North Pacific storm

13°56.8′N 169°39.0′E

Waves left about 7 Oct 16:17Z, ± 3 h

Placed by 4 buoys, whose own placements lie within 566 nmi of it

Its swell was last measured at 46054 (West Santa Barbara, CA) on 14 Oct 00:50Z; 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