Bluegraph
SIMarineUS

Storms placed by their swell

North Atlantic storm

36°53.1′N 056°59.5′W

Waves left about 12 Oct 05:35Z, ± 4 h

Placed by 4 buoys, whose own placements lie within 285 nmi of it

Its swell was last measured at 44095 (Oregon Inlet, NC) on 15 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