Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 281732
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
132 PM EDT Fri Jul 28 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.

ANZ500-290800-
132 PM EDT Fri Jul 28 2017

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

Low pressure will approach the waters today and then intensify as it
 moves over the Mid Atlantic tonight. The low is expected to stall
out over the DelMarVa Peninsula Saturday into early Sunday before
moving out to sea late Sunday into Monday. A Small Craft Advisory
may be needed Sunday into Monday. A Gale Warning may be needed for
portions of the waters Saturday afternoon through Saturday night.

$$

ANZ535-290800-
Tidal Potomac from Key Bridge to Indian Head-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. Showers and
tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft. Showers and tstms. Vsby
1 NM or less.
.SAT...N winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers. Vsby
1 NM or less.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...N winds around 5 kt. Waves 1 ft.
.MON...W 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.

$$

ANZ536-290800-
Tidal Potomac from Indian Head to Cobb Island-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. Showers and
tstms.
.TONIGHT...E winds 5 kt...becoming N late. Waves 1 ft. Showers and
tstms. Vsby 1 NM or less.
.SAT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers.
Vsby 1 NM or less.
.SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. A chance of showers.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...N winds 5 kt. Waves less than 1 ft.
.MON...W 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.

$$

ANZ537-290800-
Tidal Potomac from Cobb Island to Smith Point-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. Showers and
tstms.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft. Showers and tstms. Vsby
1 NM or less.
.SAT...N winds 10 to 15 kt. Gusts up to 20 kt... increasing to 25 kt
late. Waves 1 ft...building to 3 ft in the afternoon. Showers. Vsby
1 NM or less.
.SAT NIGHT...N winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft. A
chance of showers.
.SUN...N winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
.SUN NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ530-290800-
Chesapeake Bay north of Pooles Island-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.THIS AFTERNOON...SE winds 5 kt. Waves flat. Showers with a chance
of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft. Widespread showers with a chance
of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers
likely. Vsby 1 NM or less.
.SAT NIGHT...N winds 10 kt with gusts to 20 kt. Waves 1 ft. A chance
of showers.
.SUN...N winds 10 kt. Waves 1 ft.
.SUN NIGHT...NE winds 5 kt. Waves less than 1 ft.
.MON...NW winds around 5 kt. Waves 1 ft or less.
.TUE...W winds 5 kt. Waves less than 1 ft.

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

$$

ANZ531-290800-
Chesapeake Bay from Pooles Island to Sandy Point-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. Showers with
a chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Widespread showers with a chance of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers. Vsby 1 NM or less.
.SAT NIGHT...N winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 2 ft. A chance of showers.
.SUN...N winds 10 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...N winds 5 kt. Waves less than 1 ft.
.TUE...W winds 5 kt. Waves less than 1 ft.

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

$$

ANZ538-290800-
Patapsco River including Baltimore Harbor-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft. Showers with a
chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the late
evening and overnight. Waves 1 ft. Widespread showers with a chance
of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. Showers.
Vsby 1 NM or less.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.SUN...N winds 10 kt. Waves 1 ft.
.SUN NIGHT...NE winds 5 kt. Waves less than 1 ft.
.MON...W winds around 5 kt. Waves 1 ft or less.
.TUE...W winds 5 kt. Waves less than 1 ft.

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

$$

ANZ539-290800-
Chester River to Queenstown MD-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. Showers with
a chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Widespread showers with a chance of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers.
Vsby 1 NM or less.
.SAT NIGHT...N winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 2 ft. A chance of showers.
.SUN...N winds 10 kt. Waves 1 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...N winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ532-290800-
Chesapeake Bay from Sandy Point to North Beach-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. Showers with
a chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Widespread showers with a chance of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers. Vsby 1 NM or less.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A
chance of showers.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...NE winds 5 to 10 kt...becoming W after midnight. Waves 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ540-290800-
Eastern Bay-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...SE winds 5 to 10 kt. Waves 1 ft or less. Showers
with a chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Widespread showers with a chance of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers. Vsby 1 NM or less.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...N winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ533-290800-
Chesapeake Bay from North Beach to Drum Point-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. Showers and
tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers and tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers. Vsby 1 NM or less.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A
chance of showers.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 to 2 ft.
.MON...NE winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ541-290800-
Choptank River to Cambridge MD and the Little Choptank River-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. Widespread
showers with a chance of tstms. Vsby 1 NM or less.
.TONIGHT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Widespread showers with a chance of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers.
Vsby 1 NM or less.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A
chance of showers.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...NE winds 5 to 10 kt...becoming W after midnight. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ542-290800-
Patuxent River to Broomes Island MD-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. Showers and
tstms.
.TONIGHT...S winds 5 to 10 kt...becoming NW late. Waves 1 ft.
Showers and tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt. Gusts up to 20 kt... increasing to 25 kt
late. Waves 1 ft. Showers. Vsby 1 NM or less.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A
chance of showers.
.SUN...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt...becoming W after midnight. Waves 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ534-290800-
Chesapeake Bay from Drum Point to Smith Point-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Showers and tstms. Vsby
1 NM or less.
.TONIGHT...SW winds 10 kt with gusts to 20 kt. Waves 2 ft. Showers
and tstms. Vsby 1 NM or less.
.SAT...N winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft.
Showers. Vsby 1 NM or less.
.SAT NIGHT...N winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft. A
chance of showers.
.SUN...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.MON...N winds 10 to 15 kt...becoming NW 5 to 10 kt after midnight.
Waves 1 to 2 ft.
.TUE...NW winds 5 to 10 kt...becoming SW. Waves 1 to 2 ft.

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

$$

ANZ543-290800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
132 PM EDT Fri Jul 28 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

.THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Widespread showers with
a chance of tstms. Vsby 1 NM or less.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. Widespread showers with
a chance of tstms. Vsby 1 NM or less.
.SAT...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers. Vsby 1 NM or less.
.SAT NIGHT...N winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A
chance of showers.
.SUN...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SUN NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...N winds 10 to 15 kt...becoming NW 5 kt after midnight. Waves
1 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.

$$




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