Bluegraph
SIMarineUS

Storms placed by their swell

South Pacific storm

44°50.0′S 142°37.9′W

Waves left about 10 Oct 23:31Z, ± 10 h

Placed by 6 buoys, whose own placements lie within 723 nmi of it

Its swell was last measured at 46253 (San Pedro South, CA) on 21 Oct 20:44Z; 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