Gulf of Alaska storm

53°42.0′N 141°48.5′W

Waves left about 24 Oct 07:44Z, ± 3 h

Placed by 2 buoys, whose own placements lie within 94 nmi of it

Its swell was last measured at 46002 (West Oregon) on 26 Oct 18:50Z; 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