North Pacific storm

10°31.9′N 168°01.5′W

Waves left about 30 Oct 01:15Z, ± 5 h

Placed by 4 buoys, whose own placements lie within 535 nmi of it

Its swell was last measured at 46083 (Fairweather Ground, AK) on 9 Nov 05:50Z; 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