Southern Ocean storm

59°35.3′S 145°50.1′W

Waves left about 9 Oct 04:45Z, ± 3 h

Placed by 12 buoys, whose own placements lie within 575 nmi of it

Its swell was last measured at 46011 (Santa Maria, CA) on 21 Oct 21:20Z; 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