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National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 190536
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
136 AM EDT Wed Sep 19 2018

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. 

ANZ500-192000-
136 AM EDT Wed Sep 19 2018

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

High pressure will build over the waters Wednesday into Thursday
before moving offshore later in the week. A cold front will approach
 this weekend, then stall near or just south of the waters.



ANZ535-192000-
Tidal Potomac from Key Bridge to Indian Head-
136 AM EDT Wed Sep 19 2018

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

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

WED NIGHT
NE winds around 5 kt. Waves 1 ft or less.

THU
SE winds around 5 kt. Waves 1 ft.

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

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

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

SAT
N winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.

SUN
E winds around 5 kt. Waves 1 ft. A chance of tstms. A chance
of showers. 

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



ANZ536-192000-
Tidal Potomac from Indian Head to Cobb Island-
136 AM EDT Wed Sep 19 2018

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

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

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

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

THU NIGHT
SE winds 5 kt. Waves less than 1 ft.

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

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

SAT
N winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.

SUN
NE winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers. 

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



ANZ537-192000-
Tidal Potomac from Cobb Island to Smith Point-
136 AM EDT Wed Sep 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING THROUGH
THIS AFTERNOON...

Overnight
NW winds 10 kt. Waves 1 ft.

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

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

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

THU NIGHT
SE winds 5 to 10 kt. Waves 2 ft.

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

FRI NIGHT
SW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.

SAT
NE winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

SUN
E winds 5 to 10 kt. Waves 1 ft. A chance of tstms. A chance
of showers. 

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



ANZ530-192000-
Chesapeake Bay north of Pooles Island-
136 AM EDT Wed Sep 19 2018

Overnight
NW winds 5 kt. Waves flat.

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

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

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

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

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

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

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

SUN
E winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers. 

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



ANZ531-192000-
Chesapeake Bay from Pooles Island to Sandy Point-
136 AM EDT Wed Sep 19 2018

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

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

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

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

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

FRI
S winds 10 to 15 kt. Waves 1 to 2 ft.

FRI NIGHT
SW winds 10 to 15 kt. Waves 2 ft.

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

SUN
E winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers. 

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



ANZ538-192000-
Patapsco River including Baltimore Harbor-
136 AM EDT Wed Sep 19 2018

Overnight
NW winds 5 kt. Waves flat.

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

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

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

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

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

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

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

SUN
E winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers. 

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



ANZ539-192000-
Chester River to Queenstown MD-
136 AM EDT Wed Sep 19 2018

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

WED
N winds 10 kt. Waves 1 ft.

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

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

THU NIGHT
SE winds 10 kt. Waves 1 ft.

FRI
S winds 10 to 15 kt. Waves 1 to 2 ft.

FRI NIGHT
SW winds 10 to 15 kt. Waves 1 to 2 ft.

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

SUN
E winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers. 

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



ANZ532-192000-
Chesapeake Bay from Sandy Point to North Beach-
136 AM EDT Wed Sep 19 2018

Overnight
NW winds 10 kt. Waves 1 ft.

WED
N winds 10 kt. Waves 2 ft.

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

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

THU NIGHT
SE winds 10 kt. Waves 2 ft.

FRI
S winds 10 to 15 kt. Waves 1 to 2 ft.

FRI NIGHT
SW winds 10 to 15 kt. Waves 2 ft.

SAT
NE winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

SUN
E winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers. 

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



ANZ540-192000-
Eastern Bay-
136 AM EDT Wed Sep 19 2018

Overnight
N winds 10 kt. Waves 1 ft.

WED
N winds 10 kt. Waves 1 ft.

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

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

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

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

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

SAT
NE winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

SUN
E winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers. 

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



ANZ533-192000-
Chesapeake Bay from North Beach to Drum Point-
136 AM EDT Wed Sep 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO NOON EDT
TODAY...

Overnight
NW winds 10 kt. Waves 1 ft.

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

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

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

THU NIGHT
SE winds 5 to 10 kt. Waves 2 ft.

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

FRI NIGHT
SW winds 10 kt. Waves 2 ft.

SAT
NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and
tstms.

SUN
E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of tstms. A
chance of showers. 

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



ANZ541-192000-
Choptank River to Cambridge MD and the Little Choptank River-
136 AM EDT Wed Sep 19 2018

Overnight
N winds 10 kt. Waves 1 ft.

WED
N winds 10 to 15 kt. Waves 2 ft.

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

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

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

FRI
S winds 10 to 15 kt. Waves 1 to 2 ft.

FRI NIGHT
SW winds 10 to 15 kt. Waves 2 ft.

SAT
NE winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

SUN
E winds 5 to 10 kt. Waves 1 ft. A chance of tstms. A chance
of showers. 

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



ANZ542-192000-
Patuxent River to Broomes Island MD-
136 AM EDT Wed Sep 19 2018

Overnight
NW winds 10 kt. Waves 1 ft.

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

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

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

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

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

FRI NIGHT
SW winds 10 kt. Waves 1 ft.

SAT
NE winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

SUN
E winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers. 

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



ANZ534-192000-
Chesapeake Bay from Drum Point to Smith Point-
136 AM EDT Wed Sep 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING THROUGH
THIS AFTERNOON...

Overnight
N winds 10 kt. Waves 2 ft.

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

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

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

THU NIGHT
SE winds 5 to 10 kt. Waves 2 ft.

FRI
S winds 10 to 15 kt. Waves 1 to 2 ft.

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

SAT
NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and
tstms.

SUN
E winds 5 to 10 kt. Waves 2 ft. A chance of tstms. A chance
of showers. 

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



ANZ543-192000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
136 AM EDT Wed Sep 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING THROUGH
THIS AFTERNOON...

Overnight
N winds 10 kt. Waves 1 ft.

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

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

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

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

FRI
S winds 10 to 15 kt. Waves 1 ft.

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

SAT
NW winds 10 kt...becoming NE. Waves 1 ft. A chance of tstms.
A chance of showers.

SUN
E winds 5 to 10 kt. Waves 1 ft. A chance of tstms. A chance
of showers. 

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