North Pacific storm

48°26.6′N 179°11.8′W

Waves left about 24 Oct 02:12Z, ± 3 h

Placed by 4 buoys, whose own placements lie within 335 nmi of it

Its swell was last measured at 46213 (Cape Mendocino, CA (094)) on 28 Oct 15:00Z; 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