Southern Ocean storm

59°38.9′S 146°36.1′W

Waves left about 4 Oct 04:53Z, ± 4 h

Placed by 9 buoys, whose own placements lie within 822 nmi of it

Its swell was last measured at 46013 (Bodega Bay, CA) on 18 Oct 08:50Z; 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