North Pacific storm

26°23.8′N 149°00.1′W

Waves left about 1 Nov 23:51Z, ± 3 h

Placed by 3 buoys, whose own placements lie within 269 nmi of it

Its swell was last measured at 46060 (West Orca Bay, AK) on 9 Nov 10:20Z; 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