South Pacific storm

40°51.7′S 126°02.0′W

Waves left about 16 Oct 14:32Z, ± 12 h

Placed by 2 buoys, whose own placements lie within 768 nmi of it

Its swell was last measured at 46047 (Tanner Bank, CA) on 28 Oct 04:20Z; 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