Surf Forecasts:
Mawgan Porth surf forecast from 25 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 1AM (local time) - 2ft (0.6m), 9s period, W swell with cross-offshore winds.
- Most powerful swell: Tuesday 1 Sep, 7PM (local time) - 8ft (2.5m), 9s period, W swell with 1,113 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 1AM (local time) - 2ft (0.6m), 9s 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 Wednesday (Aug 26) at 1AM. The primary swell is predicted to be 0.6m and 9s period with a secondary swell of 0.4m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Mawgan Porth in the next 16 days are 2.5m 9s and forecast to arrive on Tuesday (Sep 01) at 7PM. 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 Friday (Aug 28) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Wed 26th Aug) | 2ft (0.6m) 9s |
| Best Surf | 1AM (Wed 26th Aug) | 2ft (0.6m) 9s |
| Most Powerful | 7PM (Tue 1st Sep) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Mawgan Porth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you – this is a tough 16-day stretch for Mawgan Porth. The forecast is pretty grim, with no real standout sessions where everything comes together. The whole period is littered with poor conditions, so we’re looking at a long, blank run.
The first surf we see, on Tuesday morning, August 25th, is a small 2ft swell from the west with a 10-second period, and the combined energy is weak (71). The wind is a gentle offshore from the east, keeping things clean. The water temp is 65°, which is a touch warmer than average for this time of year. It’s surfable, but it’s very ordinary. After that, it’s a wasteland for days.
The wind turns on us, and by Tuesday afternoon the rain and poor surf conditions kick in. We see a few days with small, weak swell, but the wind is never right – it’s cross, cross-on, or onshore, and often lumpy or choppy. Thursday morning, August 27th, has a fresh 19 mph cross-on wind that just ruins the 1ft to 3ft waves. The energy is weak (33 to 131). It’s not worth paddling out.
The swell tries to build a bit over the weekend. Friday, August 28th, sees 5ft west swell, but the wind is onshore and messy. The energy is moderate (254 to 260), but don’t get excited – it’s a poor surf condition. By Saturday, August 29th, the swell jumps to 8ft from the WSW, with strong energy (744 to 867), but it’s blown out with a fresh onshore wind. That’s getting too big for beginners and the wind is just too strong for clean waves.
The second week doesn’t get any better. Sunday, August 30th, through to the end of the period, we see a lot of swell, some of it quite big – up to 10ft on September 5th and 6th, with very strong energy (1677 to 2195) – but the wind is a constant problem. The combo of strong onshore or cross-onshore winds and lumpy, messy conditions means the surf is blown out or just plain ugly. A 9-second period on the 2 of September, with a 7ft onshore swell, is just a washing machine.
The long period swell arriving on September 7th to 9th, with a 12-second groundswell, might offer some shape, but it’s trapped under onshore winds. By September 9th, we get a 6ft west swell with a 12-second period, and the wind lightens to a gentle cross-on from the northwest. The energy is still strong (760), but it’s a long-period swell, which can break a bit straight on a beach break like Mawgan Porth. The light cross-on wind is an improvement, but we’re still looking at “fairly choppy” conditions. It’s the least bad day of a rough run.
Honestly, for a beginner or anyone looking for a paddle, there’s almost nothing to recommend here. If you’re a kite surfer, those big, windy days from August 29th through the first week of September look far more interesting than anything on a surfboard. The consistent poor conditions, especially the strong winds, mean you’re better off waiting for the next pattern change. Forecasts can change, but right now, it’s a hard pass.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Wed night. Warm (max 21°C on Tue morning, min 16°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Fri night. Very mild (max 19°C on Sun morning, min 16°C on Sat night). Winds increasing (light winds from the SW on Sat night, strong winds from the W by Sun night). | ||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||||
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 9 | W 8 | W 8 | W 8 | W 8 | SW 7 | SW 8 | W 7 | W 7 | W 7 | WSW 8 | WSW 8 | W 9 | W 9 | WSW 8 | W 8 | W 8 | W 9 | W 10 |
Wave Graph | |||||||||||||||||||||
52 | 70 | 59 | 50 | 31 | 28 | 19 | 89 | 346 | 254 | 260 | 302 | 744 | 867 | 635 | 348 | 284 | 526 | 637 | 493 | 464 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross | cross-off | off | cross-on | cross-on | cross-off | cross-off | on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on |
High Tide | 4:44PM5.27m | 5:04AM5.32m | 5:21PM5.72m | 5:40AM5.72m | 5:55PM6.12m | 6:12AM6.07m | 6:27PM6.44m | 6:44AM6.33m | 7:00PM6.66m | 7:17AM6.50m | 7:32PM6.75m | 7:50AM6.54m | 8:07PM6.69m | ||||||||
Low Tide | 10:41AM1.71m | 11:07PM1.44m | 11:20AM1.28m | 11:43PM1.03m | 11:54AM0.90m | 00:16AM0.67m | 12:27PM0.58m | 00:48AM0.40m | 12:59PM0.37m | 1:19AM0.25m | 1:30PM0.26m | 1:50AM0.22m | 2:03PM0.29m | 2:23AM0.32m | |||||||
6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | |
— | 8:20 | — | — | 8:17 | — | — | 8:15 | — | — | 8:14 | — | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — | |
mm | — | 2 | — | — | — | 7 | — | — | — | — | — | 6 | — | — | — | 2 | — | 2 | 2 | 1 | — |
Temp °C | 21 | 20 | 17 | 21 | 21 | 18 | 20 | 20 | 16 | 17 | 18 | 17 | 18 | 18 | 17 | 19 | 17 | 17 | 17 | 17 | 17 |
Feels °C | 19 | 18 | 16 | 20 | 19 | 17 | 15 | 15 | 14 | 15 | 15 | 13 | 13 | 13 | 14 | 14 | 10 | 10 | 11 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 9 | W 8 | W 8 | W 8 | W 8 | WNW 10 | SW 8 | — | — | W 7 | — | — | — | W 9 | — | — | — | W 9 | W 10 |
52 | 70 | 59 | 50 | 31 | 28 | 19 | 31 | 346 | — | — | 302 | — | — | — | 348 | — | — | — | 493 | 464 | |
Swell 2 Height (m) Direction Period (s) | NNE 5 | SW 8 | SW 8 | SSW 8 | N 4 | SW 7 | NNE 3 | SW 8 | WNW 9 | — | — | SW 11 | — | — | — | N 5 | — | — | — | N 5 | N 4 |
8 | 18 | 17 | 6 | 1 | 2 | 1 | 11 | 17 | — | — | 5 | — | — | — | 4 | — | — | — | 19 | 2 | |
Swell 3 Height (m) Direction Period (s) | SW 8 | NNE 5 | SW 13 | N 4 | SW 12 | SW 12 | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 |
11 | 4 | 7 | 2 | 6 | 6 | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 7 | — | SSW 2 | SW 7 | S 3 | W 7 | W 7 | — | WSW 8 | WSW 8 | W 9 | — | WSW 8 | W 8 | W 8 | — | — |
— | — | — | — | 5 | — | 2 | 89 | 8 | 254 | 260 | — | 744 | 867 | 635 | — | 284 | 526 | 637 | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 1 | 0 | 16 | 7 | 49 | 221 | 205 | 2 | 14 | 110 | 388 | 213 | 131 | 7 | 402 | 537 | 563 | 246 | 213 | 7 |
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.










