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
764
FZUS51 KLWX 220430
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1229 AM EDT Sun Sep 22 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.

ANZ500-222000-
1229 AM EDT Sun Sep 22 2024

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

A frontal system stalls in the area through Sunday. A strong front
and area of low pressure over the Great Lakes and Upper Midwest will
 approach the area during the early or middle part of next week.
Small Craft Advisories may be needed for portions of the waters
through Sunday night.

$$

ANZ535-222000-
Tidal Potomac from Key Bridge to Indian Head-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms. Patchy fog.
.SUN...E winds 5 kt. Waves less than 1 ft. Scattered showers. Patchy
fog.
.SUN NIGHT...E winds around 5 kt. Waves 1 ft.
.MON...SE winds around 5 kt. Waves 1 ft.
.MON NIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered showers.
.TUE...E winds 5 kt. Waves less than 1 ft. Numerous showers.
.TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Showers likely.
.WED...SE winds 5 kt. Waves less than 1 ft. Showers likely, mainly
in the morning.
.THU...NW winds 5 to 10 kt...becoming NE. Waves 1 ft. A chance of
showers.

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

$$

ANZ536-222000-
Tidal Potomac from Indian Head to Cobb Island-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms. Patchy fog. Vsby 1 NM or less.
.SUN...E winds 5 kt. Waves less than 1 ft. Scattered showers. Patchy
fog. Vsby 1 NM or less.
.SUN NIGHT...E winds around 5 kt. Waves 1 ft.
.MON...SE winds around 5 kt. Waves 1 ft.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE...E winds 5 kt. Waves less than 1 ft. Numerous showers.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...SE winds 5 kt. Waves less than 1 ft. Showers likely, mainly
in the morning.
.THU...SW winds 5 kt...becoming NW in the afternoon, then becoming
E. Waves 1 ft. A chance of showers.

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

$$

ANZ537-222000-
Tidal Potomac from Cobb Island to Smith Point-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Scattered showers and
tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 to 2 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ530-222000-
Chesapeake Bay north of Pooles Island-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Scattered showers and
tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 kt. Waves less than 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...E winds 5 to 10 kt...becoming NW in the afternoon, then
becoming NE. Waves 1 ft. A chance of showers.

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

$$

ANZ531-222000-
Chesapeake Bay from Pooles Island to Sandy Point-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Numerous showers and
scattered tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE...E winds 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...E winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.WED...SE winds 10 kt. Waves 1 ft. A chance of showers.
.THU...SE winds 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ538-222000-
Patapsco River including Baltimore Harbor-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Numerous showers
and scattered tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Patchy
fog.
.SUN NIGHT...E winds 5 kt. Waves less than 1 ft.
.MON...E winds 5 kt. Waves less than 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED...SE winds 5 to 10 kt. Waves 1 ft. Showers likely, mainly in
the morning.
.THU...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ539-222000-
Chester River to Queenstown MD-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 5 to 10 kt. Waves 1 ft. Numerous showers and
scattered tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 kt. Waves less than 1 ft.
.MON...E winds 5 kt. Waves less than 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...SE winds 5 to 10 kt...becoming SW in the afternoon, then
becoming E. Waves 1 ft. A chance of showers.

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

$$

ANZ532-222000-
Chesapeake Bay from Sandy Point to North Beach-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Scattered showers and
tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE...E winds 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...SE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of
showers.
.WED...SE winds 10 kt. Waves 1 to 2 ft. A chance of showers.
.THU...SE winds 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ540-222000-
Eastern Bay-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Numerous showers and
scattered tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 kt. Waves less than 1 ft.
.MON...E winds 5 kt. Waves less than 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...SE winds 10 kt...becoming W in the afternoon, then becoming
E. Waves 1 ft. A chance of showers.

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

$$

ANZ533-222000-
Chesapeake Bay from North Beach to Drum Point-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Scattered showers and
tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 NM
or less.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...SE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of
showers.
.WED...SE winds 10 kt. Waves 1 ft. A chance of showers.
.THU...SE winds 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ541-222000-
Choptank River to Cambridge MD and the Little Choptank River-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Numerous showers and
scattered tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 NM
or less.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 kt. Waves less than 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day.

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

$$

ANZ542-222000-
Patuxent River to Broomes Island MD-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds around 5 kt. Waves 1 ft.
.MON...E winds 5 kt. Waves less than 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...SE winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft.
A chance of showers.

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

$$

ANZ534-222000-
Chesapeake Bay from Drum Point to Smith Point-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 to 2 ft. Scattered showers and
tstms.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 2 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TUE NIGHT...SE winds 10 kt. Waves 1 to 2 ft. A chance of showers.
.WED...SE winds 10 kt. Waves 1 ft. A chance of showers.
.THU...SE winds 10 kt. Waves 1 to 2 ft. A chance of showers through
the day.

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

$$

ANZ543-222000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1229 AM EDT Sun Sep 22 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Scattered showers and
tstms. Vsby 1 NM or less.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 NM
or less.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...E winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...SE winds 10 kt. Waves 1 ft. A chance of showers in the
morning.

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

$$