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 130748
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
348 AM EDT Sat Apr 13 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.

ANZ500-132200-
348 AM EDT Sat Apr 13 2024

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

Low pressure will gradually shift away into southeastern Canada
while high pressure builds across the South through the first half
of the weekend. Another area of low pressure and its associated cold
 front will drop through the Mid-Atlantic Sunday night into Monday.
This front will likely stall just to the south Tuesday before
returning northward as a warm front by mid-week. Small Craft
Advisories will likely be needed Sunday into Monday.

$$

ANZ535-132200-
Tidal Potomac from Key Bridge to Indian Head-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 20 kt with gusts to 40 kt. Waves
2 ft. A slight chance of showers.
.TODAY...W winds 15 to 20 kt with gusts to 40 kt. Waves 2 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt... becoming W
5 to 10 kt in the late evening and overnight. Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 ft. A chance of showers.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...N winds 5 kt. Waves less than 1 ft.
.TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.WED...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 to
2 ft. A chance of showers.

$$

ANZ536-132200-
Tidal Potomac from Indian Head to Cobb Island-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 15 kt with gusts to 30 kt. Waves
2 ft. A slight chance of showers.
.TODAY...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 to 3 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 30 kt... becoming SW
5 kt late. Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.MON...W winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...NE winds 5 kt. Waves less than 1 ft.
.TUE...E winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.
A chance of showers through the night.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ537-132200-
Tidal Potomac from Cobb Island to Smith Point-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 20 kt with gusts to 35 kt. Waves
4 ft.
.TODAY...W winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 30 kt. Waves 3 ft...
subsiding to 1 ft after midnight.
.SUN...SW winds 10 to 15 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 25 kt. Waves 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...NE winds 5 kt. Waves less than 1 ft.
.TUE...E winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.
.WED...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 to
2 ft. A chance of showers.

$$

ANZ530-132200-
Chesapeake Bay north of Pooles Island-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 25 kt with gusts to 40 kt. Waves
3 ft. A chance of showers.
.TODAY...W winds 20 to 25 kt with gusts to 40 kt. Waves 3 ft. A
chance of showers.
.TONIGHT...W winds 15 to 20 kt with gusts to 35 kt... diminishing to
5 to 10 kt after midnight. Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
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 and tstms.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...N winds 5 kt. Waves less than 1 ft.
.TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers
after midnight.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the day. Showers likely through the night.

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

$$

ANZ531-132200-
Chesapeake Bay from Pooles Island to Sandy Point-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 25 kt with gusts to 40 kt. Waves
4 ft. A chance of showers.
.TODAY...W winds 20 to 25 kt. Gusts up to 45 kt... diminishing to
35 kt late. Waves 4 ft. A chance of showers.
.TONIGHT...W winds 15 to 20 kt with gusts to 35 kt... diminishing to
5 to 10 kt after midnight. Waves 4 ft...subsiding to 1 ft after
midnight.
.SUN...SW winds 10 to 15 kt. Gusts up to 25 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. A
chance of showers.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.TUE...E winds 5 kt...becoming S. Waves 1 ft. A chance of showers
after midnight.
.WED...S winds 5 to 10 kt...increasing to 10 to 15 kt. Waves 1 to
2 ft. A chance of showers through the day. Showers likely through
the night.

$$

ANZ538-132200-
Patapsco River including Baltimore Harbor-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 20 kt with gusts to 40 kt. Waves
2 ft. A chance of showers.
.TODAY...W winds 20 to 25 kt with gusts to 40 kt. Waves 3 ft. A
chance of showers.
.TONIGHT...W winds 15 to 20 kt with gusts to 30 kt... diminishing to
5 to 10 kt in the late evening and overnight. Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...N winds 5 kt. Waves less than 1 ft.
.TUE...E winds 5 to 10 kt...becoming SE. Waves 1 ft. A chance of
showers after midnight.
.WED...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers through the day, then showers likely through the
night.

