South Pacific storm

20°25.0′S 115°33.5′W

Waves left about 5 Oct 23:33Z, ± 15 h

Placed by 2 buoys, whose own placements lie within 233 nmi of it

Its swell was last measured at 51002 (SW Hawaii - 200 NM SW of Kona) on 14 Oct 22:50Z; 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