* WHAT...Coastal flooding, with water levels of 1.5 to 3 feet above the normal highest tide line, and 25 to 35 mph south to southeast winds with gusts up to 35 to 50 mph. * WHERE...Kuskokwim Delta Coast, including Kipnuk, Kwigillingok and Kongiganak. * WHEN...From 11 PM AKDT Thursday through 7 AM AKDT Saturday, highest water levels expected during each upcoming high tide until Saturday morning. * IMPACTS...Coastal flooding of low lying areas and erosion are possible. * ADDITIONAL DETAILS...Highest water levels for Kwigillingok are likely to be around 2 feet above the normal highest tide line. Highest water levels for Kipnuk are likely to be around 2.5 feet above the normal highest tide line. A coastal flood advisory indicates that onshore winds and tides will combine to generate minor flooding of low areas along the shore.