North Pacific storm

48°34.6′N 135°26.7′W

Waves left about 29 Oct 08:30Z, ± 4 h

Placed by 3 buoys, whose own placements lie within 88 nmi of it

Its swell was last measured at 46015 (Port Orford, OR) on 1 Nov 03:20Z; 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