Coastal Waters Forecast
Issued by NWS Sterling, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS51 KLWX 220231
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1031 PM EDT Mon Aug 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.

ANZ500-220800-
1031 PM EDT Mon Aug 21 2017

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

High pressure will remain offshore through tonight. A cold front
will cross the waters late Tuesday night into early Wednesday. High
pressure will return for the second half of the week.

$$

ANZ535-220800-
Tidal Potomac from Key Bridge to Indian Head-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 kt. Waves 1 ft. Isolated showers late
this evening, then a slight chance of showers and tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.WED...NW winds 5 kt. Waves less than 1 ft. A chance of showers.
.WED NIGHT...N winds around 5 kt. Waves 1 ft.
.THU...N winds 5 kt. Waves less than 1 ft.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 kt. Waves less than 1 ft.
.SAT...NE winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-220800-
Tidal Potomac from Indian Head to Cobb Island-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft. Isolated
showers late this evening, then a slight chance of showers and
tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.WED...NW winds 5 kt. Waves less than 1 ft. A chance of showers.
.WED NIGHT...N winds around 5 kt. Waves 1 ft.
.THU...N winds 5 kt. Waves less than 1 ft.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 kt. Waves less than 1 ft.
.SAT...NE winds around 5 kt. Waves 1 ft.

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

$$

ANZ537-220800-
Tidal Potomac from Cobb Island to Smith Point-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft.
Isolated showers late this evening, then a slight chance of showers
and tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ530-220800-
Chesapeake Bay north of Pooles Island-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 kt. Waves 1 ft. Isolated showers late
this evening, then a slight chance of showers and tstms.
.TUE...S winds 5 to 10 kt with gusts to 20 kt... increasing to 15 kt
with gusts to 20 kt late. Waves 1 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt...diminishing
to 5 kt late. Waves 1 to 2 ft. A chance of showers and tstms.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...NW winds 5 kt. Waves less than 1 ft.
.THU...N winds 5 kt. Waves less than 1 ft.
.THU NIGHT...N winds 5 kt. Waves flat.
.FRI...N winds 5 kt. Waves less than 1 ft.
.SAT...N winds 5 kt. Waves less than 1 ft.

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

$$

ANZ531-220800-
Chesapeake Bay from Pooles Island to Sandy Point-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 kt. Waves 2 ft. Isolated showers late
this evening, then a slight chance of showers and tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ538-220800-
Patapsco River including Baltimore Harbor-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Isolated showers
late this evening, then a slight chance of showers and tstms.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft or less.
.WED NIGHT...N winds 5 kt. Waves less than 1 ft.
.THU...N winds 5 kt. Waves less than 1 ft.
.THU NIGHT...N winds 5 kt. Waves flat.
.FRI...N winds 5 kt. Waves less than 1 ft.
.SAT...NE winds around 5 kt. Waves 1 ft.

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

$$

ANZ539-220800-
Chester River to Queenstown MD-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft.
Isolated showers late this evening, then a slight chance of showers
and tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt...becoming W
5 to 10 kt late. Waves 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ532-220800-
Chesapeake Bay from Sandy Point to North Beach-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft.
Isolated showers late this evening, then a slight chance of showers
and tstms.
.TUE...S winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt...becoming W
5 to 10 kt late. Waves 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ540-220800-
Eastern Bay-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft. Isolated showers late this evening, then a slight chance of
showers and tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt...becoming W
5 to 10 kt late. Waves 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 kt. Waves flat.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ533-220800-
Chesapeake Bay from North Beach to Drum Point-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft. Isolated showers late this evening, then a slight chance of
showers and tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt...becoming W
5 to 10 kt late. Waves 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ541-220800-
Choptank River to Cambridge MD and the Little Choptank River-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft. Isolated showers late this evening, then a slight chance of
showers and tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt...becoming W
5 to 10 kt late. Waves 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ542-220800-
Patuxent River to Broomes Island MD-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 10 kt. Waves 1 ft. Isolated showers late
this evening, then a slight chance of showers and tstms.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt until early
morning. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...NE winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ534-220800-
Chesapeake Bay from Drum Point to Smith Point-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 15 kt with gusts to 20 kt. Waves 3 ft.
Isolated showers late this evening, then a slight chance of showers
and tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Waves 3 ft.
.WED...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 2 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 10 kt. Waves 1 to 2 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ543-220800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1031 PM EDT Mon Aug 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft.
Isolated showers late this evening, then a slight chance of showers
and tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Waves 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.

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

$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.