North Atlantic storm

59°24.5′N 035°01.1′W

Waves left about 11 Oct 17:44Z, ± 8 h

Placed by 3 buoys, whose own placements lie within 367 nmi of it

Its swell was last measured at 41041 (North Equatorial Two) on 19 Oct 14:50Z; 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