North Pacific storm

32°13.1′N 172°13.6′W

Waves left about 30 Sep 16:22Z, ± 5 h

Placed by 4 buoys, whose own placements lie within 241 nmi of it

Its swell was last measured at 46054 (West Santa Barbara, CA) on 8 Oct 01:50Z; 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