...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM CHST SUNDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE SATURDAY NIGHT... * WHAT...Large breaking waves of 8 to 10 feet for Guam; and 8 to 11 feet for the CNMI. Dangerous rip currents. * WHERE...South and west facing reefs of the Marianas. * WHEN...For the High Surf Advisory, until 6 AM ChST Sunday. For the High Rip Current Risk, through late Saturday 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. * PRECAUTIONARY/PREPAREDNESS ACTIONS... Rip currents will be life threatening. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. &&