Pressure isobar composite from U Hawaii
HPC prediction
CDIP's three day prediction
Quikscat winds summary
QuikSCAT winds analyzed by Remote Sensing Systems
NOAA Wavewatch III
NOAA SSM/I Surface winds
A nice replot of Wavewatch III data
DK Miller's mesoscale models Very cool
FNMOC - WWIII
FNMOC - WXMAP
The FNMOC site is a primary site used to generate forecasts.

N Pac closeups from the NAVY
Current wave heights The 12 hour forecast
The 24 hour forecast The 1.5 day forecast
The 2 day forecast The 2.5 day forecast
The 3 day forecast The 3.5 day forecast
The 4 day forecast The 4.5 day forecast
The 5 day forecast The 5.5 day forecast
The 6 day forecast

A map from the folks at Oceanweather
A great satellite map site
Swell distance calculator
Swell distance calculator number 2