Bluegraph
SIMarineUS

Storms placed by their swell

North Pacific storm

06°19.5′N 128°05.5′E

Waves left about 2 Oct 11:02Z, ± 8 h

Placed by 3 buoys, whose own placements lie within 460 nmi of it

Its swell was last measured at 46213 (Cape Mendocino, CA (094)) on 15 Oct 23:00Z; 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