North Pacific storm

25°10.0′N 152°33.0′W

Waves left about 24 Oct 15:16Z, ± 6 h

Placed by 2 buoys, whose own placements lie within 285 nmi of it

Its swell was last measured at 46047 (Tanner Bank, CA) on 28 Oct 04:20Z; 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