* WHAT...Very steep and hazardous seas 12 to 16 feet and southwest winds 20 to 30 kt with occasional gusts up to 40 kt.
* WHERE...Guam and Rota Coastal Waters.
* WHEN...Until 5 AM ChST Sunday.
* IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels.
* ADDITIONAL DETAILS...Hazardous sea conditions are expected to continue over the coastal waters through early Sunday morning as a strong monsoon surge continues well south of Typhoon Choi-wan (26W). This Warning will later be replaced by a Small Craft Advisory as combined seas gradually diminish below 15 feet.