North Pacific storm

25°32.3′N 136°54.4′W

Waves left about 1 Oct 11:16Z, ± 6 h

Placed by 2 buoys, whose own placements lie within 121 nmi of it

Its swell was last measured at 46025 (Santa Monica Basin, CA) on 4 Oct 09:50Z; 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