Surf Forecasts:
Mawgan Porth surf forecast from 8 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 10PM (local time) - 3ft (0.9m), 9s period, WSW swell with glassy winds.
- Most powerful swell: Thursday 13 Aug, 10AM (local time) - 3.5ft (1.1m), 11s period, W swell with 274 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 10PM (local time) - 3ft (0.9m), 9s period with WSW 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 12) at 10PM. The primary swell is predicted to be 0.9m and 9s period with a secondary swell of 0.1m and 13s. 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 1.1m 11s and forecast to arrive on Thursday (Aug 13) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Tuesday (Aug 11) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 12th Aug) | 3ft (0.9m) 9s |
| Best Surf | 10PM (Wed 12th Aug) | 3ft (0.9m) 9s |
| Most Powerful | 10AM (Thu 13th Aug) | 3.5ft (1.1m) 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’s cooking for Mawgan Porth.
It’s a tough start, I’m not gonna lie. For the first few days, we’re looking at tiny, weak waves, mostly around 0.7 ft to 1 ft with a combined energy barely getting out of the single digits. The wind is all over the place, but the swell just isn’t there. The 8th of August through the 11th are basically a write-off for getting a proper wave. You’d be scratching for anything.
The first real shift comes Thursday the 13th of August. Overnight, the swell picks up to 4 ft from the west, with a period of 11 seconds. The combined energy jumps to 275 (moderate), which is a lot more promising. The morning looks okay with a cross-shore wind, but it’s not clean perfection. The afternoon gets a bit choppier with a cross-onshore breeze. It’s surfable, but ordinary.
The real standout, and the one to circle on the calendar, is Tuesday the 18th of August. The swell is a solid 8 ft from the west-northwest. The combined energy rockets up to 784 in the morning and 987 in the afternoon (strong to very strong energy). This is big, powerful swell. The period is only 8 seconds, so it’s a shorter-period wind swell, but it’s packing a punch. The problem is the wind. It’s cross-onshore, making it choppy and lumpy. This is expert-only territory; if you’re not comfortable in heavy, messy, powerful surf, stay well clear. The conditions are marginal, but for the big-wave crew, there’ll be some raw power to wrestle with.
The last glimmer of hope comes on Thursday the 20th of August. The swell drops back to 2 ft, but we get a clean, glassy morning with offshore wind from the east. The combined energy is weak at 72, so it’s not a big day, but it’s the cleanest conditions we’ll see. A longboard or a funboard would be your best friend.
Overall, it’s a lean 16 days. The first week is a bust, the middle is messy and extreme, and the tail end offers a single clean window on tiny waves. Keep an eye on the forecast, because it’s not often this quiet for this long.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Sat afternoon, min 15°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Wed afternoon, min 18°C on Tue night). Mainly strong winds. | ||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||
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 | WNW 9 | WNW 9 | W 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 11 | W 10 | W 9 | WSW 9 | W 11 | W 10 | W 10 | W 9 | W 9 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 14 | 9 | 15 | 7 | 16 | 15 | 24 | 23 | 22 | 20 | 11 | 85 | 125 | 108 | 132 | 274 | 233 | 184 | 129 | 99 | 86 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross | cross-on | cross-on | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-on | cross |
High Tide | 1:31PM5.06m | 2:14AM5.08m | 2:54PM5.26m | 3:33AM5.35m | 4:05PM5.69m | 4:37AM5.77m | 5:03PM6.19m | 5:30AM6.18m | 5:52PM6.64m | 6:17AM6.50m | 6:37PM6.94m | 7:00AM6.68m | 7:19PM7.04m | ||||||||
Low Tide | 7:16AM1.78m | 8:03PM1.75m | 8:46AM1.70m | 9:29PM1.47m | 10:02AM1.35m | 10:38PM1.02m | 11:03AM0.90m | 11:34PM0.54m | 11:53AM0.48m | 00:21AM0.17m | 12:37PM0.18m | 1:04AM-0.04m | 1:19PM0.04m | 1:44AM-0.06m | |||||||
 | |  |  | | | | | | | | | | | | | | | | |  | |
 | 5:56 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — |
 | — | 8:52 | — | — | 8:51 | — | — | 8:50 | — | — | 8:47 | — | — | 8:45 | — | — | 8:44 | — | — | 8:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 22 | 19 | 19 | 19 | 18 | 20 | 20 | 22 | 24 | 24 | 21 | 24 | 25 | 22 | 20 | 19 | 19 | 17 | 16 | 18 |
Feels °C | 18 | 19 | 19 | 17 | 17 | 17 | 18 | 17 | 20 | 18 | 18 | 16 | 16 | 19 | 21 | 16 | 17 | 18 | 12 | 11 | 16 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | WNW 9 | WNW 8 | WNW 9 | WNW 9 | WNW 5 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 11 | W 10 | W 9 | WSW 9 | W 11 | W 10 | W 10 | W 9 | W 9 | W 8 |
| kJ | 14 | 6 | 15 | 7 | 16 | 15 | 9 | 23 | 22 | 20 | 11 | 85 | 125 | 108 | 132 | 274 | 233 | 184 | 129 | 99 | 86 |
Swell 2 Height (m) Direction Period (s) | NW 11 | WNW 9 | SW 7 | W 9 | SW 6 | WSW 6 | WNW 8 | WNW 5 | SW 7 | N 4 | W 9 | SW 6 | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 9 | 2 | 6 | 1 | 4 | 24 | 4 | 7 | 1 | 7 | 1 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 5 | WSW 7 | W 9 | SW 6 | SW 12 | — | SW 7 | SW 7 | — | W 10 | W 13 | SW 12 | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 5 | 2 | 2 | 6 | — | 7 | 7 | — | 8 | 3 | 6 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 3 | — | N 3 | N 4 | SE 3 | SE 3 | SE 3 | SE 3 | SSE 3 | — | NNW 2 | NW 3 | NW 4 | NW 5 | NW 4 | N 4 |
| kJ | — | — | — | — | — | 2 | — | 5 | 5 | 3 | 9 | 5 | 5 | 7 | — | 1 | 3 | 10 | 23 | 18 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 207 | 207 | 49 | 49 | 237 | 49 | 7 | 49 | 49 | 401 | 239 | 22 | 62 | 10 | 0 | 37 | 49 | 49 | 132 | 298 | 49 |
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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