Coastal Waters Forecast
Issued by NWS Sterling, VA

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000
FZUS51 KLWX 271421
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1021 AM EDT Wed Mar 27 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.

ANZ500-272000-
1021 AM EDT Wed Mar 27 2024

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

A slow-moving cold front will cross the Mid-Atlantic from west to
east through tonight. Low pressure developing near the Carolinas
will move northeastward along the front as it moves offshore
Thursday. High pressure will build in from the Ohio and Tennessee
River Valleys Friday, then a cold front will drop southward into the
 Mid-Atlantic over the weekend into early next week. Gale conditions
 are possible Friday. Small Craft Advisories may be needed Sunday.

$$

ANZ535-272000-
Tidal Potomac from Key Bridge to Indian Head-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. A slight
chance of tstms. Showers. Patchy fog late this morning. Patchy fog
this afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...E winds around 5 kt. Waves 1 ft. Numerous showers. Patchy
fog. Vsby 1 to 3 NM.
.THU...N winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 10 kt. Waves 1 ft.
.FRI...NW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
30 kt in the afternoon. Waves 1 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ536-272000-
Tidal Potomac from Indian Head to Cobb Island-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 to 10 kt. Waves 1 ft. A slight chance of
tstms. Showers. Patchy fog late this morning. Patchy fog this
afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...NE winds 5 kt. Waves less than 1 ft. Numerous showers.
Patchy fog. Vsby 1 to 3 NM.
.THU...N winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...NW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
30 kt in the afternoon. Waves 1 to 2 ft.
.FRI NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.

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

$$

ANZ537-272000-
Tidal Potomac from Cobb Island to Smith Point-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers
with a slight chance of tstms late this morning, then showers with a
slight chance of tstms this afternoon. Patchy fog late this morning.
Patchy fog this afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers. Patchy fog. Vsby
1 to 3 NM.
.THU...N winds 10 to 15 kt. Gusts up to 25 kt in the late morning
and afternoon. Waves 1 ft...building to 3 ft in the afternoon.
Showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to
3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 kt...becoming N after midnight. Waves 1 ft.

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

$$

ANZ530-272000-
Chesapeake Bay north of Pooles Island-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves flat. Scattered showers late
this morning, then showers likely with a slight chance of tstms this
afternoon. Patchy fog. Vsby 1 to 3 NM late this morning.
.TONIGHT...E winds around 5 kt. Waves flat. Numerous showers. Patchy
fog. Vsby 1 to 3 NM.
.THU...N winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft. Showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.SAT...W winds 10 to 15 kt...diminishing to 5 kt after midnight.
Waves 1 ft. A chance of showers through the night.
.SUN...NW winds 10 to 15 kt...becoming N after midnight. Waves 1 ft.
A chance of showers in the morning.

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

$$

ANZ531-272000-
Chesapeake Bay from Pooles Island to Sandy Point-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. A slight
chance of tstms. Showers likely. Patchy fog late this morning.
Patchy fog this afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...NE winds around 5 kt. Waves flat. Numerous showers.
Patchy fog. Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Numerous showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.SUN...NW winds 10 kt...becoming N after midnight. Waves 1 to 2 ft.

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

$$

ANZ538-272000-
Patapsco River including Baltimore Harbor-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. A slight
chance of tstms. Showers. Patchy fog late this morning. Patchy fog
this afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...NE winds 5 kt. Waves flat. Numerous showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...N winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI...NW winds 10 to 15 kt with gusts to 30 kt. Waves 1 to 2 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.SUN...NW winds 10 kt. Waves 1 ft.

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

$$

ANZ539-272000-
Chester River to Queenstown MD-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves flat. A slight chance of
tstms. A chance of showers late this morning, then showers this
afternoon. Patchy fog this afternoon.
.TONIGHT...NE winds around 5 kt. Waves flat. Numerous showers.
Patchy fog. Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 kt...becoming N after midnight. Waves 1 to 2 ft.

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

$$

ANZ532-272000-
Chesapeake Bay from Sandy Point to North Beach-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. A slight
chance of tstms. Showers. Patchy fog this afternoon. Vsby 1 to 3 NM
late this morning.
.TONIGHT...NE winds 5 kt. Waves less than 1 ft. Numerous showers.
Patchy fog. Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 kt. Waves 1 ft.

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

$$

ANZ540-272000-
Eastern Bay-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves flat. A slight chance of
tstms. A chance of showers late this morning, then showers likely
this afternoon. Patchy fog this afternoon.
.TONIGHT...NE winds around 5 kt. Waves flat. Showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.FRI...NW winds 15 kt with gusts to 30 kt. Waves 2 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.SAT...W winds 10 kt. Waves 1 ft.
.SUN...NW winds 10 kt. Waves 1 ft.

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

$$

ANZ533-272000-
Chesapeake Bay from North Beach to Drum Point-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. A slight
chance of tstms. A chance of showers late this morning, then showers
this afternoon. Patchy fog late this morning. Patchy fog this
afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...NE winds 5 kt. Waves less than 1 ft. Showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt. Gusts up to 25 kt. Waves 1 to 2 ft.
Showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 15 to 20 kt. Gusts up to 20 kt...increasing to
30 kt after midnight. Waves 2 to 3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 2 to 3 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ541-272000-
Choptank River to Cambridge MD and the Little Choptank River-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. A slight
chance of tstms. A chance of showers late this morning, then showers
likely this afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...NE winds around 5 kt. Waves flat. Showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 15 to 20 kt. Gusts up to 20 kt...increasing to
30 kt after midnight. Waves 2 to 3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 10 kt. Waves 1 ft.

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

$$

ANZ542-272000-
Patuxent River to Broomes Island MD-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. A slight
chance of tstms. A chance of showers late this morning, then showers
this afternoon. Patchy fog late this morning. Patchy fog this
afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...NE winds 5 kt. Waves less than 1 ft. Showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers.
Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.FRI...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ534-272000-
Chesapeake Bay from Drum Point to Smith Point-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. Patchy fog
late this morning. A slight chance of tstms. A chance of showers
late this morning, then showers likely this afternoon. Vsby 1 to
3 NM late this morning.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers. Patchy fog. Vsby
1 to 3 NM.
.THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft...
building to 4 ft in the afternoon. Showers. Patchy fog. Vsby 1 to
3 NM.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 25 kt...increasing to
35 kt after midnight. Waves 3 ft... building to 5 ft after midnight.
Scattered showers.
.FRI...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SAT...SW winds 10 kt. Waves 2 ft.
.SUN...NW winds 10 kt. Waves 1 to 2 ft.

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

$$

ANZ543-272000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1021 AM EDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. Patchy fog
late this morning. A slight chance of tstms. A chance of showers
late this morning, then showers likely this afternoon. Vsby 1 to
3 NM late this morning.
.TONIGHT...E winds 5 kt. Waves less than 1 ft. Showers. Patchy fog.
Vsby 1 to 3 NM.
.THU...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...NW winds 20 to 25 kt. Gusts up to 25 kt...increasing to
35 kt after midnight. Waves 2 to 3 ft. Scattered showers.
.FRI...NW winds 15 to 20 kt with gusts to 35 kt. Waves 2 to 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SAT...SW winds 10 kt. Waves 1 ft.
.SUN...NW winds 10 kt. Waves 1 ft.

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

$$



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