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Gwithian Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Gwithian surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Friday 20 Mar 2026 GMTForecast update in hr min s Forecast update imminent
Gwithian surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gwithian sea temperature is
10.5° C
(Which is slightly warmer than usual)How big are the waves at Gwithian today?
The current surf forecast for Gwithian at 6PM is: 0.6m 11s primary swell from a West direction (forecast issued at 11:00am March 20). An open ocean swell of 0.3m 5s is not directed at the surf break, a second open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Mar) | 2.5ft (0.7m) | 12s |
| Afternoon (20 Mar) | 2ft (0.6m) | 11s |
| Evening (20 Mar) | 2ft (0.6m) | 11s |
Table - waves today at Gwithian. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 11 | 11 | 11 | 10 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 140 | 133 | 89 | 86 | 85 | 55 | 60 | 96 | 205 | 258 | 232 | 246 | 258 | 271 | 294 | 413 | 390 | 372 | 361 | 273 | 256 | 248 | 244 | 248 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- on | glass | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross- off |
High Tide / height (m) | 6:09PM 6.58 | 6:27AM 6.76 | 6:46PM 6.59 | 7:05AM 6.61 | 7:25PM 6.40 | |||||||||||||||||||
Low Tide / height (m) | 12:11PM -0.15 | 12:26AM -0.11 | 12:46PM -0.13 | 1:03AM -0.05 | 1:23PM 0.08 | 1:42AM 0.20 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:36 | - | - | - | - |
 | |  |  |  |  | | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 11 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 10 | 11 | 10 | 9 | 10 | 10 | 9 | 9 |
| Feels °C (?) | 5 | 6 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 10 | 10 | 10 | 8 | 8 | 7 | 6 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 6 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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