North Pacific storm

38°11.3′N 176°43.3′W

Waves left about 30 Oct 11:52Z, ± 2 h

Placed by 12 buoys, whose own placements lie within 313 nmi of it

Its swell was last measured at 46054 (West Santa Barbara, CA) on 6 Nov 00:50Z; 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