North Pacific storm

38°38.6′N 165°08.0′W

Waves left about 31 Oct 14:32Z, ± 3 h

Placed by 10 buoys, whose own placements lie within 337 nmi of it

Its swell was last measured at 46232 (Point Loma South, CA) on 6 Nov 10:00Z; 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