North Pacific storm

00°09.1′N 124°51.6′W

Waves left about 2 Nov 22:37Z, ± 8 h

Placed by 2 buoys, whose own placements lie within 145 nmi of it

Its swell was last measured at 46083 (Fairweather Ground, AK) on 12 Nov 04:20Z; 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