$$

ANZ539-132200-
Chester River to Queenstown MD-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 25 kt with gusts to 40 kt. Waves
4 ft. A chance of showers.
.TODAY...W winds 20 to 25 kt. Gusts up to 45 kt... diminishing to
35 kt late. Waves 5 ft. A chance of showers.
.TONIGHT...NW winds 15 to 20 kt with gusts to 35 kt... becoming W
10 kt after midnight. Waves 4 ft...subsiding to 2 ft after midnight.
.SUN...SW winds 10 to 15 kt. Gusts up to 25 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. A
chance of showers.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...N winds 5 kt. Waves less than 1 ft.
.TUE...E winds 5 kt...becoming S. Waves 1 ft. A chance of showers
after midnight.
.WED...S winds 5 to 10 kt...increasing to 15 kt. Waves 1 to 2 ft. A
chance of showers.

$$

ANZ532-132200-
Chesapeake Bay from Sandy Point to North Beach-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 25 kt with gusts to 40 kt. Waves
4 ft. A chance of showers.
.TODAY...W winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt... becoming W
5 to 10 kt in the late evening and overnight. 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. Gusts up to 25 kt in the evening.
Waves 2 ft. A chance of showers.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...N winds 5 kt. Waves less than 1 ft.
.TUE...E winds 5 to 10 kt...becoming S. Waves 1 ft. A chance of
showers after midnight.
.WED...S winds 10 to 15 kt...becoming SW after midnight. Waves 2 to
3 ft. A chance of showers.

$$

ANZ540-132200-
Eastern Bay-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 25 kt with gusts to 40 kt. Waves
3 ft. A chance of showers.
.TODAY...W winds 20 to 25 kt with gusts to 40 kt. Waves 3 ft. A
chance of showers.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt... becoming W
10 kt with gusts to 20 kt in the late evening and overnight. 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. Waves 1 ft.
.MON NIGHT...N winds 5 kt. Waves less than 1 ft.
.TUE...E winds 5 kt...becoming S. Waves 1 ft. A chance of showers
after midnight.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ533-132200-
Chesapeake Bay from North Beach to Drum Point-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 25 kt with gusts to 40 kt. Waves
4 ft. A slight chance of showers.
.TODAY...W winds 20 to 25 kt. Gusts up to 40 kt... diminishing to
30 kt late. Waves 4 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 30 kt. 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 25 kt. Waves 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...NE winds 5 kt. Waves less than 1 ft.
.TUE...E winds 5 to 10 kt...becoming SE. Waves 1 to 2 ft. A chance
of showers after midnight.
.WED...S winds 10 to 15 kt...becoming SW after midnight. Waves 2 ft.
A chance of showers.

$$

ANZ541-132200-
Choptank River to Cambridge MD and the Little Choptank River-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 25 kt with gusts to 40 kt. Waves
4 ft. A slight chance of showers.
.TODAY...W winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt... becoming W
5 to 10 kt after midnight. Waves 3 ft...subsiding to 1 ft after
midnight.
.SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...NE winds 5 kt. Waves less than 1 ft.
.TUE...NE winds 5 kt...becoming S. Waves 1 ft. A chance of showers
after midnight.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ542-132200-
Patuxent River to Broomes Island MD-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 20 kt with gusts to 30 kt. Waves
1 ft.
.TODAY...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 30 kt... diminishing to
5 kt late. Waves 1 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...NE winds 5 kt. Waves less than 1 ft.
.TUE...E winds 5 to 10 kt...becoming S after midnight. Waves 1 ft. A
chance of showers after midnight.
.WED...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers.

$$

ANZ534-132200-
Chesapeake Bay from Drum Point to Smith Point-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 25 kt with gusts to 40 kt. Waves
5 ft.
.TODAY...W winds 20 to 25 kt. Gusts up to 40 kt... diminishing to
30 kt late. Waves 5 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 25 kt. Waves 4 ft...
subsiding to 2 ft after midnight.
.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 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...SE winds 5 to 10 kt...becoming 10 kt after midnight. Waves
1 to 2 ft.
.WED...S winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers.

$$

ANZ543-132200-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
348 AM EDT Sat Apr 13 2024

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.REST OF THE OVERNIGHT...W winds 25 kt with gusts to 40 kt. Waves
3 ft.
.TODAY...W winds 20 to 25 kt with gusts to 40 kt. Waves 3 ft.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 30 kt. Waves 1 to 2 ft.
.SUN...SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Waves 1 to 2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft.
.TUE...NE winds 5 to 10 kt...becoming SE. Waves 1 ft.
.WED...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.

$$



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