North Pacific storm

24°40.6′N 161°51.7′W

Waves left about 27 Oct 09:55Z, ± 7 h

Placed by 3 buoys, whose own placements lie within 428 nmi of it

Its swell was last measured at 46211 (Grays Harbor, WA) on 1 Nov 12:00Z; 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