South Pacific storm

20°45.2′S 143°08.2′W

Waves left about 2 Nov 08:43Z, ± 9 h

Placed by 3 buoys, whose own placements lie within 475 nmi of it

Its swell was last measured at 46277 (Green Beach Offshore) on 11 Nov 19:00Z; 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