North Atlantic storm

16°22.9′N 050°35.8′W

Waves left about 27 Oct 09:45Z, ± 3 h

Placed by 2 buoys, whose own placements lie within 261 nmi of it

Its swell was last measured at 41044 (NE St Martin) on 2 Nov 01:20Z; 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