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 Tongatapu -21.0 S -175 W Time(UTC)/Date Surf Size (ft) Swell Hght (ft) Swll Per (secs) Swl Dir (deg) Wind (kts) Signif Wave Hgt 12Z Mon 15SEP 2.8 2.6 10.8 235 SE 12 4.1 ft @ 4 secs 18Z Mon 15SEP 2.7 2.7 10.2 220 SE 12 4.0 ft @ 4 secs 00Z Tue 16SEP 2.3 2.4 9.7 217 SE 13 4.1 ft @ 4 secs 06Z Tue 16SEP 3.9 2.4 16.2 181 SE 13 4.6 ft @ 5 secs 12Z Tue 16SEP 5.1 3.5 14.4 183 SE 14 5.0 ft @ 5 secs 18Z Tue 16SEP 4.6 3.4 13.3 184 SE 15 5.0 ft @ 5 secs 00Z Wed 17SEP 3.9 3.1 12.6 184 SE 15 4.8 ft @ 5 secs 06Z Wed 17SEP 3.2 2.7 11.9 183 SE 16 4.7 ft @ 5 secs 12Z Wed 17SEP 2.6 2.3 11.5 182 ESE 21 5.6 ft @ 6 secs 18Z Wed 17SEP 2.4 1.8 13.2 227 SE 24 7.2 ft @ 7 secs 00Z Thu 18SEP 2.3 1.7 13.3 227 ESE 21 7.0 ft @ 7 secs 06Z Thu 18SEP 2.1 1.6 12.9 226 ESE 20 6.7 ft @ 7 secs 12Z Thu 18SEP 2.2 1.6 13.9 226 ESE 20 7.0 ft @ 7 secs 18Z Thu 18SEP 1.5 1.5 10.2 173 SE 19 6.8 ft @ 7 secs 00Z Fri 19SEP 2.7 1.7 15.3 226 SE 16 6.4 ft @ 6 secs 06Z Fri 19SEP 2.4 1.6 14.7 226 SE 16 5.9 ft @ 6 secs 12Z Fri 19SEP 2.1 1.5 14.2 226 SE 14 5.5 ft @ 5 secs 18Z Fri 19SEP 1.8 1.3 13.6 227 SE 16 5.1 ft @ 5 secs 00Z Sat 20SEP 1.6 1.2 13.4 227 SE 14 5.1 ft @ 5 secs 06Z Sat 20SEP 1.5 1.1 13.3 227 SE 16 5.0 ft @ 5 secs 12Z Sat 20SEP 1.4 1.1 12.6 227 ESE 17 5.4 ft @ 5 secs 18Z Sat 20SEP 1.3 1.0 12.0 226 ESE 16 5.6 ft @ 6 secs 00Z Sun 21SEP 1.8 1.2 15.0 225 ESE 15 5.6 ft @ 6 secs 06Z Sun 21SEP 1.9 1.4 14.1 226 ESE 17 5.6 ft @ 6 secs 12Z Sun 21SEP 1.9 1.4 13.3 227 ESE 20 6.4 ft @ 6 secs 18Z Sun 21SEP 1.8 1.4 12.5 227 ESE 18 6.0 ft @ 6 secs 00Z Mon 22SEP 1.9 1.6 11.7 181 ESE 18 6.2 ft @ 6 secs 06Z Mon 22SEP 2.0 1.8 11.2 176 ESE 19 6.2 ft @ 6 secs 12Z Mon 22SEP 3.7 2.8 13.4 174 ESE 17 6.4 ft @ 6 secs 18Z Mon 22SEP 3.8 3.2 12.1 172 ESE 16 6.0 ft @ 6 secs 00Z Tue 23SEP 3.5 3.1 11.3 170 ESE 16 5.7 ft @ 6 secs

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