South Pacific storm

22°42.4′S 125°03.2′W

Waves left about 30 Sep 09:00Z, ± 5 h

Placed by 9 buoys, whose own placements lie within 520 nmi of it

Its swell was last measured at 46025 (Santa Monica Basin, CA) on 11 Oct 13:20Z; 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