Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 271734
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
134 PM EDT Fri Sep 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.

ANZ500-280800-
134 PM EDT Fri Sep 27 2024

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

The remnants of Helene spiral around an upper low to the southwest
this weekend into early next week. Turning drier with high pressure
by the middle of next week. Small Craft Advisories may be needed at
times this weekend.

$$

ANZ535-280800-
Tidal Potomac from Key Bridge to Indian Head-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 kt with gusts to 25 kt. Waves 1 ft. A
chance of showers with a slight chance of tstms. Patchy fog. Vsby
1 NM or less.
.TONIGHT...E winds 10 to 15 kt with gusts to 25 kt... becoming SE
5 kt late. Waves 1 ft. Showers with a chance of tstms. Patchy fog.
Vsby 1 NM or less.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...E winds around 5 kt. Waves 1 ft.
.SUN...E winds around 5 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of
showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. Showers likely through the
day, then showers likely with a chance of tstms through the night.
.TUE...NE winds around 5 kt. Waves 1 ft. Showers likely .

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

$$

ANZ536-280800-
Tidal Potomac from Indian Head to Cobb Island-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 kt...increasing to 20 kt late. Gusts up
to 25 kt. Waves 1 to 2 ft. Numerous showers and tstms. Patchy fog.
Vsby 1 NM or less.
.TONIGHT...E winds 15 to 20 kt with gusts to 25 kt... becoming SE
5 to 10 kt after midnight. Waves 1 to 2 ft. Showers with a chance of
tstms. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...SE winds around 5 kt. Waves 1 ft.
.SUN...E winds around 5 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. Showers likely through the
day, then showers likely with a chance of tstms through the night.
.TUE...N winds 5 kt. Waves less than 1 ft. Showers likely.

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

$$

ANZ537-280800-
Tidal Potomac from Cobb Island to Smith Point-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 15 to 20 kt with gusts to 25 kt. Waves
2 to 3 ft. A chance of showers with a slight chance of tstms. Patchy
fog. Vsby 1 NM or less.
.TONIGHT...SE winds 15 to 20 kt with gusts to 25 kt... becoming S
5 to 10 kt late. Waves 2 to 3 ft. Showers likely with a chance of
tstms. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day, then showers likely with a chance of tstms through the
night.
.TUE...NE winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
Showers likely.

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

$$

ANZ530-280800-
Chesapeake Bay north of Pooles Island-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 kt. Waves 1 ft. A chance of showers.
Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.SAT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Vsby
1 to 3 NM.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...NE winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 10 to 15 kt. Waves 1 ft. A chance of showers through
the day, then showers likely through the night.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of
showers after midnight.

$$

ANZ531-280800-
Chesapeake Bay from Pooles Island to Sandy Point-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers with a slight chance of tstms. Patchy fog.
Vsby 1 to 3 NM.
.TONIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.SUN NIGHT...NE winds 10 to 15 kt. Waves 2 ft. A chance of showers.
.MON...NE winds 10 to 15 kt. Waves 1 to 2 ft. Numerous showers
through the day, then showers likely through the night.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely .

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

$$

ANZ538-280800-
Patapsco River including Baltimore Harbor-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers with a slight chance of tstms. Patchy fog.
.TONIGHT...E winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.SAT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. Numerous showers through the
day, then showers likely through the night.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of
showers after midnight.

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

$$

ANZ539-280800-
Chester River to Queenstown MD-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 kt. Waves 1 ft. A chance of showers
with a slight chance of tstms.
.TONIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 kt. Waves less than 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. Numerous showers in the
morning, then showers likely.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely .

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

$$

ANZ532-280800-
Chesapeake Bay from Sandy Point to North Beach-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. A chance of showers with a slight chance of tstms.
.TONIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...E winds 10 kt. Waves 2 ft. A chance of showers.
.MON...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in
the morning, then showers likely.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely .

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

$$

ANZ540-280800-
Eastern Bay-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers with a slight chance of tstms.
.TONIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning, then showers likely.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely .

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

$$

ANZ533-280800-
Chesapeake Bay from North Beach to Drum Point-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 15 kt with gusts to 20 kt. Waves 2 to
3 ft. A chance of showers with a slight chance of tstms. Patchy fog.
.TONIGHT...SE winds 15 to 20 kt with gusts to 25 kt... diminishing
to 10 kt late. Waves 2 to 3 ft. Showers with a chance of tstms.
Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.SUN NIGHT...E winds 10 kt. Waves 2 ft. A chance of showers.
.MON...E winds 10 kt. Waves 1 to 2 ft. A chance of showers in the
morning. Showers likely. A chance of tstms through the night.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely .

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

$$

ANZ541-280800-
Choptank River to Cambridge MD and the Little Choptank River-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...E winds 10 to 15 kt with gusts to 20 kt. Waves
1 to 2 ft. A chance of showers with a slight chance of tstms.
.TONIGHT...SE winds 10 to 15 kt. Gusts up to 25 kt until early
morning. Waves 2 ft. Showers with a chance of tstms. Patchy fog.
Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning, then showers likely.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely .

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

$$

ANZ542-280800-
Patuxent River to Broomes Island MD-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SE winds 10 to 15 kt with gusts to 20 kt. Waves
1 ft. A chance of showers and tstms. Patchy fog.
.TONIGHT...SE winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 ft. Showers with a chance of tstms. Patchy fog. Vsby 1 NM or
less.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...SE winds around 5 kt. Waves 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning. Showers likely. A chance of tstms through the night.
.TUE...NE winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
Showers likely .

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

$$

ANZ534-280800-
Chesapeake Bay from Drum Point to Smith Point-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SE winds 15 to 20 kt with gusts to 25 kt. Waves
2 to 3 ft. A chance of showers and tstms. Patchy fog. Vsby 1 to
3 NM.
.TONIGHT...SE winds 15 to 20 kt with gusts to 25 kt... becoming S
10 kt late. Waves 3 ft. Showers likely with a chance of tstms.
Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...E winds 5 to 10 kt. Waves 2 ft. A chance of showers.
.MON...E winds 10 kt. Waves 1 ft. A chance of showers. A chance of
tstms through the night.
.TUE...NE winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
Showers likely .

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

$$

ANZ543-280800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
134 PM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SE winds 15 kt with gusts to 20 kt. Waves 2 ft. A
slight chance of showers and tstms.
.TONIGHT...SE winds 15 to 20 kt with gusts to 25 kt... becoming S
5 to 10 kt late. Waves 2 ft. Showers with a chance of tstms. Patchy
fog. Vsby 1 NM or less.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE...NE winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
Showers likely .

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

$$