Surf Forecasts:
Mawgan Porth surf forecast from 1 Sep 2026:
- Best quality surf: Saturday 5 Sep, 7AM (local time) - 4ft (1.2m), 9s period, W swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 4PM (local time) - 5.5ft (1.7m), 11s period, W swell with 669 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 7AM (local time) - 4ft (1.2m), 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 Saturday (Sep 05) at 7AM. The primary swell is predicted to be 1.2m and 9s period with a secondary swell of 0.1m and 14s. 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 1.7m 11s and forecast to arrive on Monday (Sep 07) at 4PM. Winds are predicted to be 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+) | 7AM (Sat 5th Sep) | 4ft (1.2m) 9s |
| Best Surf | 7AM (Sat 5th Sep) | 4ft (1.2m) 9s |
| Most Powerful | 4PM (Mon 7th Sep) | 5.5ft (1.7m) 11s |
Table - best surf conditions forecast for Mawgan Porth over the next 16 days.
The Lowdown
Alright, let’s have a look at what’s cookin’ for Mawgan Porth. I’m not gonna lie to you, this is a tough one. The whole 16-day window is pretty much a write-off for any decent surf. We’ve got a long stretch of poor conditions with onshore winds and lumpy, choppy, or just messy waves. The water’s a touch warmer than normal for this time of year, sitting at 65°F, but that’s about the only upside.
The first real possibility doesn’t come until the 5th of September. On Saturday morning, we get a bit of a break with a light southeast wind going cross-off, which cleans things up. The swell is a weak 4ft from the west with a 9-second period, and the combined energy is only 201 – that’s weak. It’s surfable, but it’s very ordinary. The afternoon is even smaller, with a 3ft west swell, glassy conditions, and energy down to 177. It’s clean, but tiny. You’d be on a longboard if anything.
After that, it’s back to square one. Sunday the 6th drops to 2ft and 2ft swells with energy in the 60s and 40s – basically nothing. Then we go through a whole week of poor, onshore wind and messy conditions, with a couple of days where the swell pushes up to 7ft to 7ft, but the wind is howling from the west or northwest, making it a complete mess. Those bigger swells are too big for beginners and just plain ugly. The combined energy gets up to 730-804, but it’s all blown out.
The last few days, from the 12th to the 15th, are a total bust. Swells drop to 1.0ft, 0.7ft, even 0.3ft, and the energy is in the single digits. The wind is clean at times, but there’s nothing to ride. Mawgan Porth is a river break that’s fairly consistent, but it’s having a shocking run. For a break that’s beginner-friendly and exposed to the west, it’s just a case of bad timing with the wind. Hang tight, this will pass.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 16°C on Mon night). Winds increasing (light winds from the WSW on Mon night, fresh winds from the SW by Wed morning). | Days 4-6 Weather SummarySome drizzle, heaviest during Thu night. Very mild (max 19°C on Thu night, min 15°C on Fri night). Winds decreasing (fresh winds from the SW on Thu night, calm by Sat morning). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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 9 | W 9 | W 8 | W 6 | WSW 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 9 | WNW 9 | W 10 | W 10 | W 10 | W 9 | W 8 | W 8 | W 12 | W 11 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 188 | 148 | 104 | 81 | 337 | 258 | 253 | 253 | 441 | 382 | 340 | 333 | 220 | 183 | 115 | 57 | 35 | 50 | 464 | 669 | 426 |
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 | on | cross-on | cross-on | glassy | cross-on | cross-off | cross-off | cross-off | cross-off | on | on | on |
High Tide | 8:25AM6.45m | 8:43PM6.48m | 9:03AM6.22m | 9:24PM6.14m | 9:46AM5.87m | 10:12PM5.68m | 10:38AM5.44m | 11:12PM5.19m | 11:48AM5.04m | 00:35AM4.84m | 1:21PM4.91m | 2:12AM4.87m | 2:52PM5.18m | 3:32AM5.24m | |||||||
Low Tide | 2:37PM0.44m | 2:58AM0.56m | 3:15PM0.71m | 3:38AM0.92m | 4:00PM1.10m | 4:27AM1.36m | 4:58PM1.53m | 5:33AM1.79m | 6:21PM1.87m | 7:09AM2.02m | 8:06PM1.87m | 8:47AM1.83m | 9:32PM1.48m | ||||||||
 |  |  | | |  | | |  |  | |  | | | | | | | | | | |
 | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — |
 | — | 8:06 | — | — | 8:02 | — | — | 8:00 | — | — | 7:59 | — | — | 7:57 | — | — | 7:54 | — | — | 7:52 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 17 | 19 | 20 | 18 | 20 | 20 | 19 | 17 | 16 | 16 | 16 | 16 | 15 | 18 | 19 | 18 | 19 | 19 | 16 |
Feels °C | 15 | 15 | 16 | 15 | 16 | 15 | 18 | 18 | 15 | 14 | 12 | 13 | 15 | 14 | 14 | 12 | 14 | 14 | 19 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 8 | W 6 | WSW 16 | SW 15 | WSW 15 | WSW 15 | WSW 15 | W 8 | WSW 14 | WNW 9 | W 10 | W 10 | W 10 | W 9 | W 8 | W 8 | W 12 | W 11 | W 10 |
| kJ | 188 | 148 | 104 | 81 | 24 | 8 | 21 | 23 | 23 | 382 | 20 | 333 | 220 | 183 | 115 | 57 | 35 | 50 | 464 | 669 | 426 |
Swell 2 Height (m) Direction Period (s) | N 5 | — | SW 16 | SW 16 | — | — | — | — | — | WSW 14 | — | WSW 14 | N 4 | N 4 | N 5 | SW 13 | SW 13 | W 15 | SW 12 | — | S 6 |
| kJ | 2 | — | 10 | 10 | — | — | — | — | — | 20 | — | 19 | 1 | 1 | 2 | 7 | 6 | 17 | 5 | — | 1 |
Swell 3 Height (m) Direction Period (s) | W 18 | SW 17 | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 13 | SW 13 | — | — | SW 12 | — | — | — |
| kJ | 6 | 12 | — | — | — | — | — | — | — | — | — | — | 7 | 7 | 7 | — | — | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 3 | WSW 7 | W 8 | W 8 | W 8 | W 8 | — | W 9 | — | — | — | — | SE 3 | SSE 3 | S 3 | NW 3 | — | — |
| kJ | — | — | — | 7 | 337 | 258 | 253 | 253 | 441 | — | 340 | — | — | — | — | 6 | 6 | 1 | 7 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 7 | 2 | 402 | 221 | 221 | 8 | 221 | 258 | 237 | 237 | 49 | 0 | 7 | 0 | 56 | 92 | 0 | 7 | 7 | 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.
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