Coastal Waters Forecast
Issued by NWS Sterling, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS51 KLWX 231713
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
113 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-
113 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 through this evening
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-
113 PM EDT Thu May 23 2019

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
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 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...NW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.MON...SW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
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...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.MON...NW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 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...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.MON...N winds 5 to 10 kt...becoming S. Waves 1 ft. A chance of
showers and tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
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...NW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms through the night.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
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...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 10 kt. Gusts up to 20 kt in the evening. 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...NW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms through the night.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 10 kt. Gusts up to 20 kt in the evening. 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 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.MON...NW winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers and tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 10 kt. Gusts up to 20 kt in the evening. 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 5 to 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...S winds 10 to 15 kt. Waves 2 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.MON...N winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers and tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 10 kt. Gusts up to 20 kt in the evening. 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 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 10 kt. Gusts up to 20 kt in the evening. 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 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...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.MON...N winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers and tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
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 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...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.MON...N winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers and tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SEVERE THUNDERSTORM WATCH 218 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 10 kt. Gusts up to 20 kt in the evening. 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...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.MON...SE winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves 3 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 10 to 15 kt. Gusts up 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...becoming NW 5 to 10 kt. Waves 1 to
2 ft. A chance of showers and tstms through the night.
.MON...N winds 5 to 10 kt...becoming S. Waves 1 to 2 ft. A chance of
showers and tstms in the morning.

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

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
EVENING...

.THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt. Waves 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...becoming NW 5 to 10 kt. Waves 1 to
2 ft. A chance of showers and tstms through the night.
.MON...N winds 5 to 10 kt...becoming S. Waves 1 to 2 ft. A chance of
showers and tstms in the morning.

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

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.