North Atlantic storm

28°15.1′N 077°33.1′W

Waves left about 4 Nov 18:15Z, ± 5 h

Placed by 2 buoys, whose own placements lie within 230 nmi of it

Its swell was last measured at 44027 (Jonesport, ME) on 10 Nov 14:20Z; 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