North Atlantic storm

25°17.1′N 045°46.1′W

Waves left about 1 Oct 03:42Z, ± 6 h

Placed by 3 buoys, whose own placements lie within 80 nmi of it

Its swell was last measured at 44065 (New York Harbor Entrance, NY) on 6 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