North Pacific storm

27°29.7′N 163°31.6′W

Waves left about 4 Nov 23:06Z, ± 5 h

Placed by 5 buoys, whose own placements lie within 326 nmi of it

Its swell was last measured at 46073 (Southeast Bering Sea, AK) on 10 Nov 08:40Z; 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