North Pacific storm

26°51.1′N 155°52.1′W

Waves left about 23 Oct 04:05Z, ± 5 h

Placed by 4 buoys, whose own placements lie within 309 nmi of it

Its swell was last measured at 46254 (Scripps Nearshore, CA) on 28 Oct 06:06Z; 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