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Arlington, VA Coastal Forecast

FZUS51 KLWX 032334
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Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
634 PM EST Mon Mar 3 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.

ANZ500-040900-
634 PM EST Mon Mar 3 2025

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

An area of high pressure builds across the region through Tuesday,
then a strong cold front is forecast to move across the local area
Wednesday into Thursday. Brief high pressure returns Friday before
another front passes through this upcoming weekend. Small Craft
Advisories are likely needed for an extended period this week, from
Tuesday through Friday. Gale conditions are possible Wednesday
afternoon, and again Thursday afternoon into Thursday night.

$$

ANZ535-040900-
Tidal Potomac from Key Bridge to Indian Head-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft.
.TUE NIGHT...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.WED...S winds 10 to 15 kt with gusts to 30 kt. Waves 1 to 2 ft.
Showers.
.WED NIGHT...S winds 10 to 15 kt...becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 1 ft. Showers with a chance of
tstms.
.THU...W winds 10 to 15 kt. Gusts up to 25 kt... increasing to 40 kt
in the afternoon. Waves 1 ft.
.THU NIGHT...NW winds 10 to 15 kt. Gusts up to 35 kt...diminishing
to 20 kt after midnight. Waves 1 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
A chance of rain in the morning.

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

$$

ANZ536-040900-
Tidal Potomac from Indian Head to Cobb Island-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.WED...S winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft.
Showers.
.WED NIGHT...S winds 15 to 20 kt with gusts to 25 kt...becoming SW
10 kt after midnight. Waves 1 to 2 ft. Showers likely with a chance
of tstms.
.THU...W winds 15 to 20 kt. Gusts up to 20 kt... increasing to 35 kt
in the afternoon. Waves 1 to 2 ft.
.THU NIGHT...NW winds 15 to 20 kt. Gusts up to 30 kt...diminishing
to 20 kt after midnight. Waves 1 to 2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 to 10 kt...becoming N. Waves 1 ft.

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

$$

ANZ537-040900-
Tidal Potomac from Cobb Island to Smith Point-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST TUESDAY THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 10 kt. Waves 1 ft.
.TUE...S winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.WED...S winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft. Showers.
.WED NIGHT...S winds 15 to 20 kt with gusts to 35 kt...becoming SW
10 to 15 kt with gusts to 20 kt after midnight. Waves 4 ft...
subsiding to 2 ft after midnight. Showers likely with a chance of
tstms.
.THU...W winds 15 to 20 kt. Gusts up to 20 kt... increasing to 35 kt
in the afternoon. Waves 2 to 3 ft.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 35 kt...diminishing
to 25 kt after midnight. Waves 3 ft.
.FRI...SW winds 10 to 15 kt. Waves 1 ft.
.SAT...W winds 10 kt...becoming N. Waves 1 ft. A chance of rain
after midnight.

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

$$

ANZ530-040900-
Chesapeake Bay north of Pooles Island-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.WED...S winds 20 to 25 kt with gusts to 35 kt. Waves 2 to 3 ft.
Showers.
.WED NIGHT...S winds 20 to 25 kt with gusts to 35 kt...becoming SW
10 to 15 kt with gusts to 20 kt after midnight. Waves 2 to 3 ft.
Showers.
.THU...W winds 10 to 15 kt with gusts to 20 kt... increasing to
20 to 25 kt with gusts to 40 kt in the afternoon. Waves 1 to 2 ft.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 35 kt...diminishing
to 25 kt after midnight. Waves 2 ft.
.FRI...W winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning.

$$

ANZ531-040900-
Chesapeake Bay from Pooles Island to Sandy Point-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...S winds 10 to 15 kt. Gusts up to 25 kt... increasing to
30 kt late. Waves 2 to 3 ft.
.WED...S winds 20 to 25 kt. Gusts up to 30 kt... increasing to 40 kt
in the afternoon. Waves 3 ft. Showers.
.WED NIGHT...S winds 20 to 25 kt with gusts to 35 kt...becoming SW
10 to 15 kt with gusts to 20 kt after midnight. Waves 4 ft...
subsiding to 2 ft after midnight. Showers with a chance of tstms.
.THU...W winds 10 to 15 kt with gusts to 20 kt... increasing to
20 to 25 kt with gusts to 40 kt in the afternoon. Waves 2 to 3 ft.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 35 kt...diminishing
to 25 kt after midnight. Waves 3 ft.
.FRI...W winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to
2 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning.

