North Pacific storm

13°44.2′N 151°47.3′W

Waves left about 24 Oct 17:56Z, ± 7 h

Placed by 2 buoys, whose own placements lie within 334 nmi of it

Its swell was last measured at 46013 (Bodega Bay, CA) on 29 Oct 01:20Z; 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