Surf Forecasts:
Perranporth surf forecast from 16 Aug 2026:
- Most powerful swell: Thursday 20 Aug, 1AM (local time) - 8ft (2.5m), 8s period, W swell with 857 kJ wave energy.
Best Forecast Surf Conditions for Perranporth this week:
The most powerful waves expected at Perranporth in the next 16 days are 2.5m 8s and forecast to arrive on Thursday (Aug 20) at 1AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Sunday (Aug 23) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Thu 20th Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Perranporth over the next 16 days.
The Lowdown
Alright, let’s break down Perranporth in feet and miles per hour. The next week and a half is a bit of a write-off, to be honest. The water’s about 66°F, which is a touch warmer than normal for this time of year, but that’s about the only good thing. The wind is mostly onshore, and the waves are just a messy, choppy mess.
We’ve got a run of poor surf from Sunday the 16th all the way through the end of the week. There’s some size in the middle of the week, with the combined energy hitting moderate levels, but the wind is ruining it – 25 to 35 km/h onshore, making it lumpy and ugly. That 8ft swell on Thursday 20th will be a proper mess, only for the experts if they’re really keen.
You get a clean spell on the 25th and 26th of August with some offshore winds, but the swell is tiny – less than a foot of slop. Not worth it.
The only real standout comes on the morning of Monday the 31st of August. That’s your best bet. You’ve got a 7ft groundswell from the west, with a clean 8-second period, and the combined energy is strong. The wind is light and offshore, so it’s going to be glassy. This is the one to save your energy for. The crowds at Perranporth can be a thing sometimes, so get down early.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Sun night, min 16°C on Mon night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Wed night. Very mild (max 18°C on Wed morning, min 15°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu morning, light winds from the N by Fri night). | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
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 7 | W 7 | W 7 | WNW 6 | WNW 8 | W 7 | WNW 6 | W 6 | WNW 6 | WNW 7 | W 7 | W 8 | WNW 8 | WNW 9 | W 9 | W 7 | NW 5 | W 8 | N 6 | N 5 | N 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 17 | 16 | 8 | 50 | 99 | 79 | 115 | 85 | 155 | 285 | 439 | 857 | 691 | 647 | 297 | 124 | 62 | 65 | 101 | 71 | 69 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | on | cross-on | on | on | on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross |
High Tide | 8:31PM6.49m | 8:51AM6.09m | 9:09PM6.08m | 9:28AM5.72m | 9:48PM5.59m | 10:08AM5.28m | 10:29PM5.07m | 10:52AM4.83m | 11:20PM4.59m | 11:51AM4.44m | 00:32AM4.24m | 1:16PM4.23m | 2:06AM4.17m | ||||||||
Low Tide | 2:31PM0.25m | 2:54AM0.38m | 3:07PM0.57m | 3:29AM0.78m | 3:44PM0.99m | 4:05AM1.23m | 4:23PM1.44m | 4:45AM1.69m | 5:10PM1.88m | 5:37AM2.10m | 6:16PM2.23m | 6:55AM2.37m | 7:50PM2.36m | ||||||||
 |  |  | | | | | | | |  |  |  | |  | | | | | | | |
 | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — |
 | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — | — | 8:30 | — | — | 8:29 | — | — | 8:27 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 18 | 18 | 18 | 15 | 15 | 15 | 16 | 16 | 16 |
Feels °C | 14 | 15 | 19 | 18 | 18 | 18 | 17 | 16 | 15 | 12 | 10 | 11 | 11 | 12 | 14 | 10 | 10 | 11 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | W 7 | W 7 | W 7 | WNW 6 | WNW 8 | W 16 | W 8 | SW 17 | SW 17 | WNW 9 | SW 16 | WSW 15 | SW 14 | WSW 14 | W 9 | W 7 | W 8 | W 8 | W 8 | W 8 | W 9 |
| kJ | 17 | 16 | 8 | 50 | 99 | 5 | 4 | 11 | 12 | 8 | 10 | 23 | 8 | 20 | 297 | 124 | 31 | 65 | 33 | 11 | 28 |
Swell 2 Height (m) Direction Period (s) | WSW 8 | W 18 | — | WNW 9 | SW 18 | — | SW 17 | — | — | SW 16 | — | — | — | — | SW 14 | SW 13 | SW 13 | SW 13 | W 11 | W 10 | WSW 15 |
| kJ | 6 | 7 | — | 26 | 12 | — | 11 | — | — | 10 | — | — | — | — | 7 | 7 | 7 | 7 | 21 | 18 | 21 |
Swell 3 Height (m) Direction Period (s) | — | — | W 18 | W 18 | — | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 16 | W 12 | WSW 15 | WSW 15 | — |
| kJ | — | — | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | 10 | 10 | 3 | 21 | 21 | — |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | WNW 4 | — | — | W 7 | WNW 6 | W 6 | WNW 6 | WNW 7 | W 7 | W 8 | WNW 8 | WNW 9 | N 5 | NNW 6 | NW 5 | N 4 | N 6 | N 5 | N 5 |
| kJ | 9 | 2 | 4 | — | — | 79 | 115 | 85 | 155 | 285 | 439 | 857 | 691 | 647 | 25 | 40 | 62 | 13 | 101 | 71 | 69 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 244 | 403 | 243 | 282 | 417 | 213 | 150 | 899 | 425 | 224 | 620 | 321 | 508 | 553 | 33 | 33 | 408 | 33 | 226 | 242 | 226 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Perranporth Surf forecast
The above surf forecast table for Perranporth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Perranporth can be found by selecting the local surf guide option on the grey menu. Our Perranporth 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 (Perranporth) 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 Perranporth 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.
Perranporth is 9 km (6 miles) from Newquay. If you plan a holiday in North Cornwall, look for hotels and other accommodation in Newquay. Newquay has rooms for a wide range of budgets as well as car hire and transport links.
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