North Pacific storm

33°13.6′N 128°28.1′W

Waves left about 19 Oct 23:35Z, ± 3 h

Placed by 4 buoys, whose own placements lie within 210 nmi of it

Its swell was last measured at 51004 (SE Hawaii - 200 NM SE of Hilo) on 24 Oct 23:17Z; 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