North Pacific storm

36°42.1′N 174°50.3′W

Waves left about 7 Nov 06:31Z, ± 4 h

Placed by 4 buoys, whose own placements lie within 251 nmi of it

Its swell was last measured at 46246 (Ocean Station PAPA (166)) on 11 Nov 22:00Z; 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