Bluegraph
SIMarineUS

Storms placed by their swell

North Pacific storm

05°38.1′N 124°08.6′W

Waves left about 25 Oct 02:23Z, ± 10 h

Placed by 2 buoys, whose own placements lie within 104 nmi of it

Its swell was last measured at 46022 (Eel River, CA) on 29 Oct 08:20Z; 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