Bluegraph
SIMarineUS

Storms placed by their swell

North Atlantic storm

35°43.7′N 053°06.0′W

Waves left about 1 Oct 13:59Z, ± 5 h

Placed by 3 buoys, whose own placements lie within 254 nmi of it

Its swell was last measured at 41049 (South Bermuda) on 5 Oct 11:50Z; 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