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

$$

ANZ538-040900-
Patapsco River including Baltimore Harbor-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.WED...S winds 15 to 20 kt. Gusts up to 25 kt... increasing to 40 kt
in the afternoon. Waves 2 ft. Showers.
.WED NIGHT...S winds 15 to 20 kt with gusts to 35 kt...becoming W
10 kt after midnight. Waves 1 to 2 ft. Showers with a chance of
tstms.
.THU...W winds 15 to 20 kt. Gusts up to 20 kt... increasing to 40 kt
in the afternoon. Waves 1 to 2 ft.
.THU NIGHT...NW winds 15 to 20 kt. Gusts up to 35 kt...diminishing
to 20 kt after midnight. Waves 1 to 2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft or less. A chance of rain in
the morning.

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

$$

ANZ539-040900-
Chester River to Queenstown MD-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TUE NIGHT...S winds 10 to 15 kt. Gusts up to 25 kt... increasing to
30 kt late. Waves 2 ft.
.WED...S winds 20 to 25 kt. Gusts up to 30 kt... increasing to 40 kt
in the afternoon. Waves 3 ft. Showers.
.WED NIGHT...S winds 20 to 25 kt with gusts to 35 kt...becoming SW
10 to 15 kt with gusts to 20 kt after midnight. Waves 2 to 3 ft.
Showers.
.THU...W winds 15 to 20 kt. Gusts up to 20 kt... increasing to 40 kt
in the afternoon. Waves 2 to 3 ft.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 35 kt...diminishing
to 25 kt after midnight. Waves 3 ft.
.FRI...W winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to
2 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning.

$$

ANZ532-040900-
Chesapeake Bay from Sandy Point to North Beach-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt late this evening
and overnight. Waves 1 to 2 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...S winds 10 to 15 kt. Gusts up to 25 kt... increasing to
30 kt late. Waves 3 ft.
.WED...S winds 20 to 25 kt. Gusts up to 30 kt... increasing to 40 kt
in the afternoon. Waves 4 ft. Showers.
.WED NIGHT...S winds 20 to 25 kt with gusts to 35 kt...becoming SW
10 to 15 kt with gusts to 20 kt after midnight. Waves 5 ft...
subsiding to 2 ft after midnight. Showers with a chance of tstms.
.THU...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 20 to
25 kt with gusts to 40 kt in the afternoon. Waves 2 to 3 ft.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 35 kt...diminishing
to 25 kt after midnight. Waves 3 ft.
.FRI...W winds 10 to 15 kt...becoming SW. Waves 1 to 2 ft.
.SAT...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.

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

$$

ANZ540-040900-
Eastern Bay-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt. Gusts up to 25 kt... increasing to
30 kt late. Waves 2 ft.
.WED...S winds 20 to 25 kt. Gusts up to 30 kt... increasing to 40 kt
in the afternoon. Waves 3 ft. Showers.
.WED NIGHT...S winds 20 to 25 kt with gusts to 35 kt...becoming SW
10 to 15 kt with gusts to 20 kt after midnight. Waves 2 to 3 ft.
Showers with a chance of tstms.
.THU...W winds 15 to 20 kt. Gusts up to 20 kt... increasing to 40 kt
in the afternoon. Waves 1 to 2 ft.
.THU NIGHT...NW winds 15 to 20 kt. Gusts up to 35 kt...diminishing
to 25 kt after midnight. Waves 2 ft.
.FRI...W winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.

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

$$

ANZ533-040900-
Chesapeake Bay from North Beach to Drum Point-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST TUESDAY THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 10 kt. Gusts up to 20 kt late this evening and
overnight. Waves 1 to 2 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...S winds 15 to 20 kt. Gusts up to 25 kt... increasing to
30 kt late. Waves 3 ft.
.WED...S winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft. Showers.
.WED NIGHT...S winds 20 to 25 kt with gusts to 35 kt...becoming SW
10 to 15 kt with gusts to 20 kt after midnight. Waves 5 ft...
subsiding to 2 ft after midnight. Showers with a chance of tstms.
.THU...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 20 to
25 kt with gusts to 40 kt in the afternoon. Waves 2 to 3 ft.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 35 kt...diminishing
to 25 kt after midnight. Waves 3 ft.
.FRI...W winds 10 to 15 kt...becoming SW. Waves 1 to 2 ft.
.SAT...NW winds 10 kt...becoming N after midnight. Waves 1 ft. A
chance of rain after midnight.

