North Pacific storm

21°56.9′N 142°48.7′E

Waves left about 5 Nov 13:54Z, ± 4 h

Placed by 2 buoys, whose own placements lie within 332 nmi of it

Its swell was last measured at 46035 (Central Bering Sea, AK Offshore) on 12 Nov 10:50Z; 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