North Pacific storm

33°01.0′N 165°31.7′W

Waves left about 5 Oct 02:14Z, ± 3 h

Placed by 4 buoys, whose own placements lie within 260 nmi of it

Its swell was last measured at 46236 (Monterey Canyon Outer, CA (156)) on 11 Oct 11:34Z; 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