South Pacific storm

10°19.0′S 142°40.3′W

Waves left about 9 Oct 13:54Z, ± 4 h

Placed by 5 buoys, whose own placements lie within 499 nmi of it

Its swell was last measured at 51211 (Pearl Harbor Entrance, HI (233)) on 17 Oct 11:00Z; 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