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Deale, MD Coastal Forecast

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Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
139 PM EDT Fri May 30 2025

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. Waves flat where waters are iced over.

ANZ500-310800-
139 PM EDT Fri May 30 2025

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

A series of disturbances and fronts will continue to cross the area
through the Saturday, leading to periods of showers and
thunderstorms. High pressure builds in Sunday into early next week.
Additional Small Craft Advisories may be needed for portions of the
waters Saturday night into Sunday.

$$

ANZ535-310800-
Tidal Potomac from Key Bridge to Indian Head-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms. Vsby 1 NM or less.
.TONIGHT...S winds 5 to 10 kt with gusts to 20 kt... becoming W
15 to 20 kt with gusts to 35 kt after midnight. Waves 1 to 2 ft.
Showers with tstms likely. Vsby 1 NM or less.
.SAT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers
likely with a chance of tstms.
.SAT NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...NW winds around 5 kt. Waves 1 ft or less.
.MON...W winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-310800-
Tidal Potomac from Indian Head to Cobb Island-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 ft. A chance of
showers and tstms. Vsby 1 NM or less.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming W
20 to 25 kt with gusts to 35 kt after midnight. Waves 1 ft...
building to 3 ft after midnight. Showers with tstms likely. Vsby
1 NM or less.
.SAT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers likely with a chance of tstms. Vsby 1 NM or less.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds around 5 kt. Waves 1 ft.
.MON...W winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds around 5 kt. Waves 1 ft.

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

$$

ANZ537-310800-
Tidal Potomac from Cobb Island to Smith Point-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 ft or less. A chance
of showers with a slight chance of tstms. Vsby 1 NM or less.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt... becoming S
15 to 20 kt with gusts to 25 kt late in the evening, then becoming W
25 to 30 kt after midnight. Waves 2 ft...building to 4 ft after
midnight. Showers with tstms likely. Vsby 1 NM or less.
.SAT...W winds 20 to 25 kt with gusts to 35 kt... diminishing to
10 to 15 kt with gusts to 20 kt in the afternoon. Waves 4 ft...
subsiding to 2 ft in the afternoon. Showers likely with a chance of
tstms. Vsby 1 NM or less.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 to 10 kt...becoming NW after midnight. Waves
1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 kt. Waves less than 1 ft.

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

$$

ANZ530-310800-
Chesapeake Bay north of Pooles Island-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms. Vsby 1 NM or less.
.TONIGHT...SE winds 5 to 10 kt with gusts to 20 kt... becoming NE
10 to 15 kt with gusts to 25 kt after midnight, then becoming W
15 to 20 kt with gusts to 35 kt late. Waves 1 to 2 ft. Showers with
tstms likely. Vsby 1 NM or less.
.SAT...NW winds 20 to 25 kt with gusts to 35 kt... becoming W 10 to
15 kt with gusts to 25 kt in the late morning and afternoon. Waves
2 ft. Showers likely with a chance of tstms. Vsby 1 NM or less.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.SUN...W winds 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...W winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds around 5 kt. Waves 1 ft.

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

$$

ANZ531-310800-
Chesapeake Bay from Pooles Island to Sandy Point-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...S winds 5 to 10 kt. Waves 1 ft or less. A chance
of showers and tstms.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt... becoming SW
15 to 20 kt with gusts to 30 kt after midnight, then becoming W
20 to 25 kt with gusts to 35 kt late. Waves 2 to 3 ft. Showers with
tstms likely. Vsby 1 NM or less.
.SAT...NW winds 20 to 25 kt with gusts to 35 kt... becoming W 10 to
15 kt with gusts to 25 kt in the late morning and afternoon. Waves
2 to 3 ft. Showers likely with a chance of tstms. Vsby 1 NM or less.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.MON...W winds 5 kt. Waves less than 1 ft.
.TUE...SW winds around 5 kt. Waves flat.

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

$$

ANZ538-310800-
Patapsco River including Baltimore Harbor-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 ft or less. A chance
of showers and tstms.
.TONIGHT...SE winds 10 kt with gusts to 20 kt... becoming W 15 to
20 kt with gusts to 30 kt after midnight. Waves 1 to 2 ft. Showers
with tstms likely. Vsby 1 NM or less.
.SAT...W winds 15 to 20 kt. Gusts up to 30 kt... diminishing to
20 kt in the afternoon. Waves 1 to 2 ft. Showers likely with a
chance of tstms.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.SUN...W winds 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.
.MON...W winds around 5 kt. Waves flat.
.TUE...SW winds around 5 kt. Waves flat.

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

$$

ANZ539-310800-
Chester River to Queenstown MD-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...S winds 5 kt. Waves flat. A chance of showers and
tstms.
.TONIGHT...S winds 10 to 15 kt with gusts to 25 kt... becoming SW
15 to 20 kt with gusts to 30 kt after midnight, then becoming W
20 to 25 kt with gusts to 35 kt late. Waves 2 to 3 ft. Showers with
tstms likely. Vsby 1 NM or less.
.SAT...W winds 20 to 25 kt with gusts to 35 kt... diminishing to
15 kt with gusts to 20 kt in the afternoon. Waves 4 ft...subsiding
to 2 ft in the afternoon. Showers likely with a chance of tstms.
Vsby 1 NM or less.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers.
.SUN...W winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.MON...W winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds 5 kt. Waves flat.

