North Atlantic storm

26°39.2′N 072°14.2′W

Waves left about 11 Oct 05:00Z, ± 3 h

Placed by 4 buoys, whose own placements lie within 155 nmi of it

Its swell was last measured at 44027 (Jonesport, ME) on 15 Oct 16:20Z; 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