Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 180231
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1031 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-
1031 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-
1031 PM EDT Thu Aug 17 2017

.REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers. A chance of tstms late this evening, then a slight chance
of tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...NW winds around 5 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...NW winds around 5 kt. Waves 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.
.TUE...SW 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-
1031 PM EDT Thu Aug 17 2017

.REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers. A chance of tstms late this evening, then a slight chance
of tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.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...NW winds around 5 kt. Waves 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft or less.
.TUE...SW 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-
1031 PM EDT Thu Aug 17 2017

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

.REST OF TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft. A
slight chance of tstms. A slight chance of showers late this
evening, then a chance of showers.
.FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers and tstms.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 20 kt...becoming W
5 kt late. Waves 2 ft. 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...N winds around 5 kt. Waves flat.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE...SW 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-
1031 PM EDT Thu Aug 17 2017

.REST OF TONIGHT...S winds 10 kt. Waves 1 ft. A slight chance of
tstms. A slight chance of showers late this evening, then a chance
of showers.
.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 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...NW winds 5 kt. Waves flat.
.SUN NIGHT...S winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft or less.
.TUE...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.

$$

ANZ531-180800-
Chesapeake Bay from Pooles Island to Sandy Point-
1031 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY...

.REST OF TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft. A slight chance of tstms. A slight chance of showers late this
evening, then a chance of showers.
.FRI...S winds 5 to 10 kt. Waves 2 ft. Showers and tstms likely.
.FRI NIGHT...W 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 5 kt. Waves less than 1 ft.
.SUN...NW winds 5 kt. Waves flat.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds 5 kt. Waves less than 1 ft.
.TUE...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.

$$

ANZ538-180800-
Patapsco River including Baltimore Harbor-
1031 PM EDT Thu Aug 17 2017

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of
showers. A chance of tstms late this evening, then a slight chance
of 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 or less. A chance of
showers and tstms.
.SAT...W winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves 1 ft or less.
.SUN...NW winds 5 kt. Waves flat.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.

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

$$

ANZ539-180800-
Chester River to Queenstown MD-
1031 PM EDT Thu Aug 17 2017

.REST OF TONIGHT...S winds 10 kt. Waves 1 ft. A slight chance of
tstms. A slight chance of showers late this evening, then a chance
of showers.
.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. 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...NW winds 5 kt. Waves flat.
.SUN NIGHT...E winds 5 kt. Waves flat.
.MON...S winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ532-180800-
Chesapeake Bay from Sandy Point to North Beach-
1031 PM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY...

.REST OF TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft. A slight chance of tstms. A slight chance of showers late this
evening, then a chance of showers.
.FRI...S winds 10 kt. Waves 2 ft. Showers and tstms likely.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. Showers and tstms
likely.
.SAT...W winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...NW winds 5 kt. Waves flat.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ540-180800-
Eastern Bay-
1031 PM EDT Thu Aug 17 2017

.REST OF TONIGHT...S winds 10 kt. Waves 2 ft. A slight chance of
tstms. A slight chance of showers late this evening, then a chance
of showers.
.FRI...S winds 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...W 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 around 5 kt. Waves 1 ft or less.
.SUN...NW winds 5 kt. Waves flat.
.SUN NIGHT...E winds 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds 5 to 10 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-
1031 PM EDT Thu Aug 17 2017

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

.REST OF TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft. A
slight chance of tstms. A slight chance of showers late this
evening, then a chance of showers.
.FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers and tstms.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 20 kt...becoming W
5 kt late. Waves 2 to 3 ft. Showers and tstms likely.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SW winds 5 kt. Waves flat.
.SUN...N winds around 5 kt. Waves flat.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves flat...building to 2 ft.
.TUE...SW winds 5 to 10 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-
1031 PM EDT Thu Aug 17 2017

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

.REST OF TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft. A
slight chance of tstms. A slight chance of showers late this
evening, then a chance of showers.
.FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers and tstms.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 20 kt...becoming W
5 kt late. Waves 2 ft. Showers and tstms likely.
.SAT...W winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SW winds around 5 kt. Waves flat.
.SUN...NW winds around 5 kt. Waves flat.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft or less.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ542-180800-
Patuxent River to Broomes Island MD-
1031 PM EDT Thu Aug 17 2017

.REST OF TONIGHT...S winds 10 kt. Waves 1 ft. A slight chance of
tstms. A slight chance of showers late this evening, then a chance
of showers.
.FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI NIGHT...W winds 5 to 10 kt. Waves 1 ft. Showers and tstms
likely.
.SAT...NW winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...SW winds around 5 kt. Waves 1 ft.
.SUN...W winds around 5 kt. Waves 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 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-
1031 PM EDT Thu Aug 17 2017

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

.REST OF TONIGHT...S winds 15 kt with gusts to 20 kt. Waves 3 ft. A
chance of showers with a slight chance of tstms.
.FRI...S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A chance
of showers and tstms.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 25 kt...becoming W
5 to 10 kt late. Waves 2 to 3 ft. 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...N winds around 5 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE...SW winds 10 to 15 kt. Waves 2 to 3 ft.

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

$$

ANZ543-180800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1031 PM EDT Thu Aug 17 2017

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

.REST OF TONIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers with a slight chance of tstms.
.FRI...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A chance
of showers and tstms.
.FRI NIGHT...SW winds 10 to 15 kt with gusts to 25 kt...becoming W
5 to 10 kt late. Waves 2 ft. Showers and tstms likely.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SUN...W winds around 5 kt. Waves flat.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less...building to 2 ft.
.TUE...SW winds 10 to 15 kt. Waves 2 to 3 ft.

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

$$




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