North Pacific storm

51°16.4′N 176°26.4′E

Waves left about 26 Oct 23:51Z, ± 6 h

Placed by 2 buoys, whose own placements lie within 242 nmi of it

Its swell was last measured at 51000 (Northern Hawaii One) on 1 Nov 04:20Z; 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