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National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 240237
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1036 PM EDT Thu May 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. 

ANZ500-240800-
1036 PM EDT Thu May 23 2019

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

A cold front will approach from the north before passing through
overnight. High pressure will gradually build overhead Friday
through Friday night and a warm front will approach the waters
Saturday. A weak cold front will move in from the north Sunday, but
it will likely stall out nearby through Monday. A Small Craft
Advisory will be needed for the waters Sunday and Monday.



ANZ535-240800-
Tidal Potomac from Key Bridge to Indian Head-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 5 to 10 kt. Waves 1 ft. Isolated tstms.
Isolated showers.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

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

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

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

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

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

TUE
SW winds 5 kt. Waves less than 1 ft. 

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



ANZ536-240800-
Tidal Potomac from Indian Head to Cobb Island-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

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

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

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

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

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

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

SUN NIGHT
NW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.

MON
E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

TUE
SW winds 5 to 10 kt. Waves 1 ft. 

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



ANZ537-240800-
Tidal Potomac from Cobb Island to Smith Point-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Gusts up to 20 kt late this
evening and early morning. Waves 1 to 2 ft.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

FRI NIGHT
NE winds 5 to 10 kt. Waves 1 to 2 ft.

SAT
SE winds 10 to 15 kt. Waves 1 to 2 ft.

SAT NIGHT
S winds 10 to 15 kt. Waves 2 ft.

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

SUN NIGHT
NW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.

MON
N winds 5 to 10 kt...becoming SE. Waves 1 ft. A chance of
showers and tstms in the morning.

TUE
S winds 5 to 10 kt. Waves 1 ft. 

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



ANZ530-240800-
Chesapeake Bay north of Pooles Island-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Waves 1 ft. Scattered showers and
tstms.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

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

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

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

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

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
N winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.
A chance of showers and tstms in the morning.

TUE
S winds 5 to 10 kt. Waves 1 ft. 

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



ANZ531-240800-
Chesapeake Bay from Pooles Island to Sandy Point-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Waves 1 to 2 ft. Scattered showers
and tstms.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

FRI NIGHT
NE winds 5 to 10 kt. Waves 1 to 2 ft.

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

SAT NIGHT
S winds 10 kt. Waves 1 to 2 ft.

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

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
N winds 5 to 10 kt...becoming S after midnight. Waves 1 ft. A
chance of showers and tstms in the morning.

TUE
S winds 5 to 10 kt. Waves 1 ft. 

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



ANZ538-240800-
Patapsco River including Baltimore Harbor-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Waves 1 ft. Scattered showers and
tstms.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

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

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

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

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

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers and tstms.

MON
E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

TUE
SW winds 5 to 10 kt. Waves 1 ft. 

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



ANZ539-240800-
Chester River to Queenstown MD-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Waves 1 ft. Scattered showers and
tstms.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

FRI NIGHT
NE winds 5 to 10 kt. Waves 1 to 2 ft.

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

SAT NIGHT
S winds 10 kt. Waves 1 ft.

SUN
W winds 10 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
NW winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.
A chance of showers and tstms in the morning.

TUE
S winds 5 to 10 kt. Waves 1 ft. 

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



ANZ532-240800-
Chesapeake Bay from Sandy Point to North Beach-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Waves 1 ft. Isolated tstms.
Isolated showers.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

FRI NIGHT
NE winds 5 to 10 kt. Waves 1 to 2 ft.

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

SAT NIGHT
S winds 10 to 15 kt. Waves 2 ft.

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

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

TUE
S winds 5 to 10 kt. Waves 1 ft. 

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



ANZ540-240800-
Eastern Bay-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Waves 1 ft. Isolated tstms.
Isolated showers.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

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

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

SAT NIGHT
S winds 10 kt. Waves 1 ft.

SUN
W winds 10 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

TUE
S winds 5 to 10 kt. Waves 1 ft. 

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



ANZ533-240800-
Chesapeake Bay from North Beach to Drum Point-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Waves 1 to 2 ft. Isolated tstms.
Isolated showers.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

FRI NIGHT
NE winds 5 to 10 kt. Waves 1 to 2 ft.

SAT
SE winds 5 kt...becoming S 10 to 15 kt in the afternoon.
Waves 1 to 2 ft.

SAT NIGHT
S winds 10 to 15 kt. Waves 2 ft.

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

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
NE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.
A chance of showers and tstms in the morning.

TUE
S winds 5 to 10 kt. Waves 2 ft. 

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



ANZ541-240800-
Choptank River to Cambridge MD and the Little Choptank River-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Waves 1 ft. Isolated tstms.
Isolated showers.

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

FRI NIGHT
NE winds 5 to 10 kt. Waves 1 to 2 ft.

SAT
SE winds 10 to 15 kt. Waves 1 ft.

SAT NIGHT
S winds 10 to 15 kt. Waves 2 ft.

SUN
W winds 10 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
NE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.
A chance of showers and tstms in the morning.

TUE
S winds 5 to 10 kt. Waves 1 ft. 

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



ANZ542-240800-
Patuxent River to Broomes Island MD-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 10 kt. Waves 1 ft.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

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

SAT
SE winds 5 kt...becoming S 10 to 15 kt in the afternoon.
Waves 1 ft.

SAT NIGHT
S winds 10 to 15 kt. Waves 1 ft.

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

SUN NIGHT
NW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.

MON
E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

TUE
S winds 5 to 10 kt. Waves 1 ft. 

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



ANZ534-240800-
Chesapeake Bay from Drum Point to Smith Point-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

REST OF TONIGHT
W winds 15 kt with gusts to 20 kt. Waves 2 to
3 ft.

FRI
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.

FRI NIGHT
N winds 10 to 15 kt...becoming NE 5 to 10 kt after
midnight. Waves 1 to 2 ft.

SAT
SE winds 10 to 15 kt. Waves 1 to 2 ft.

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

SUN
SW winds 10 to 15 kt...diminishing to 5 kt in the afternoon.
Waves 1 to 2 ft.

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
N winds 5 to 10 kt...becoming SE. Waves 1 to 2 ft. A chance
of showers and tstms in the morning.

TUE
S winds 10 to 15 kt. Waves 2 to 3 ft. 

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



ANZ543-240800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1037 PM EDT Thu May 23 2019

SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

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

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

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

SAT
SE winds 10 to 15 kt. Waves 1 ft.

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

SUN
SW winds 10 to 15 kt. Waves 1 to 2 ft.

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.

MON
N winds 5 to 10 kt...becoming SE. Waves 1 to 2 ft. A chance
of showers and tstms in the morning.

TUE
S winds 10 to 15 kt. Waves 2 to 3 ft. 

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