* WHAT...Large breaking waves of 7 to 10 feet and dangerous rip currents.
* WHERE...West-facing reefs of the Marianas.
* 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...Significant southwesterly swell driven by the monsoon pattern and Tropical Depression 19W, well north- northwest of Yap, is producing hazardous surf and dangerous rip currents along west-facing reefs through this afternoon.