Southern Ocean storm

45°26.0′S 129°21.7′W

Waves left about 11 Oct 08:10Z, ± 8 h

Placed by 7 buoys, whose own placements lie within 606 nmi of it

Its swell was last measured at 46253 (San Pedro South, CA) on 22 Oct 07:00Z; 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