* WHAT...For the High Surf Advisory, large breaking waves of 9 to 13 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents expected.
* WHERE...North, west, and south facing reefs of Guam and Rota.
* WHEN...For the High Surf Advisory, from 4 AM Friday to 4 AM ChST Monday. For the High Rip Current Risk, from late tonight through late Sunday night.
* IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.