North Pacific storm

43°12.4′N 150°40.7′W

Waves left about 24 Oct 06:22Z, ± 2 h

Placed by 4 buoys, whose own placements lie within 244 nmi of it

Its swell was last measured at 46236 (Monterey Canyon Outer, CA (156)) on 27 Oct 09:00Z; 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