Coastal Waters Forecast
Issued by NWS Sterling, VA

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204
FZUS51 KLWX 170535
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
135 AM EDT Tue Sep 17 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.

ANZ500-172000-
135 AM EDT Tue Sep 17 2024

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

Low pressure over the Carolinas will gradually weaken through
Wednesday. Another low may develop off the coast during the second
half of the week. Small Craft Advisories will likely be needed for
portions of the waters through Wednesday. Additional advisories may
be needed Friday night into Saturday.

$$

ANZ535-172000-
Tidal Potomac from Key Bridge to Indian Head-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 10 kt with gusts to 20 kt. Waves 1 ft.
Scattered sprinkles.
.TUE...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Scattered
showers.
.TUE NIGHT...NE winds 10 kt. Waves 1 ft. Numerous showers. Patchy
fog. Vsby 1 NM or less.
.WED...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-172000-
Tidal Potomac from Indian Head to Cobb Island-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.TUE...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Scattered showers. Vsby 1 to 3 NM.
.TUE NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers. Patchy fog. Vsby 1 NM or less.
.WED...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-172000-
Tidal Potomac from Cobb Island to Smith Point-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 20 kt with gusts to 25 kt. Waves 4 ft.
Isolated showers.
.TUE...E winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Scattered showers. Vsby 1 NM or less.
.TUE NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Numerous showers. Patchy fog. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. A
chance of showers. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 10 to 15 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 to 3 ft.

$$

ANZ530-172000-
Chesapeake Bay north of Pooles Island-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Scattered sprinkles.
.TUE...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered sprinkles.
.TUE NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers
likely. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.THU...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.

$$

ANZ531-172000-
Chesapeake Bay from Pooles Island to Sandy Point-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered sprinkles.
.TUE...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Scattered sprinkles.
.TUE NIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers
likely. Patchy fog.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.THU...N winds 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...N winds 10 kt. Waves 1 ft.
.FRI...NE winds 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ538-172000-
Patapsco River including Baltimore Harbor-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Scattered sprinkles.
.TUE...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Scattered sprinkles.
.TUE NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Numerous showers. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers
likely. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.THU...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...N winds 10 kt. Waves 1 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-172000-
Chester River to Queenstown MD-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Scattered sprinkles.
.TUE...E winds 15 kt with gusts to 25 kt. Waves 1 to 2 ft. Scattered
sprinkles.
.TUE NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers
likely. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.THU...N winds 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...N winds 10 kt. Waves 1 ft.
.FRI...NE winds 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.

$$

ANZ532-172000-
Chesapeake Bay from Sandy Point to North Beach-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 25 kt. Waves 2 ft.
Scattered sprinkles.
.TUE...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Scattered showers.
.TUE NIGHT...NE winds 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Numerous showers. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers likely. Patchy fog.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.THU...N winds 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...N winds 10 kt. Waves 1 ft.
.FRI...NE winds 10 to 15 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ540-172000-
Eastern Bay-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 25 kt. Waves 2 ft.
Scattered sprinkles.
.TUE...E winds 15 kt with gusts to 25 kt. Waves 2 ft. Scattered
sprinkles.
.TUE NIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Numerous showers. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers
likely. Patchy fog.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.THU...N winds 10 kt. Waves 1 ft.
.THU NIGHT...N winds 10 kt. Waves 1 ft.
.FRI...NE winds 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.

$$

ANZ533-172000-
Chesapeake Bay from North Beach to Drum Point-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Scattered sprinkles.
.TUE...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Scattered showers. Vsby 1 to 3 NM.
.TUE NIGHT...NE winds 15 kt with gusts to 25 kt. Waves 3 ft.
Numerous showers. Patchy fog. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. Showers
likely. Patchy fog.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft. A chance of showers.
.THU...N winds 10 kt. Waves 1 ft.
.THU NIGHT...N winds 10 kt. Waves 1 to 2 ft.
.FRI...N winds 10 to 15 kt...becoming NE. Waves 1 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ541-172000-
Choptank River to Cambridge MD and the Little Choptank River-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 25 kt. Waves 2 ft.
Scattered sprinkles.
.TUE...E winds 15 kt with gusts to 25 kt. Waves 2 ft. Scattered
showers.
.TUE NIGHT...NE winds 15 kt with gusts to 25 kt. Waves 2 ft.
Numerous showers. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers
likely. Patchy fog.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.THU...N winds 10 kt. Waves 1 ft.
.THU NIGHT...N winds 10 kt. Waves 1 ft.
.FRI...NE winds 10 to 15 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 to 2 ft.

$$

ANZ542-172000-
Patuxent River to Broomes Island MD-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 25 kt. Waves 1 ft.
Scattered sprinkles.
.TUE...E winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
Scattered showers.
.TUE NIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
Numerous showers. Patchy fog. Vsby 1 NM or less.
.WED...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance of
showers. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.

$$

ANZ534-172000-
Chesapeake Bay from Drum Point to Smith Point-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 20 kt with gusts to 25 kt. Waves 3 ft.
Scattered showers.
.TUE...E winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Scattered showers. Vsby 1 to 3 NM.
.TUE NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Numerous showers. Patchy fog. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. A
chance of showers. Patchy fog.
.WED NIGHT...N winds 10 kt with gusts to 20 kt. Waves 2 ft.
.THU...N winds 10 kt. Waves 1 to 2 ft.
.THU NIGHT...N winds 10 to 15 kt. Waves 2 ft.
.FRI...N winds 10 to 15 kt...becoming NE. Waves 1 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 to 3 ft.

$$

ANZ543-172000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
135 AM EDT Tue Sep 17 2024

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

.OVERNIGHT...NE winds 20 kt with gusts to 25 kt. Waves 2 ft.
Scattered sprinkles. Vsby 1 to 3 NM.
.TUE...E winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Scattered showers. Vsby 1 to 3 NM.
.TUE NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Numerous showers. Patchy fog. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 10 kt. Waves 1 ft.
.THU NIGHT...N winds 10 kt. Waves 1 ft.
.FRI...N winds 10 to 15 kt...becoming NE. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.

$$