North Atlantic storm

36°07.7′N 062°01.1′W

Waves left about 27 Oct 13:10Z, ± 2 h

Placed by 4 buoys, whose own placements lie within 175 nmi of it

Its swell was last measured at 44008 (Nantucket Offshore, MA) on 30 Oct 11:20Z; 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