Bluegraph
SIMarineUS

Storms placed by their swell

North Atlantic storm

36°54.0′N 057°35.4′W

Waves left about 26 Oct 17:26Z, ± 2 h

Placed by 5 buoys, whose own placements lie within 255 nmi of it

Its swell was last measured at 44065 (New York Harbor Entrance, NY) on 29 Oct 12:20Z; 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