North Pacific storm

43°23.2′N 175°47.0′W

Waves left about 2 Nov 11:56Z, ± 3 h

Placed by 5 buoys, whose own placements lie within 202 nmi of it

Its swell was last measured at 46218 (Harvest, CA (071)) on 8 Nov 14:00Z; 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