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National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 230835
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
435 AM EDT Mon Sep 23 2019

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. 

ANZ500-232300-
435 AM EDT Mon Sep 23 2019

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

High pressure will shift south and east tonight, allowing a cold
front to approach the waters Monday and cross Monday night. High
pressure will return midweek.



ANZ535-232300-
Tidal Potomac from Key Bridge to Indian Head-
435 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

REST OF THE OVERNIGHT
S winds 5 kt. Waves less than 1 ft.

TODAY
SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.

TONIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

TUE
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
SW winds around 5 kt. Waves 1 ft.

WED NIGHT
S winds 5 kt. Waves less than 1 ft.

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

FRI
S winds around 5 kt. Waves 1 ft. 



ANZ536-232300-
Tidal Potomac from Indian Head to Cobb Island-
435 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

REST OF THE OVERNIGHT
S winds 5 kt. Waves less than 1 ft.

TODAY
SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.

TONIGHT
NW winds 5 kt. Waves less than 1 ft. A chance of showers.

TUE
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

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

WED
SW winds around 5 kt. Waves 1 ft.

WED NIGHT
S winds 5 kt. Waves less than 1 ft.

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

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



ANZ537-232300-
Tidal Potomac from Cobb Island to Smith Point-
435 AM EDT Mon Sep 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH TUESDAY AFTERNOON...

REST OF THE OVERNIGHT
SW winds 10 kt with gusts to 20 kt. Waves
2 ft.

TODAY
S winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.

TONIGHT
NW winds 5 to 10 kt. Gusts up to 20 kt. Waves 1 to 2 ft.

TUE
NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 kt. Waves less than 1 ft.

WED NIGHT
S winds 5 to 10 kt. Waves 1 ft.

THU
SW winds 5 to 10 kt...becoming N. Waves 1 to 2 ft.

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



ANZ530-232300-
Chesapeake Bay north of Pooles Island-
435 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

REST OF THE OVERNIGHT
S winds 5 kt. Waves less than 1 ft.

TODAY
S winds 5 to 10 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 to 2 ft.

TONIGHT
W winds 5 to 10 kt. Waves 1 ft. A chance of showers.

TUE
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

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

WED
W winds 5 kt. Waves less than 1 ft.

WED NIGHT
S winds 5 kt. Waves less than 1 ft.

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

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



ANZ531-232300-
Chesapeake Bay from Pooles Island to Sandy Point-
435 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

REST OF THE OVERNIGHT
S winds 10 kt. Waves 1 ft.

TODAY
S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.

TONIGHT
NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers.

TUE
NW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt. Waves 1 ft.

WED NIGHT
S winds 5 to 10 kt. Waves 1 ft.

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

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



ANZ538-232300-
Patapsco River including Baltimore Harbor-
435 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

REST OF THE OVERNIGHT
S winds 5 kt. Waves flat.

TODAY
SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft or less.

TONIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

TUE
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 kt. Waves flat.

WED NIGHT
S winds 5 kt. Waves less than 1 ft.

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

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



ANZ539-232300-
Chester River to Queenstown MD-
435 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

REST OF THE OVERNIGHT
S winds 10 kt. Waves 1 ft.

TODAY
S winds 10 to 15 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 to 2 ft.

TONIGHT
NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers.

TUE
NW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt. Waves 1 ft.

WED NIGHT
S winds 5 to 10 kt. Waves 1 ft.

THU
SW winds 10 kt...becoming N. Waves 1 ft.

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



ANZ532-232300-
Chesapeake Bay from Sandy Point to North Beach-
435 AM EDT Mon Sep 23 2019

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

REST OF THE OVERNIGHT
S winds 10 kt with gusts to 20 kt. Waves
2 ft.

TODAY
S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

TONIGHT
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
A chance of showers.

TUE
NW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt. Waves 1 ft.

WED NIGHT
S winds 5 to 10 kt. Waves 1 ft.

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

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



ANZ540-232300-
Eastern Bay-
435 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

REST OF THE OVERNIGHT
S winds 10 kt. Waves 2 ft.

TODAY
S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.

TONIGHT
NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers.

TUE
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt. Waves 1 ft.

WED NIGHT
S winds 5 to 10 kt. Waves 1 ft.

THU
SW winds 10 kt...becoming N. Waves 1 ft.

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



ANZ533-232300-
Chesapeake Bay from North Beach to Drum Point-
435 AM EDT Mon Sep 23 2019

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

REST OF THE OVERNIGHT
SW winds 10 kt with gusts to 20 kt. Waves
2 ft.

TODAY
S winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.

TONIGHT
NW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.

TUE
NW winds 10 kt with gusts to 20 kt. Waves 2 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 kt. Waves less than 1 ft.

WED NIGHT
S winds 5 to 10 kt. Waves 1 ft.

THU
SW winds 5 to 10 kt...becoming N. Waves 1 to 2 ft.

FRI
SE winds 5 to 10 kt. Waves 1 to 2 ft. 



ANZ541-232300-
Choptank River to Cambridge MD and the Little Choptank River-
435 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

REST OF THE OVERNIGHT
S winds 10 kt. Waves 2 ft.

TODAY
S winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.

TONIGHT
NW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.

TUE
NW winds 10 kt with gusts to 20 kt. Waves 2 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 kt. Waves less than 1 ft.

WED NIGHT
S winds 5 to 10 kt. Waves 1 ft.

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

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



ANZ542-232300-
Patuxent River to Broomes Island MD-
435 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

REST OF THE OVERNIGHT
SW winds 5 kt. Waves less than 1 ft.

TODAY
S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.

TONIGHT
NW winds 5 to 10 kt. Waves 1 ft.

TUE
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 kt. Waves less than 1 ft.

WED NIGHT
S winds 5 to 10 kt. Waves 1 ft.

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

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



ANZ534-232300-
Chesapeake Bay from Drum Point to Smith Point-
435 AM EDT Mon Sep 23 2019

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


REST OF THE OVERNIGHT
SW winds 15 kt with gusts to 20 kt. Waves
3 ft.

TODAY
S winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft.

TONIGHT
NW winds 5 to 10 kt. Gusts up to 20 kt. Waves 2 to 3 ft.

TUE
NW winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt. Waves 1 ft.

WED NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

THU
SW winds 10 to 15 kt...becoming N. Waves 1 to 2 ft.

FRI
NE winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 2 ft. 



ANZ543-232300-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
435 AM EDT Mon Sep 23 2019

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


REST OF THE OVERNIGHT
SW winds 15 kt with gusts to 20 kt. Waves
2 ft.

TODAY
S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

TONIGHT
NW winds 5 to 10 kt. Gusts up to 20 kt. Waves 2 ft.

TUE
NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.

TUE NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt. Waves 1 ft or less.

WED NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.

THU
SW winds 10 to 15 kt...becoming N. Waves 1 to 2 ft.

FRI
SE winds 5 to 10 kt. Waves 1 to 2 ft.