Gulf of Mexico storm

24°57.8′N 082°59.6′W

Waves left about 20 Oct 08:30Z, ± 6 h

Placed by 2 buoys, whose own placements lie within 177 nmi of it

Its swell was last measured at 42035 (Galveston, TX) on 23 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