Is Atmospheric Momentum The Key? - Video Forecast HERE (9/7/25)

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Surf Spot Forecast Graph Surf Size, Swell Size, Swell Period & Direction, Wind Speed & Direction   STORMSURF Surf & Wind Forecast Muroran_Hokkaido 42.0 N 141.0 E Time(UTC)/Date Surf Size (ft) Swell Hght (ft) Swll Per (secs) Swl Dir (deg) Wind (kts) Signif Wave Hgt 00Z Mon 15SEP 0.6 0.8 7.3 110 SSW 1 1.0 ft @ 1 secs 06Z Mon 15SEP 0.6 0.9 7.2 110 SW 10 1.3 ft @ 1 secs 12Z Mon 15SEP 0.5 0.7 7.5 111 WSW 10 1.1 ft @ 1 secs 18Z Mon 15SEP 0.5 0.7 7.2 117 W 9 1.2 ft @ 1 secs 00Z Tue 16SEP 0.8 0.9 9.1 114 NW 6 1.1 ft @ 1 secs 06Z Tue 16SEP 0.7 0.8 8.9 112 NE 2 1.0 ft @ 1 secs 12Z Tue 16SEP 0.7 0.8 8.8 112 SW 8 1.0 ft @ 1 secs 18Z Tue 16SEP 0.7 0.8 8.7 112 SW 7 1.0 ft @ 1 secs 00Z Wed 17SEP 0.7 0.8 8.8 111 S 8 1.0 ft @ 1 secs 06Z Wed 17SEP 0.7 0.8 8.9 111 NW 15 2.0 ft @ 2 secs 12Z Wed 17SEP 0.8 0.9 8.6 116 NW 16 2.2 ft @ 2 secs 18Z Wed 17SEP 0.7 0.9 8.2 120 NW 8 1.4 ft @ 1 secs 00Z Thu 18SEP 0.7 0.8 8.5 118 NW 10 1.3 ft @ 1 secs 06Z Thu 18SEP 0.6 0.7 8.5 116 NW 18 2.4 ft @ 2 secs 12Z Thu 18SEP 0.5 0.6 8.4 115 WNW 12 2.2 ft @ 2 secs 18Z Thu 18SEP 0.3 0.8 3.3 333 WSW 6 1.1 ft @ 1 secs 00Z Fri 19SEP 0.7 0.7 10.2 111 NW 5 0.8 ft @ 1 secs 06Z Fri 19SEP 0.7 0.7 9.9 108 SE 3 0.7 ft @ 1 secs 12Z Fri 19SEP 0.6 0.7 9.7 111 NW 7 0.9 ft @ 1 secs 18Z Fri 19SEP 0.6 0.6 9.6 111 NW 11 1.2 ft @ 1 secs 00Z Sat 20SEP 0.6 0.6 9.4 111 NNE 6 0.9 ft @ 1 secs 06Z Sat 20SEP 0.6 0.6 9.2 111 ENE 6 0.9 ft @ 1 secs 12Z Sat 20SEP 0.5 0.6 9.1 111 ESE 10 1.2 ft @ 1 secs 18Z Sat 20SEP 0.9 2.0 4.7 112 S 9 2.1 ft @ 2 secs 00Z Sun 21SEP 0.5 0.4 11.2 109 ENE 14 2.7 ft @ 3 secs 06Z Sun 21SEP 0.9 1.8 5.2 90 SSW 7 1.9 ft @ 2 secs 12Z Sun 21SEP 1.2 1.7 6.7 97 SSW 8 1.8 ft @ 2 secs 18Z Sun 21SEP 2.7 3.1 8.6 107 SW 5 3.1 ft @ 3 secs 00Z Mon 22SEP 3.8 4.0 9.5 108 S 1 4.0 ft @ 4 secs 06Z Mon 22SEP 3.7 3.8 9.7 106 NW 3 3.8 ft @ 4 secs 12Z Mon 22SEP 3.2 3.4 9.5 103 NNW 13 3.6 ft @ 4 secs

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