North Pacific storm

50°09.6′N 163°40.9′W

Waves left about 9 Oct 04:34Z, ± 3 h

Placed by 3 buoys, whose own placements lie within 273 nmi of it

Its swell was last measured at 52216 (Pikareej, Arno Atoll, Marshall Islands) on 14 Oct 14:00Z; 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