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 191432
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1031 AM EDT Sat Aug 19 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.

ANZ500-192000-
1031 AM EDT Sat Aug 19 2017

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

Weak high pressure will build over the waters through this
afternoon. A weak reinforcing cold front will pass through the area
this evening and high pressure will return for Sunday. The high will
 move offshore Monday and a stronger cold front will approach
Tuesday  before passing through Wednesday. High pressure will build
overhead  behind this boundary. Small Craft Advisories may be needed
Monday  night through Tuesday night...and they will likely be needed
 Wednesday into Wednesday night.

$$

ANZ535-192000-
Tidal Potomac from Key Bridge to Indian Head-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...NW winds 5 kt. Waves less than 1 ft.
.SUN...NW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.MON...S winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms through the night.
.WED...NW 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.

$$

ANZ536-192000-
Tidal Potomac from Indian Head to Cobb Island-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...NW winds around 5 kt. Waves 1 ft.
.SUN...NW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.MON...S winds around 5 kt. Waves 1 ft.
.MON NIGHT...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.
.WED...NW 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.

$$

ANZ537-192000-
Tidal Potomac from Cobb Island to Smith Point-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...NW winds 5 to 10 kt...becoming SW late. Waves 1 to
2 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...SE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and
tstms.

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

$$

ANZ530-192000-
Chesapeake Bay north of Pooles Island-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...NW winds 5 kt. Waves less than 1 ft.
.SUN...NW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves flat.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers
and tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...NW 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.

$$

ANZ531-192000-
Chesapeake Bay from Pooles Island to Sandy Point-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...SW winds 5 kt. Waves less than 1 ft.
.TONIGHT...NW winds 5 kt. Waves less than 1 ft.
.SUN...N winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...SE winds 5 to 10 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...NW 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.

$$

ANZ538-192000-
Patapsco River including Baltimore Harbor-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...NW 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 around 5 kt. Waves flat.
.MON NIGHT...S winds 5 kt. Waves flat.
.TUE...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
and tstms through the night.
.WED...NW 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.

$$

ANZ539-192000-
Chester River to Queenstown MD-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...NW winds 5 kt. Waves less than 1 ft.
.SUN...N winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...E winds 5 kt. Waves flat.
.MON...SE winds 5 to 10 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...NW 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.

$$

ANZ532-192000-
Chesapeake Bay from Sandy Point to North Beach-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...N winds 10 kt...becoming SW this afternoon. Waves
1 to 2 ft.
.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...NE winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...SE winds 5 to 10 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.WED...NW 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.

$$

ANZ540-192000-
Eastern Bay-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...N winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...SE winds 5 to 10 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.WED...NW 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.

$$

ANZ533-192000-
Chesapeake Bay from North Beach to Drum Point-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...NW winds 5 to 10 kt...becoming SW late. Waves 1 to
2 ft.
.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...SE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
and tstms in the morning. A chance of showers and tstms through the
night.
.WED...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and
tstms.

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

$$

ANZ541-192000-
Choptank River to Cambridge MD and the Little Choptank River-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...NW winds 5 to 10 kt...becoming SW late. Waves 1 to
2 ft.
.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves flat.
.MON...SE winds 5 to 10 kt. Waves flat.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers and
tstms in the morning. A chance of showers and tstms through the
night.
.WED...N 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.

$$

ANZ542-192000-
Patuxent River to Broomes Island MD-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...NW winds 5 kt. Waves less than 1 ft.
.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...SE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.WED...N 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.

$$

ANZ534-192000-
Chesapeake Bay from Drum Point to Smith Point-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...N winds 10 kt...becoming SW late. Waves 1 to 2 ft.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...SE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 kt. Waves 1 to 2 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft... building to 3 ft
after midnight.
.WED...W winds 10 to 15 kt...becoming N. Waves 3 ft...subsiding to
1 to 2 ft in the afternoon and evening, then building to 3 ft after
midnight. A chance of showers and tstms.

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

$$

ANZ543-192000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1031 AM EDT Sat Aug 19 2017

.REST OF TODAY...NW winds 10 kt...becoming W late. Waves 1 ft.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds around 5 kt. Waves 1 ft.
.MON...SE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and
tstms.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
and tstms in the morning.
.WED...W winds 10 to 15 kt...becoming N 5 to 10 kt. Waves 1 to 2 ft.
A chance of showers and tstms.

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.