North Atlantic storm

06°26.5′N 056°58.7′W

Waves left about 13 Oct 09:31Z, ± 7 h

Placed by 2 buoys, whose own placements lie within 163 nmi of it

Its swell was last measured at 42057 (Western Caribbean) on 21 Oct 03:50Z; 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