Southern Ocean storm

54°06.1′S 149°58.4′W

Waves left about 2 Oct 15:23Z, ± 3 h

Placed by 10 buoys, whose own placements lie within 703 nmi of it

Its swell was last measured at 51212 (Barbers Point, Kalaeloa, HI (238)) on 15 Oct 18:00Z; 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