Surf Forecasts:
Maenporth surf forecast from 30 Aug 2026:
- Most powerful swell: Monday 31 Aug, 1AM (local time) - 11ft (3.5m), 10s period, WSW swell with 1,955 kJ wave energy.
Best Forecast Surf Conditions for Maenporth this week:
The most powerful waves expected at Maenporth in the next 16 days are 3.5m 10s and forecast to arrive on Monday (Aug 31) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 10s period and expected on Monday (Aug 31) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Mon 31st Aug) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Maenporth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Gotta be straight with you – this is one of those outlooks where patience is the name of the game. For the next 16 days, we’ve got a long, empty stretch ahead before anything even thinks about showing up.
The first real flicker of life doesn’t come until Monday the 31st of August at Maenporth. We’re looking at a solid 10ft swell from the WSW, a 10-second interval, and clean with the wind blowing offshore from the WNW at 19 mph. The combined energy of all swells directed here hits a solid 1411 (moderate wave energy). That’s a decent push of groundswell, but this beginner spot is sheltered and the wave quality is described as “marginal” – likely tricky with those tides. That energy level and 10ft makes it too big for beginners. The crowd potential is "often" as well, so expect company. For a more experienced surfer, it might be a fun, powerful session, but it’s not the clean, glassy perfection we always dream of.
Now, here’s the kicker: after that Monday morning, things totally shut down again. There are days of flatness or utter junk. Then on Tuesday the 8th of September morning, we get another spike – a big 12ft groundswell from the WSW at 10 seconds. The combined energy leaps up to 2844 (strong wave energy). But that’s coupled with fresh cross-shore winds creating lumpy cross-chop. It's raw, powerful, and messy – expert territory only, and even then, the quality is “marginal.”
Everything else in this 16-day window is flagged as poor surf conditions. We’re talking tiny ankle-biters, short-period wind slop, or just plain no waves at all. There is no standout session. The best of a bad lot is that Monday the 31st of August morning, but it comes with a lot of caveats.
Keep the board waxed and the coffee hot. This stretch looks bleak, but it never stays poor for long around here. Forecasts can flip.
Stay tuned,
Rusty
Short Range ForecastLight rain (total 8mm), mostly falling on Sun afternoon. Very mild (max 18°C on Sun morning, min 16°C on Sun afternoon). Winds decreasing (strong winds from the SW on Sun afternoon, light winds from the WSW by Mon night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Wed morning, min 16°C on Tue night). Winds increasing (light winds from the SW on Tue night, strong winds from the W by Fri morning). | ||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 7 | WSW 8 | WSW 10 | WSW 10 | W 10 | S 18 | S 18 | SW 17 | WSW 8 | WSW 6 | WSW 8 | WSW 8 | WSW 8 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 131 | 734 | 1955 | 1411 | 0 | 6 | 6 | 12 | 87 | 207 | 533 | 592 | 629 | 22 | 22 | 20 | 20 | 20 | 18 | 17 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross |
High Tide | 7:12AM4.97m | 7:28PM5.26m | 7:43AM5.03m | 8:00PM5.28m | 8:17AM5.02m | 8:35PM5.19m | 8:54AM4.91m | 9:15PM4.99m | 9:37AM4.72m | 10:03PM4.69m | 10:31AM4.47m | 11:06PM4.34m | 11:44AM4.22m | 00:33AM4.06m | |||||||
Low Tide | 1:48PM0.63m | 2:10AM0.57m | 2:22PM0.60m | 2:45AM0.59m | 2:59PM0.67m | 3:22AM0.72m | 3:38PM0.84m | 4:03AM0.96m | 4:23PM1.11m | 4:50AM1.28m | 5:16PM1.42m | 5:47AM1.63m | 6:26PM1.71m | ||||||||
 | |  |  | |  |  |  | | | |  | | | | | | | | |  | |
 | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — |
 | — | 8:08 | — | — | 8:07 | — | — | 8:05 | — | — | 8:02 | — | — | 8:00 | — | — | 7:59 | — | — | 7:57 | — |
mm | 2 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 16 | 17 | 17 | 16 | 18 | 18 | 17 | 19 | 19 | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 16 | 16 | 15 |
Feels °C | 14 | 12 | 10 | 12 | 12 | 14 | 16 | 15 | 16 | 15 | 16 | 15 | 16 | 16 | 15 | 10 | 10 | 12 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | W 9 | — | — | WSW 10 | W 10 | W 10 | W 9 | SW 17 | SW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | W 12 | SSW 13 | W 10 | W 9 |
| kJ | 347 | — | — | 1411 | 922 | 489 | 194 | 12 | 10 | 25 | 23 | 21 | 21 | 22 | 22 | 20 | 20 | 988 | 18 | 133 | 311 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | S 18 | S 18 | SW 17 | S 11 | S 10 | — | — | — | — | — | — | — | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
| kJ | — | — | — | — | — | 6 | 6 | 12 | 2 | 2 | — | — | — | — | — | — | — | 20 | 18 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 11 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 7 | WSW 8 | WSW 10 | W 10 | — | — | — | W 9 | WSW 8 | WSW 6 | WSW 8 | WSW 8 | WSW 8 | W 8 | W 10 | W 11 | W 11 | — | W 11 | W 8 | — |
| kJ | 131 | 734 | 1955 | 1662 | — | — | — | 158 | 87 | 207 | 533 | 592 | 629 | 512 | 780 | 1492 | 1595 | — | 599 | 245 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 380 | 518 | 178 | 154 | 164 | 25 | 23 | 172 | 190 | 262 | 188 | 209 | 50 | 50 | 725 | 532 | 201 | 200 | 25 | 25 | 20 |
Best forecast wave conditions in South Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Maenporth Surf forecast
The above surf forecast table for Maenporth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Maenporth can be found by selecting the local surf guide option on the grey menu. Our Maenporth 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 (Maenporth) 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 Maenporth 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 South Cornwall? If you are looking for accommodation near Maenporth, camping, hotels and holiday cottages in South Cornwall, consider staying in Falmouth which is 1 km (1 miles) away. Other places in and around South Cornwall where you can find information about places to rent, and car hire include Penryn which is 2 km (1 miles) away, Truro, Camborne and The Lizard.
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