North Pacific storm

45°29.5′N 147°29.9′W

Waves left about 22 Oct 19:36Z, ± 2 h

Placed by 8 buoys, whose own placements lie within 247 nmi of it

Its swell was last measured at 46042 (Monterey, CA) on 26 Oct 18:20Z; 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