South Pacific storm

39°59.9′S 146°22.0′W

Waves left about 6 Oct 04:32Z, ± 4 h

Placed by 7 buoys, whose own placements lie within 388 nmi of it

Its swell was last measured at 51001 (NW Hawaii - 200 NM NW of Kauai) on 16 Oct 12:50Z; 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