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Gwithian Surf Forecast
/ Cornwall (North) (59 surf breaks) /
Surf Forecasts:
Gwithian surfForecast / Cornwall (North) / UK
12 Day Weather and Surf, issued 6 am Tuesday 16 Sep 2025 BST
Best Forecast Surf Conditions for Gwithian this week:
The surf forecast for Gwithian over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 17) at 10PM. The primary swell is predicted to be 3.5m and 13s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Gwithian in the next 12 days are 3.5m 13s and forecast to arrive on Wednesday (Sep 17) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Monday (Sep 22) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 17th Sep) | 11ft (3.5m) 13s |
| Best Surf | 10PM (Wed 17th Sep) | 11ft (3.5m) 13s |
| Most Powerful | 10PM (Wed 17th Sep) | 11ft (3.5m) 13s |
Table - best surf conditions forecast for Gwithian over the next 12 days.
Short Range Forecast Light rain (total 2mm), mostly falling on Tue night. Very mild (max 18°C on Thu morning, min 14°C on Tue morning). Winds decreasing (strong winds from the SSW on Tue night, light winds from the SSE by Thu night). | Days 3-6 Weather Summary Heavy rain (total 51mm), heaviest during Fri night. Very mild (max 18°C on Fri morning, min 10°C on Sun morning). Winds increasing (calm on Sat morning, gales from the N by Sun morning). | ||||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 9 | 10 | 13 | 12 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 7 | 8 | 7 | 7 | 8 | 6 | 6 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 2400 | 1406 | 750 | 1312 | 2041 | 2879 | 1643 | 1474 | 1029 | 691 | 537 | 399 | 410 | 346 | 547 | 1336 | 716 | 198 | 161 | 158 | 112 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross | cross- on | cross- off | cross- off | cross- on | cross | cross | cross | cross- on | cross- on | cross |
High Tide / height (m) | 1:12PM 4.56 | 2:08AM 4.43 | 2:47PM 4.74 | 3:29AM 4.73 | 3:54PM 5.13 | 4:24AM 5.13 | 4:42PM 5.55 | 5:05AM 5.51 | 5:21PM 5.89 | 5:41AM 5.81 | 5:56PM 6.14 | 6:14AM 6.02 | 6:28PM 6.26 | ||||||||
Low Tide / height (m) | 8:04PM 1.86 | 8:44AM 1.90 | 9:29PM 1.57 | 9:55AM 1.53 | 10:28PM 1.17 | 10:45AM 1.12 | 11:11PM 0.81 | 11:25AM 0.78 | 11:47PM 0.53 | 11:59AM 0.52 | 12:19AM 0.35 | 12:30PM 0.37 | 12:48AM 0.29 | ||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||
| Sunrise | 6:56 | - | - | 6:58 | - | - | 7:00 | - | - | 7:01 | - | - | 7:03 | - | - | 7:05 | - | - | 7:05 | - | - |
| Sunset | - | 7:34 | - | - | 7:31 | - | - | 7:29 | - | - | 7:27 | - | - | 7:24 | - | - | 7:22 | - | - | 7:21 | - |
 |  |  | | |  | | | | | |  |  | | |  | | | |  |  | |
Rain (mm) | - | - | 2 | - | - | - | - | - | - | - | - | 19 | 8 | 9 | 5 | 5 | 3 | 2 | 1 | 1 | 1 |
| Temp. °C | 15 | 15 | 15 | 17 | 17 | 17 | 18 | 18 | 16 | 18 | 18 | 16 | 15 | 15 | 13 | 11 | 11 | 12 | 12 | 12 | 13 |
| Feels °C (?) | 11 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 16 | 16 | 16 | 16 | 15 | 4 | -2 | 2 | 2 | 4 | 4 | 9 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Cornwall (North)
The wind is still cross-on at Gwithian (light winds from the W at Culdrose Airport 18 km from Gwithian). 2.6m 12s groundswell from the WNW with a 2.5m 6s windswell, also from the WNW. 2 swells combining so expect closeout sets.
18 km away, 1 h 2 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Gwithian surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Gwithian Surf forecast
The above surf forecast table for Gwithian provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Gwithian can be found by selecting the local surf guide option on the grey menu. Our Gwithian surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Gwithian) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Gwithian may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Gwithian is 6 km (4 miles) from Camborne. If you plan a holiday in North Cornwall, look for hotels and other accommodation in Camborne. Camborne has rooms for a wide range of budgets as well as car hire and transport links.
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