Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 112250
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
650 PM EDT Thu Apr 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-
650 PM EDT Thu Apr 11 2024

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

Potent low pressure and its associated cold front will cross the
area tonight. A secondary cold front will cross the region late
Friday. High pressure will return by Saturday, then another frontal
system will likely approach Sunday into Monday. Small Craft
Advisories will likely be needed Saturday night through early Monday
 morning.

$$

ANZ535-120800-
Tidal Potomac from Key Bridge to Indian Head-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 15 to 20 kt with gusts to 35 kt. Waves 1 to 2 ft.
Scattered tstms. Showers. Patchy fog after midnight. Vsby 1 NM or
less.
.FRI...SW winds 10 kt with gusts to 20 kt... increasing to 15 to
20 kt with gusts to 40 kt in the late morning and afternoon. Waves
1 ft. Scattered showers.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 35 kt. Waves 1 ft.
Scattered showers.
.SAT...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 30 kt... diminishing
to 5 kt after midnight. Waves 1 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.MON...W winds 10 kt...becoming NE. Waves 1 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

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

$$

ANZ536-120800-
Tidal Potomac from Indian Head to Cobb Island-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 15 to 20 kt. Gusts up to 25 kt... increasing to
35 kt late this evening and overnight. Waves 2 to 3 ft...subsiding
to 1 ft late. Scattered tstms. Showers. Patchy fog after midnight.
Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt with gusts to 40 kt. Waves 2 ft.
Scattered showers.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 35 kt. Waves 1 to
2 ft. Scattered showers.
.SAT...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 30 kt... diminishing
to 5 kt after midnight. Waves 1 ft.
.SUN...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...W winds 5 to 10 kt...becoming E. Waves 1 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

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

$$

ANZ537-120800-
Tidal Potomac from Cobb Island to Smith Point-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt with gusts to 35 kt... diminishing to
15 kt with gusts to 30 kt late. Waves 3 ft. Scattered tstms.
Showers. Patchy fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt. Gusts up to 25 kt... increasing to
40 kt in the late morning and afternoon. Waves 2 ft. Scattered
showers and tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
Scattered showers.
.SAT...W winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON...NW winds 5 to 10 kt...becoming SE. Waves 1 to 2 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ530-120800-
Chesapeake Bay north of Pooles Island-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt with gusts to 35 kt. Waves 2 ft.
Scattered tstms. Showers. Patchy fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
Numerous showers. Vsby 1 NM or less.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
Scattered showers.
.SAT...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
Scattered showers.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 30 kt... diminishing
to 5 kt after midnight. Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.MON...W winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft
or less.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

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

$$

ANZ531-120800-
Chesapeake Bay from Pooles Island to Sandy Point-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt. Gusts up to 35 kt... increasing to
40 kt after midnight. Waves 3 ft. Scattered tstms. Showers. Patchy
fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt. Gusts up to 30 kt... increasing to
35 kt in the afternoon. Waves 3 ft. Numerous showers and scattered
tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 40 kt. Waves 3 ft.
Scattered showers.
.SAT...W winds 20 kt with gusts to 40 kt. Waves 3 ft. Scattered
showers.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 30 kt... diminishing
to 5 to 10 kt after midnight. Waves 3 ft...subsiding to 1 ft after
midnight.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.MON...W winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

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

$$

ANZ538-120800-
Patapsco River including Baltimore Harbor-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 kt with gusts to 35 kt. Waves 2 to 3 ft.
Scattered tstms. Showers. Patchy fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt. Gusts up to 30 kt... increasing to
35 kt in the afternoon. Waves 2 ft. Numerous showers and scattered
tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 40 kt. Waves 2 ft.
Scattered showers.
.SAT...W winds 20 kt with gusts to 40 kt. Waves 2 ft. Scattered
showers.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 30 kt... diminishing
to 5 to 10 kt after midnight. Waves 1 ft.
.SUN...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.MON...NW winds 5 to 10 kt...becoming E after midnight. Waves 1 ft
or less.
.TUE...SE winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.
A chance of showers through the night.

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

$$

ANZ539-120800-
Chester River to Queenstown MD-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt. Gusts up to 35 kt... increasing to
40 kt after midnight, then diminishing to 30 kt late. Waves 3 ft.
Scattered tstms. Showers. Patchy fog after midnight. Vsby 1 NM or
less.
.FRI...SW winds 15 to 20 kt. Gusts up to 30 kt... increasing to
35 kt late. Waves 2 ft. Numerous showers and scattered tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 40 kt. Waves 3 ft.
Scattered showers.
.SAT...W winds 20 kt with gusts to 40 kt. Waves 3 ft. Scattered
showers.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 30 kt in the evening.
Waves 2 to 3 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.MON...W winds 10 kt...becoming S. Waves 1 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

