National Weather Service Portland OR
2:05 PM Friday April 20.
.SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT FROM 7 PM TO 11 PM THIS EVENING, , SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON, IN THE MAIN CHANNEL, COMBINED SEAS 4 TO 6 FEET BUILDING TO 9 TO 11 FEET LATE TONIGHT AND EARLY SATURDAY MORNING BEFORE GRADUALLY SUBSIDING TO 7 TO 9 FEET SATURDAY AFTERNOON. HOWEVER, SEAS WILL TEMPORARILY BUILD TO 10 FEET DURING THE EBB AROUND and to near 13 feet with breakers likely during the ebb around 9:30 am saturday. a third ebb will occur around 10:15 pm saturday.