Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 121435
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1034 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.

ANZ500-122000-
1034 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.

$$

ANZ535-122000-
Tidal Potomac from Key Bridge to Indian Head-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.REST OF TODAY...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. A
slight chance of showers late this morning, then a slight chance of
showers and tstms this afternoon.
.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.

$$

ANZ536-122000-
Tidal Potomac from Indian Head to Cobb Island-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.REST OF TODAY...NW winds 10 to 15 kt with gusts to 20 kt. Waves
1 ft. A slight chance of showers this afternoon.
.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.

$$

ANZ537-122000-
Tidal Potomac from Cobb Island to Smith Point-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.REST OF TODAY...NW winds 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 2 ft. A slight chance of showers and tstms this
afternoon.
.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 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.

$$

ANZ530-122000-
Chesapeake Bay north of Pooles Island-
1034 AM EDT Sun May 12 2024

.REST OF TODAY...NW winds 10 kt...becoming NE late. Waves 1 ft. A
chance of showers with a slight chance of tstms late this morning,
then showers with a chance of tstms this afternoon with vsby 1 NM or
less.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft.
.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 to 2 ft. Showers likely .
.THU...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ531-122000-
Chesapeake Bay from Pooles Island to Sandy Point-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...NW winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. A chance of showers with a slight chance of tstms late
this morning, then showers likely with a slight chance of tstms this
afternoon with 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.

$$

ANZ538-122000-
Patapsco River including Baltimore Harbor-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...NW winds 10 kt. Gusts up to 20 kt this afternoon.
Waves 1 ft. A slight chance of tstms. A chance of showers late this
morning, then showers likely this afternoon.
.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 or less.
.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.

$$

ANZ539-122000-
Chester River to Queenstown MD-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...NW winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. A slight chance of tstms. A chance of showers late this
morning, then showers likely this afternoon.
.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 to
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...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.

$$

ANZ532-122000-
Chesapeake Bay from Sandy Point to North Beach-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...NW winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. A slight chance of tstms. A slight chance of showers late
this morning, then a chance of showers this afternoon.
.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.

$$

ANZ540-122000-
Eastern Bay-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...NW winds 10 to 15 kt with gusts to 20 kt. Waves
1 ft. A slight chance of tstms. A slight chance of showers late this
morning, then showers likely this afternoon.
.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.

$$

ANZ533-122000-
Chesapeake Bay from North Beach to Drum Point-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.REST OF TODAY...NW winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. A chance of showers with a slight chance of tstms this
afternoon.
.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.

$$

ANZ541-122000-
Choptank River to Cambridge MD and the Little Choptank River-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.REST OF TODAY...NW winds 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers with a slight chance of tstms this
afternoon.
.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.

$$

ANZ542-122000-
Patuxent River to Broomes Island MD-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.REST OF TODAY...NW winds 10 to 15 kt with gusts to 20 kt. Waves
1 ft. A chance of showers with a slight chance of tstms this
afternoon.
.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.

$$

ANZ534-122000-
Chesapeake Bay from Drum Point to Smith Point-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.REST OF TODAY...NW winds 15 kt with gusts to 20 kt. Waves 2 to
3 ft. A chance of showers with a slight chance of tstms this
afternoon.
.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.

$$

ANZ543-122000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1034 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.REST OF TODAY...NW winds 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers with a slight chance of tstms this
afternoon.
.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.

$$