North Pacific storm

13°25.4′N 148°43.9′W

Waves left about 24 Oct 22:28Z, ± 5 h

Placed by 3 buoys, whose own placements lie within 370 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