North Pacific storm

26°18.9′N 177°10.3′E

Waves left about 11 Oct 10:10Z, ± 5 h

Placed by 6 buoys, whose own placements lie within 387 nmi of it

Its swell was last measured at 46083 (Fairweather Ground, AK) on 19 Oct 18:50Z; 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