Gulf of Alaska storm

52°51.0′N 148°13.0′W

Waves left about 2 Oct 20:09Z, ± 3 h

Placed by 3 buoys, whose own placements lie within 240 nmi of it

Its swell was last measured at 46259 (Santa Lucia Escarpment, CA) on 7 Oct 16:00Z; 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