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
701
FZUS51 KLWX 111938
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
338 PM EDT Sat May 11 2024

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.

ANZ500-120800-
338 PM EDT Sat May 11 2024

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

A low pressure system will pass to the north late today into Sunday.
 High pressure will move overhead Sunday night and Monday before the
 next low pressure system approaches from the west Tuesday into
Wednesday. Small Craft Advisories may be needed for portions of the
waters Monday afternoon through Wednesday night.

$$

ANZ535-120800-
Tidal Potomac from Key Bridge to Indian Head-
338 PM EDT Sat May 11 2024

.REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. Numerous
showers.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft. Showers. A chance of
tstms through the night.
.WED...E winds 10 kt...becoming N. Waves 1 ft. A chance of tstms.
Showers.

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

$$

ANZ536-120800-
Tidal Potomac from Indian Head to Cobb Island-
338 PM EDT Sat May 11 2024

.REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. Numerous
showers.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 ft.
.SUN NIGHT...NE winds 5 to 10 kt...becoming SE after midnight. Waves
1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft. Showers. A chance of
tstms through the night.
.WED...S winds 5 to 10 kt...becoming N. Waves 1 ft. A chance of
tstms. Showers.

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

$$

ANZ537-120800-
Tidal Potomac from Cobb Island to Smith Point-
338 PM EDT Sat May 11 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. Scattered
showers.
.TONIGHT...SE winds 10 to 15 kt...becoming SW late. Gusts up to
20 kt. Waves 2 ft. Scattered showers.
.SUN...W winds 10 to 15 kt...becoming NW late. Gusts up to 20 kt.
Waves 1 to 2 ft.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 to 2 ft.
.MON...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 15 to 20 kt. Waves 2 to 3 ft. Showers. A chance of
tstms after midnight.
.WED...SW winds 10 kt...becoming NW. Waves 1 to 2 ft. A chance of
tstms. Showers.

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

$$

ANZ530-120800-
Chesapeake Bay north of Pooles Island-
338 PM EDT Sat May 11 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.REST OF THIS AFTERNOON...SW winds 10 kt. Waves 1 ft.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers. Vsby 1 to 3 NM.
.SUN...SE winds 5 to 10 kt...becoming NE in the afternoon. Waves
1 ft. Scattered showers.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft. Showers likely through
the day, then showers with a chance of tstms through the night.
.WED...NE winds 10 kt...becoming N after midnight. Waves 1 ft. A
chance of tstms. Showers.

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

$$

ANZ531-120800-
Chesapeake Bay from Pooles Island to Sandy Point-
338 PM EDT Sat May 11 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Isolated
showers.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers. Vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft.
Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 15 to 20 kt. Waves 2 ft.
.TUE...S winds 15 to 20 kt...becoming SE 10 kt after midnight. Waves
2 to 3 ft. Showers likely through the day, then showers with a
chance of tstms through the night.
.WED...E winds 10 kt...becoming N. Waves 1 to 2 ft. A chance of
tstms. Showers.

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

$$

ANZ538-120800-
Patapsco River including Baltimore Harbor-
338 PM EDT Sat May 11 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. Scattered
showers.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers.
.SUN...W winds 5 to 10 kt...becoming NE late. Waves 1 ft. Scattered
showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft. Showers likely through
the day, then showers with a chance of tstms through the night.
.WED...E winds 10 kt...becoming N. Waves 1 ft. A chance of tstms.
Showers.

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

$$

ANZ539-120800-
Chester River to Queenstown MD-
338 PM EDT Sat May 11 2024

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Isolated
showers.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers.
.SUN...SW winds 5 to 10 kt...becoming N in the afternoon. Waves
1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 15 to 20 kt. Waves 2 ft. Showers likely through the
day, then showers with a chance of tstms through the night.
.WED...E winds 10 kt...becoming N. Waves 1 to 2 ft. A chance of
tstms. Showers.

