North Atlantic storm

23°33.0′N 023°51.5′W

Waves left about 17 Oct 01:52Z, ± 9 h

Placed by 2 buoys, whose own placements lie within 208 nmi of it

Its swell was last measured at 41113 (Cape Canaveral Nearshore, FL) on 23 Oct 23:00Z; 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