North Atlantic storm

38°53.8′N 049°14.5′W

Waves left about 14 Oct 19:28Z, ± 3 h

Placed by 2 buoys, whose own placements lie within 202 nmi of it

Its swell was last measured at 41046 (East Bahamas) on 19 Oct 11:20Z; 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