North Pacific storm

50°55.4′N 167°04.5′W

Waves left about 31 Oct 18:16Z, ± 3 h

Placed by 5 buoys, whose own placements lie within 250 nmi of it

Its swell was last measured at 51002 (SW Hawaii - 200 NM SW of Kona) on 8 Nov 01:39Z; 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