NOAA's National Data Buoy Center operates many of the buoys that collect air and water measurements at sea and along the coasts. Click here to go to the Center's Real Time Data page. Click here to go to the Center's home page where you'll find links to information about the buoys. The Navy's Numerical Meteorology and Oceanography Center has a great deal of global weather and ocean information on its. On the public information page.
Information includes observed and forecast wave heights for all of the oceans.
The San Francisco Bay Area National Weather Service office has a marine weather page that has links to weather and tides information for the California Coast. The Ocean Modeling Branch at the National Weather Service's Centers for Environmental Predictions is beginning to post forecasts on the Web for ocean waves, winds, fog and visibility. The forecasts can be found on the Operational Products page. To keep up with what the branch is doing, you can go to its home page . Argo floats sink about a mile deep in the Earth's oceans to measure temperature, salinity and currents before bobbing to the surface to radio the data to scientists via satellites.