Southern Ocean storm

49°43.0′S 164°58.1′W

Waves left about 5 Oct 03:09Z, ± 3 h

Placed by 12 buoys, whose own placements lie within 880 nmi of it

Its swell was last measured at 46013 (Bodega Bay, CA) on 18 Oct 17:20Z; 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