Gulf of Mexico storm

23°47.5′N 082°26.2′W

Waves left about 13 Oct 16:35Z, ± 4 h

Placed by 3 buoys, whose own placements lie within 139 nmi of it

Its swell was last measured at 42002 (West Gulf) on 16 Oct 22:50Z; 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