Beaufort Scales (Wind Speed) -- A University of North Carolina at Chapel Hill website.

El Nino -- An Environment Canada website.

El Nino: Research, Forecasts and Observations -- A National Oceanic and Atmospheric Administration website.

El Nino Theme Page: Access to Distributed Information on El Nino -- A National Oceanic and Atmospheric Administration website, produced by the Pacific Marine Environmental Laboratory.

Frequently Asked Questions about El Nino and La Nina -- A National Oceanic and Atmospheric Administration website, produced by the Climate Prediction Center.

Marine Forecasts -- A National Weather Service website.