North Pacific storm

43°57.4′N 151°13.2′W

Waves left about 24 Oct 11:05Z, ± 3 h

Placed by 2 buoys, whose own placements lie within 152 nmi of it

Its swell was last measured at 46075 (Shumagin Islands, AK) on 26 Oct 20:20Z; 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