Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 210531
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
131 AM EDT Fri Jul 21 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.

ANZ500-212000-
131 AM EDT Fri Jul 21 2017

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

Light flow is expected with high pressure to the south through the
weekend. Very warm weather is expected. Scattered thunderstorms are
expected in the afternoon and evening mainly Saturday and Sunday.

$$

ANZ535-212000-
Tidal Potomac from Key Bridge to Indian Head-
131 AM EDT Fri Jul 21 2017

.Overnight...W winds 5 kt. Waves less than 1 ft.
.FRI...W winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...N winds around 5 kt. Waves 1 ft. Scattered showers and
tstms.
.SAT...SW winds around 5 kt. Waves 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.
.TUE...N winds 5 kt. Waves less than 1 ft.

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

$$

ANZ536-212000-
Tidal Potomac from Indian Head to Cobb Island-
131 AM EDT Fri Jul 21 2017

.Overnight...W winds 5 kt. Waves less than 1 ft.
.FRI...W winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves 1 ft. Scattered showers and
tstms.
.SAT...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning. A chance of showers through the night.
.TUE...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.

$$

ANZ537-212000-
Tidal Potomac from Cobb Island to Smith Point-
131 AM EDT Fri Jul 21 2017

.Overnight...SW winds 10 kt. Waves 1 ft.
.FRI...W winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...W winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms.
.SAT...SW winds 5 kt. Waves flat. A chance of showers and tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers.
.TUE...NE 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.

$$

ANZ530-212000-
Chesapeake Bay north of Pooles Island-
131 AM EDT Fri Jul 21 2017

.Overnight...W winds 5 kt. Waves less than 1 ft.
.FRI...W winds 5 kt. Waves flat.
.FRI NIGHT...NW winds 5 kt. Waves less than 1 ft.
.SAT...E winds 5 kt. Waves flat. A chance of showers and tstms.
.SAT NIGHT...SW winds around 5 kt. Waves flat. Showers and tstms
likely.
.SUN...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.
.SUN NIGHT...W winds around 5 kt. Waves 1 ft or less. A chance of
showers and tstms.
.MON...NW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning. A chance of showers through the night.
.TUE...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.

$$

ANZ531-212000-
Chesapeake Bay from Pooles Island to Sandy Point-
131 AM EDT Fri Jul 21 2017

.Overnight...W winds 5 kt. Waves less than 1 ft.
.FRI...W winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...N winds around 5 kt. Waves 1 ft or less.
.SAT...E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds around 5 kt. Waves 1 ft or less. Showers and
tstms likely.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.MON...SW winds 5 kt...becoming N after midnight. Waves 1 ft or
less. A chance of showers and tstms in the morning.
.TUE...N winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ538-212000-
Patapsco River including Baltimore Harbor-
131 AM EDT Fri Jul 21 2017

.Overnight...W winds 5 kt. Waves flat.
.FRI...W winds 5 kt. Waves flat.
.FRI NIGHT...N winds around 5 kt. Waves flat.
.SAT...E winds 5 kt. Waves flat. A chance of showers and tstms.
.SAT NIGHT...W winds around 5 kt. Waves flat. A chance of showers
and tstms.
.SUN...W winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.MON...NW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms in the morning.
.TUE...N winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ539-212000-
Chester River to Queenstown MD-
131 AM EDT Fri Jul 21 2017

.Overnight...SW winds 5 kt. Waves less than 1 ft.
.FRI...W winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NW winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms.
.SAT...E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 kt. Waves flat. Showers and tstms likely.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.MON...SW winds 5 kt...becoming N after midnight. Waves 1 ft or
less. A chance of showers and tstms in the morning. A chance of
showers through the night.
.TUE...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.

$$

ANZ532-212000-
Chesapeake Bay from Sandy Point to North Beach-
131 AM EDT Fri Jul 21 2017

.Overnight...W winds 5 to 10 kt. Waves 1 ft.
.FRI...SW winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NW winds 5 kt. Waves flat. Scattered showers and tstms.
.SAT...E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.MON...SW winds 5 kt...becoming N after midnight. Waves 1 ft. A
chance of tstms. A chance of showers.
.TUE...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.

$$

ANZ540-212000-
Eastern Bay-
131 AM EDT Fri Jul 21 2017

.Overnight...SW winds 5 kt. Waves less than 1 ft.
.FRI...W winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves flat. Scattered showers and
tstms.
.SAT...E winds 5 kt. Waves flat. A chance of showers and tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers and tstms.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.MON...SW winds 5 kt...becoming N after midnight. Waves 1 ft. A
chance of tstms. A chance of showers.
.TUE...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.

$$

ANZ533-212000-
Chesapeake Bay from North Beach to Drum Point-
131 AM EDT Fri Jul 21 2017

.Overnight...SW winds 10 kt. Waves 1 ft.
.FRI...NW winds 5 to 10 kt...becoming SW late. Waves 1 ft.
.FRI NIGHT...W winds 5 kt. Waves flat. Scattered showers and tstms.
.SAT...E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of tstms. A
chance of showers.
.TUE...NE winds 5 to 10 kt. Waves 2 ft. A chance of showers in the
morning.

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

$$

ANZ541-212000-
Choptank River to Cambridge MD and the Little Choptank River-
131 AM EDT Fri Jul 21 2017

.Overnight...SW winds 10 kt. Waves 1 ft.
.FRI...W winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NW winds around 5 kt. Waves flat. Scattered showers and
tstms.
.SAT...E winds 5 kt. Waves flat. A chance of showers and tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.MON...SW winds 5 kt...becoming NW after midnight. Waves 1 ft. A
chance of tstms. A chance of showers.
.TUE...NE 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.

$$

ANZ542-212000-
Patuxent River to Broomes Island MD-
131 AM EDT Fri Jul 21 2017

.Overnight...SW winds 5 to 10 kt. Waves 1 ft.
.FRI...W winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...W winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms.
.SAT...E winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SAT NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers and tstms.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of tstms. A
chance of showers.
.TUE...NE 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.

$$

ANZ534-212000-
Chesapeake Bay from Drum Point to Smith Point-
131 AM EDT Fri Jul 21 2017

.Overnight...SW winds 15 kt. Waves 2 ft.
.FRI...NW winds 5 to 10 kt...becoming S late. Waves 1 to 2 ft.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms.
.SAT...NW winds 5 kt...becoming S in the afternoon. Waves 1 ft. A
chance of showers and tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SW winds 10 kt. Waves 1 to 2 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers and tstms.
.MON...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of tstms. A
chance of showers.
.TUE...NE winds 10 to 15 kt. Waves 2 ft. A chance of showers.

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

$$

ANZ543-212000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
131 AM EDT Fri Jul 21 2017

.Overnight...SW winds 15 kt. Waves 2 ft.
.FRI...SW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms.
.SAT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms.
.SAT NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.SUN...SW winds 10 kt. Waves 1 ft. A chance of showers and tstms.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers
and tstms.
.MON...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of tstms. A
chance of showers.
.TUE...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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