North Pacific storm

25°49.6′N 179°10.4′W

Waves left about 3 Oct 21:03Z, ± 4 h

Placed by 5 buoys, whose own placements lie within 470 nmi of it

Its swell was last measured at 46047 (Tanner Bank, CA) on 10 Oct 19:50Z; 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