Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 192037
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
437 PM EDT Tue Oct 19 2021

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.

ANZ500-200800-
437 PM EDT Tue Oct 19 2021

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

High pressure will build overhead through Wednesday then slowly
shift off shore by early Thursday morning. Multiple cold fronts move
 through our region late Thursday through Saturday morning. Small
Craft Advisories may be necessary Thursday and Thursday night.

$$

ANZ535-200800-
Tidal Potomac from Key Bridge to Indian Head-
437 PM EDT Tue Oct 19 2021

.REST OF THIS AFTERNOON...W winds 10 kt. Waves 1 ft.
.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.FRI...NW winds around 5 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-200800-
Tidal Potomac from Indian Head to Cobb Island-
437 PM EDT Tue Oct 19 2021

.REST OF THIS AFTERNOON...W winds 10 kt. Waves 1 ft.
.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.WED...W winds 5 kt. Waves less than 1 ft.
.WED NIGHT...S winds 5 kt. Waves less than 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.FRI...NW winds around 5 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-200800-
Tidal Potomac from Cobb Island to Smith Point-
437 PM EDT Tue Oct 19 2021

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

.REST OF THIS AFTERNOON...W winds 10 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ530-200800-
Chesapeake Bay north of Pooles Island-
437 PM EDT Tue Oct 19 2021

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

.REST OF THIS AFTERNOON...W winds 10 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...W winds 10 kt with gusts to 20 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds around 5 kt. Waves 1 ft.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft or less.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-200800-
Chesapeake Bay from Pooles Island to Sandy Point-
437 PM EDT Tue Oct 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 10 to 15 kt...becoming W after midnight. Gusts
up to 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ538-200800-
Patapsco River including Baltimore Harbor-
437 PM EDT Tue Oct 19 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...W winds 10 kt with gusts to 20 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...SW winds 10 kt. Waves 1 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft or less.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-200800-
Chester River to Queenstown MD-
437 PM EDT Tue Oct 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 10 to 15 kt...becoming W after midnight. Gusts
up to 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ532-200800-
Chesapeake Bay from Sandy Point to North Beach-
437 PM EDT Tue Oct 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ540-200800-
Eastern Bay-
437 PM EDT Tue Oct 19 2021

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

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
through the night.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ533-200800-
Chesapeake Bay from North Beach to Drum Point-
437 PM EDT Tue Oct 19 2021

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

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...W winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ541-200800-
Choptank River to Cambridge MD and the Little Choptank River-
437 PM EDT Tue Oct 19 2021

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

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...W winds 5 to 10 kt. Waves 1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ542-200800-
Patuxent River to Broomes Island MD-
437 PM EDT Tue Oct 19 2021

.REST OF THIS AFTERNOON...W winds 10 kt. Waves 1 ft.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 kt. Waves less than 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SW winds 10 kt with gusts to 20 kt. Waves 1 ft.
.FRI...NW winds around 5 kt. Waves 1 ft. A chance of showers through
the night.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ534-200800-
Chesapeake Bay from Drum Point to Smith Point-
437 PM EDT Tue Oct 19 2021

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

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...W winds 5 to 10 kt. Waves 1 to 2 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft.
.THU...SW winds 10 to 15 kt. Waves 2 ft.
.THU NIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in
the morning.

$$

ANZ543-200800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
437 PM EDT Tue Oct 19 2021

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

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI...W winds 10 to 15 kt...becoming NW 5 kt. Waves 1 to 2 ft. A
chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$



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