South Pacific storm

01°32.8′S 142°26.0′W

Waves left about 21 Oct 17:51Z, ± 4 h

Placed by 5 buoys, whose own placements lie within 428 nmi of it

Its swell was last measured at 46076 (Cape Cleare, AK) on 29 Oct 06:50Z; 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