Coastal Waters Forecast
Issued by NWS Sterling, VA

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186
FZUS51 KLWX 120536
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
135 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-
135 AM EDT Sun May 12 2024

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

A low pressure system will pass to the north through Sunday. High
pressure will move overhead Sunday night 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 Wednesday night.

$$

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

.OVERNIGHT...S winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms. Vsby 1 NM or less.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...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 with gusts to 25 kt. Waves 1 to 2 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 5 to 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.

$$

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

.OVERNIGHT...SW winds 10 kt. Waves 1 ft. Scattered showers with
isolated tstms. Vsby 1 NM or less.
.SUN...NW winds 5 to 10 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 ft.
.SUN NIGHT...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 with gusts to 25 kt. Waves 1 to 2 ft.
Showers likely.
.TUE NIGHT...S winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft. Showers with a chance of tstms.
.WED...SE 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-
135 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers with isolated tstms. Vsby 1 NM or less.
.SUN...W winds 10 to 15 kt...becoming NW late. Gusts up to 20 kt.
Waves 1 to 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt...becoming SE after midnight. Waves
1 to 2 ft.
.MON...S winds 10 to 15 kt. Gusts up to 20 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 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers likely.
.TUE NIGHT...S winds 15 to 20 kt. Waves 2 to 3 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-
135 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...SE winds 15 kt with gusts to 20 kt. Waves 1 ft. Showers
with isolated tstms. Vsby 1 NM or less.
.SUN...SE winds 5 to 10 kt...becoming NE in the afternoon. Waves
1 ft. Numerous showers. Vsby 1 NM or less.
.SUN NIGHT...SE winds 5 to 10 kt. 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 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers likely.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 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.

$$

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

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers with isolated tstms. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft.
Numerous showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 15 to 20 kt. Waves 2 ft.
.TUE...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers likely.
.TUE NIGHT...S winds 15 to 20 kt...becoming SE 10 kt after midnight.
Gusts up to 25 kt. Waves 2 to 3 ft. Showers with a chance of tstms.
.WED...NE winds 10 kt...becoming N after midnight. 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-
135 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...S winds 15 kt with gusts to 20 kt. Waves 1 ft. Showers
with isolated tstms. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt...becoming NE late. Waves 1 ft. Numerous
showers.
.SUN NIGHT...E winds 5 to 10 kt. 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 1 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 1 ft.
Showers with a chance of tstms.
.WED...NE winds 10 kt...becoming N after midnight. 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-
135 AM EDT Sun May 12 2024

.OVERNIGHT...SE winds 15 kt with gusts to 20 kt. Waves 1 ft. Showers
with isolated tstms. Vsby 1 NM or less.
.SUN...SW winds 5 to 10 kt...becoming N in the afternoon. Waves
1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 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 with gusts to 25 kt. Waves 2 ft. Showers
likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 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-
135 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft. Showers
with isolated tstms. Vsby 1 NM or less.
.SUN...W winds 10 kt...becoming N late. Waves 1 to 2 ft. Scattered
showers.
.SUN NIGHT...E winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 15 to 20 kt. Waves 3 ft.
.TUE...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers likely.
.TUE NIGHT...S winds 15 to 20 kt...diminishing to 10 kt after
midnight. Gusts up to 25 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-
135 AM EDT Sun May 12 2024

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Showers with isolated
tstms. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt...becoming NW in the afternoon. Waves
1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt with gusts to 20 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 25 kt. Waves 1 to 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...E 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-
135 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft. Numerous
showers with isolated tstms. Vsby 1 NM or less.
.SUN...W winds 10 kt...becoming N late. Waves 1 to 2 ft. Scattered
showers.
.SUN NIGHT...E winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 15 to 20 kt. Waves 3 ft.
.TUE...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers likely.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 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-
135 AM EDT Sun May 12 2024

.OVERNIGHT...SE winds 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers with isolated tstms. Vsby 1 NM or less.
.SUN...W winds 10 kt...becoming N late. Waves 1 ft. Scattered
showers.
.SUN NIGHT...E winds 5 to 10 kt...becoming SE late. Waves 1 ft.
.MON...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...S winds 15 to 20 kt. Waves 2 ft.
.TUE...S winds 15 to 20 kt with gusts to 25 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-
135 AM EDT Sun May 12 2024

.OVERNIGHT...S winds 10 kt. Waves 1 ft. Showers with isolated tstms.
Vsby 1 NM or less.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...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 10 kt with gusts to 20 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 25 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...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-
135 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
Numerous showers with isolated tstms. Vsby 1 NM or less.
.SUN...W winds 10 to 15 kt...becoming NW in the afternoon. Gusts up
to 20 kt. Waves 2 ft. Scattered showers.
.SUN NIGHT...N winds 10 to 15 kt with gusts to 20 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. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft.
.MON NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.TUE...S winds 15 to 20 kt with gusts to 25 kt. Waves 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-
135 AM EDT Sun May 12 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.OVERNIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft. Numerous
showers with isolated tstms. Vsby 1 NM or less.
.SUN...W winds 10 to 15 kt...becoming NW late. Gusts up to 20 kt.
Waves 1 ft. Scattered showers.
.SUN NIGHT...NE winds 5 to 10 kt with gusts to 20 kt...becoming E
late. Waves 1 ft.
.MON...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft.
.MON NIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A chance
of showers.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 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.

$$