North Atlantic storm

38°11.6′N 060°42.2′W

Waves left about 23 Oct 05:01Z, ± 3 h

Placed by 4 buoys, whose own placements lie within 181 nmi of it

Its swell was last measured at 44088 (Virginia Beach Offshore, VA) on 25 Oct 18:00Z; 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