North Pacific storm

44°01.4′N 157°11.0′W

Waves left about 2 Oct 09:55Z, ± 3 h

Placed by 7 buoys, whose own placements lie within 158 nmi of it

Its swell was last measured at 46069 (South Santa Rosa Island, CA) on 7 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