• Moored Ocean Buoys ... Pacific Marine Environmental Laboratory
• Web Tour of the moored buoys
• Visit a NOAA Research Ship
• Drifting Ocean Buoys  
• Volunteer Observing Ships (XBT)
• Sea Level Stations
• NOAA Satellites 

Southern Oscillation Index (SOI) (Explanation) ... Climate Prediction Center
NOAA data via the NOAAServer
The California Coastal El Niño Watch ... NOAA CoastWatch
The North Pacific Watch Satellite brightness, winds and precipitation... National Environmental Satellite Data and Information Center
West Coast Upwelling Indices ... Pacific Fisheries Environmental Laboratory
Tide predictions and Water levels ... National Ocean Service
Pacific profiler wind measurements ... Aeronomy Laboratory
Real-time El Niño data: 

• Gridded data products/analyses and in situ observations and satellite data 

Profiler, RASS, SODAR and met station data and images ... operating during the CALJET project, from the Environmental Technology Laboratory