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

$$

ANZ532-310800-
Chesapeake Bay from Sandy Point to North Beach-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 ft or less. A chance
of showers and tstms.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming SW
15 to 20 kt with gusts to 30 kt after midnight, then becoming W
20 to 25 kt with gusts to 35 kt late. Waves 2 to 3 ft. Showers with
tstms likely. Vsby 1 NM or less.
.SAT...W winds 20 to 25 kt with gusts to 35 kt... diminishing to
10 to 15 kt with gusts to 25 kt in the late morning and afternoon.
Waves 4 ft...subsiding to 2 ft in the afternoon. Showers likely with
a chance of tstms. Vsby 1 NM or less.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...W winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ540-310800-
Eastern Bay-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...S winds 5 kt. Waves flat. A chance of showers and
tstms.
.TONIGHT...S winds 10 to 15 kt with gusts to 25 kt... becoming SW
15 to 20 kt with gusts to 30 kt after midnight, then becoming W
20 to 25 kt with gusts to 35 kt late. Waves 2 to 3 ft. Showers with
tstms likely. Vsby 1 NM or less.
.SAT...W winds 20 to 25 kt with gusts to 35 kt... diminishing to
15 kt with gusts to 25 kt in the late morning and afternoon. Waves
2 to 3 ft. Showers likely with a chance of tstms. Vsby 1 NM or less.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.MON...W winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt. Waves flat.

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

$$

ANZ533-310800-
Chesapeake Bay from North Beach to Drum Point-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 ft or less. A chance
of showers and tstms. Vsby 1 NM or less.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming W
20 to 25 kt with gusts to 35 kt after midnight. Waves 2 to 3 ft.
Showers with tstms likely. Vsby 1 NM or less.
.SAT...W winds 20 to 25 kt with gusts to 35 kt... diminishing to
10 to 15 kt with gusts to 25 kt in the late morning and afternoon.
Waves 4 ft...subsiding to 2 ft in the afternoon. Showers likely with
a chance of tstms. Vsby 1 NM or less.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt...becoming NW after midnight. Waves
1 ft.
.MON...W winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ541-310800-
Choptank River to Cambridge MD and the Little Choptank River-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...SW winds 5 to 10 kt. Waves 1 ft or less. A chance
of showers and tstms. Vsby 1 NM or less.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming W
25 to 30 kt after midnight. Waves 2 to 3 ft. Showers with tstms
likely. Vsby 1 NM or less.
.SAT...W winds 20 to 25 kt with gusts to 35 kt... diminishing to
10 to 15 kt with gusts to 20 kt in the afternoon. Waves 4 ft...
subsiding to 2 ft in the afternoon. Showers likely with a chance of
tstms. Vsby 1 NM or less.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...S winds 5 to 10 kt...becoming NW after midnight. Waves
1 ft.
.MON...W winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ542-310800-
Patuxent River to Broomes Island MD-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 ft. A chance of
showers and tstms. Vsby 1 NM or less.
.TONIGHT...S winds 10 kt with gusts to 20 kt...becoming W 15 to
20 kt with gusts to 30 kt after midnight. Waves 1 ft. Showers with
tstms likely. Vsby 1 NM or less.
.SAT...W winds 15 to 20 kt with gusts to 30 kt... diminishing to
10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 ft.
Showers likely with a chance of tstms. Vsby 1 NM or less.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...W winds around 5 kt. Waves 1 ft.
.MON...NW winds around 5 kt. Waves 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ534-310800-
Chesapeake Bay from Drum Point to Smith Point-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. A chance of showers
and tstms. Vsby 1 NM or less.
.TONIGHT...S winds 15 to 20 kt with gusts to 25 kt... becoming W
25 to 30 kt after midnight. Waves 3 ft...building to 5 ft after
midnight. Showers with tstms likely. Vsby 1 NM or less.
.SAT...W winds 25 to 30 kt...diminishing to 15 to 20 kt with gusts
to 30 kt in the late morning and afternoon. Waves 5 ft...subsiding
to 3 ft in the afternoon. Showers likely with a chance of tstms.
Vsby 1 NM or less.
.SAT NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SUN...W winds 10 to 15 kt...becoming SW 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Waves 2 ft.
.SUN NIGHT...S winds 5 to 10 kt...becoming NW after midnight. Waves
1 ft.
.MON...N winds 5 to 10 kt...becoming S. Waves 1 ft.
.TUE...W winds 5 kt...becoming S. Waves 1 ft.

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

$$

ANZ543-310800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
139 PM EDT Fri May 30 2025

...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.THIS AFTERNOON...S winds 5 to 10 kt. Waves 1 ft. A chance of
showers and tstms. Vsby 1 NM or less.
.TONIGHT...S winds 15 to 20 kt with gusts to 25 kt... becoming W
25 to 30 kt after midnight. Waves 2 ft...building to 4 ft after
midnight. Showers with a chance of tstms. Vsby 1 NM or less.
.SAT...W winds 25 to 30 kt...diminishing to 15 to 20 kt with gusts
to 30 kt in the late morning and afternoon. Waves 4 ft...subsiding
to 2 ft in the afternoon. Showers likely with a chance of tstms.
Vsby 1 NM or less.
.SAT NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SUN...W winds 10 to 15 kt...becoming SW in the afternoon. Gusts up
to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...S winds 5 to 10 kt...becoming NW after midnight. Waves
1 ft.
.MON...NW winds 5 to 10 kt...becoming SW. Waves 1 ft.
.TUE...W winds 5 kt...becoming S. Waves 1 ft.

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

$$



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