Dial-a-Buoy877-BUOY BAY

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Potomac - PL

Near Point Lookout, MD

Geolocation is 38.033, -76.3355

Data in red are more than 12 hours old.
Parameter Group Sort Value Unit Date Graphs
Barometric PressureMeteorological130.4inches2019-09-19 10:30 EDT1 7 30
Air TemperatureMeteorological164.4F2019-09-19 10:30 EDT1 7 30
Chlorophyll AWaterQuality27.58ug/L2019-09-19 10:30 EDT1 7 30
Dissolved OxygenWaterQuality26.54mg/L2019-09-19 10:30 EDT1 7 30
Current SpeedCurrents40.260kts2019-09-19 10:30 EDT1 7 30
Significant Wave HeightWaves30.80ft2019-09-19 10:00 EDT1 7 30
Mean Wave PeriodWaves33.5s2019-09-19 10:00 EDT1 7 30
Water SalinityWaterQuality215.1PSU2019-09-19 10:30 EDT1 7 30
Water TemperatureWaterQuality275.7F2019-09-19 10:30 EDT1 7 30
TurbidityWaterQuality21NTU2019-09-19 10:30 EDT1 7 30
Wind DirectionMeteorological159Deg. Mag.2019-09-19 10:30 EDT1 7 30
Wind SpeedMeteorological112.6kts2019-09-19 10:30 EDT1 7 30
Wind GustMeteorological115.7kts2019-09-19 10:30 EDT1 7 30
Sea Nettle ProbabilityWaterQuality237%2019-09-19 10:30 EDT1 7 30
Current DirectionCurrents4145Deg. Mag.2019-09-19 10:30 EDT1 7 30
LatitudePosition538.03333Degrees2019-09-19 10:30 EDT1 7 30
LongitudePosition5-76.33765Degrees2019-09-19 10:30 EDT1 7 30
Wave Direction (From)Waves394Deg. Mag.2019-09-19 10:00 EDT1 7 30

The 16th of June we fell with the river Patowomek (Potomac): feare being gone, and our men recovered, we were all content to take some paines, to know the name of that seven mile broad river: for thirtie myles sayle, we could see no inhabitants" - Captain John Smith, 1608

Travel this route today and you are sure to encounter many inhabitants. The Potomac River, which is adjacent to Washington, D.C., is one of the most heavily populated and altered watersheds in the Chesapeake Bay. Since 1999, NOAA has been working with local and state partners to assess contaminants, restore tidal wetlands and fish habitat, create new public access, and cleanup trash in the Anacostia River, which is a tributary of the Potomac River.

Visit the buoy from Point Lookout State Park.

Be sure to check the weather forecast before you head out.

For more information on the history of the Potomac and areas surrounding the buoy, please visit:

For more in depth analysis please visit data tools.