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 252035
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
435 PM EDT Wed Apr 25 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.

ANZ500-260815-
435 PM EDT Wed Apr 25 2018

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

Low pressure will move away from the waters tonight. High pressure
will settle over the waters on Thursday. Low pressure will approach
the waters Thursday night before passing through Friday. A cold
front will pass through Saturday and high pressure will return for
early next week. Small Craft advisories will likely be needed on
Friday and may be needed Sunday.

$$

ANZ535-260815-
Tidal Potomac from Key Bridge to Indian Head-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...NW winds 10 kt. Waves 1 ft. Showers
likely. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
likely. Patchy fog. Vsby 1 to 3 NM.
.THU...W winds 10 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...W winds 5 to 10 kt...becoming E after midnight. Waves
1 ft. Rain.
.FRI...E winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft. Rain.
.FRI NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.

$$

ANZ536-260815-
Tidal Potomac from Indian Head to Cobb Island-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...NW winds 10 kt. Waves 1 ft. Showers
likely. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers likely. Patchy fog. Vsby 1 to 3 NM.
.THU...W winds 10 kt. Gusts up to 20 kt until late afternoon. Waves
1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI...SE winds 5 to 10 kt...becoming SW in the afternoon. Waves
1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.

$$

ANZ537-260815-
Tidal Potomac from Cobb Island to Smith Point-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...NW winds 10 kt. Waves 1 ft. A chance of
showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW late.
Waves 1 to 2 ft.
.THU NIGHT...SE winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. Rain.
.FRI...SE winds 10 to 15 kt...becoming SW 5 to 10 kt in the
afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ530-260815-
Chesapeake Bay north of Pooles Island-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...W winds 5 kt. Waves less than 1 ft. A
chance of showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM.
.THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
afternoon.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.

$$

ANZ531-260815-
Chesapeake Bay from Pooles Island to Sandy Point-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...W winds 5 kt. Waves less than 1 ft.
Showers likely. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. Showers likely. Patchy fog. Vsby 1 to 3 NM.
.THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in
the afternoon.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ538-260815-
Patapsco River including Baltimore Harbor-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...W winds 5 kt. Waves less than 1 ft.
Showers likely. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely. Patchy fog. Vsby 1 to 3 NM.
.THU...W winds 10 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...SW winds 5 to 10 kt...becoming SE after midnight. Waves
1 ft. Rain.
.FRI...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...W winds 5 kt. Waves flat. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
in the afternoon.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.

$$

ANZ539-260815-
Chester River to Queenstown MD-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft. A
chance of showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM.
.THU...W winds 10 kt. Gusts up to 25 kt...diminishing to 20 kt in
the afternoon. Waves 1 to 2 ft.
.THU NIGHT...S winds 10 kt. Waves 1 ft. Rain.
.FRI...SE winds 10 kt with gusts to 20 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
afternoon.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ532-260815-
Chesapeake Bay from Sandy Point to North Beach-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...N winds 10 kt. Waves 1 ft. A chance of
showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW late.
Waves 1 to 2 ft.
.THU NIGHT...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Rain.
.FRI...SE winds 10 kt with gusts to 20 kt. Waves 2 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ540-260815-
Eastern Bay-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft. A
chance of showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM.
.THU...W winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft. Rain.
.FRI...SE winds 10 kt with gusts to 20 kt. Waves 1 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.

$$

ANZ533-260815-
Chesapeake Bay from North Beach to Drum Point-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...NW winds 10 kt. Waves 1 ft. A chance of
showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW late.
Waves 1 to 2 ft.
.THU NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 to
2 ft. Rain.
.FRI...SE winds 10 to 15 kt...becoming S in the afternoon. Gusts up
to 20 kt. Waves 2 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ541-260815-
Choptank River to Cambridge MD and the Little Choptank River-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...NW winds 10 kt. Waves 1 ft. A chance of
showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming W late.
Waves 1 to 2 ft.
.THU NIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft. Rain.
.FRI...SE winds 10 to 15 kt...becoming S in the afternoon. Gusts up
to 20 kt. Waves 1 to 2 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ542-260815-
Patuxent River to Broomes Island MD-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft. A
chance of showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers. Patchy fog. Vsby 1 to 3 NM.
.THU...W winds 10 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...SE winds 10 kt with gusts to 20 kt. Waves 1 ft. Rain.
.FRI...SE winds 10 kt...becoming SW in the afternoon. Gusts up to
20 kt. Waves 1 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 ft.

$$

ANZ534-260815-
Chesapeake Bay from Drum Point to Smith Point-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft. A
chance of showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt. Waves 1 ft...
building to 3 ft after midnight. A chance of showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW late.
Waves 2 to 3 ft.
.THU NIGHT...SE winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. Rain.
.FRI...SE winds 15 to 20 kt with gusts to 30 kt... becoming S 10 to
15 kt with gusts to 20 kt in the afternoon. Waves 3 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft. A chance of showers.
.SAT...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft...building to 3 ft
after midnight.

$$

ANZ543-260815-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
435 PM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft. A
chance of showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM.
.THU...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW late.
Waves 1 to 2 ft.
.THU NIGHT...SE winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
Rain.
.FRI...SE winds 10 to 15 kt...becoming S in the afternoon. Gusts up
to 25 kt. Waves 2 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. A chance of showers.
.SAT...NW winds 10 to 15 kt. Waves 1 ft.
.SUN...NW winds 10 to 15 kt. Waves 2 ft.

$$


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