North Pacific storm

03°50.1′N 167°24.5′W

Waves left about 29 Sep 23:36Z, ± 6 h

Placed by 4 buoys, whose own placements lie within 293 nmi of it

Its swell was last measured at 46237 (San Francisco Bar, CA (142)) on 8 Oct 22:00Z; 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