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Surf Spot Forecast Graph Surf Size, Swell Size, Swell Period & Direction, Wind Speed & Direction   STORMSURF Surf & Wind Forecast Half_Moon_Bay 37.35 N -122.5 W Time(UTC)/Date Surf Size (ft) Swell Hght (ft) Swll Per (secs) Swl Dir (deg) Wind (kts) Signif Wave Hgt 12Z Sat 12SEP 2.2 3.5 6.4 305 NNW 5 4.4 ft @ 4 secs 18Z Sat 12SEP 2.8 2.0 14.3 222 NW 11 4.1 ft @ 4 secs 00Z Sun 13SEP 2.9 2.0 14.3 224 NW 14 4.3 ft @ 4 secs 06Z Sun 13SEP 2.6 1.9 14.2 222 NW 12 4.7 ft @ 5 secs 12Z Sun 13SEP 2.5 1.8 13.7 216 NNW 16 4.9 ft @ 5 secs 18Z Sun 13SEP 2.0 1.5 13.5 218 NW 14 4.3 ft @ 4 secs 00Z Mon 14SEP 1.9 1.4 13.4 219 NW 15 4.5 ft @ 4 secs 06Z Mon 14SEP 1.8 1.3 13.3 220 NNW 15 5.9 ft @ 6 secs 12Z Mon 14SEP 4.5 5.8 7.7 300 NNW 7 6.0 ft @ 6 secs 18Z Mon 14SEP 4.5 5.4 8.3 299 WNW 9 5.6 ft @ 6 secs 00Z Tue 15SEP 4.3 5.1 8.4 298 NNW 12 5.3 ft @ 5 secs 06Z Tue 15SEP 5.5 6.5 8.5 301 NW 11 6.6 ft @ 7 secs 12Z Tue 15SEP 5.2 6.2 8.5 300 NW 6 6.3 ft @ 6 secs 18Z Tue 15SEP 4.2 5.1 8.3 298 W 6 5.2 ft @ 5 secs 00Z Wed 16SEP 3.4 4.2 8.2 297 W 4 4.4 ft @ 4 secs 06Z Wed 16SEP 3.1 3.7 8.2 299 W 1 4.0 ft @ 4 secs 12Z Wed 16SEP 3.5 4.1 8.5 301 S 5 4.4 ft @ 4 secs 18Z Wed 16SEP 3.3 3.9 8.3 300 SSW 10 4.2 ft @ 4 secs 00Z Thu 17SEP 2.5 3.2 7.9 300 SW 4 3.6 ft @ 4 secs 06Z Thu 17SEP 2.2 2.8 7.8 301 SW 1 3.3 ft @ 3 secs 12Z Thu 17SEP 2.0 2.6 7.9 302 WSW 0 3.2 ft @ 3 secs 18Z Thu 17SEP 1.8 2.3 7.9 302 WSW 6 3.1 ft @ 3 secs 00Z Fri 18SEP 1.7 2.1 7.9 303 NW 6 3.0 ft @ 3 secs 06Z Fri 18SEP 1.5 1.9 7.9 303 NNW 5 2.9 ft @ 3 secs 12Z Fri 18SEP 1.5 1.8 8.2 306 NNW 5 2.9 ft @ 3 secs 18Z Fri 18SEP 1.7 2.0 8.5 305 NW 11 3.0 ft @ 3 secs 00Z Sat 19SEP 1.9 1.7 11.4 182 NW 15 3.5 ft @ 4 secs 06Z Sat 19SEP 1.9 1.7 11.1 182 NNW 11 3.6 ft @ 4 secs 12Z Sat 19SEP 1.8 1.6 11.0 183 NNW 14 4.5 ft @ 4 secs 18Z Sat 19SEP 1.6 1.5 10.5 182 NW 16 5.2 ft @ 5 secs 00Z Sun 20SEP 2.3 1.3 17.8 223 NNW 17 5.3 ft @ 5 secs

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