North Pacific storm

25°29.6′N 140°55.2′W

Waves left about 8 Oct 11:59Z, ± 4 h

Placed by 6 buoys, whose own placements lie within 262 nmi of it

Its swell was last measured at 46025 (Santa Monica Basin, CA) on 14 Oct 06:20Z; 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