Bluegraph
SIMarineUS

Storms placed by their swell

North Atlantic storm

25°12.4′N 044°34.4′W

Waves left about 14 Oct 03:06Z, ± 5 h

Placed by 3 buoys, whose own placements lie within 226 nmi of it

Its swell was last measured at 42060 (Caribbean Valley) on 18 Oct 06:20Z; 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