South Pacific storm

03°46.0′S 165°19.8′E

Waves left about 20 Oct 16:49Z, ± 7 h

Placed by 4 buoys, whose own placements lie within 688 nmi of it

Its swell was last measured at 46053 (East Santa Barbara, CA) on 31 Oct 03:20Z; 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