* WHAT...For the High Surf Advisory, large breaking waves of 7 to 10 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents.
* WHERE...North, south, and west facing reefs of Guam and Rota.
* WHEN...Until 4 PM ChST Monday.
* IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.