North Pacific storm

28°54.8′N 166°06.6′E

Waves left about 22 Oct 14:50Z, ± 3 h

Placed by 10 buoys, whose own placements lie within 424 nmi of it

Its swell was last measured at 46069 (South Santa Rosa Island, CA) on 31 Oct 17:20Z; 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