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National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 221438
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
938 AM EST Tue Jan 22 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. 

ANZ500-222100-
938 AM EST Tue Jan 22 2019

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

Arctic high pressure will slowly build over the region  today before
shifting off the Mid Atlantic coast tonight. A cold  front will near
the Ohio Valley on Wednesday, as low pressure will  ride along this
boundary and cross the waters Wednesday night into  Thursday. A
secondary cold front will pass over the waters Friday,  with high
pressure settling overhead through the first half of the  weekend.
Small Craft Advisories will likely be required Wednesday  night
through Thursday night.



ANZ535-222100-
Tidal Potomac from Key Bridge to Indian Head-
938 AM EST Tue Jan 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

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

TONIGHT
S winds 5 to 10 kt. Waves flat.

WED
S winds 5 to 10 kt. Waves flat. A chance of rain.

WED NIGHT
S winds 5 to 10 kt. Waves flat. Rain.

THU
NW winds 5 to 10 kt with gusts to 20 kt. Waves flat. Rain.

THU NIGHT
W winds 5 to 10 kt. Waves flat.

FRI
N winds 5 to 10 kt. Waves flat.

SAT
SE winds around 5 kt. Waves 1 ft. 



ANZ536-222100-
Tidal Potomac from Indian Head to Cobb Island-
938 AM EST Tue Jan 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

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

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

WED
S winds 5 to 10 kt. Waves 1 ft. A chance of rain.

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

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

THU NIGHT
W winds 5 to 10 kt. Waves 1 ft.

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

SAT
SE winds around 5 kt. Waves 1 ft. 



ANZ537-222100-
Tidal Potomac from Cobb Island to Smith Point-
938 AM EST Tue Jan 22 2019

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

REST OF TODAY
N winds 5 to 10 kt...becoming SE late. Waves 1 ft
or less.

TONIGHT
S winds 5 to 10 kt. Gusts up to 20 kt in the late evening
and overnight. Waves 1 to 2 ft.

WED
S winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.

WED NIGHT
S winds 10 to 15 kt with gusts to 30 kt. Waves 3 ft.
Rain.

THU
W winds 10 to 15 kt with gusts to 30 kt... becoming NW with
gusts to 20 kt in the afternoon. Waves 2 to 3 ft. Rain.

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

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

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



ANZ530-222100-
Chesapeake Bay north of Pooles Island-
938 AM EST Tue Jan 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

REST OF TODAY
S winds around 5 kt. Waves 1 ft or less.

TONIGHT
S winds 5 to 10 kt. Gusts up to 20 kt in the late evening
and overnight. Waves 1 ft.

WED
S winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance
of rain.

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

THU
W winds 10 to 15 kt. Gusts up to 25 kt. Waves 1 to 2 ft.
Rain.

THU NIGHT
W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.

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

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



ANZ531-222100-
Chesapeake Bay from Pooles Island to Sandy Point-
938 AM EST Tue Jan 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

REST OF TODAY
NW winds 10 kt...becoming S this afternoon. Waves
1 ft or less.

TONIGHT
S winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.

WED
S winds 10 kt with gusts to 20 kt. Waves 2 ft. A chance of
rain.

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

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

THU NIGHT
W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.

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

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



ANZ538-222100-
Patapsco River including Baltimore Harbor-
938 AM EST Tue Jan 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

REST OF TODAY
SW winds 5 kt. Waves flat.

TONIGHT
S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

WED
S winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance of
rain.

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

THU
NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. Rain.

THU NIGHT
W winds 5 to 10 kt. Gusts up to 25 kt in the evening.
Waves 1 ft.

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

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



ANZ539-222100-
Chester River to Queenstown MD-
938 AM EST Tue Jan 22 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

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

TONIGHT
S winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.

WED
S winds 10 kt with gusts to 20 kt. Waves 2 ft. A chance of
rain.

WED NIGHT
S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Rain.

THU
W winds 10 to 15 kt. Gusts up to 25 kt. Waves 2 ft. Rain.

