North Pacific storm

25°23.4′N 167°37.3′W

Waves left about 15 Oct 11:08Z, ± 7 h

Placed by 3 buoys, whose own placements lie within 351 nmi of it

Its swell was last measured at 46215 (Diablo Canyon, CA) on 22 Oct 15:00Z; 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