North Atlantic storm

22°59.3′N 063°19.0′W

Waves left about 5 Nov 00:42Z, ± 3 h

Placed by 2 buoys, whose own placements lie within 217 nmi of it

Its swell was last measured at 41008 (Grays Reef, GA) on 8 Nov 08:50Z; 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