National Weather Service Portland OR
2:49 AM Tuesday August 22.
.SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT UNTIL 8 AM THIS MORNING, IN THE MAIN CHANNEL, COMBINED SEAS 3 TO 5 FEET THROUGH TUESDAY. HOWEVER, SEAS WILL TEMPORARILY BUILD TO AROUND 7 FEET WITH BREAKERS LIKELY DURING THE VERY STRONG EBB AROUND tuesday morning. and to 6 feet during the ebb around 6:15 pm tuesday evening.