North Pacific storm

46°41.0′N 164°16.7′W

Waves left about 10 Oct 23:05Z, ± 2 h

Placed by 3 buoys, whose own placements lie within 96 nmi of it

Its swell was last measured at 51004 (SE Hawaii - 200 NM SE of Hilo) on 16 Oct 23:50Z; 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