North Pacific storm

47°49.8′N 167°07.4′W

Waves left about 3 Nov 10:19Z, ± 1 h

Placed by 13 buoys, whose own placements lie within 316 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