North Atlantic storm

22°52.4′N 046°23.8′W

Waves left about 15 Oct 10:38Z, ± 5 h

Placed by 2 buoys, whose own placements lie within 224 nmi of it

Its swell was last measured at 41004 (Edisto, SC) on 20 Oct 15:20Z; 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