North Pacific storm

49°42.4′N 163°24.6′W

Waves left about 25 Oct 14:17Z, ± 3 h

Placed by 8 buoys, whose own placements lie within 239 nmi of it

Its swell was last measured at 46050 (Stonewall Bank, OR) on 1 Nov 09:20Z; 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