...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST SATURDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY AFTERNOON... * WHAT...Large breaking waves of 8 to 10 feet and dangerous rip currents expected in the surf zone. * WHERE...For the High Surf Advisory, along west and north facing reefs of the Marianas. For the High Rip Current Risk, along west, north, and east facing reefs. * WHEN...Until 4 PM ChST Saturday. * 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 Dolphin continues to move toward Iwo To, the long-period swell direction is expected to shift to the northwest around midweek. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&