Gulf of Alaska storm

52°29.5′N 158°49.5′W

Waves left about 5 Oct 11:08Z, ± 1 h

Placed by 12 buoys, whose own placements lie within 282 nmi of it

Its swell was last measured at 46259 (Santa Lucia Escarpment, CA) on 10 Oct 17:00Z; 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