Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 210832
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
331 AM EST Sun Jan 21 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.

ANZ500-212300-
331 AM EST Sun Jan 21 2018

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

High pressure will build off the southeast coast through Monday. A
cold front will approach the area late Monday and cross the area
early Tuesday. This will be followed by another area of high
pressure for the second half of the week. Small Craft Advisories
will likely be needed Monday night through Wednesday, and gales are
possible Tuesday into Wednesday.

$$

ANZ535-212300-
Tidal Potomac from Key Bridge to Indian Head-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...NW winds 5 kt. Waves less than 1 ft.
.TODAY...S winds around 5 kt. Waves 1 ft.
.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers.
.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 10 to 15 kt...diminishing to 5 kt after midnight.
Waves 1 ft.
.THU...NW winds 5 to 10 kt...becoming light. Waves 1 ft or less.

$$

ANZ536-212300-
Tidal Potomac from Indian Head to Cobb Island-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...NW winds 5 kt. Waves flat.
.TODAY...S winds around 5 kt. Waves 1 ft.
.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 kt...increasing to 10 to 15 kt with gusts to
20 kt after midnight. Waves 1 ft. Showers.
.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...N winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ537-212300-
Tidal Potomac from Cobb Island to Smith Point-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...NW winds 5 kt. Waves flat.
.TODAY...S winds around 5 kt. Waves 1 ft or less.
.TONIGHT...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. Gusts up to 25 kt after midnight.
Waves 2 to 3 ft. Showers likely.
.TUE...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.WED...W winds 10 to 15 kt...becoming NW 5 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ530-212300-
Chesapeake Bay north of Pooles Island-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...NE winds 5 kt. Waves flat.
.TODAY...S winds around 5 kt. Waves flat.
.TONIGHT...S winds around 5 kt. Waves flat.
.MON...S winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 ft. Showers.
.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...N winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ531-212300-
Chesapeake Bay from Pooles Island to Sandy Point-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...SW winds 5 kt. Waves flat.
.TODAY...S winds around 5 kt. Waves flat.
.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Showers.
.TUE...S winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 2 ft. Showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...NW winds 10 to 15 kt...diminishing to 5 kt after midnight.
Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ538-212300-
Patapsco River including Baltimore Harbor-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...NW winds 5 kt. Waves flat.
.TODAY...SE winds around 5 kt. Waves flat.
.TONIGHT...S winds 5 kt. Waves flat.
.MON...S winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers.
.TUE...SW winds 10 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 ft.
.THU...NW winds 5 to 10 kt...becoming light. Waves 1 ft or less.

$$

ANZ539-212300-
Chester River to Queenstown MD-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...SW winds 5 kt. Waves flat.
.TODAY...S winds 5 kt. Waves flat.
.TONIGHT...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 25 kt after midnight.
Waves 1 to 2 ft. Showers.
.TUE...S winds 10 to 15 kt with gusts to 25 kt... becoming W in the
afternoon. Waves 2 ft. Showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ532-212300-
Chesapeake Bay from Sandy Point to North Beach-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...SW winds 5 kt. Waves flat.
.TODAY...S winds around 5 kt. Waves 1 ft or less.
.TONIGHT...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. Showers.
.TUE...S winds 10 to 15 kt...becoming W in the afternoon. Gusts up
to 20 kt. Waves 2 to 3 ft. Showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.WED...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ540-212300-
Eastern Bay-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...SW winds 5 kt. Waves flat.
.TODAY...S winds around 5 kt. Waves flat.
.TONIGHT...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. Gusts up to 25 kt after midnight.
Waves 1 to 2 ft. Showers.
.TUE...S winds 10 to 15 kt with gusts to 25 kt... becoming SW in the
afternoon. Waves 2 ft. Showers.
.TUE NIGHT...W winds 10 to 15 kt. Waves 1 ft.
.WED...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-212300-
Chesapeake Bay from North Beach to Drum Point-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...W winds 5 kt. Waves flat.
.TODAY...S winds 5 kt. Waves less than 1 ft.
.TONIGHT...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. Gusts up to 25 kt after midnight.
Waves 2 to 3 ft. Showers.
.TUE...SW winds 10 to 15 kt. Gusts up to 25 kt in the morning. Waves
2 to 3 ft. Showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.WED...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ541-212300-
Choptank River to Cambridge MD and the Little Choptank River-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...W winds 5 kt. Waves flat.
.TODAY...S winds around 5 kt. Waves 1 ft or less.
.TONIGHT...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. Gusts up to 25 kt after midnight.
Waves 1 to 2 ft. Showers.
.TUE...S winds 15 kt...becoming SW in the afternoon. Gusts up to
25 kt. Waves 2 ft. Showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.WED...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ542-212300-
Patuxent River to Broomes Island MD-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...Light winds. Waves 1 ft.
.TODAY...S winds 5 kt. Waves less than 1 ft.
.TONIGHT...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 ft.
Showers likely.
.TUE...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers.
.TUE NIGHT...W winds 10 kt. Waves 1 ft.
.WED...W winds 10 to 15 kt...becoming NW 5 kt. Waves 1 ft.
.THU...NW winds 5 to 10 kt...becoming light. Waves 1 ft or less.

$$

ANZ534-212300-
Chesapeake Bay from Drum Point to Smith Point-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...W winds 5 kt. Waves less than 1 ft.
.TODAY...S winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 to 2 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 ft...building to 4 ft after midnight. Showers likely.
.TUE...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.WED...NW winds 10 to 15 kt. Waves 1 to 2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$

ANZ543-212300-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
331 AM EST Sun Jan 21 2018

.REST OF THE OVERNIGHT...W winds 5 kt. Waves flat.
.TODAY...S winds 5 to 10 kt. Waves 1 ft or less.
.TONIGHT...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 showers.
.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 with gusts to 20 kt. Waves 1 to
2 ft.
.WED...NW winds 10 to 15 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.

$$




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