North Pacific storm

12°34.7′N 178°51.7′E

Waves left about 22 Oct 23:27Z, ± 6 h

Placed by 3 buoys, whose own placements lie within 574 nmi of it

Its swell was last measured at 46053 (East Santa Barbara, CA) on 31 Oct 19:20Z; 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