Coastal Waters Forecast
Issued by NWS Sterling, VA

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164
FZUS51 KLWX 202331
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
631 PM EST Sat Jan 20 2018

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.  Waves flat where waters are iced over.

ANZ500-210900-
631 PM EST Sat Jan 20 2018

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

High pressure will build from the Gulf Coast to the eastern seaboard
 through this weekend. The next cold front will approach the area
Monday and cross the area early Tuesday. This will be followed by
another area of high pressure for the middle and end of next week.
Small Craft Advisories may be necessary Monday through Wednesday.

$$

ANZ535-210900-
Tidal Potomac from Key Bridge to Indian Head-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds around 5 kt. Waves 1 ft or less.
.SUN...S winds around 5 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Waves 1 ft. Rain.
.TUE...SW winds 10 kt. Waves 1 ft. Showers.
.TUE NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.THU...NW winds 5 to 10 kt...becoming light. Waves 1 ft or less.

$$

ANZ536-210900-
Tidal Potomac from Indian Head to Cobb Island-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds around 5 kt. Waves 1 ft or less.
.SUN...S winds around 5 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 to 2 ft. Rain.
.TUE...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers.
.TUE NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ537-210900-
Tidal Potomac from Cobb Island to Smith Point-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft. Rain likely.
.TUE...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.TUE NIGHT...W winds 10 to 15 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ530-210900-
Chesapeake Bay north of Pooles Island-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds around 5 kt. Waves flat.
.SUN NIGHT...S winds around 5 kt. Waves flat.
.MON...S winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 ft. Rain.
.TUE...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 1 ft. Showers.
.TUE NIGHT...W winds 10 kt. Waves 1 ft.
.WED...NW winds 10 to 15 kt...diminishing to 5 kt after midnight.
Waves 1 to 2 ft.
.THU...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-210900-
Chesapeake Bay from Pooles Island to Sandy Point-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds around 5 kt. Waves flat.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Rain.
.TUE...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 1 to 2 ft. Showers.
.TUE NIGHT...W winds 10 kt. Waves 1 ft.
.WED...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.THU...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ538-210900-
Patapsco River including Baltimore Harbor-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds 5 kt. Waves flat.
.SUN...S winds around 5 kt. Waves flat.
.SUN NIGHT...SW winds around 5 kt. Waves flat.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 10 to 15 kt. Waves 1 ft. Rain.
.TUE...SW winds 10 kt. Waves 1 ft. Showers.
.TUE NIGHT...W winds 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.THU...NW winds 5 to 10 kt...becoming light. Waves 1 ft or less.

$$

ANZ539-210900-
Chester River to Queenstown MD-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds around 5 kt. Waves flat.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Rain.
.TUE...S winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 1 to 2 ft. Showers.
.TUE NIGHT...W winds 10 kt. Waves 1 ft.
.WED...NW winds 10 to 15 kt...diminishing to 5 kt after midnight.
Waves 1 to 2 ft.
.THU...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ532-210900-
Chesapeake Bay from Sandy Point to North Beach-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft...
building to 3 ft after midnight. Rain.
.TUE...SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 2 ft. Showers.
.TUE NIGHT...W winds 10 kt. Waves 1 ft.
.WED...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.THU...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ540-210900-
Eastern Bay-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds around 5 kt. Waves 1 ft or less.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Rain.
.TUE...S winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 1 to 2 ft. Showers.
.TUE NIGHT...W winds 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.THU...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-210900-
Chesapeake Bay from North Beach to Drum Point-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft. Rain likely.
.TUE...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.TUE NIGHT...W winds 10 kt. Waves 1 to 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ541-210900-
Choptank River to Cambridge MD and the Little Choptank River-
631 PM EST Sat Jan 20 2018

.TONIGHT...NW winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Rain likely.
.TUE...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.TUE NIGHT...W winds 10 kt. Waves 1 to 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ542-210900-
Patuxent River to Broomes Island MD-
631 PM EST Sat Jan 20 2018

.TONIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 ft. Rain likely.
.TUE...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers.
.TUE NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.THU...NW winds 5 to 10 kt...becoming light. Waves 1 ft.

$$

ANZ534-210900-
Chesapeake Bay from Drum Point to Smith Point-
631 PM EST Sat Jan 20 2018

.TONIGHT...NW winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 15 to 20 kt. Gusts up to 25 kt after midnight.
Waves 2 to 3 ft.
.TUE...SW winds 15 to 20 kt with gusts to 25 kt. Waves 4 ft...
subsiding to 2 ft in the afternoon. Showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ543-210900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
631 PM EST Sat Jan 20 2018

.TONIGHT...NW winds 5 kt. Waves less than 1 ft.
.SUN...S winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 kt...increasing to 15 to 20 kt with gusts to
25 kt after midnight. Waves 1 to 2 ft. A chance of rain.
.TUE...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers.
.TUE NIGHT...W winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$




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