Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 222332
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
732 PM EDT Sat Jul 22 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.

ANZ500-230800-
732 PM EDT Sat Jul 22 2017

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

Light winds are expected with high pressure to the south through the
 weekend. Scattered thunderstorms are expected each afternoon and
evening. A cold front will move through Sunday night.

$$

ANZ535-230800-
Tidal Potomac from Key Bridge to Indian Head-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 5 kt. Waves less than 1 ft. Scattered showers
and tstms this evening, then widespread showers with a chance of
tstms after midnight. Vsby 1 NM or less.
.SUN...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...W winds 5 kt. Waves less than 1 ft.
.MON NIGHT...NW winds 5 kt. Waves less than 1 ft.
.TUE...N winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...NE winds 5 kt. Waves less than 1 ft.
.WED...SE winds 5 kt. Waves less than 1 ft.
.THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.

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

$$

ANZ536-230800-
Tidal Potomac from Indian Head to Cobb Island-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 5 kt. Waves less than 1 ft. Showers likely with
scattered tstms this evening, then widespread showers with a chance
of tstms after midnight. Vsby 1 NM or less.
.SUN...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers likely.
.MON...W winds 5 kt. Waves less than 1 ft.
.MON NIGHT...W winds 5 kt. Waves less than 1 ft.
.TUE...N winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...NE winds 5 kt. Waves less than 1 ft.
.WED...SE winds 5 kt. Waves less than 1 ft.
.THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.

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

$$

ANZ537-230800-
Tidal Potomac from Cobb Island to Smith Point-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 10 kt. Waves 1 ft. Showers likely with scattered
tstms this evening, then widespread showers with a chance of tstms
after midnight. Vsby 1 NM or less.
.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.
.MON...W winds 5 kt. Waves less than 1 ft.
.MON NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ530-230800-
Chesapeake Bay north of Pooles Island-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 5 kt. Waves less than 1 ft. Numerous showers and
scattered tstms this evening, then widespread showers with a chance
of tstms after midnight. Vsby 1 NM or less.
.SUN...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.SUN NIGHT...S winds 5 kt. Waves flat. Showers likely.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.MON NIGHT...NW winds 5 kt. Waves less than 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 kt. Waves less than 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft or less.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ531-230800-
Chesapeake Bay from Pooles Island to Sandy Point-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. Numerous showers and
scattered tstms this evening, then widespread showers with a chance
of tstms after midnight. Vsby 1 NM or less.
.SUN...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...S winds 5 to 10 kt...becoming W late. Waves 1 ft.
Showers likely.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.MON NIGHT...NW winds 5 kt. Waves less than 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ538-230800-
Patapsco River including Baltimore Harbor-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 5 kt. Waves less than 1 ft. Numerous showers and
scattered tstms this evening, then widespread showers with a chance
of tstms after midnight. Vsby 1 NM or less.
.SUN...SW winds 5 kt. Waves less than 1 ft. Showers and tstms
likely.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of
showers.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.MON NIGHT...NW winds 5 kt. Waves less than 1 ft.
.TUE...N winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...NE winds 5 kt. Waves less than 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ539-230800-
Chester River to Queenstown MD-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with
scattered tstms this evening, then widespread showers with a chance
of tstms after midnight. Vsby 1 NM or less.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...S winds 5 to 10 kt...becoming W late. Waves 1 ft.
Showers likely.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.

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

$$

ANZ532-230800-
Chesapeake Bay from Sandy Point to North Beach-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with
scattered tstms this evening, then widespread showers with a chance
of tstms after midnight. Vsby 1 NM or less.
.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.
.MON...W winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 5 kt...becoming NW after midnight. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ540-230800-
Eastern Bay-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with
scattered tstms this evening, then widespread showers with a chance
of tstms after midnight. Vsby 1 NM or less.
.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. Showers likely.
.MON...W winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.
.MON NIGHT...SW winds 5 kt...becoming N after midnight. Waves 1 ft
or less.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 kt. Waves less than 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ533-230800-
Chesapeake Bay from North Beach to Drum Point-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 10 kt. Waves 1 ft. Showers likely with scattered
tstms this evening, then widespread showers with a chance of tstms
after midnight. Vsby 1 NM or less.
.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.
.MON...W winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 kt...becoming NW after midnight. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and
tstms through the night.

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

$$

ANZ541-230800-
Choptank River to Cambridge MD and the Little Choptank River-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 10 kt. Waves 1 ft. Showers likely with scattered
tstms this evening, then widespread showers with a chance of tstms
after midnight. Vsby 1 NM or less.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...W winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt...becoming NW after midnight. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ542-230800-
Patuxent River to Broomes Island MD-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with
scattered tstms this evening, then widespread showers with a chance
of tstms after midnight. Vsby 1 NM or less.
.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.
.MON...W winds 5 kt. Waves less than 1 ft.
.MON NIGHT...SW winds 5 kt. Waves less than 1 ft.
.TUE...N winds 5 kt. Waves less than 1 ft.
.TUE NIGHT...NE winds 5 kt. Waves less than 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ534-230800-
Chesapeake Bay from Drum Point to Smith Point-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt late this evening
and overnight. Waves 1 to 2 ft. Showers likely with scattered tstms
this evening, then widespread showers with a chance of tstms after
midnight. Vsby 1 NM or less.
.SUN...W winds 10 to 15 kt...becoming S 5 to 10 kt late. Waves 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 to 2 ft. A chance of showers.
.MON...SW winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.TUE...N winds 10 kt. Waves 1 ft.
.TUE NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 to 2 ft.
.THU...SW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers and
tstms through the night.

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

$$

ANZ543-230800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
732 PM EDT Sat Jul 22 2017

.TONIGHT...SW winds 10 to 15 kt. Waves 1 to 2 ft. Showers likely
with scattered tstms this evening, then showers likely with a chance
of tstms after midnight. Vsby 1 NM or less.
.SUN...W winds 10 to 15 kt...becoming S 5 to 10 kt late. Waves 1 to
2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft. Showers likely.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.TUE...N winds 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.WED...SE winds 5 to 10 kt. Waves 1 ft.
.THU...SW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers and
tstms through the night.

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

$$




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