North Pacific storm

17°09.1′N 174°50.8′E

Waves left about 29 Oct 02:11Z, ± 5 h

Placed by 5 buoys, whose own placements lie within 288 nmi of it

Its swell was last measured at 46085 (Central Gulf of Alaska) on 6 Nov 23:15Z; 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