South Pacific storm

38°27.4′S 151°48.2′W

Waves left about 11 Oct 03:01Z, ± 5 h

Placed by 7 buoys, whose own placements lie within 724 nmi of it

Its swell was last measured at 46215 (Diablo Canyon, CA) on 22 Oct 09:00Z; 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