North Pacific storm

44°17.2′N 141°42.4′E

Waves left about 31 Oct 11:27Z, ± 3 h

Placed by 8 buoys, whose own placements lie within 620 nmi of it

Its swell was last measured at 46014 (Point Arena, CA) on 8 Nov 19:20Z; 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