North Pacific storm

07°10.5′N 161°28.3′E

Waves left about 2 Nov 12:30Z, ± 10 h

Placed by 2 buoys, whose own placements lie within 492 nmi of it

Its swell was last measured at 46075 (Shumagin Islands, AK) on 10 Nov 12:50Z; 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