North Atlantic storm

01°30.5′N 031°45.7′W

Waves left about 3 Nov 05:34Z, ± 10 h

Placed by 2 buoys, whose own placements lie within 411 nmi of it

Its swell was last measured at 44084 (Bethany Beach, DE) on 12 Nov 01:00Z; 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