National Weather Service Portland OR
8:31 PM Saturday February 17.
.small craft advisory for rough columbia river bar in effect through sunday evening, in the main channel, combined seas around 15 feet, but building to 16 to 18 feet sunday morning. however, seas will temporarily build to around 18 feet with breakers likely during the ebb around 615 am sunday. seas to 20 feet, with breakers, can be expected with the strong ebb around 615 pm sunday evening.