Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 172047
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
447 PM EDT Thu Aug 17 2017

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.

ANZ500-180800-
447 PM EDT Thu Aug 17 2017

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

A cold front will approach Friday, then pass through Friday night
into early Saturday. High pressure will build to the north and west
of the waters while a pressure trough will remain nearby for later
Saturday and Sunday. The high pressure will shift offshore early
next week.

$$

ANZ535-180800-
Tidal Potomac from Key Bridge to Indian Head-
447 PM EDT Thu Aug 17 2017

.REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A
chance of showers and tstms.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...NW winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft or less.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-180800-
Tidal Potomac from Indian Head to Cobb Island-
447 PM EDT Thu Aug 17 2017

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...W winds around 5 kt. Waves 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft or less.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ537-180800-
Tidal Potomac from Cobb Island to Smith Point-
447 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
2 ft. A chance of showers and tstms.
.TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers and tstms.
.FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers and tstms.
.FRI NIGHT...S winds 10 to 15 kt...becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ530-180800-
Chesapeake Bay north of Pooles Island-
447 PM EDT Thu Aug 17 2017

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ531-180800-
Chesapeake Bay from Pooles Island to Sandy Point-
447 PM EDT Thu Aug 17 2017

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

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
1 ft. A chance of showers and tstms.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers and tstms.
.FRI...S winds 5 to 10 kt. Waves 1 to 2 ft. Showers and tstms
likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers and tstms.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft.

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

$$

ANZ538-180800-
Patapsco River including Baltimore Harbor-
447 PM EDT Thu Aug 17 2017

.REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SAT...NW winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...NW winds around 5 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ539-180800-
Chester River to Queenstown MD-
447 PM EDT Thu Aug 17 2017

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Showers likely
with a chance of tstms.
.TONIGHT...S winds 10 kt. Waves 1 ft. A chance of showers and tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...NE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft.

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

$$

ANZ532-180800-
Chesapeake Bay from Sandy Point to North Beach-
447 PM EDT Thu Aug 17 2017

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

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers likely with a chance of tstms.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers and tstms.
.FRI...S winds 10 kt. Waves 1 to 2 ft. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers and tstms.
.SAT...NW winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft.

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

$$

ANZ540-180800-
Eastern Bay-
447 PM EDT Thu Aug 17 2017

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Showers likely
with a chance of tstms.
.TONIGHT...S winds 10 kt. Waves 2 ft. A chance of showers and tstms.
.FRI...S winds 10 kt. Waves 1 to 2 ft. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft. Showers and tstms
likely.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ533-180800-
Chesapeake Bay from North Beach to Drum Point-
447 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
3 ft. A chance of showers and tstms.
.TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 3 ft. A chance
of showers and tstms.
.FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. Showers
and tstms likely.
.FRI NIGHT...S winds 10 to 15 kt...becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 3 ft. Showers and tstms likely.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 to 2 ft.

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

$$

ANZ541-180800-
Choptank River to Cambridge MD and the Little Choptank River-
447 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
1 ft. Showers likely with a chance of tstms.
.TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers and tstms.
.FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers
and tstms likely.
.FRI NIGHT...S winds 10 to 15 kt...becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 2 ft. Showers and tstms likely.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ542-180800-
Patuxent River to Broomes Island MD-
447 PM EDT Thu Aug 17 2017

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. A chance of
showers and tstms.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a
chance of tstms.
.SAT...NW winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft or less.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ534-180800-
Chesapeake Bay from Drum Point to Smith Point-
447 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
3 ft. A chance of showers and tstms.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. A
chance of showers and tstms.
.FRI...S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A chance
of showers and tstms.
.FRI NIGHT...S winds 10 to 15 kt...becoming SW 5 to 10 kt after
midnight. Gusts up to 25 kt. Waves 4 ft... subsiding to 2 ft after
midnight. Showers and tstms likely.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ543-180800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
447 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
3 ft. A chance of showers and tstms.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. A
chance of showers.
.FRI...S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A chance
of showers and tstms.
.FRI NIGHT...S winds 10 to 15 kt...becoming SW 5 to 10 kt after
midnight. Gusts up to 25 kt. Waves 4 ft... subsiding to 2 ft after
midnight. Showers and tstms likely.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SW winds around 5 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$




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