South Pacific storm

43°29.9′S 173°17.4′W

Waves left about 30 Sep 12:14Z, ± 5 h

Placed by 8 buoys, whose own placements lie within 611 nmi of it

Its swell was last measured at 46275 (Red Beach Nearshore) on 12 Oct 05:00Z; 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