Bluegraph
SIMarineUS

Storms placed by their swell

South Pacific storm

26°30.3′S 137°01.3′W

Waves left about 2 Nov 22:03Z, ± 12 h

Placed by 2 buoys, whose own placements lie within 411 nmi of it

Its swell was last measured at 46277 (Green Beach Offshore) on 12 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