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

$$

ANZ541-040900-
Choptank River to Cambridge MD and the Little Choptank River-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST TUESDAY THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt late this evening
and overnight. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...S winds 15 to 20 kt. Gusts up to 25 kt... increasing to
30 kt late. Waves 2 ft.
.WED...S winds 25 to 30 kt. Waves 3 ft. Showers.
.WED NIGHT...S winds 20 to 25 kt with gusts to 35 kt...becoming SW
10 to 15 kt with gusts to 20 kt after midnight. Waves 2 to 3 ft.
Showers with a chance of tstms.
.THU...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 20 to
25 kt with gusts to 40 kt in the afternoon. Waves 2 to 3 ft.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 35 kt...diminishing
to 25 kt after midnight. Waves 3 ft.
.FRI...W winds 10 to 15 kt...becoming SW. Waves 1 to 2 ft.
.SAT...W winds 10 kt...becoming N after midnight. Waves 1 ft. A
chance of rain after midnight.

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

$$

ANZ542-040900-
Patuxent River to Broomes Island MD-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt... increasing to
25 kt late. Waves 1 ft.
.WED...S winds 15 to 20 kt with gusts to 30 kt. Waves 1 to 2 ft.
Showers.
.WED NIGHT...S winds 10 to 15 kt with gusts to 25 kt...becoming SW
after midnight. Waves 1 ft. Showers with a chance of tstms.
.THU...W winds 15 to 20 kt. Gusts up to 20 kt... increasing to 35 kt
in the afternoon. Waves 1 ft.
.THU NIGHT...NW winds 15 to 20 kt. Gusts up to 30 kt...diminishing
to 20 kt after midnight. Waves 1 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...W winds 5 to 10 kt...becoming N. Waves 1 ft. A chance of rain
after midnight.

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

$$

ANZ534-040900-
Chesapeake Bay from Drum Point to Smith Point-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST TUESDAY THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt late this evening
and overnight. Waves 1 to 2 ft.
.TUE...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.WED...S winds 25 to 30 kt. Waves 5 ft. Showers.
.WED NIGHT...S winds 20 to 25 kt with gusts to 40 kt...becoming SW
10 to 15 kt with gusts to 20 kt after midnight. Waves 5 ft...
subsiding to 3 ft after midnight. Showers with a chance of tstms.
.THU...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 20 to
25 kt with gusts to 35 kt in the afternoon. Waves 2 ft...building to
4 ft in the afternoon.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 35 kt in the evening.
Waves 4 ft.
.FRI...W winds 10 to 15 kt...becoming SW. Waves 1 to 2 ft.
.SAT...W winds 10 kt...becoming N. Waves 1 to 2 ft. A chance of rain
after midnight.

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

$$

ANZ543-040900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
634 PM EST Mon Mar 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST TUESDAY THROUGH LATE
TUESDAY NIGHT...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TONIGHT...SE winds 5 to 10 kt...becoming S 15 kt with gusts to
20 kt after midnight. Waves 1 ft or less...building to 2 ft after
midnight.
.TUE...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.TUE NIGHT...S winds 15 to 20 kt with gusts to 30 kt. Waves 2 to
3 ft.
.WED...S winds 25 to 30 kt. Gusts up to 35 kt... increasing to 45 kt
in the afternoon. Waves 3 ft. Showers.
.WED NIGHT...S winds 20 to 25 kt with gusts to 40 kt...becoming SW
10 to 15 kt with gusts to 25 kt after midnight. Waves 4 ft...
subsiding to 2 ft after midnight. Showers with a chance of tstms.
.THU...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 20 to
25 kt with gusts to 35 kt in the afternoon. Waves 1 to 2 ft.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 35 kt in the evening.
Waves 2 to 3 ft.
.FRI...W winds 10 to 15 kt...becoming SW. Waves 1 to 2 ft.
.SAT...W winds 10 kt...becoming N. Waves 1 ft. A chance of rain
after midnight.

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

$$



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