Surf Forecasts:
Mawgan Porth surf forecast from 4 Sep 2026:
- Best quality surf: Saturday 5 Sep, 7PM (local time) - 3.5ft (1.1m), 10s period, W swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 7AM (local time) - 7ft (2.2m), 14s period, W swell with 1,744 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 7PM (local time) - 3.5ft (1.1m), 10s period with W swell.
Best Forecast Surf Conditions for Mawgan Porth this week:
The surf forecast for Mawgan Porth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 05) at 7PM. The primary swell is predicted to be 1.1m and 10s period with a secondary swell of 0.2m and 4s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Mawgan Porth in the next 16 days are 2.2m 14s and forecast to arrive on Monday (Sep 07) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Sunday (Sep 06) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sat 5th Sep) | 3.5ft (1.1m) 10s |
| Best Surf | 7PM (Sat 5th Sep) | 3.5ft (1.1m) 10s |
| Most Powerful | 7AM (Mon 7th Sep) | 7ft (2.2m) 14s |
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’s on the cards for your local stretch.
Honestly, the next two weeks are a bit of a tough one for paddle surfing. The entire 16-day window is a real mixed bag, and the early part of the period is a write-off. We’ve got plenty of swell, but it’s coming in with a lot of wind, making it messy and choppy. It’s not until the tail end of the forecast that we finally see a real chance of some clean waves.
The first real sniff of anything surfable doesn’t arrive until the 17th of September, giving us a big gap of over a week with no real recommendations. The standout session, and the only one I’d really get excited about, is the morning of the 18th of September. We’ll see a WNW swell pushing 6ft, with a short period of 6 seconds. The key here is the fresh offshore wind from the East, which will have Mawgan Porth looking clean. The combined energy is moderate (268), and while it’s not a long-period groundswell, that offshore wind is a game-changer for getting some clean, punchy little walls. It’s the best on offer, no question.
The following morning on the 19th of September also looks promising, with gentle offshore winds again, but the swell drops right off to 3ft from the WNW, making it a much smaller, more marginal affair.
For the rest of the period, we’ve got consistent swell, but it’s almost always accompanied by onshore or cross-onshore winds, making conditions poor. The water temperature is sitting at 64°, which feels a touch warmer than normal for the time of year by about 3°. That’s a nice little bonus when you’re in the water.
So, for the next week and a half, it’s a waiting game. The 18th of September morning is your target. Set your alarm.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Sun morning, min 15°C on Fri night). Winds decreasing (fresh winds from the WNW on Fri afternoon, calm by Sat afternoon). | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Mon night. Very mild (max 17°C on Mon morning, min 14°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||
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 8 | W 9 | W 9 | WNW 11 | W 11 | W 10 | W 9 | W 8 | W 16 | W 13 | W 12 | W 10 | W 10 | W 10 | WNW 8 | WNW 8 | W 8 | W 6 | W 8 | W 8 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 671 | 621 | 473 | 478 | 326 | 153 | 102 | 90 | 251 | 1607 | 1225 | 955 | 587 | 593 | 427 | 295 | 208 | 109 | 501 | 555 | 493 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-off | cross-off | cross-on | on | on | cross-on | on | on | on | cross-on | on | on | cross-on | cross-on | on | on |
High Tide | 10:38AM5.44m | 11:12PM5.19m | 11:48AM5.04m | 00:35AM4.84m | 1:21PM4.91m | 2:12AM4.87m | 2:52PM5.18m | 3:32AM5.24m | 4:00PM5.69m | 4:31AM5.74m | 4:52PM6.23m | 5:18AM6.20m | 5:36PM6.65m | ||||||||
Low Tide | 4:58PM1.53m | 5:33AM1.79m | 6:21PM1.87m | 7:09AM2.02m | 8:06PM1.87m | 8:47AM1.83m | 9:32PM1.48m | 9:59AM1.38m | 10:33PM0.96m | 10:53AM0.87m | 11:22PM0.49m | 11:38AM0.44m | 00:03AM0.14m | ||||||||
 | |  |  | | | | | | | |  |  |  | | | |  | | | | |
 | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:47 | — | — |
 | — | 7:59 | — | — | 7:57 | — | — | 7:54 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | 1 | — | — | 2 | — | — | — |
Temp °C | 17 | 17 | 16 | 16 | 17 | 16 | 23 | 23 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 19 | 18 |
Feels °C | 13 | 12 | 12 | 15 | 17 | 15 | 19 | 20 | 18 | 13 | 12 | 12 | 10 | 9 | 10 | 12 | 11 | 15 | 17 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WNW 12 | WNW 11 | W 11 | W 10 | W 9 | W 8 | W 9 | W 13 | — | W 10 | — | — | — | — | N 5 | N 5 | W 12 | — | — |
| kJ | 20 | 20 | 106 | 478 | 326 | 153 | 102 | 90 | 196 | 1607 | — | 955 | — | — | — | — | 8 | 4 | 3 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | WSW 14 | SW 14 | SW 13 | N 4 | SW 13 | SW 13 | W 16 | — | — | — | — | — | — | — | — | W 13 | — | — | — |
| kJ | — | — | 19 | 7 | 7 | 2 | 7 | 6 | 251 | — | — | — | — | — | — | — | — | 3 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 13 | — | — | SW 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 7 | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | W 9 | W 9 | — | — | — | S 3 | — | — | — | W 12 | — | W 10 | W 10 | WNW 8 | WNW 8 | W 8 | W 6 | W 8 | W 8 | W 9 |
| kJ | 671 | 621 | 473 | — | — | — | 7 | — | — | — | 1225 | — | 587 | 593 | 427 | 295 | 208 | 109 | 501 | 555 | 493 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 140 | 221 | 135 | 7 | 7 | 0 | 7 | 43 | 7 | 27 | 44 | 140 | 529 | 221 | 221 | 246 | 221 | 402 | 7 | 44 | 237 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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