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National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 240231
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1031 PM EDT Wed Aug 23 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. 

ANZ500-240800-
1031 PM EDT Wed Aug 23 2017

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

A cold front will drop to the south of the waters tonight. High
pressure centered over New England will extend south into the area
for Thursday through Monday.



ANZ535-240800-
Tidal Potomac from Key Bridge to Indian Head-
1031 PM EDT Wed Aug 23 2017

REST OF TONIGHT
N winds 5 to 10 kt. Waves 1 ft.

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

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

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

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

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

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

SUN
E winds around 5 kt. Waves 1 ft.

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



ANZ536-240800-
Tidal Potomac from Indian Head to Cobb Island-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
N winds 5 to 10 kt. Gusts up to 20 kt. Waves
1 ft. Isolated showers late this evening.

THU
N winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 ft.

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

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

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

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

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

SUN
NE winds around 5 kt. Waves 1 ft.

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



ANZ537-240800-
Tidal Potomac from Cobb Island to Smith Point-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
NE winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. Isolated showers late this evening.

THU
N winds 10 to 15 kt. Gusts up to 20 kt until late afternoon.
Waves 2 ft.

THU NIGHT
N 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 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 to 2 ft.

MON
NE winds 10 to 15 kt. Waves 1 to 2 ft. 



ANZ530-240800-
Chesapeake Bay north of Pooles Island-
1031 PM EDT Wed Aug 23 2017

REST OF TONIGHT
N winds 5 to 10 kt. Waves 1 ft.

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

THU NIGHT
N winds 5 kt. Waves flat.

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

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

SAT
N winds 5 kt. Waves flat.

SAT NIGHT
NE winds around 5 kt. Waves flat.

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

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



ANZ531-240800-
Chesapeake Bay from Pooles Island to Sandy Point-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
N winds 10 kt. Gusts up to 20 kt. Waves 1 to
2 ft.

THU
N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves
1 to 2 ft.

THU NIGHT
N winds 5 kt. Waves flat.

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

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

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

SAT NIGHT
NE 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. 



ANZ538-240800-
Patapsco River including Baltimore Harbor-
1031 PM EDT Wed Aug 23 2017

REST OF TONIGHT
N winds 5 to 10 kt. Waves 1 ft.

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

THU NIGHT
N winds 5 kt. Waves flat.

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

FRI NIGHT
N winds 5 to 10 kt. Waves flat.

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

SAT NIGHT
NE winds around 5 kt. Waves flat.

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

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



ANZ539-240800-
Chester River to Queenstown MD-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
N winds 5 to 10 kt. Gusts up to 20 kt. Waves 1 to
2 ft.

THU
N winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves
1 to 2 ft.

THU NIGHT
N winds 5 kt. Waves flat.

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

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

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

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

SUN
E winds 5 to 10 kt. Waves 1 ft or less.

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



ANZ532-240800-
Chesapeake Bay from Sandy Point to North Beach-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
N winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft.

THU
N winds 10 to 15 kt with gusts to 20 kt... becoming NE 5 kt
late. Waves 2 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
NE winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NE 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. 



ANZ540-240800-
Eastern Bay-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
N winds 10 kt with gusts to 20 kt. Waves 1 ft.

THU
N winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt late. 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 or less.

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

SAT NIGHT
NE 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. 



ANZ533-240800-
Chesapeake Bay from North Beach to Drum Point-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
N winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. Isolated showers late this evening.

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

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

SUN
E winds 5 to 10 kt. Waves 1 to 2 ft.

MON
E winds 5 to 10 kt. Waves 2 to 3 ft. 



ANZ541-240800-
Choptank River to Cambridge MD and the Little Choptank River-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
N winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft.

THU
N winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt late. Waves 2 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
NE winds 5 to 10 kt. Waves 1 ft.

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

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

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



ANZ542-240800-
Patuxent River to Broomes Island MD-
1031 PM EDT Wed Aug 23 2017

REST OF TONIGHT
N winds 10 to 15 kt. Waves 1 ft. Isolated showers
late this evening.

THU
N winds 10 to 15 kt...diminishing to 5 kt late. 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
NE winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NE 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 ft. 



ANZ534-240800-
Chesapeake Bay from Drum Point to Smith Point-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
NE winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft...building to 3 ft late. Isolated showers late this
evening.

THU
N winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.

THU NIGHT
NE 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
NE 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 to 3 ft. 



ANZ543-240800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1031 PM EDT Wed Aug 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

REST OF TONIGHT
NE winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. Isolated showers late this evening.

THU
N winds 10 to 15 kt. Gusts up to 20 kt until late afternoon.
Waves 2 ft.

THU NIGHT
NE 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
NE winds 5 to 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 2 ft.