Sea surface temperature, weather, bathymetry, and other geophysical data layers.
Global Magnetic Declination
Overlay of magnetic declination
NBDC (NOAA) Buoy Data
Worldwide Surf Buoys
Sea Surface Temperature
Satellite derived data from Space Science and Engineering Center
Global Multi-Resolution Topography
From the Marine Geoscience Data System
Alaska Ocean Observing System
Layers and data from the AOOS