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Porth Beach Surf Forecast
/ Cornwall (North) (59 surf breaks) /
Surf Forecasts:
Porth Beach surfForecast / Cornwall (North) / UK
12 Day Weather and Surf, issued 6 pm Thursday 04 Sep 2025 BST
Best Forecast Surf Conditions for Porth Beach this week:
The surf forecast for Porth Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 05) at 7PM. The primary swell is predicted to be 1.3m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Porth Beach in the next 12 days are 5.5m 13s and forecast to arrive on Monday (Sep 08) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Sunday (Sep 07) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Fri 5th Sep) | 4.5ft (1.3m) 9s |
| Best Surf | 1AM (Mon 8th Sep) | 11ft (3.5m) 11s |
| Most Powerful | 7AM (Mon 8th Sep) | 18ft (5.5m) 13s |
Table - best surf conditions forecast for Porth Beach over the next 12 days.
Short Range Forecast Light rain (total 9mm), mostly falling on Sun morning. Warm (max 20°C on Sat afternoon, min 15°C on Fri night). Winds increasing (light winds from the SSW on Fri afternoon, strong winds from the S by Sat night). | Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Mon morning. Very mild (max 17°C on Sun afternoon, min 15°C on Mon night). Winds decreasing (near gales from the S on Sun night, light winds from the SW by Tue night). | ||||||||||||||||||||||
Thu 04 | Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 9 | 10 | 11 | 13 | 12 | 13 | 10 | 10 | 8 | 11 | 10 | 8 | 8 | ||
Wave (?)Graph  | |||||||||||||||||||||||
| Energy (?) | 1763 | 1188 | 555 | 355 | 203 | 167 | 110 | 57 | 895 | 1247 | 2730 | 8124 | 3290 | 2628 | 882 | 492 | 329 | 606 | 569 | 470 | 489 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | off | off | off | off | cross- off | cross | cross- off | cross- off | cross | cross- on | cross- off | cross- off | cross | cross- on | cross | cross- on | cross | ||
High Tide / height (m) | 4:20AM 5.14 | 4:40PM 5.59 | 5:01AM 5.68 | 5:19PM 6.16 | 5:40AM 6.19 | 5:56PM 6.66 | 6:17AM 6.61 | 6:34PM 7.02 | 6:54AM 6.88 | 7:12PM 7.20 | 7:32AM 6.98 | 7:51PM 7.15 | 8:11AM 6.87 | ||||||||||
Low Tide / height (m) | 10:20PM 1.65 | 10:38AM 1.44 | 11:03PM 1.10 | 11:18AM 0.92 | 11:42PM 0.57 | 11:56AM 0.45 | 12:19AM 0.14 | 12:32PM 0.09 | 12:55AM -0.14 | 1:09PM -0.12 | 1:32AM -0.23 | 1:47PM -0.14 | 2:10AM -0.11 | ||||||||||
Thu 04 | Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||
| Sunrise | - | - | 6:39 | - | - | 6:41 | - | - | 6:41 | - | - | 6:43 | - | - | 6:45 | - | - | 6:47 | - | - | 6:48 | ||
| Sunset | 7:59 | - | - | 7:57 | - | - | 7:54 | - | - | 7:52 | - | - | 7:51 | - | - | 7:47 | - | - | 7:45 | - | - | ||
 |  |  |  |  | | |  | |  | | | | | |  | | | | | | |||
Rain (mm) | 2 | 1 | - | - | - | - | - | 2 | 4 | 1 | 1 | 3 | 2 | 2 | - | 1 | 1 | - | 2 | 1 | 1 | ||
| Temp. °C | 16 | 16 | 17 | 17 | 16 | 19 | 20 | 18 | 17 | 17 | 16 | 17 | 17 | 16 | 17 | 16 | 16 | 17 | 17 | 17 | 16 | ||
| Feels °C (?) | 11 | 12 | 14 | 15 | 15 | 13 | 12 | 14 | 12 | 11 | 11 | 12 | 12 | 11 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | ||
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
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 Porth Beach (moderate winds from the W at Newquay Airport 5 km from Porth Beach). A 2.4m groundswell from the W
1 h 42 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 Porth Beach 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 Porth Beach Surf forecast
The above surf forecast table for Porth Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Porth Beach can be found by selecting the local surf guide option on the grey menu. Our Porth Beach 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 (Porth Beach) 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 Porth Beach 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.
Are you planning a holiday in North Cornwall? If you are looking for accommodation near Porth Beach, camping, hotels and holiday cottages in North Cornwall, consider staying in Newquay which is 3 km (2 miles) away. Other places in and around North Cornwall where you can find information about places to rent, and car hire include Padstow which is 16 km (10 miles) away, Truro, Saint Austell and Bodmin.
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