North Atlantic storm

23°24.0′N 066°24.3′W

Waves left about 11 Oct 19:33Z, ± 9 h

Placed by 2 buoys, whose own placements lie within 106 nmi of it

Its swell was last measured at 41010 (Canaveral East, FL) on 17 Oct 12:20Z; 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