North Atlantic storm

35°18.2′N 057°29.5′W

Waves left about 14 Oct 21:40Z, ± 2 h

Placed by 9 buoys, whose own placements lie within 179 nmi of it

Its swell was last measured at 42060 (Caribbean Valley) on 18 Oct 06:20Z; 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