...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 4 AM CHST TUESDAY... ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE MONDAY NIGHT... * WHAT...Large breaking waves 9 to 11 feet and dangerous rip currents. * WHERE...Hazardous surf along north facing reefs and dangerous rip currents along north and east facing reefs of the Marianas. * WHEN...For the High Surf Advisory, until 4 AM ChST Tuesday. For the High Rip Current Risk, through late Monday 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. * ADDITIONAL DETAILS...Swell has built further and will likely stay elevated through at least Monday night, so the hazards have been extended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Rip currents will be life threatening. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Rip currents will be life threatening. 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. &&