North Pacific storm

31°05.0′N 161°26.2′E

Waves left about 22 Oct 00:56Z, ± 5 h

Placed by 3 buoys, whose own placements lie within 233 nmi of it

Its swell was last measured at 46213 (Cape Mendocino, CA (094)) on 29 Oct 04:00Z; 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