South Pacific storm

00°31.9′S 174°56.8′W

Waves left about 20 Oct 14:01Z, ± 7 h

Placed by 3 buoys, whose own placements lie within 711 nmi of it

Its swell is still arriving: last measured at 46014 (Point Arena, CA) on 29 Oct 10:50Z.

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