North Pacific storm

41°08.2′N 174°30.9′W

Waves left about 24 Oct 20:58Z, ± 4 h

Placed by 3 buoys, whose own placements lie within 246 nmi of it

Its swell was last measured at 46259 (Santa Lucia Escarpment, CA) on 29 Oct 07:00Z; 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