* WHAT...For the High Surf Advisory, large breaking waves of 9 to 11 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents.
* WHERE...For the High Surf Advisory, South and west facing reefs of Guam and Rota, and south facing reefs of Tinian and Saipan. For the high risk of rip currents, South and west facing reefs of Guam and Rota, and south and east facing reefs of Tinian and Saipan.
* WHEN...Until 4 PM ChST this afternoon.
* IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
* ADDITIONAL DETAILS...As Typhoon Champi continues moving away from the region, surf will continue to gradually diminish. It should still remain hazardous through the rest of today, however.