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Bladensburg, MD Coastal Forecast

FZUS51 KLWX 310038
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
738 PM EST Tue Dec 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.

ANZ500-310900-
738 PM EST Tue Dec 30 2025

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

Strong winds will persist across the waters in the wake of a cold
front overnight. A clipper low will approach the waters Wednesday
with gusty winds continuing across the waters. High pressure looks
to return by the end of the week. Small Craft Advisories may be
needed Thursday.

$$

ANZ535-310900-
Tidal Potomac from Key Bridge to Indian Head-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of flurries this evening, then a chance of light snow after
midnight.
.WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the late morning
and afternoon. Waves 1 ft. A chance of flurries.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of flurries.
.THU...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A
chance of flurries.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...SW winds around 5 kt. Waves 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves 1 ft.
.SAT...N winds around 5 kt. Waves 1 ft.
.SUN...SW winds around 5 kt. Waves 1 ft.

$$

ANZ536-310900-
Tidal Potomac from Indian Head to Cobb Island-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...W winds 5 to 10 kt...becoming SW late. Waves 1 ft. A
chance of light snow after midnight.
.WED...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of flurries.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of sprinkles
and flurries.
.THU...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. A
chance of flurries.
.THU NIGHT...N winds 5 to 10 kt...becoming E after midnight. Waves
1 ft.
.FRI...S winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves 1 ft.
.SAT...N winds around 5 kt. Waves 1 ft.
.SUN...W winds around 5 kt. Waves 1 ft.

$$

ANZ537-310900-
Tidal Potomac from Cobb Island to Smith Point-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 10 to 15 kt...becoming SW late. Gusts up to
20 kt. Waves 1 to 2 ft. A chance of flurries after midnight.
.WED...SW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance
of flurries.
.WED NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of sprinkles.
.THU...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A
chance of flurries.
.THU NIGHT...NW winds 10 to 15 kt...becoming N 5 to 10 kt after
midnight. Waves 1 to 2 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds 5 kt. Waves less than 1 ft.
.SAT...N winds 5 kt. Waves less than 1 ft.
.SUN...E winds around 5 kt. Waves 1 ft or less.

$$

ANZ530-310900-
Chesapeake Bay north of Pooles Island-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
A chance of light snow after midnight.
.WED...SW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft. A chance
of light snow.
.WED NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 ft. A chance of flurries and sprinkles.
.THU...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A
chance of flurries.
.THU NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...W winds around 5 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...W winds around 5 kt. Waves 1 ft.

$$

ANZ531-310900-
Chesapeake Bay from Pooles Island to Sandy Point-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 15 kt with gusts to 25 kt. Waves 2 to 3 ft. A
chance of light snow after midnight.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of light snow.
.WED NIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 1 to 2 ft. A chance of sprinkles and flurries.
.THU...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of flurries.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...W winds 5 kt. Waves less than 1 ft.

$$

ANZ538-310900-
Patapsco River including Baltimore Harbor-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 20 kt with gusts to 30 kt...diminishing to 10 kt
with gusts to 20 kt late this evening and overnight. Waves 1 ft. A
chance of light snow after midnight.
.WED...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of light snow.
.WED NIGHT...SW winds 10 to 15 kt. Waves 1 ft. A chance of flurries
and sprinkles.
.THU...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A
chance of flurries.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt...becoming W
5 kt after midnight. Waves 1 ft.
.FRI...SW winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves flat.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...W winds around 5 kt. Waves flat.

$$

ANZ539-310900-
Chester River to Queenstown MD-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 15 kt with gusts to 25 kt. Waves 2 to 3 ft. A
chance of light snow after midnight.
.WED...SW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft. A chance
of light snow.
.WED NIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 1 to 2 ft. A chance of sprinkles and flurries.
.THU...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of flurries.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...W winds around 5 kt. Waves 1 ft or less.

$$

ANZ532-310900-
Chesapeake Bay from Sandy Point to North Beach-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
A chance of light snow after midnight.
.WED...SW winds 10 kt with gusts to 20 kt. Waves 2 ft. A chance of
light snow.
.WED NIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 2 ft. A chance of sprinkles and flurries.
.THU...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of flurries.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt...becoming SW. Waves 1 ft.

$$

ANZ540-310900-
Eastern Bay-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of light snow after midnight.
.WED...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of light snow.
.WED NIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 1 to 2 ft. A chance of sprinkles and flurries.
.THU...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of flurries.
.THU NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...W winds 5 kt. Waves less than 1 ft.

$$

ANZ533-310900-
Chesapeake Bay from North Beach to Drum Point-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
A chance of flurries after midnight.
.WED...SW winds 10 kt with gusts to 20 kt. Waves 2 ft. A chance of
flurries.
.WED NIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 2 ft. A chance of sprinkles and flurries.
.THU...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A
chance of flurries.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt...becoming S. Waves 1 ft.

$$

ANZ541-310900-
Choptank River to Cambridge MD and the Little Choptank River-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
A chance of flurries after midnight.
.WED...SW winds 10 kt with gusts to 20 kt. Waves 2 ft. A chance of
flurries.
.WED NIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 2 ft. A chance of sprinkles.
.THU...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of flurries.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds around 5 kt...becoming S after midnight. Waves 1 ft.


$$

ANZ542-310900-
Patuxent River to Broomes Island MD-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of flurries after midnight.
.WED...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of flurries.
.WED NIGHT...SW winds 10 to 15 kt. Waves 1 ft. A chance of sprinkles
and flurries.
.THU...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A
chance of flurries.
.THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves 1 ft.
.SAT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...E winds 5 kt. Waves less than 1 ft.

$$

ANZ534-310900-
Chesapeake Bay from Drum Point to Smith Point-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 15 kt with gusts to 25 kt. Waves 2 to 3 ft. A
chance of flurries after midnight.
.WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of flurries.
.WED NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of sprinkles.
.THU...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. A
chance of flurries.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SW winds 5 kt...becoming NW after midnight. Waves 1 ft.
.SAT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt...becoming S. Waves 1 ft.

$$

ANZ543-310900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
738 PM EST Tue Dec 30 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.
A chance of flurries after midnight.
.WED...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of flurries.
.WED NIGHT...SW winds 15 to 20 kt...becoming W late. Gusts up to
25 kt. Waves 2 ft. A chance of sprinkles.
.THU...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A
chance of flurries.
.THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SW winds 5 kt...becoming NW after midnight. Waves 1 ft.
.SAT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt...becoming SE. Waves 1 ft or less.

$$



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