North Pacific storm

48°32.3′N 162°32.6′W

Waves left about 5 Oct 00:28Z, ± 4 h

Placed by 6 buoys, whose own placements lie within 242 nmi of it

Its swell was last measured at 46013 (Bodega Bay, CA) on 14 Oct 14:50Z; 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