North Pacific storm

47°02.3′N 177°44.5′W

Waves left about 24 Oct 00:30Z, ± 3 h

Placed by 6 buoys, whose own placements lie within 360 nmi of it

Its swell was last measured at 46244 (Humboldt Bay, North Spit, CA (168)) on 29 Oct 05:39Z; 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