North Atlantic storm

31°53.8′N 046°48.6′W

Waves left about 23 Oct 07:47Z, ± 6 h

Placed by 2 buoys, whose own placements lie within 281 nmi of it

Its swell was last measured at 44014 (Virginia Beach, VA) on 28 Oct 19:50Z; 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