| Understanding this forecast | Today | Tomorrow | Wednesday | Thursday | Friday | |||||||||||||||
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| 0 | 6 | 12 | 18 | 0 | 6 | 12 | 18 | 0 | 6 | 12 | 18 | 0 | 6 | 12 | 18 | 0 | 6 | 12 | 18 | |
| 0 | 6 | 12 | 18 | 0 | 6 | 12 | 18 | 0 | 6 | 12 | 18 | 0 | 6 | 12 | 18 | 0 | 6 | 12 | 18 | |
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| Rating (Experienced) |
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Can deliver some powerful waves with the right conditions. 6:00 Today
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| Breaking wave(feet) | 1½ chop |
1½ chop |
1 chop |
1 flat |
1 chop |
1½ chop |
1½ messy thigh |
2½ messy waist |
3½ junky |
2½ junky |
1½ messy thigh |
2½ junky |
3½ junky |
4½ junky |
4½ junky |
3½ junky |
3½ junky |
4½ junky |
4½ junky |
4½ junky |
| Swell height(feet) | 2½ | 2 | 1½ | 1 | 1 | 1½ | 2 | 3 | 4½ | 3½ | 1½ | 2½ | 4 | 6 | 5 | 4 | 3½ | 5 | 5 | 6 |
| Swell period(s) | 5 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 11 | 11 | 10 | 10 | 9 |
| Swell direction |  |
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| Wind speed(mph) | 7 | 10 | 14 | 17 | 19 | 21 | 22 | 19 | 13 | 15 | 24 | 27 | 26 | 19 | 20 | 22 | 22 | 19 | 18 | 16 |
| Wind direction |  |
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Standard weather forecast for nearby Redruth on the BBC website
More Porthtowan forecasts and linksSame break, different sites:
It's good to check a few forecasts, so here are some links:
 | Porthtowan Surf Report and Forecast on MagicSeaweed, a forecast site using NWW3 data |
|---|---|
 | Virtual offshore buoy (51.0º N / -5.0º W) on Buoyweather, a forecast Site based on NWW3 data |
 | Surface pressure charts for Europe from the Met Office |