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

$$

ANZ532-120800-
Chesapeake Bay from Sandy Point to North Beach-
338 PM EDT Sat May 11 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. Isolated
showers.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers.
.SUN...W winds 10 kt...becoming N late. Waves 1 to 2 ft. Scattered
showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 15 to 20 kt. Waves 3 ft.
.TUE...S winds 15 to 20 kt...diminishing to 10 kt after midnight.
Waves 2 to 3 ft. Showers likely through the day, then showers with a
chance of tstms through the night.
.WED...SE winds 10 kt...becoming N. Waves 1 to 2 ft. A chance of
tstms. Showers.

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

$$

ANZ540-120800-
Eastern Bay-
338 PM EDT Sat May 11 2024

.REST OF THIS AFTERNOON...S winds 10 kt. Waves flat. Isolated
showers.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.SUN...W winds 5 to 10 kt...becoming NW in the afternoon. Waves
1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...S winds 15 to 20 kt. Waves 1 to 2 ft. Showers. A chance of
tstms after midnight.
.WED...E winds 10 kt...becoming N. Waves 1 ft. A chance of tstms.
Showers.

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

$$

ANZ533-120800-
Chesapeake Bay from North Beach to Drum Point-
338 PM EDT Sat May 11 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. Isolated
showers.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.SUN...W winds 10 kt...becoming N late. Waves 1 to 2 ft. Scattered
showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 15 to 20 kt. Waves 3 ft.
.TUE...S winds 15 to 20 kt. Waves 2 to 3 ft. Showers. A chance of
tstms after midnight.
.WED...S winds 10 kt...becoming N. Waves 2 ft. A chance of tstms.
Showers.

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

$$

ANZ541-120800-
Choptank River to Cambridge MD and the Little Choptank River-
338 PM EDT Sat May 11 2024

.REST OF THIS AFTERNOON...SW winds 5 kt. Waves flat. Isolated
showers.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Numerous showers.
.SUN...W winds 10 kt...becoming N late. Waves 1 ft. Scattered
showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...S winds 15 to 20 kt. Waves 2 ft.
.TUE...S winds 15 to 20 kt. Waves 2 ft. Showers. A chance of tstms
after midnight.
.WED...S winds 10 kt...becoming N. Waves 1 ft. A chance of tstms.
Showers.

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

$$

ANZ542-120800-
Patuxent River to Broomes Island MD-
338 PM EDT Sat May 11 2024

.REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. Isolated
showers.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 ft. Showers likely through the
day, then showers with a chance of tstms through the night.
.WED...S winds 10 kt...becoming N. Waves 1 ft. A chance of tstms.
Showers.

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

$$

ANZ534-120800-
Chesapeake Bay from Drum Point to Smith Point-
338 PM EDT Sat May 11 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SE winds 10 to 15 kt...becoming SW late. Gusts up to
20 kt. Waves 2 to 3 ft. Scattered showers.
.SUN...W winds 10 to 15 kt...becoming NW in the afternoon. Gusts up
to 20 kt. Waves 2 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts to 20 kt...becoming E
5 to 10 kt after midnight. Waves 1 to 2 ft.
.MON...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.MON NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.TUE...S winds 15 to 20 kt. Waves 3 ft. Showers. A chance of tstms
after midnight.
.WED...S winds 10 kt...becoming NW. Waves 2 ft. A chance of tstms.
Showers.

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

$$

ANZ543-120800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
338 PM EDT Sat May 11 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
LATE TONIGHT...

.REST OF THIS AFTERNOON...SW winds 10 kt. Waves 1 ft.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Scattered showers.
.SUN...W winds 10 to 15 kt...becoming NW late. Gusts up to 20 kt.
Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.MON...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.MON NIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers
through the day. Showers through the night. A chance of tstms after
midnight.
.WED...SW winds 10 kt...becoming N. Waves 1 to 2 ft. A chance of
tstms. Showers.

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

$$