Coastal Waters Forecast
Issued by NWS Sterling, VA

Home |  Current Version |  Previous Version |  Graphics & Text |  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
072
FZUS51 KLWX 041435
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1035 AM EDT Thu Jul 4 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.

ANZ500-042000-
1035 AM EDT Thu Jul 4 2024

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

Strong high pressure will linger offshore through Thursday. A cold
front nears the waters Friday into Saturday before stalling out
early next week.

$$

ANZ535-042000-
Tidal Potomac from Key Bridge to Indian Head-
1035 AM EDT Thu Jul 4 2024

.REST OF TODAY...SW winds 5 kt. Waves less than 1 ft. Scattered
showers and tstms this afternoon.
.TONIGHT...SW winds around 5 kt. Waves 1 ft. Scattered showers and
tstms.
.FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.SAT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...NE winds around 5 kt. Waves 1 ft or less.
.MON...SE winds around 5 kt. Waves 1 ft or less.

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

$$

ANZ536-042000-
Tidal Potomac from Indian Head to Cobb Island-
1035 AM EDT Thu Jul 4 2024

.REST OF TODAY...S winds 5 kt. Waves less than 1 ft. Scattered
showers and tstms this afternoon.
.TONIGHT...SW winds around 5 kt. Waves 1 ft. Scattered showers and
tstms. Patchy fog. Vsby 1 to 3 NM.
.FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.SAT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SUN...NE winds around 5 kt. Waves 1 ft or less.
.MON...SE winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms through the night.

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

$$

ANZ537-042000-
Tidal Potomac from Cobb Island to Smith Point-
1035 AM EDT Thu Jul 4 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING...

.REST OF TODAY...S winds 10 kt. Gusts up to 20 kt this afternoon.
Waves 1 to 2 ft. Scattered showers and tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt early in the
evening. Waves 1 to 2 ft. Scattered showers and tstms. Patchy fog.
Vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...E winds around 5 kt. Waves 1 ft or less.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms through the night.

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

$$

ANZ530-042000-
Chesapeake Bay north of Pooles Island-
1035 AM EDT Thu Jul 4 2024

.REST OF TODAY...SW winds 5 kt. Waves less than 1 ft. Scattered
showers and tstms this afternoon.
.TONIGHT...SW winds around 5 kt. Waves 1 ft or less. Scattered
showers and tstms.
.FRI...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers and tstms.
.SUN...W winds around 5 kt. Waves flat.
.MON...SE winds around 5 kt. Waves flat.

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

$$

ANZ531-042000-
Chesapeake Bay from Pooles Island to Sandy Point-
1035 AM EDT Thu Jul 4 2024

.REST OF TODAY...S winds 10 kt. Waves 1 ft. Scattered showers and
tstms this afternoon.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SW winds around 5 kt. Waves 1 ft or less.
.MON...SE winds around 5 kt...becoming S. Waves 1 ft or less.

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

$$

ANZ538-042000-
Patapsco River including Baltimore Harbor-
1035 AM EDT Thu Jul 4 2024

.REST OF TODAY...S winds 5 kt. Waves less than 1 ft. Scattered
showers and tstms this afternoon.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...S winds 5 kt. Waves less than 1 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SUN...W winds around 5 kt. Waves flat.
.MON...SE winds around 5 kt. Waves 1 ft or less.

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

$$

ANZ539-042000-
Chester River to Queenstown MD-
1035 AM EDT Thu Jul 4 2024

.REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft. Scattered showers
and tstms this afternoon.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.SAT NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SUN...SW winds around 5 kt. Waves 1 ft or less.
.MON...S winds around 5 kt. Waves 1 ft or less.

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

$$

ANZ532-042000-
Chesapeake Bay from Sandy Point to North Beach-
1035 AM EDT Thu Jul 4 2024

.REST OF TODAY...S winds 10 kt. Waves 1 ft. Scattered showers and
tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers and tstms.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SE winds around 5 kt. Waves 1 ft or less.
.MON...SE winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ540-042000-
Eastern Bay-
1035 AM EDT Thu Jul 4 2024

.REST OF TODAY...S winds 10 kt. Waves 1 ft. Scattered showers and
tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance
of tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...W winds around 5 kt. Waves 1 ft or less.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ533-042000-
Chesapeake Bay from North Beach to Drum Point-
1035 AM EDT Thu Jul 4 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING...

.REST OF TODAY...S winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
Scattered showers and tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. Scattered showers
and tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SE winds around 5 kt. Waves 1 ft or less.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ541-042000-
Choptank River to Cambridge MD and the Little Choptank River-
1035 AM EDT Thu Jul 4 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING...

.REST OF TODAY...S winds 10 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers and tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms. Patchy fog. Vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...S winds 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...W winds around 5 kt. Waves 1 ft or less.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ542-042000-
Patuxent River to Broomes Island MD-
1035 AM EDT Thu Jul 4 2024

.REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft. Scattered showers
and tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...E winds around 5 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ534-042000-
Chesapeake Bay from Drum Point to Smith Point-
1035 AM EDT Thu Jul 4 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...S winds 10 to 15 kt. Gusts up to 20 kt...
increasing to 25 kt late. Waves 2 to 3 ft. Isolated showers and
tstms this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
Scattered showers and tstms. Patchy fog. Vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.FRI NIGHT...S winds 10 to 15 kt. Waves 2 ft. A chance of showers
and tstms.
.SAT...S winds 10 to 15 kt. Waves 2 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 2 ft. A chance of showers
and tstms.
.SUN...NW winds 5 to 10 kt...becoming S. Waves 1 ft. A chance of
showers in the morning.
.MON...S winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ543-042000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1035 AM EDT Thu Jul 4 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...S winds 10 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Scattered showers and tstms. Patchy fog. Vsby 1 to 3 NM.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers and tstms.
.SAT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers and tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...NW winds 5 to 10 kt...becoming S. Waves 1 ft. A chance of
showers in the morning.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

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

$$