Surf Forecasts:
Mawgan Porth surf forecast from 13 Sep 2026:
- Most powerful swell: Wednesday 16 Sep, 1PM (local time) - 6.5ft (2.0m), 11s period, WNW swell with 903 kJ wave energy.
Best Forecast Surf Conditions for Mawgan Porth this week:
The most powerful waves expected at Mawgan Porth in the next 16 days are 2.0m 11s and forecast to arrive on Wednesday (Sep 16) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Wed 16th Sep) | 6.5ft (2.0m) 11s |
Table - best surf conditions forecast for Mawgan Porth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's take a look at what Mawgan Porth has in store for us over the next couple of weeks. I gotta be straight with you, it’s a tough stretch ahead.
The whole 16-day run is pretty grim for quality waves. For the first nine days or so, from the 13th right through to the 21st of September, it’s a write-off. We’re looking at cross-onshore winds, lumpy, choppy conditions, and every single surf session comes back as "poor surf conditions." The swell is there, mind you – we see a moderate combined energy peaking around 837 on the 16th with a 6ft WNW groundswell at 11 seconds – but the wind just ruins it. That’s a lot of energy (837) with no real shape to it. A real kick in the teeth.
There is a tiny glimmer on the 22nd of September. Tuesday morning brings an 8ft NW swell, but it’s short-period at 7 seconds and the combined energy is strong at 738. The wind is a gentle cross-shore from the north, which is better, but the forecast still calls it "marginal" at best and it’s only scoring a 2/10. That size is getting into expert territory for sure, but the short period and cross-shore wind won't make it pretty. Not one to get excited about.
From the 23rd of September onwards, the wind finally turns favourable. We get clean conditions with offshore and cross-offshore breezes, even a glassy period on the morning of the 27th. But the swell just totally dies on us. We’re looking at tiny waves of 1.0ft to 2ft with combined energy figures in the weak range – mostly under 100. The 26th and 27th are described as "surfable but very ordinary," which about sums it up. The water temp is sitting at 64°F on the 13th, which is a touch warmer than average for this time of year.
Honestly, there’s no standout session in this forecast. If you absolutely have to get wet, the cleanest conditions will be on the 27th of September with glassy conditions and tiny 2ft waves, but it’s barely a ripple. This is a period where you’re better off waiting for the next forecast update.
Rusty.
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 20°C on Mon afternoon, min 14°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Wed night. Very mild (max 18°C on Fri night, min 14°C on Wed morning). Winds increasing (moderate winds from the W on Wed night, strong winds from the WSW by Fri afternoon). | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
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) | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | W 8 | W 8 | WNW 8 | W 10 | WNW 11 | W 10 | WNW 8 | W 8 | WNW 8 | WNW 13 | W 7 | W 8 | W 8 | W 8 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 441 | 377 | 262 | 225 | 177 | 137 | 383 | 522 | 589 | 755 | 837 | 520 | 592 | 576 | 763 | 492 | 286 | 501 | 454 | 569 | 612 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | cross-on | on | on | on | on |
High Tide | 7:29PM6.87m | 7:47AM6.62m | 8:04PM6.58m | 8:20AM6.34m | 8:38PM6.17m | 8:54AM5.95m | 9:13PM5.69m | 9:30AM5.49m | 9:51PM5.16m | 10:10AM5.00m | 10:36PM4.66m | 11:04AM4.55m | 11:45PM4.25m | ||||||||
Low Tide | 1:28PM0.07m | 1:48AM0.15m | 2:02PM0.27m | 2:19AM0.45m | 2:34PM0.59m | 2:50AM0.85m | 3:07PM1.01m | 3:22AM1.30m | 3:42PM1.48m | 3:59AM1.78m | 4:26PM1.95m | 4:48AM2.22m | 5:31PM2.37m | ||||||||
 |  |  | | |  |  | |  | | |  |  | | | | | | | |  | |
 | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — |
 | — | 7:38 | — | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:28 | — | — | 7:25 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | 1 | — | — | — |
Temp °C | 19 | 18 | 18 | 19 | 20 | 18 | 16 | 16 | 16 | 14 | 15 | 16 | 16 | 16 | 15 | 16 | 17 | 18 | 16 | 16 | 15 |
Feels °C | 17 | 16 | 18 | 18 | 19 | 17 | 11 | 10 | 11 | 7 | 10 | 12 | 11 | 10 | 9 | 10 | 11 | 13 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 9 | W 9 | WNW 12 | — | — | — | W 10 | — | N 6 | — | — | W 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | SW 16 | — |
| kJ | 441 | 377 | 262 | 225 | 177 | 14 | — | — | — | 755 | — | 16 | — | — | 3 | 492 | 271 | 83 | 45 | 10 | — |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | — | SW 12 | SW 12 | SW 12 | — | — | — | — | — | — | — | — | — | W 12 | — | W 16 | SW 16 | — | — |
| kJ | 7 | 7 | — | 6 | 6 | 6 | — | — | — | — | — | — | — | — | — | 3 | — | 5 | 10 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | W 8 | W 8 | W 8 | WNW 8 | N 6 | WNW 11 | W 10 | WNW 8 | W 8 | WNW 8 | W 7 | W 7 | W 8 | W 8 | W 8 | W 10 |
| kJ | — | — | — | — | — | 137 | 383 | 522 | 589 | 66 | 837 | 520 | 592 | 576 | 763 | 277 | 286 | 501 | 454 | 569 | 612 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 8 | 7 | 7 | 7 | 7 | 237 | 331 | 93 | 93 | 135 | 221 | 221 | 527 | 135 | 246 | 563 | 563 | 622 | 246 | 7 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Mawgan Porth Surf forecast
The above surf forecast table for Mawgan Porth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mawgan Porth can be found by selecting the local surf guide option on the grey menu. Our Mawgan Porth 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 (Mawgan Porth) 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 Mawgan Porth 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 Mawgan Porth, camping, hotels and holiday cottages in North Cornwall, consider staying in Newquay which is 8 km (5 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 11 km (7 miles) away, Bodmin, Truro and Saint Austell.
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