North Pacific storm

43°04.5′N 133°43.2′W

Waves left about 29 Oct 05:37Z, ± 4 h

Placed by 3 buoys, whose own placements lie within 236 nmi of it

Its swell was last measured at 46013 (Bodega Bay, CA) on 1 Nov 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