Coastal Waters Forecast
Issued by NWS Sterling, VA

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000
FZUS51 KLWX 201732
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
132 PM EDT Sun Aug 20 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.

ANZ500-210800-
132 PM EDT Sun Aug 20 2017

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

High pressure will move offshore through tonight. A cold front will
cross the waters late Tuesday night into early Wednesday. High
pressure will return for the second half of the week. Small Craft
Advisories will likely be needed Monday night through Wednesday
night.

$$

ANZ535-210800-
Tidal Potomac from Key Bridge to Indian Head-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...NW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.THU...N winds 5 kt. Waves less than 1 ft.

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

$$

ANZ536-210800-
Tidal Potomac from Indian Head to Cobb Island-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft.
.TONIGHT...S winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.WED...NW winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers in
the morning.

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

$$

ANZ537-210800-
Tidal Potomac from Cobb Island to Smith Point-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of tstms. A
chance of showers.
.THU...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.

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

$$

ANZ530-210800-
Chesapeake Bay north of Pooles Island-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft.
.TONIGHT...SW winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...NW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.THU...N winds 5 kt. Waves less than 1 ft.

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

$$

ANZ531-210800-
Chesapeake Bay from Pooles Island to Sandy Point-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...S winds 10 to 15 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of
showers and tstms.
.WED...N winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...N winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ538-210800-
Patapsco River including Baltimore Harbor-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...N winds 5 kt. Waves flat.
.TONIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...N winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...N winds 5 kt. Waves less than 1 ft.

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

$$

ANZ539-210800-
Chester River to Queenstown MD-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...S winds 10 to 15 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...N winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...N winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ532-210800-
Chesapeake Bay from Sandy Point to North Beach-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...S winds 10 to 15 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Waves 2 ft. A chance of showers
and tstms.
.WED...N winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...N winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ540-210800-
Eastern Bay-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...S winds 10 to 15 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers
and tstms.
.WED...N winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.THU...N winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ533-210800-
Chesapeake Bay from North Beach to Drum Point-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers and tstms.
.TUE...S winds 10 to 15 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Waves 2 ft.
.WED...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of tstms. A
chance of showers.
.THU...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in
the morning.

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

$$

ANZ541-210800-
Choptank River to Cambridge MD and the Little Choptank River-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...S winds 10 to 15 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Waves 2 ft.
.WED...N winds 5 to 10 kt. Waves 1 ft. A chance of tstms. A chance
of showers.
.THU...N winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

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

$$

ANZ542-210800-
Patuxent River to Broomes Island MD-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...NE winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 kt. Waves 1 ft.
.WED...N winds 5 to 10 kt. Waves 1 ft. A chance of tstms. A chance
of showers.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers in
the morning.

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

$$

ANZ534-210800-
Chesapeake Bay from Drum Point to Smith Point-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...N winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt. Waves 2 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...SW winds 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.WED...W winds 10 to 15 kt...becoming N 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft. A chance of tstms. A chance of showers.
.THU...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.

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

$$

ANZ543-210800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
132 PM EDT Sun Aug 20 2017

.THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TUE NIGHT...SW winds 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...W winds 10 to 15 kt...becoming N 5 to 10 kt. Waves 1 to 2 ft.
A chance of tstms. A chance of showers.
.THU...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$




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