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

$$

ANZ532-120800-
Chesapeake Bay from Sandy Point to North Beach-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft.
Scattered tstms. Showers. Patchy fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt. Gusts up to 30 kt... increasing to
35 kt in the afternoon. Waves 3 ft. Scattered showers and tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 40 kt. Waves 2 to
3 ft. Scattered showers.
.SAT...W winds 15 to 20 kt with gusts to 40 kt. Waves 3 ft.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 30 kt in the evening.
Waves 1 to 2 ft.
.SUN...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft...
building to 3 ft in the afternoon.
.SUN NIGHT...SW winds 10 kt with gusts to 20 kt. Waves 2 to 3 ft. A
chance of showers.
.MON...W winds 10 kt...becoming SE. Waves 1 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.

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

$$

ANZ540-120800-
Eastern Bay-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...SE winds 20 to 25 kt with gusts to 40 kt... becoming S
30 kt after midnight, then diminishing to 20 kt with gusts to 30 kt
late. Waves 3 ft. Showers and scattered tstms. Patchy fog after
midnight. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt. Gusts up to 30 kt... increasing to
35 kt late. Waves 2 ft. Scattered showers and tstms.
.FRI NIGHT...W winds 15 to 20 kt. Gusts up to 35 kt... increasing to
40 kt late. Waves 2 ft. Scattered showers.
.SAT...W winds 15 to 20 kt with gusts to 40 kt. Waves 2 to 3 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 30 kt... diminishing
to 5 kt after midnight. Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.MON...W winds 10 kt...becoming S. Waves 1 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

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

$$

ANZ533-120800-
Chesapeake Bay from North Beach to Drum Point-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft.
Scattered tstms. Showers. Patchy fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt. Gusts up to 30 kt... increasing to
35 kt in the afternoon. Waves 2 ft. Scattered showers and tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 40 kt. Waves 2 to
3 ft. Scattered showers.
.SAT...W winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 30 kt in the evening.
Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON...W winds 5 to 10 kt...becoming SE. Waves 1 to 2 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
after midnight.

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

$$

ANZ541-120800-
Choptank River to Cambridge MD and the Little Choptank River-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt with gusts to 40 kt. Waves 2 ft...
except around 3 ft near the mouth of the Choptank. Showers and
scattered tstms. Patchy fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt. Gusts up to 30 kt... increasing to
35 kt in the afternoon. Waves 2 ft. Scattered showers and tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 40 kt. Waves 2 to
3 ft. Scattered showers.
.SAT...W winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 30 kt in the evening.
Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON...W winds 5 to 10 kt...becoming SE. Waves 1 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers after
midnight.

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

$$

ANZ542-120800-
Patuxent River to Broomes Island MD-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 15 to 20 kt with gusts to 35 kt. Waves 1 to 2 ft.
Scattered tstms. Showers. Patchy fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt. Gusts up to 25 kt... increasing to
40 kt in the late morning and afternoon. Waves 1 ft. Scattered
showers and tstms.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 35 kt. Waves 1 ft.
Scattered showers.
.SAT...W winds 15 to 20 kt with gusts to 30 kt. Waves 1 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 30 kt... diminishing
to 5 kt after midnight. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON...W winds 5 to 10 kt...becoming SE. Waves 1 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers after
midnight.

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

$$

ANZ534-120800-
Chesapeake Bay from Drum Point to Smith Point-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt. Gusts up to 40 kt... diminishing to
30 kt late. Waves 6 ft...subsiding to 4 ft late. Showers and
scattered tstms. Patchy fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt. Gusts up to 25 kt... increasing to
35 kt in the late morning and afternoon. Waves 3 ft. Scattered
showers.
.FRI NIGHT...W winds 20 kt with gusts to 40 kt. Waves 3 ft.
.SAT...W winds 15 to 20 kt. Gusts up to 40 kt... diminishing to
30 kt in the afternoon. Waves 3 ft.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 30 kt in the evening.
Waves 2 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft...
building to 3 ft in the afternoon.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
.MON...W winds 5 to 10 kt...becoming SE. Waves 1 to 2 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ543-120800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
650 PM EDT Thu Apr 11 2024

...GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON...

.TONIGHT...S winds 20 to 25 kt with gusts to 40 kt. Waves 3 ft.
Showers and scattered tstms. Patchy fog. Vsby 1 NM or less.
.FRI...SW winds 15 to 20 kt with gusts to 35 kt. Waves 2 to 3 ft.
Scattered showers.
.FRI NIGHT...W winds 15 to 20 kt with gusts to 40 kt. Waves 2 to
3 ft.
.SAT...W winds 15 to 20 kt. Gusts up to 40 kt... diminishing to
30 kt in the afternoon. Waves 2 to 3 ft.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 30 kt in the evening.
Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON...W winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 1 to
2 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 ft.

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

$$



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