Intellicast.com - Stick with the weather the pros use. Get free, 24X7 weather brought to you by WSI - the source for weather servicing Time Warner, CNN, NBC, the FAA, hundreds of TV stations, and the nation's top airlines.
NOS Water Level Observation Network - Water levels and tides from around the country.
TSFM - Texas Gulf Coast Tidal Forecast from the Texas Saltwater Fishing Magazine.
Weather Underground - Weather Underground: Welcome to The Weather Underground.