* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves.
* WHERE...Mason and Oceana counties.
* WHEN...From Sunday morning through Sunday evening.
* IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.
* ADDITIONAL DETAILS...Northwest winds will increase on Sunday which will build waves to 3 to 5 feet during the afternoon. Dangerous waves and currents are expected for swimmers.