Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 171503
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1103 AM 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.

ANZ500-172000-
1103 AM EDT Thu Aug 17 2017

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

A warm front will pass through the area today before a cold front
approaches Friday. The cold front will 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.

$$

ANZ535-172000-
Tidal Potomac from Key Bridge to Indian Head-
1103 AM EDT Thu Aug 17 2017

.REST OF TODAY...S winds 5 kt. Waves less than 1 ft. A slight chance
of showers late this morning, then a chance of showers and tstms
this afternoon.
.TONIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and 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. 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.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-172000-
Tidal Potomac from Indian Head to Cobb Island-
1103 AM EDT Thu Aug 17 2017

.REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft. A chance of
showers. A slight chance of tstms late this morning, then a chance
of tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
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. 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.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ537-172000-
Tidal Potomac from Cobb Island to Smith Point-
1103 AM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE FRIDAY NIGHT...

.REST OF TODAY...S winds 5 to 10 kt. Gusts up to 20 kt this
afternoon. Waves 1 to 2 ft. A slight chance of showers and tstms
late this morning, then a chance of showers and tstms this
afternoon.
.TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft. 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...S winds 10 to 15 kt...becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 1 to 2 ft. A chance of showers
and tstms.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves flat.
.SUN...SE winds around 5 kt. Waves 1 ft or less.
.MON...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ530-172000-
Chesapeake Bay north of Pooles Island-
1103 AM EDT Thu Aug 17 2017

.REST OF TODAY...SE winds 5 to 10 kt. Waves 1 ft or less. A slight
chance of showers. A slight chance of tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers and tstms.
.SAT...W winds 5 to 10 kt. Waves 1 ft or less.
.SAT NIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ531-172000-
Chesapeake Bay from Pooles Island to Sandy Point-
1103 AM EDT Thu Aug 17 2017

.REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft or less... building
to 2 ft late. A slight chance of showers late this morning, then a
chance of showers and tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 2 ft. A chance of showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...SW 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 around 5 kt. Waves 1 ft or less.
.SUN...SE winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ538-172000-
Patapsco River including Baltimore Harbor-
1103 AM EDT Thu Aug 17 2017

.REST OF TODAY...SE winds 5 to 10 kt. Waves 1 ft or less. A slight
chance of showers late this morning, then a chance of showers and
tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of
showers and tstms.
.SAT...NW winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...NW winds around 5 kt. Waves 1 ft or less.
.SUN...SE winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft.

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

$$

ANZ539-172000-
Chester River to Queenstown MD-
1103 AM EDT Thu Aug 17 2017

.REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft or less. A slight
chance of showers. A slight chance of tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.FRI...S winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. 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...SE winds around 5 kt. Waves flat.
.MON...S winds 5 kt. Waves less than 1 ft.

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

$$

ANZ532-172000-
Chesapeake Bay from Sandy Point to North Beach-
1103 AM EDT Thu Aug 17 2017

.REST OF TODAY...S winds 5 to 10 kt. Waves 1 to 2 ft. A slight
chance of showers late this morning, then a chance of showers and
tstms this afternoon.
.TONIGHT...S winds 10 kt. Waves 2 ft. A chance of showers and tstms.
.FRI...S winds 10 kt. Waves 2 ft. Showers and tstms likely.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 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...SE winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ540-172000-
Eastern Bay-
1103 AM EDT Thu Aug 17 2017

.REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft or less. A slight
chance of showers. A chance of tstms this afternoon.
.TONIGHT...S winds 10 kt. Waves 1 ft. A chance of showers and tstms.
.FRI...S winds 10 kt. Waves 1 ft. Showers and tstms likely.
.FRI NIGHT...SW 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 5 kt. Waves less than 1 ft.
.SUN...SE winds around 5 kt. Waves flat.
.MON...S winds 5 kt. Waves less than 1 ft.

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

$$

ANZ533-172000-
Chesapeake Bay from North Beach to Drum Point-
1103 AM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE FRIDAY NIGHT...

.REST OF TODAY...S winds 5 to 10 kt. Gusts up to 20 kt this
afternoon. Waves 1 to 2 ft. A slight chance of showers late this
morning, then a chance of showers and tstms this afternoon.
.TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers.
.FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers
and tstms likely.
.FRI NIGHT...S winds 10 to 15 kt...becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 1 to 2 ft. Showers and tstms
likely.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves flat.
.SUN...SE winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ541-172000-
Choptank River to Cambridge MD and the Little Choptank River-
1103 AM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE FRIDAY NIGHT...

.REST OF TODAY...S winds 5 to 10 kt. Gusts up to 20 kt this
afternoon. Waves 1 ft. A slight chance of showers late this morning,
then a chance of showers and tstms this afternoon.
.TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers.
.FRI...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers
and tstms likely.
.FRI NIGHT...S winds 10 to 15 kt...becoming W 5 to 10 kt after
midnight. Gusts up to 20 kt. Waves 1 to 2 ft. Showers and tstms
likely.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds around 5 kt. Waves flat.
.SUN...SE winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ542-172000-
Patuxent River to Broomes Island MD-
1103 AM EDT Thu Aug 17 2017

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

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

$$

ANZ534-172000-
Chesapeake Bay from Drum Point to Smith Point-
1103 AM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE FRIDAY NIGHT...

.REST OF TODAY...S winds 5 to 10 kt...increasing to 15 kt with gusts
to 20 kt late. Waves 1 to 2 ft. A slight chance of showers. A slight
chance of tstms this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. A
chance of showers.
.FRI...S winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A chance
of showers and tstms.
.FRI NIGHT...S winds 10 to 15 kt...becoming SW 5 to 10 kt after
midnight. Gusts up to 25 kt. 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...SE winds around 5 kt. Waves 1 ft or less.
.MON...S winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ543-172000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1103 AM EDT Thu Aug 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE FRIDAY NIGHT...

.REST OF TODAY...S winds 5 to 10 kt. Gusts up to 20 kt this
afternoon. Waves 1 to 2 ft. A slight chance of showers. A slight
chance of tstms this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.FRI...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A chance
of showers and tstms.
.FRI NIGHT...S winds 10 to 15 kt...becoming SW 5 to 10 kt after
midnight. Gusts up to 25 kt. Waves 1 to 2 ft. Showers and tstms
likely.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SW winds around 5 kt. Waves flat.
.SUN...SE winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$



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