River Flows:

Your tax dollars at work—USGS map page with real-time flow data for every state in the USA .
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Gauge links and river descriptions from the folks who protect river access and throw the best party in paddlesports—American Whitewater:
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Get river levels by text message—these boys are dialed:
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State-by-state flows at All About Rivers:
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Lousy football team; great Northwest resource--Kayak Science at Oregon State University :
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Mountainbuzz, a great resource for the Rockies: Ariz. , Colo. , New Mexico :
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Tides and Marine Forecasts

More of your tax dollars at work—NOOA tides online:
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Tidal current predictor with point-and-click U.S. map; links to stations outside the U.S. also:
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Get U.S. marine forecasts here:
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Go abroad—worldwide tide predictions by continent, country and port:
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2006 tidal predictions at more than 3,000 locations, courtesy of NOOA:
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Surf Reports

Surfline homepage—more than 100 reports and cams in left column:
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Away from your computer? Here’s how to get it on your cell:
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