Potomac River Water Level

[Brian Ibanez]

Sorry if this is already well known, but is there a website that keeps track of the water level in the Potomac River, especially further up river near say Blockhouse Point Park?

Would also like to see historical averages by month.

Thanks for the help!

[Sardman]

http://waterdata.usgs.gov/usa/nwis/uv?01646500

 

this is what you are looking for.

 

Mauro

[Mike Bailey]

Here is a good source.

http://waterdata.usgs.gov/md/nwis/rt

Then there is this

http://water.weather.gov/ahps2/index.php?wfo=lwx

and a regurgitated version 

http://goo.gl/maps/f7bEA

 

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[Brian Ibanez]

Awesome, this is great thanks!

[Benjamin Riley]

Forgive me for being clueless, but my head swims with data when I look at these website. How can I determine when the tide is low near Fletcher's Boathouse so I can wade and fish for shad? Help me, Obi-Dan Davala, you are my only hope...

On Sunday, March 24, 2013 3:34:34 PM UTC-4, Brian Ibanez wrote:

[Sardman]

the USGS gauge is at the Little Falls dam, which is NOT tidal, meaning that the water level only depends on the amount of water coming down the river. More water (the other graph in CFS ,cubic feet per second), higher the gauge level

Little Falls dam is the alternative water intake for the Washington Aqueduct when Great Falls is not in service.

For high and low tides you have to check a place downstream, like the Washington channel, and add 10-20 minutes (? I guess, people help me out here) because the tide will influence a place upstream a bit later. You can also figure that the difference between Alexandria and Washignton channel in minutes, should be pretty much the same as between Washington channel and Chain Bridge.

 

the force be with you.

M.

[Daniel Davala]

I always use this chart for tides and compensate whether I am upstream or down:  http://tidesandcurrents.noaa.gov/noaatidepredictions/NOAATidesFacade.jsp?Stationid=8594900

 

Print or save the "Annual PDF" and keep it handy for trip planning.  No tide station for the Dagobah system unfortunately.

 

Dan Davala

 

 

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