Gulf of Alaska storm

50°34.0′N 158°28.8′W

Waves left about 24 Oct 15:13Z, ± 3 h

Placed by 3 buoys, whose own placements lie within 249 nmi of it

Its swell was last measured at 46005 (West Washington) on 27 Oct 18:40Z; 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