Coastal Waters Forecast
Issued by NWS Sterling, VA

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000
FZUS51 KLWX 201132
CWFLWX

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

ANZ500-202000-
732 AM EDT Sun Aug 20 2017

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

Weak high pressure will build overhead today before shifting toward

 the Mid-Atlantic Coast tonight. High pressure will move offshore

Monday and a cold front will approach the waters Tuesday into

Tuesday night. The boundary will pass through the waters Wednesday

and high pressure will return for late in the week.  Small Craft

Advisories will likely be needed Monday night through Wednesday

night.

$$

ANZ535-202000-
Tidal Potomac from Key Bridge to Indian Head-
732 AM EDT Sun Aug 20 2017

.TODAY...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.

$$

ANZ536-202000-
Tidal Potomac from Indian Head to Cobb Island-
732 AM EDT Sun Aug 20 2017

.TODAY...N 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.
.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.

$$

ANZ537-202000-
Tidal Potomac from Cobb Island to Smith Point-
732 AM EDT Sun Aug 20 2017

.TODAY...NE 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 or less.
.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 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 ft. A chance of showers.

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

$$

ANZ530-202000-
Chesapeake Bay north of Pooles Island-
732 AM EDT Sun Aug 20 2017

.TODAY...NW winds 5 kt. Waves less than 1 ft.
.TONIGHT...S 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 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.

$$

ANZ531-202000-
Chesapeake Bay from Pooles Island to Sandy Point-
732 AM EDT Sun Aug 20 2017

.TODAY...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...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 to 10 kt. Waves 1 ft.

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

$$

ANZ538-202000-
Patapsco River including Baltimore Harbor-
732 AM EDT Sun Aug 20 2017

.TODAY...N winds 5 kt. Waves flat.
.TONIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds around 5 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 or less.
.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.

$$

ANZ539-202000-
Chester River to Queenstown MD-
732 AM EDT Sun Aug 20 2017

.TODAY...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 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 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 to 10 kt. Waves 1 ft.

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

$$

ANZ532-202000-
Chesapeake Bay from Sandy Point to North Beach-
732 AM EDT Sun Aug 20 2017

.TODAY...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 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 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.

$$

ANZ540-202000-
Eastern Bay-
732 AM EDT Sun Aug 20 2017

.TODAY...NE winds 5 to 10 kt. Waves 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 ft. A chance of showers and
tstms.
.TUE...S winds 5 to 10 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.

$$

ANZ533-202000-
Chesapeake Bay from North Beach to Drum Point-
732 AM EDT Sun Aug 20 2017

.TODAY...NE winds 5 to 10 kt. Waves 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 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.

$$

ANZ541-202000-
Choptank River to Cambridge MD and the Little Choptank River-
732 AM EDT Sun Aug 20 2017

.TODAY...NE winds 5 to 10 kt. Waves 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 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 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 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

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

$$

ANZ542-202000-
Patuxent River to Broomes Island MD-
732 AM EDT Sun Aug 20 2017

.TODAY...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.

$$

ANZ534-202000-
Chesapeake Bay from Drum Point to Smith Point-
732 AM EDT Sun Aug 20 2017

.TODAY...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. 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 2 to 3 ft...subsiding to 1 to 2 ft.
A chance of showers.

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

$$

ANZ543-202000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
732 AM EDT Sun Aug 20 2017

.TODAY...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 or less.
.MON NIGHT...S winds 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.TUE NIGHT...SW winds 10 to 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 to 2 ft. A chance of showers.

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

$$



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