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 251433
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1033 AM 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.

ANZ500-252000-
1033 AM EDT Wed Apr 25 2018

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

Low pressure will pass through the waters today. High pressure will
approach the waters tonight before settling overhead 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.

$$

ANZ535-252000-
Tidal Potomac from Key Bridge to Indian Head-
1033 AM EDT Wed Apr 25 2018

.REST OF TODAY...N winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...W winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft. Rain.
.FRI...SE winds 5 kt. Waves less than 1 ft. Rain.
.FRI NIGHT...W winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds around 5 kt. Waves 1 ft. A chance of showers.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-252000-
Tidal Potomac from Indian Head to Cobb Island-
1033 AM EDT Wed Apr 25 2018

.REST OF TODAY...N winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds around 5 kt. Waves 1 ft. A chance of showers.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-252000-
Tidal Potomac from Cobb Island to Smith Point-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...NE winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 to 2 ft. A chance of showers. Patchy
fog. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers.
.SAT...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ530-252000-
Chesapeake Bay north of Pooles Island-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...NE winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. 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 around 5 kt. Waves 1 ft or less. Rain.
.FRI...SE winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-252000-
Chesapeake Bay from Pooles Island to Sandy Point-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...N winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 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 2 ft.
.THU NIGHT...S winds 5 kt. Waves less than 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 or less. A chance of
showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ538-252000-
Patapsco River including Baltimore Harbor-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...N winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. 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. Vsby 1 to 3 NM.
.THU...W winds 10 kt. Gusts up to 20 kt until late afternoon. Waves
1 ft.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft. Rain.
.FRI...SE winds 5 kt. Waves less than 1 ft. Rain.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-252000-
Chester River to Queenstown MD-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...N winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. 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 2 ft.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft. Rain.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...NW winds 10 kt. Waves 1 to 2 ft.

$$

ANZ532-252000-
Chesapeake Bay from Sandy Point to North Beach-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...N winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. 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 20 kt... becoming W 5 kt
late. Waves 1 to 2 ft.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft. Rain.
.FRI...S 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.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ540-252000-
Eastern Bay-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...N winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft. A chance of showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 to 2 ft.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft. Rain.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-252000-
Chesapeake Bay from North Beach to Drum Point-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...N winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. 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 20 kt... becoming SW 5 kt
late. Waves 1 to 2 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI...S 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.
.SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ541-252000-
Choptank River to Cambridge MD and the Little Choptank River-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...N winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 to 2 ft. A chance of showers. Patchy
fog. Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 to 2 ft.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft. Rain.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ542-252000-
Patuxent River to Broomes Island MD-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...NW winds around 5 kt. Waves 1 ft or less. A chance
of rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft. A chance of showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 ft.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft. Rain.
.FRI...S 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.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ534-252000-
Chesapeake Bay from Drum Point to Smith Point-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...SW winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. 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 20 kt... becoming SW 5 kt
late. Waves 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 to 2 ft. Rain.
.FRI...S winds 10 kt. Waves 2 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.
.SUN...NW winds 10 to 15 kt. Waves 3 ft...subsiding to 1 ft in the
evening, then building to 3 ft after midnight.

$$

ANZ543-252000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1033 AM EDT Wed Apr 25 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM EDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...SW winds 5 kt. Waves less than 1 ft. A chance of
rain and drizzle. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft. A chance of showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...W winds 5 to 10 kt. Gusts up to 20 kt until late afternoon.
Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Rain.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.
.SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft.

$$



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