Bluegraph
SIMarineUS

Storms placed by their swell

North Pacific storm

24°24.3′N 176°04.6′W

Waves left about 22 Oct 15:47Z, ± 6 h

Placed by 4 buoys, whose own placements lie within 380 nmi of it

Its swell was last measured at 46059 (West California) on 28 Oct 17:50Z; 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