North Pacific storm

41°57.1′N 173°13.1′W

Waves left about 2 Nov 18:49Z, ± 3 h

Placed by 6 buoys, whose own placements lie within 216 nmi of it

Its swell was last measured at 46050 (Stonewall Bank, OR) on 8 Nov 12:57Z; 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