North Atlantic storm

37°57.7′N 065°32.0′W

Waves left about 26 Oct 20:13Z, ± 2 h

Placed by 4 buoys, whose own placements lie within 161 nmi of it

Its swell was last measured at 41044 (NE St Martin) on 29 Oct 07:20Z; 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