North Pacific storm

36°59.2′N 162°59.8′E

Waves left about 22 Oct 13:05Z, ± 4 h

Placed by 5 buoys, whose own placements lie within 384 nmi of it

Its swell was last measured at 46027 (St Georges, CA) on 29 Oct 01:20Z; 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