Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 180322
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1022 PM EST Sat Feb 17 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.

ANZ500-180900-
1022 PM EST Sat Feb 17 2018

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

A wave of low pressure will track along a cold front to our south
tonight. High pressure will return for Sunday, then move offshore
early next week. A warm front will move north across the waters
Monday. Small Craft Advisories may be needed Tuesday through
Wednesday.

$$

ANZ535-180900-
Tidal Potomac from Key Bridge to Indian Head-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...W winds 5 kt. Waves less than 1 ft. A slight
chance of rain late this evening. Patchy fog with vsby 1 to 3 NM.
.SUN...W winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...NE winds 5 kt. Waves less than 1 ft. Showers likely through
the day, then a chance of showers through the night.

$$

ANZ536-180900-
Tidal Potomac from Indian Head to Cobb Island-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...W winds 5 kt. Waves less than 1 ft. A slight
chance of rain late this evening. Patchy fog with vsby 1 to 3 NM.
.SUN...NW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.THU...NE winds 5 kt. Waves less than 1 ft. A chance of showers.

$$

ANZ537-180900-
Tidal Potomac from Cobb Island to Smith Point-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of rain
late this evening. Patchy fog with vsby 1 to 3 NM.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.THU...N winds 5 kt. Waves less than 1 ft. A chance of showers.

$$

ANZ530-180900-
Chesapeake Bay north of Pooles Island-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...SW winds 5 kt...becoming W late. Waves 1 ft or
less. A chance of snow late this evening. Patchy fog. Vsby 1 to
3 NM.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...S winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.THU...NE winds 5 kt. Waves less than 1 ft. Showers likely through
the day, then a chance of showers through the night.

$$

ANZ531-180900-
Chesapeake Bay from Pooles Island to Sandy Point-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...SW winds 5 kt...becoming W late. Waves 1 ft or
less. A chance of rain and sleet late this evening. Patchy fog with
vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.THU...NE winds 5 kt. Waves less than 1 ft. Showers likely through
the day, then a chance of showers through the night.

$$

ANZ538-180900-
Patapsco River including Baltimore Harbor-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...SW winds 5 kt...becoming W late. Waves 1 ft or
less. A chance of rain and sleet late this evening. Patchy fog with
vsby 1 to 3 NM.
.SUN...W winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.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 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.THU...NE winds 5 kt. Waves less than 1 ft. Showers likely through
the day, then a chance of showers through the night.

$$

ANZ539-180900-
Chester River to Queenstown MD-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...S winds 5 kt...becoming W late. Waves 1 ft or
less. A chance of rain and sleet late this evening. Patchy fog with
vsby 1 to 3 NM.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.MON...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON NIGHT...S winds 10 kt. Waves 1 ft.
.TUE...SW winds 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.THU...NE winds 5 kt. Waves less than 1 ft. A chance of showers.

$$

ANZ532-180900-
Chesapeake Bay from Sandy Point to North Beach-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...SW winds 5 kt...becoming W late. Waves 1 ft or
less. A chance of rain late this evening. Patchy fog with vsby 1 to
3 NM.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 10 kt. Waves 1 to 2 ft.
.TUE NIGHT...SW winds 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.THU...NE winds 5 kt. Waves less than 1 ft. A chance of showers.

$$

ANZ540-180900-
Eastern Bay-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...N winds 5 kt...becoming W late. Waves 1 ft or
less. A chance of rain late this evening. Patchy fog with vsby 1 to
3 NM.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON NIGHT...S winds 10 kt. Waves 1 ft.
.TUE...SW winds 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.THU...NE winds 5 kt. Waves less than 1 ft. A chance of showers.

$$

ANZ533-180900-
Chesapeake Bay from North Beach to Drum Point-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. A chance
of rain late this evening. Patchy fog with vsby 1 to 3 NM.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 10 kt. Waves 1 ft.
.TUE NIGHT...SW winds 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.
.THU...NE winds 5 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ541-180900-
Choptank River to Cambridge MD and the Little Choptank River-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. A chance
of rain late this evening. Patchy fog with vsby 1 to 3 NM.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.THU...NE winds 5 kt. Waves less than 1 ft. A chance of showers.

$$

ANZ542-180900-
Patuxent River to Broomes Island MD-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of rain
late this evening. Patchy fog with vsby 1 to 3 NM.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 kt. Waves less than 1 ft.
.MON...S winds 5 kt. Waves less than 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 kt. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.
.THU...NE winds 5 kt. Waves less than 1 ft. A chance of showers.

$$

ANZ534-180900-
Chesapeake Bay from Drum Point to Smith Point-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of rain
late this evening. Patchy fog with vsby 1 to 3 NM.
.SUN...N winds 5 to 10 kt. Waves 1 to 2 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON NIGHT...S winds 10 kt. Waves 1 to 2 ft.
.TUE...SW winds 10 kt. Waves 2 ft.
.TUE NIGHT...S winds 10 to 15 kt. Waves 2 ft.
.WED...SW winds 10 to 15 kt...becoming W 5 kt after midnight. Waves
2 ft. A chance of showers through the night.
.THU...NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ543-180900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1022 PM EST Sat Feb 17 2018

.REST OF TONIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of rain
late this evening. Patchy fog with vsby 1 to 3 NM.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 10 kt. Waves 1 ft.
.TUE NIGHT...S winds 10 to 15 kt. Waves 1 ft.
.WED...SW winds 10 to 15 kt...diminishing to 5 kt after midnight.
Waves 1 to 2 ft. A chance of showers through the night.
.THU...NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.

$$




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