North Pacific storm

44°58.1′N 150°18.4′E

Waves left about 6 Oct 12:11Z, ± 2 h

Placed by 11 buoys, whose own placements lie within 599 nmi of it

Its swell was last measured at 46047 (Tanner Bank, CA) on 14 Oct 19:50Z; 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