THU NIGHT
W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.

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

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



ANZ532-222100-
Chesapeake Bay from Sandy Point to North Beach-
938 AM EST Tue Jan 22 2019

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

REST OF TODAY
N winds 10 kt...becoming SE this afternoon. Waves
1 ft or less.

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

WED
S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of rain.

WED NIGHT
S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
Rain.

THU
W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Rain.

THU NIGHT
NW winds 10 kt with gusts to 25 kt. Waves 2 ft.

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

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



ANZ540-222100-
Eastern Bay-
938 AM EST Tue Jan 22 2019

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

REST OF TODAY
N winds 5 to 10 kt...becoming S late. Waves 1 ft or
less.

TONIGHT
S winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.

WED
S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of rain.

WED NIGHT
S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Rain.

THU
W winds 10 to 15 kt. Gusts up to 25 kt. Waves 2 ft. Rain.

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

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

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



ANZ533-222100-
Chesapeake Bay from North Beach to Drum Point-
938 AM EST Tue Jan 22 2019

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

REST OF TODAY
N winds 15 kt...becoming E 5 kt this afternoon.
Waves 1 to 2 ft...subsiding to flat late.

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

WED
S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.

WED NIGHT
S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
Rain.

THU
W winds 10 to 15 kt...becoming NW in the afternoon. Gusts up
to 25 kt. Waves 2 to 3 ft. Rain.

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

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

SAT
S winds 5 kt. Waves 1 to 2 ft. 



ANZ541-222100-
Choptank River to Cambridge MD and the Little Choptank River-
938 AM EST Tue Jan 22 2019

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

REST OF TODAY
N winds 5 to 10 kt...becoming S late. Waves 1 to
2 ft...subsiding to flat late.

TONIGHT
S winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.

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

WED NIGHT
S winds 15 kt with gusts to 25 kt. Waves 2 ft. Rain.

THU
W winds 10 to 15 kt...becoming NW in the afternoon. Gusts up
to 25 kt. Waves 2 ft. Rain.

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

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

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



ANZ542-222100-
Patuxent River to Broomes Island MD-
938 AM EST Tue Jan 22 2019

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

REST OF TODAY
N winds 5 to 10 kt...becoming SE late. Waves 1 ft
or less.

TONIGHT
S winds 5 to 10 kt. Gusts up to 20 kt in the late evening
and overnight. Waves 1 ft or less.

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

WED NIGHT
S winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
Rain.

THU
W winds 10 kt with gusts to 25 kt. Waves 1 ft. Rain.

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

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

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



ANZ534-222100-
Chesapeake Bay from Drum Point to Smith Point-
938 AM EST Tue Jan 22 2019

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

REST OF TODAY
N winds 5 to 10 kt...becoming SE late. Waves 1 to
2 ft.

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

WED
S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.

WED NIGHT
S winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft.
Rain.

THU
SW winds 15 to 20 kt...becoming NW 10 to 15 kt in the
afternoon. Gusts up to 30 kt. Waves 5 ft...subsiding to 3 ft in the
afternoon. Rain.

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

FRI
N winds 5 to 10 kt. Waves 2 ft.

SAT
N winds 5 to 10 kt...becoming S. Waves 2 ft. 



ANZ543-222100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
938 AM EST Tue Jan 22 2019

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

REST OF TODAY
N winds 5 to 10 kt...becoming S late. Waves 1 ft or
less.

TONIGHT
S winds 5 to 10 kt. Gusts up to 20 kt in the late evening
and overnight. Waves 1 to 2 ft.

WED
S winds 15 to 20 kt. Gusts up to 25 kt... increasing to 30 kt
in the afternoon. Waves 2 to 3 ft.

WED NIGHT
S winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
Rain.

THU
SW winds 15 to 20 kt with gusts to 35 kt... becoming NW 10 to
15 kt with gusts to 25 kt in the afternoon. Waves 2 to 3 ft. Rain.

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

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

SAT
S winds 5 kt. Waves 1 to 2 ft.