Surf Forecasts:
Maenporth surf forecast from 15 Sep 2026:
- Most powerful swell: Saturday 19 Sep, 1AM (local time) - 5ft (1.6m), 7s period, WSW swell with 247 kJ wave energy.
Best Forecast Surf Conditions for Maenporth this week:
The most powerful waves expected at Maenporth in the next 16 days are 1.6m 7s and forecast to arrive on Saturday (Sep 19) 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 2.4m 10s period and expected on Friday (Sep 18) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Sat 19th Sep) | 5ft (1.6m) 7s |
Table - best surf conditions forecast for Maenporth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for Maenporth over the next couple of weeks.
Honestly, I’ve gotta level with you – it’s a pretty grim run for a while. The forecast is showing a proper flat spell with barely a ripple to get excited about. We’re looking at days of tiny, weak swell with combined wave energy reading in the single digits (2-10) and the quality is just not there. There’s a solid gap from now through to the end of next week where you’re better off leaving the boards in the car. The first hint of anything with a pulse doesn’t show up until Saturday the 26th of September.
Come the weekend of the 26th and 27th, we finally see some size pop up. On Saturday the 26th, the morning session at Maenporth has a bit of 4ft easterly swell, but the period is a short 5 seconds. It’s a light offshore wind from the NE though, keeping things clean. The combined energy is 82 – moderate but punchy for a beach. This is still rated as poor surf conditions, so it’s not a standout. That afternoon the swell nudges up to 4ft from the east with the same short period, and the energy hits 105, but it goes onshore, so it’ll be a bit of a messy closeout. The water temp is about average for this time of year.
By Tuesday the 29th of September, the morning has the biggest energy reading we see in the whole period at 145, from a 3ft WSW swell with an 8-second period. That’s moderate energy and a bit of shape, but the wind is a fresh cross-onshore from the east at 19 mph, making it lumpy and hard work. It’s really only going to be for the dedicated.
To be honest, there’s no true standout here. The whole 16-day window is just one long stretch of small, weak, or messy surf. It’s one of those blank runs that’s pretty normal for the area when the wind and swell don’t line up. Keep an eye on the forecasts, though – it tends not to stay poor for long.
Rusty.
Short Range ForecastSome drizzle, heaviest during Thu morning. Very mild (max 17°C on Mon night, min 14°C on Wed morning). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sun afternoon, min 14°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||
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) | S 11 | S 11 | S 11 | W 10 | W 11 | S 13 | W 7 | S 13 | WNW 10 | S 18 | S 12 | WSW 7 | S 16 | S 15 | SW 14 | SW 14 | S 14 | SW 13 | SW 13 | SW 13 | S 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 2 | 0 | 0 | 3 | 0 | 3 | 0 | 6 | 3 | 247 | 5 | 4 | 8 | 8 | 4 | 7 | 7 | 7 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross |
High Tide | 8:21AM4.93m | 8:40PM4.93m | 8:56AM4.74m | 9:16PM4.59m | 9:34AM4.49m | 9:55PM4.23m | 10:19AM4.20m | 10:46PM3.87m | 11:23AM3.92m | 00:06AM3.60m | 12:54PM3.77m | 1:40AM3.54m | 2:17PM3.82m | 2:55AM3.68m | |||||||
Low Tide | 2:59PM0.80m | 3:18AM1.02m | 3:33PM1.12m | 3:49AM1.35m | 4:08PM1.48m | 4:22AM1.68m | 4:47PM1.84m | 5:00AM2.01m | 5:36PM2.17m | 5:53AM2.29m | 6:59PM2.39m | 7:34AM2.43m | 9:09PM2.30m | ||||||||
 | |  |  | |  |  |  |  | | | | | | | | | | | | | |
 | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — |
 | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:28 | — | — | 7:25 | — | — | 7:23 | — | — | 7:21 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 15 | 15 | 15 | 16 | 17 | 16 | 15 | 16 | 16 | 17 | 18 | 18 | 17 | 18 | 19 | 19 | 19 | 19 | 18 |
Feels °C | 12 | 11 | 11 | 11 | 11 | 12 | 11 | 10 | 10 | 13 | 11 | 14 | 15 | 15 | 16 | 17 | 18 | 20 | 19 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | W 10 | S 11 | W 8 | W 10 | W 11 | S 13 | — | S 13 | W 10 | W 13 | W 13 | W 12 | W 11 | S 15 | SW 14 | W 10 | W 10 | W 10 | W 12 | W 12 | W 11 |
| kJ | 76 | 2 | 513 | 937 | 828 | 3 | — | 3 | 771 | 1233 | 928 | 184 | 89 | 4 | 8 | 494 | 450 | 184 | 347 | 273 | 220 |
Swell 2 Height (m) Direction Period (s) | S 11 | — | S 11 | — | — | — | — | — | — | S 12 | S 12 | S 16 | S 16 | S 11 | — | SW 14 | S 14 | W 12 | SW 13 | SW 13 | S 13 |
| kJ | 2 | — | 2 | — | — | — | — | — | — | 3 | 3 | 5 | 5 | 2 | — | 8 | 4 | 184 | 7 | 7 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 18 | S 12 | S 12 | S 12 | — | — | S 11 | S 11 | SW 13 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 6 | 3 | 3 | 3 | — | — | 2 | 2 | 7 | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | W 8 | W 8 | NNE 3 | — | W 10 | W 7 | W 9 | WNW 10 | — | — | WSW 7 | W 7 | W 11 | W 10 | — | — | — | — | SE 2 | ESE 3 |
| kJ | 260 | 372 | 632 | 1 | — | 533 | 408 | 524 | 1043 | — | — | 247 | 215 | 646 | 669 | — | — | — | — | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 201 | 201 | 92 | 92 | 190 | 485 | 532 | 201 | 92 | 50 | 190 | 190 | 201 | 30 | 30 | 27 | 25 | 18 | 18 | 18 | 18 |
Best forecast wave conditions in South Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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