North Atlantic storm

15°59.0′N 059°33.7′W

Waves left about 7 Oct 08:06Z, ± 4 h

Placed by 3 buoys, whose own placements lie within 164 nmi of it

Its swell was last measured at 44025 (Long Island, NY) on 13 Oct 17:40Z; 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