Bluegraph
SIMarineUS

Storms placed by their swell

North Atlantic storm

23°17.8′N 044°16.5′W

Waves left about 23 Oct 06:53Z, ± 5 h

Placed by 3 buoys, whose own placements lie within 208 nmi of it

Its swell was last measured at 44065 (New York Harbor Entrance, NY) on 30 Oct 10:20Z; 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