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National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 201732
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1232 PM EST Mon Nov 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. 

ANZ500-210900-
1232 PM EST Mon Nov 20 2017

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

High pressure will build to our south through tonight. The high will
 move offshore Tuesday and a cold front will pass through late
Tuesday night into Wednesday. High pressure will return for the
second half of the week. A Small Craft Advisory may be needed for
portions of the waters Wednesday and Wednesday night.



ANZ535-210900-
Tidal Potomac from Key Bridge to Indian Head-
1232 PM EST Mon Nov 20 2017

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

THIS AFTERNOON
SW winds 10 kt. Waves 1 ft.

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

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

TUE NIGHT
SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

WED
NW winds 10 to 15 kt. Waves 1 ft.

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

THU
W winds around 5 kt. Waves 1 ft.

FRI
S winds around 5 kt. Waves 1 ft. 



ANZ536-210900-
Tidal Potomac from Indian Head to Cobb Island-
1232 PM EST Mon Nov 20 2017

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

THIS AFTERNOON
SW winds 5 to 10 kt. Waves 1 ft.

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

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

TUE NIGHT
SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

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

THU
W winds around 5 kt. Waves 1 ft.

FRI
SW winds around 5 kt. Waves 1 ft. 



ANZ537-210900-
Tidal Potomac from Cobb Island to Smith Point-
1232 PM EST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
TUESDAY EVENING...

THIS AFTERNOON
W winds 10 to 15 kt. Waves 2 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.

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

TUE NIGHT
S winds 10 to 15 kt...becoming SW 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 1 to 2 ft. Showers likely.

WED
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

WED NIGHT
N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

THU
W winds 5 to 10 kt. Waves 1 to 2 ft...subsiding to 1 ft or
less.

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



ANZ530-210900-
Chesapeake Bay north of Pooles Island-
1232 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...

THIS AFTERNOON
W winds 15 kt with gusts to 20 kt. Waves 2 ft.

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

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

TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.

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

WED NIGHT
N winds 10 to 15 kt. Waves 1 ft.

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

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



ANZ531-210900-
Chesapeake Bay from Pooles Island to Sandy Point-
1232 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
TUESDAY EVENING...

THIS AFTERNOON
W winds 15 kt with gusts to 20 kt. Waves 2 ft.

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

TUE
S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.

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

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

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

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



ANZ538-210900-
Patapsco River including Baltimore Harbor-
1232 PM EST Mon Nov 20 2017

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

THIS AFTERNOON
W winds 10 to 15 kt. Waves 1 ft.

TONIGHT
SW winds 10 kt. Waves 1 ft.

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

TUE NIGHT
SW winds 10 to 15 kt. Waves 1 ft. A chance of showers.

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

WED NIGHT
N winds 10 to 15 kt. Waves 1 ft.

THU
W winds 5 to 10 kt. Waves flat.

FRI
S winds around 5 kt. Waves 1 ft or less. 



ANZ539-210900-
Chester River to Queenstown MD-
1232 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
TUESDAY EVENING...

THIS AFTERNOON
W winds 15 kt with gusts to 20 kt. Waves 2 ft.

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

TUE
S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.

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

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

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

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



ANZ532-210900-
Chesapeake Bay from Sandy Point to North Beach-
1232 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING


THIS AFTERNOON
W winds 15 kt with gusts to 20 kt. Waves 2 ft.

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

TUE
S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

TUE NIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming SW
5 to 10 kt after midnight. Waves 2 to 3 ft. A chance of showers.

WED
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

WED NIGHT
N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.

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

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



ANZ540-210900-
Eastern Bay-
1232 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING


THIS AFTERNOON
W winds 15 kt with gusts to 20 kt. Waves 2 ft.

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

TUE
SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

TUE NIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming SW
5 to 10 kt after midnight. Waves 1 to 2 ft. A chance of showers.

WED
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

WED NIGHT
N winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.

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

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



ANZ533-210900-
Chesapeake Bay from North Beach to Drum Point-
1232 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING


THIS AFTERNOON
W winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft.

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

TUE
S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

TUE NIGHT
SW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 2 to 3 ft. A chance of showers.

WED
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

WED NIGHT
N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

THU
W winds 5 to 10 kt. Waves 1 to 2 ft...subsiding to 1 ft or
less.

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



ANZ541-210900-
Choptank River to Cambridge MD and the Little Choptank River-
1232 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING


THIS AFTERNOON
W winds 15 kt with gusts to 20 kt. Waves 2 ft.

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

TUE
S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.

WED
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

WED NIGHT
N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

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

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



ANZ542-210900-
Patuxent River to Broomes Island MD-
1232 PM EST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH
TUESDAY EVENING...

THIS AFTERNOON
W winds 10 kt. Waves 1 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

TUE
S winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.

TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.

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

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

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

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



ANZ534-210900-
Chesapeake Bay from Drum Point to Smith Point-
1232 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING


THIS AFTERNOON
W winds 10 to 15 kt with gusts to 20 kt. Waves
2 to 3 ft.

TONIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.

TUE
S winds 15 to 20 kt with gusts to 25 kt. Waves 4 ft.

TUE NIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming SW
10 kt after midnight. Waves 2 to 3 ft. Showers likely.

WED
NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A
chance of showers.

WED NIGHT
N winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.

THU
NW winds 10 to 15 kt...becoming W 5 to 10 kt. Waves 1 to
2 ft.

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



ANZ543-210900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1232 PM EST Mon Nov 20 2017

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING


THIS AFTERNOON
W winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft.

TONIGHT
SW winds 15 to 20 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 2 ft.

TUE
S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

TUE NIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming SW
10 kt after midnight. Waves 1 to 2 ft. Showers likely.

WED
NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft. A
chance of showers.

WED NIGHT
N winds 15 to 20 kt with gusts to 30 kt. Waves 2 to
3 ft.

THU
N winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 ft or
less.

FRI
NW winds 5 to 10 kt...becoming SW. Waves 1 to 2 ft.