South Pacific storm

13°37.3′S 152°49.0′W

Waves left about 12 Oct 03:32Z, ± 11 h

Placed by 2 buoys, whose own placements lie within 418 nmi of it

Its swell was last measured at 51212 (Barbers Point, Kalaeloa, HI (238)) on 18 Oct 05:22Z; 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