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
038
FZUS51 KLWX 182141
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
441 PM EST Sat Nov 18 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.

ANZ500-190900-
441 PM EST Sat Nov 18 2017

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

A strong cold front will move across the waters late tonight into
early Sunday morning and high pressure will build to our south later
 Sunday through Monday. The high will move offshore Tuesday and a
cold front will pass through late Tuesday night into Wednesday. A
Small Craft Advisory may be needed for portions of the waters Monday
 and Tuesday.

$$

ANZ535-190900-
Tidal Potomac from Key Bridge to Indian Head-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 25 kt... increasing to
35 kt late. Waves 2 ft. Showers.
.SUN...NW winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 ft.
.MON...W winds 10 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...SW winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.WED...N winds 5 kt. Waves less than 1 ft.

$$

ANZ536-190900-
Tidal Potomac from Indian Head to Cobb Island-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 25 kt. Waves
2 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
Showers.
.SUN...NW winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
.SUN NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-190900-
Tidal Potomac from Cobb Island to Smith Point-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 25 kt. Waves
3 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
Showers.
.SUN...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
Showers.
.SUN NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.MON NIGHT...SW winds 10 kt. Waves 1 to 2 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.WED...N winds 10 to 15 kt. Waves 1 ft.

$$

ANZ530-190900-
Chesapeake Bay north of Pooles Island-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers likely.
.TONIGHT...SW winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
Showers.
.SUN...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.SUN NIGHT...W winds 15 to 20 kt. Gusts up to 30 kt... diminishing
to 20 kt after midnight. Waves 2 ft.
.MON...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-190900-
Chesapeake Bay from Pooles Island to Sandy Point-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
2 ft. Showers likely.
.TONIGHT...SW winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
Showers.
.SUN...W winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.SUN NIGHT...W winds 20 to 25 kt with gusts to 30 kt... diminishing
to 15 kt with gusts to 20 kt after midnight. Waves 2 to 3 ft.
.MON...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON NIGHT...SW winds 10 kt. Waves 1 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ538-190900-
Patapsco River including Baltimore Harbor-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Showers likely.
.TONIGHT...SW winds 15 to 20 kt. Gusts up to 25 kt... increasing to
35 kt late. Waves 2 ft. Showers.
.SUN...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.SUN NIGHT...W winds 15 to 20 kt. Gusts up to 30 kt... diminishing
to 20 kt after midnight. Waves 1 to 2 ft.
.MON...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ539-190900-
Chester River to Queenstown MD-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers likely.
.TONIGHT...SW winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
Showers.
.SUN...NW winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft.
.SUN NIGHT...W winds 20 to 25 kt...diminishing to 15 kt after
midnight. Gusts up to 30 kt. Waves 4 ft...subsiding to 2 ft after
midnight.
.MON...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...SW winds 10 kt. Waves 1 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ532-190900-
Chesapeake Bay from Sandy Point to North Beach-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 25 kt. Waves
3 ft. A chance of showers.
.TONIGHT...SW winds 15 to 20 kt with gusts to 35 kt. Waves 4 ft.
Showers.
.SUN...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.SUN NIGHT...NW winds 15 to 20 kt. Gusts up to 30 kt...diminishing
to 20 kt after midnight. Waves 2 to 3 ft.
.MON...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON NIGHT...SW winds 10 kt. Waves 1 to 2 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ540-190900-
Eastern Bay-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
2 ft. A chance of showers.
.TONIGHT...SW winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
Showers.
.SUN...NW winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to
3 ft.
.MON...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...SW winds 10 kt. Waves 1 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-190900-
Chesapeake Bay from North Beach to Drum Point-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 25 kt. Waves
3 ft.
.TONIGHT...SW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
Showers.
.SUN...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...SW winds 10 kt. Waves 1 to 2 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.WED...N winds 5 to 10 kt. Waves 1 ft...building to 3 ft.

$$

ANZ541-190900-
Choptank River to Cambridge MD and the Little Choptank River-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TONIGHT...SW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
Showers.
.SUN...NW winds 25 to 30 kt. Waves 4 ft.
.SUN NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.MON...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...SW winds 10 kt. Waves 1 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ542-190900-
Patuxent River to Broomes Island MD-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
1 ft.
.TONIGHT...SW winds 15 to 20 kt. Gusts up to 25 kt... increasing to
35 kt late. Waves 1 ft. Showers.
.SUN...NW winds 20 to 25 kt with gusts to 35 kt. Waves 2 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.MON...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...SW winds 10 kt. Waves 1 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers through
the night.
.WED...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ534-190900-
Chesapeake Bay from Drum Point to Smith Point-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 25 kt. Waves
5 ft.
.TONIGHT...SW winds 20 to 25 kt with gusts to 35 kt. Waves 5 ft.
Showers.
.SUN...NW winds 25 to 30 kt. Waves 6 ft. Showers.
.SUN NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...SW winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers
through the night.
.WED...N winds 10 to 15 kt. Waves 1 ft...building to 3 ft.

$$

ANZ543-190900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
441 PM EST Sat Nov 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...
...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 25 kt. Waves
3 ft.
.TONIGHT...SW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
Showers.
.SUN...NW winds 25 to 30 kt. Waves 4 ft. Showers.
.SUN NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.TUE...SW winds 10 to 15 kt. Waves 2 ft. A chance of showers through
the night.
.WED...N winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers
through the day.

$$




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