North Pacific storm

34°04.8′N 156°32.9′E

Waves left about 21 Oct 20:01Z, ± 4 h

Placed by 7 buoys, whose own placements lie within 336 nmi of it

Its swell was last measured at 46213 (Cape Mendocino, CA (094)) on 29 Oct 09:00Z; 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