846
FZUS51 KLWX 170835
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
434 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.

ANZ500-172300-
434 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.

$$

ANZ535-172300-
Tidal Potomac from Key Bridge to Indian Head-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 10 kt. Waves 1 ft. A chance of
showers.
.TODAY...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance of
showers.
.TONIGHT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers likely. 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 around 5 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 around 5 kt. Waves 1 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-172300-
Tidal Potomac from Indian Head to Cobb Island-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 15 kt. Waves 1 ft. A chance of
showers.
.TODAY...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Showers likely. 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.
.THU...N winds 5 kt. Waves less than 1 ft.
.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.

$$

ANZ537-172300-
Tidal Potomac from Cobb Island to Smith Point-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 20 kt. Waves 3 ft. A chance of
showers.
.TODAY...E winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of showers.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Showers likely. Patchy fog. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt. Waves 2 ft. A chance of showers. Patchy
fog.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 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 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 to 3 ft.

$$

ANZ530-172300-
Chesapeake Bay north of Pooles Island-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 15 kt. Waves 1 ft.
.TODAY...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.WED...NE winds 10 to 15 kt. Waves 1 ft. A chance of showers. 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.
.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.

$$

ANZ531-172300-
Chesapeake Bay from Pooles Island to Sandy Point-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TODAY...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers
likely. Patchy fog.
.WED NIGHT...N winds 10 kt. Waves 1 to 2 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 10 kt. Waves 1 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ538-172300-
Patapsco River including Baltimore Harbor-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 10 kt. Waves 1 ft.
.TODAY...NE winds 10 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
likely.
.WED...NE winds 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.

$$

ANZ539-172300-
Chester River to Queenstown MD-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves
1 ft.
.TODAY...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.WED...NE winds 10 to 15 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 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.

$$

ANZ532-172300-
Chesapeake Bay from Sandy Point to North Beach-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves
2 ft. A slight chance of showers.
.TODAY...NE winds 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Showers likely. 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 10 to 15 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 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 10 to 15 kt. Waves 1 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ540-172300-
Eastern Bay-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves
2 ft. A slight chance of showers.
.TODAY...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Showers likely.
.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. 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.

$$

ANZ533-172300-
Chesapeake Bay from North Beach to Drum Point-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 20 kt. Waves 3 ft. A slight chance
of showers.
.TODAY...E winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Showers likely. Patchy fog. 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 10 to 15 kt. Waves 1 to 2 ft.
.THU...N winds 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 to 15 kt...becoming NE. Waves 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ541-172300-
Choptank River to Cambridge MD and the Little Choptank River-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves
2 ft. A slight chance of showers.
.TODAY...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TONIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers likely. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers likely. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 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 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.

$$

ANZ542-172300-
Patuxent River to Broomes Island MD-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 10 kt with gusts to 20 kt. Waves
1 ft. A slight chance of showers.
.TODAY...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 10 kt. Waves 1 ft. Showers likely. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 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 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.

$$

ANZ534-172300-
Chesapeake Bay from Drum Point to Smith Point-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 20 kt. Waves 3 ft. A slight chance
of showers.
.TODAY...E winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A
chance of showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Showers likely. Patchy fog. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt. Waves 2 ft. Showers likely. Patchy fog.
.WED NIGHT...N winds 10 kt. Waves 1 to 2 ft.
.THU...N winds 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 10 to 15 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 3 ft.

$$

ANZ543-172300-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
434 AM EDT Tue Sep 17 2024

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

.REST OF THE OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves
2 ft. A slight chance of showers.
.TODAY...E winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers. Vsby 1 to 3 NM.
.TONIGHT...NE winds 10 to 15 kt. Gusts up to 25 kt until early
morning. Waves 2 ft. Showers likely. Patchy fog. Vsby 1 NM or less.
.WED...NE winds 10 to 15 kt. Waves 1 ft. Showers likely. Patchy fog.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 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 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft. A chance of showers through
the night.

$$