North Atlantic storm

31°22.8′N 035°23.2′W

Waves left about 12 Oct 14:33Z, ± 7 h

Placed by 3 buoys, whose own placements lie within 373 nmi of it

Its swell was last measured at 41009 (Canaveral, FL) on 17 Oct 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