Watching Potential Tsunami Impacts Across the Pacific Basin

A strong earthquake in the Pacific Basin has generated a tsunami wave. Tsunami Warnings and Advisories have been issued for Hawaii, portions of Alaska, Guam, American Samoa, and the West Coast of the U.S. Read More >

Local Forecast Offices A-K
Local Forecast Offices L-Z
River Forecast Centers
Center Weather Service Units
Regional HQ

Western Region Technical Attachments
These Technical Attachments contain many figures, which may take time to load. For convenience, separate links have been created for the figures rather than embedding them in the body of the Technical Attachment.