* WHAT...Very steep and hazardous seas of 13 to 15 feet expected.
* 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...Winds have diminished enough to allow the Gale Warning to expire. However, an elevated southwesterly monsoon swell will allow hazardous seas to persist through tonight.