North Pacific storm

44°01.9′N 171°19.9′W

Waves left about 12 Oct 21:26Z, ± 3 h

Placed by 6 buoys, whose own placements lie within 193 nmi of it

Its swell was last measured at 46069 (South Santa Rosa Island, CA) on 18 Oct 14:50Z; the replay ends there.

Each buoy places the storm from how its swell's period shortened as it arrived: the longest waves travel fastest. Fronts are drawn at deep-water group speeds along great circles, and stop at land. How it is worked out