North Pacific storm

26°33.1′N 157°42.9′W

Waves left about 24 Oct 17:46Z, ± 5 h

Placed by 2 buoys, whose own placements lie within 178 nmi of it

Its swell was last measured at 51003 (Western Hawaii) on 27 Oct 06:20Z; 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