North Pacific storm

42°37.1′N 138°35.9′W

Waves left about 26 Oct 21:06Z, ± 3 h

Placed by 2 buoys, whose own placements lie within 293 nmi of it

Its swell was last measured at 46246 (Ocean Station PAPA (166)) on 28 Oct 16:00Z; 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