Bluegraph
SIMarineUS

Storms placed by their swell

North Pacific storm

44°31.9′N 142°08.2′W

Waves left about 3 Nov 08:58Z, ± 3 h

Placed by 5 buoys, whose own placements lie within 175 nmi of it

Its swell was last measured at 46248 (Astoria Canyon, OR (179)) on 6 Nov 00:00Z; 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