If you're the superstitious type and believe in omens then this must be a harbinger of a classic winter season, alternatively glance through these images and then check out the forecast and see there are several 15-20ft swells lined up over the coming 10 days.
Winter up here doesn't go flat, there's surf nearly every day and massive surf on a regular basis thanks to the hyperactive NPAC storm systems.
"The day was as epic as it could be for a fall season opener with a solid building NW swell of 12 to 15ft @ 18 sec. The surface conditions were calm and the skies were clear."
Typically during the summer you see a large blocking high in the centre of the North Pacific, as autumn kicks in this high weakens and retreats allowing storm systems to bring down that Aleutian Island juice.