North Pacific storm

37°32.3′N 131°50.9′W

Waves left about 8 Nov 03:37Z, ± 4 h

Placed by 2 buoys, whose own placements lie within 269 nmi of it

Its swell was last measured at 46028 (Cape San Martin, CA) on 11 Nov 06:40Z; 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