North Atlantic storm

33°06.7′N 057°51.8′W

Waves left about 7 Oct 21:50Z, ± 4 h

Placed by 2 buoys, whose own placements lie within 210 nmi of it

Its swell was last measured at 41009 (Canaveral, FL) on 14 Oct 13:50Z; 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