. Waves less than 1 ft.

THU NIGHT
N winds around 5 kt. Waves 1 ft or less.

FRI
N winds 5 to 10 kt. Waves 1 ft.

FRI NIGHT
N winds 5 to 10 kt. Waves 1 ft or less.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
N winds 5 kt. Waves less than 1 ft.

SUN
N winds 5 kt. Waves less than 1 ft.

MON
NE winds 5 kt. Waves less than 1 ft. 



ANZ532-210800-
Chesapeake Bay from Sandy Point to North Beach-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds 5 kt. Waves less than 1 ft.

THU
N winds 5 kt. Waves less than 1 ft.

THU NIGHT
N winds around 5 kt. Waves 1 ft or less.

FRI
N winds 5 kt. Waves less than 1 ft.

FRI NIGHT
N winds 5 to 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
N winds around 5 kt. Waves 1 ft or less.

SUN
N winds 5 kt. Waves less than 1 ft.

MON
NE winds 5 kt. Waves less than 1 ft. 



ANZ540-210800-
Eastern Bay-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds 5 kt. Waves less than 1 ft.

THU
N winds 5 kt. Waves less than 1 ft.

THU NIGHT
N winds around 5 kt. Waves 1 ft or less.

FRI
N winds 5 kt. Waves less than 1 ft.

FRI NIGHT
N winds 5 to 10 kt. Waves 1 ft or less.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
N winds around 5 kt. Waves 1 ft or less.

SUN
N winds 5 kt. Waves less than 1 ft.

MON
NE winds 5 kt. Waves less than 1 ft. 



ANZ533-210800-
Chesapeake Bay from North Beach to Drum Point-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds 5 kt. Waves less than 1 ft.

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
N winds 5 to 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NW winds around 5 kt. Waves 1 ft or less.

SUN
N winds around 5 kt. Waves 1 ft.

MON
NE winds 5 to 10 kt. Waves 1 to 2 ft. 



ANZ541-210800-
Choptank River to Cambridge MD and the Little Choptank River-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds around 5 kt. Waves 1 ft or less.

THU
N winds 5 kt. Waves less than 1 ft.

THU NIGHT
N winds around 5 kt. Waves 1 ft or less.

FRI
N winds 5 to 10 kt. Waves 1 ft.

FRI NIGHT
N winds 5 to 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NW winds around 5 kt. Waves 1 ft or less.

SUN
NE winds around 5 kt. Waves 1 ft.

MON
NE winds 5 kt. Waves less than 1 ft. 



ANZ542-210800-
Patuxent River to Broomes Island MD-
732 PM EDT Wed Sep 20 2017

TONIGHT
NW winds 5 kt. Waves less than 1 ft.

THU
N winds 5 kt. Waves less than 1 ft.

THU NIGHT
NW winds around 5 kt. Waves 1 ft.

FRI
N winds around 5 kt. Waves 1 ft.

FRI NIGHT
N winds 5 kt. Waves less than 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NW winds around 5 kt. Waves 1 ft.

SUN
N winds around 5 kt. Waves 1 ft.

MON
NE winds 5 kt. Waves less than 1 ft. 



ANZ534-210800-
Chesapeake Bay from Drum Point to Smith Point-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds 5 kt. Waves less than 1 ft.

THU
N winds 5 to 10 kt. Waves 1 ft.

THU NIGHT
S winds 5 kt...becoming NW late. Waves 1 ft.

FRI
N winds 5 to 10 kt. Waves 1 ft.

FRI NIGHT
N winds 5 to 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NW winds 5 kt. Waves less than 1 ft.

SUN
NE winds 5 to 10 kt. Waves 1 ft.

MON
NE winds 5 to 10 kt. Waves 1 to 2 ft. 



ANZ543-210800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
732 PM EDT Wed Sep 20 2017

TONIGHT
N winds 5 kt. Waves less than 1 ft.

THU
N winds 5 to 10 kt. Waves 1 ft.

THU NIGHT
NW winds around 5 kt. Waves 1 ft or less.

FRI
N winds 5 to 10 kt. Waves 1 ft.

FRI NIGHT
N winds 5 to 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NW winds around 5 kt. Waves 1 ft or less.

SUN
NE winds 5 to 10 kt. Waves 1 ft.

MON
NE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.