North Atlantic storm

29°09.5′N 061°58.7′W

Waves left about 25 Oct 16:52Z, ± 5 h

Placed by 3 buoys, whose own placements lie within 269 nmi of it

Its swell was last measured at 41008 (Grays Reef, GA) on 31 Oct 18:20Z; 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