Coastal Waters Forecast
Issued by NWS Sterling, VA

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418
FZUS51 KLWX 120843
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
443 AM EDT Sun May 12 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.

ANZ500-122300-
443 AM EDT Sun May 12 2024

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

A cold front will pass through the area today. High pressure will
move overhead tonight 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 Thursday.

$$

ANZ535-122300-
Tidal Potomac from Key Bridge to Indian Head-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

.REST OF THE OVERNIGHT...SW winds 5 kt. Waves less than 1 ft.
.TODAY...W winds 10 to 15 kt with gusts to 20 kt...becoming NW with
gusts to 20 kt late. Waves 1 ft.
.TONIGHT...N winds 5 to 10 kt...becoming E 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 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE NIGHT...SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers with a chance of tstms.
.WED...NE winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of tstms. Showers likely .
.THU...N winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.

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

$$

ANZ536-122300-
Tidal Potomac from Indian Head to Cobb Island-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

.REST OF THE OVERNIGHT...SW winds 10 kt. Waves 1 ft.
.TODAY...W winds 10 to 15 kt with gusts to 20 kt...becoming NW with
gusts to 20 kt late. Waves 1 ft.
.TONIGHT...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 ft. Showers likely.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers with a chance of tstms.
.WED...S winds 5 to 10 kt...becoming N. Waves 1 ft. A chance of
tstms. Showers likely through the day, then a chance of showers
through the night.
.THU...N winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.

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

$$

ANZ537-122300-
Tidal Potomac from Cobb Island to Smith Point-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

.REST OF THE OVERNIGHT...SW winds 10 kt with gusts to 20 kt. Waves
2 ft. A chance of showers. Vsby 1 to 3 NM.
.TODAY...W winds 10 to 15 kt...becoming NW 15 to 20 kt with gusts to
25 kt in the afternoon. Waves 2 ft.
.TONIGHT...N winds 10 to 15 kt...becoming E 5 to 10 kt in the late
evening and overnight. Waves 1 to 2 ft.
.MON...S winds around 5 kt...becoming SE 10 to 15 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 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers likely.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers with a chance of tstms.
.WED...S winds 10 kt...becoming N. Waves 1 to 2 ft. A chance of
tstms. Showers likely .
.THU...N winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 to 2 ft.


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

$$

ANZ530-122300-
Chesapeake Bay north of Pooles Island-
443 AM EDT Sun May 12 2024

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...S winds 5 to 10 kt...becoming N in the late morning and
afternoon. Waves 1 ft. Showers with a chance of tstms. Vsby 1 NM or
less.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers
likely.
.TUE NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers.
.WED...NE winds 10 kt. Waves 1 ft. Showers likely .
.THU...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ531-122300-
Chesapeake Bay from Pooles Island to Sandy Point-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 4 PM EDT THIS
AFTERNOON...

.REST OF THE OVERNIGHT...S winds 15 kt. Waves 2 ft.
.TODAY...W winds 10 to 15 kt...becoming N late. Gusts up to 20 kt.
Waves 1 to 2 ft. Showers likely. Vsby 1 NM or less.
.TONIGHT...E winds 5 to 10 kt...becoming SE late. Waves 1 ft. A
chance of showers.
.MON...S winds 10 to 15 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers
likely.
.TUE NIGHT...SE winds 15 to 20 kt. Gusts up to 25 kt in the evening.
Waves 2 ft. Showers with a chance of tstms.
.WED...NE winds 10 kt. Waves 1 to 2 ft. A chance of tstms. Showers
likely .
.THU...NE winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ538-122300-
Patapsco River including Baltimore Harbor-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 4 PM EDT THIS
AFTERNOON...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...NW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft. Showers likely.
.TONIGHT...E winds 5 to 10 kt...becoming SE late. Waves 1 ft or
less. A chance of showers.
.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 ft. Showers likely.
.TUE NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers with a chance of tstms.
.WED...NE winds 10 kt. Waves 1 ft. A chance of tstms. Showers likely
.
.THU...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ539-122300-
Chester River to Queenstown MD-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 4 PM EDT THIS
AFTERNOON...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft.
.TODAY...W winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to
20 kt in the afternoon. Waves 1 to 2 ft. Showers likely.
.TONIGHT...E winds 5 to 10 kt...becoming SE late. Waves 1 ft. A
chance of showers.
.MON...S winds 5 to 10 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 with gusts to 20 kt. Waves 2 ft. Showers
likely.
.TUE NIGHT...S winds 15 to 20 kt...becoming SE 10 kt after midnight.
Waves 1 to 2 ft. Showers.
.WED...NE winds 10 kt...becoming N after midnight. Waves 1 to 2 ft.
A chance of tstms. Showers likely .
.THU...N winds 5 to 10 kt...becoming E after midnight. Waves 1 to
2 ft.

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

$$

ANZ532-122300-
Chesapeake Bay from Sandy Point to North Beach-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 4 PM EDT THIS
AFTERNOON...

