Bluegraph
SIMarineUS

Storms placed by their swell

North Pacific storm

49°56.0′N 162°05.6′W

Waves left about 26 Oct 22:48Z, ± 4 h

Placed by 2 buoys, whose own placements lie within 175 nmi of it

Its swell was last measured at 46219 (San Nicolas Island, CA) on 29 Oct 13:23Z; 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