* WHAT...Hazardous surf of 7 to 10 ft.
* WHERE...North facing reefs of Yap.
* WHEN...Until 5 PM ChST Sunday.
* IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion.
* ADDITIONAL DETAILS...Long-period swell, originating from distant Typhoon Dolphin, is expected to maintain hazardous surf along north-facing reefs through this afternoon. As swells diminish, surf is expected to subside below hazardous levels of 9 feet by Sunday night.