.REST OF THE OVERNIGHT...SW winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TODAY...W winds 10 to 15 kt...becoming N late. Gusts up to 20 kt.
Waves 2 ft. A chance of showers.
.TONIGHT...NE winds 5 to 10 kt...becoming SE after midnight. Waves
1 to 2 ft.
.MON...S winds 10 to 15 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers
likely.
.TUE NIGHT...S winds 15 to 20 kt. Waves 2 to 3 ft. Showers with a
chance of tstms.
.WED...E winds 10 kt...becoming N. Waves 1 to 2 ft. A chance of
tstms. Showers likely .
.THU...N winds 10 kt...becoming E after midnight. Waves 1 to 2 ft.

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

$$

ANZ540-122300-
Eastern Bay-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 4 PM EDT THIS
AFTERNOON...

.REST OF THE OVERNIGHT...S winds 10 kt. Waves 1 ft. A slight chance
of showers.
.TODAY...W winds 10 to 15 kt...becoming N late. Gusts up to 20 kt.
Waves 1 ft. Showers likely.
.TONIGHT...E winds 5 to 10 kt...becoming SE late. Waves 1 ft. A
chance of showers.
.MON...S winds 5 to 10 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 with gusts to 20 kt. Waves 1 ft. Showers
likely.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Showers with a chance of tstms.
.WED...NE winds 10 kt...becoming N. Waves 1 ft. A chance of tstms.
Showers likely .
.THU...N winds 10 kt...becoming E after midnight. Waves 1 ft.

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

$$

ANZ533-122300-
Chesapeake Bay from North Beach to Drum Point-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

.REST OF THE OVERNIGHT...SW winds 15 kt with gusts to 20 kt. Waves
2 ft. A chance of showers. Vsby 1 to 3 NM.
.TODAY...W winds 10 to 15 kt...becoming NW late. Gusts up to 20 kt.
Waves 1 to 2 ft. A chance of showers.
.TONIGHT...N winds 10 to 15 kt...becoming E 5 to 10 kt in the late
evening and overnight. Waves 1 to 2 ft.
.MON...S winds 10 to 15 kt. 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 ft. Showers likely.
.TUE NIGHT...S winds 15 to 20 kt. Waves 2 to 3 ft. Showers with a
chance of tstms.
.WED...SE winds 10 kt...becoming N. Waves 2 ft. A chance of tstms.
Showers likely .
.THU...N winds 10 kt...becoming E after midnight. Waves 1 to 2 ft.

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

$$

ANZ541-122300-
Choptank River to Cambridge MD and the Little Choptank River-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

.REST OF THE OVERNIGHT...S winds 10 kt with gusts to 20 kt. Waves
2 ft. A chance of showers. Vsby 1 to 3 NM.
.TODAY...W winds 10 to 15 kt...becoming NW in the afternoon. Gusts
up to 20 kt. Waves 1 to 2 ft. A chance of showers.
.TONIGHT...NE winds 5 to 10 kt...becoming SE after midnight. 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 2 ft.
.TUE...S winds 15 to 20 kt. Waves 2 ft. Showers likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Showers with a chance of tstms.
.WED...SE winds 10 kt...becoming N. Waves 1 ft. A chance of tstms.
Showers likely .
.THU...N winds 10 kt...becoming E after midnight. Waves 1 to 2 ft.

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

$$

ANZ542-122300-
Patuxent River to Broomes Island MD-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

.REST OF THE OVERNIGHT...SW winds 10 kt. Waves 1 ft. A chance of
showers. Vsby 1 to 3 NM.
.TODAY...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.TONIGHT...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 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE NIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
with a chance of tstms.
.WED...SE winds 10 kt...becoming N. Waves 1 ft. A chance of tstms.
Showers likely .
.THU...N winds 5 to 10 kt...becoming E after midnight. Waves 1 ft.

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

$$

ANZ534-122300-
Chesapeake Bay from Drum Point to Smith Point-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

.REST OF THE OVERNIGHT...SW winds 15 kt with gusts to 25 kt. Waves
3 ft. Showers likely. Vsby 1 to 3 NM.
.TODAY...W winds 10 to 15 kt...becoming NW in the afternoon. Gusts
up to 20 kt. Waves 2 to 3 ft. A chance of showers.
.TONIGHT...N winds 10 to 15 kt...becoming E 5 to 10 kt in the late
evening and overnight. Waves 1 to 2 ft.
.MON...SE winds 10 to 15 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 likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Showers with a chance of tstms.
.WED...S winds 10 kt...becoming N. Waves 2 ft. A chance of tstms.
Showers likely .
.THU...N winds 10 kt...becoming E after midnight. Waves 1 to 2 ft.

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

$$

ANZ543-122300-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
443 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

.REST OF THE OVERNIGHT...S winds 15 kt with gusts to 25 kt. Waves
2 ft. Showers likely. Vsby 1 to 3 NM.
.TODAY...SW winds 10 to 15 kt...becoming NW in the late morning and
afternoon. Gusts up to 20 kt. Waves 1 to 2 ft. A chance of showers.
.TONIGHT...N winds 10 to 15 kt...becoming E 5 to 10 kt in the late
evening and overnight. Waves 1 to 2 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 2 ft.
.TUE...S winds 15 to 20 kt. Waves 2 ft. A chance of showers.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Showers.
.WED...SW winds 10 kt...becoming N. Waves 1 to 2 ft. A chance of
tstms. Showers likely .
.THU...NE winds 10 kt. Waves 1 ft.

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

$$