Gridded Data Products and Analyses

• NCEP Sea Surface Temperature: Global | Tropical Pacific
  from Sea Surface Temperature analyses page at NCEP's Environmental Modeling Center.

• Recent BMRC/NMC Global SST analyses
  from the Ocean Analyses page at the Bureau of Meteorology Research Center in Australia.

• NCEP Global SST
  from University of Wisconsin-Madison's Space Science and Engineering Center

• Analyses or "nowcasts" of ocean temperatures
  from Optimum Thermal Interpolation System (OTIS), based objective analysis at the United States Navy Fleet Numerical Meteorology and Oceanography Center

• New! OSCAR Ocean Surface Current Analyses - Realtime
  from satellite data analyses by NOAA's OSCAR project

• Regional Climate Data - For many regions of the US and the globe, updated weekly
  from the Climate Prediction Center at the National Centers for Environmental Prediction

• Southern Oscillation Index (SOI) and other data and index values - Updated monthly
  from the National Centers for Environmental Prediction / Climate Prediction Center

• Climate information - Includes Degree days, Palmer drought data, snow cover data, etc.
  from the National Centers for Environmental Prediction / Climate Prediction Center

• Pacific Island Climate Data and Maps -
  from the National Centers for Environmental Prediction / Climate Prediction Center

• Weekly ENSO Update -
  from the National Centers for Environmental Prediction / Climate Prediction Center

• Current state of the Tropical Pacific and
  Comparison of different El Niños and
  United States Climate Interactive pages - from NOAA's Climate Diagnostic Center

• 3-D El Niño images and animations - realtime
  from the TAO project at NOAA/PMEL.

• Global Data Display - Climate, Weather Analyses and Weather Forecasts.
  from the Climate Prediction Center at the National Centers for Enviornmental Prediction.

Observed in-situ Data

• Tropical Pacific Conditions: Real-time TAO El Nino buoy data
  Also try Interactive graphics (Google maps type interface)
  from the NOAA/PMEL TAO buoy network

• 1997-98 El Niño Sea Level for the US West Coast, Alaska, Hawaii
  from the NOAA/PMEL Tsunami Project

• Climate Snapshot - Selected analyses of the present climate
  from Joint Institute for the Study of the Atmosphere and Ocean (JISAO)

• El Niño Watch on the US West Coast - Updated monthly
  from the NOAA Coast Watch

• Realtime Pacific profiler wind observations (scroll down page to find realtime data links)
  from the Trans-Pacific Profiler Network at NOAA/ESRL/PSD

• KA'IMIMOANA Internet-at-Sea - Realtime images and data from a NOAA Research Ship
  from NOAA's Pacific Marine Environmental Laboratory

• Where can I find realtime weather buoy data?
  from NOAA / PMEL / TAO Project

Satellite Data

• Sea surface temperature charts for Equatorial Pacific, Global, etc.
  from the Information Processing Devision of the NOAA/NESDIS Satellite Data, and Information Service
  

• Coral Bleaching hot spots
  from NOAA/NESDIS/Office of Satellite Data Processing and Distribution

• Near-real time sea level data
  from NOAA Laboratory for Satellite Altimetry
  
  
• Realtime Sea level data
  from the University of Hawaii Sea Level Center
  

• Near real-time altimetry data (TOPEX/Poseidon data)
  from Colorado Center For Astrodynamics Research