Surf Forecasts:
Portreath Beach surf forecast from 23 Aug 2026:
- Best quality surf: Thursday 27 Aug, 10PM (local time) - 4.5ft (1.4m), 8s period, SW swell with cross-offshore winds.
- Most powerful swell: Saturday 29 Aug, 10AM (local time) - 8ft (2.5m), 8s period, WNW swell with 735 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 10PM (local time) - 1.5ft (0.4m), 10s period with WSW swell.
Best Forecast Surf Conditions for Portreath Beach this week:
The surf forecast for Portreath Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 10PM. The primary swell is predicted to be 0.4m and 10s period with a secondary swell of 0.4m and 4s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Portreath Beach in the next 16 days are 2.5m 8s and forecast to arrive on Saturday (Aug 29) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Sunday (Aug 30) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sun 23rd Aug) | 1.5ft (0.4m) 10s |
| Best Surf | 10PM (Thu 27th Aug) | 4.5ft (1.4m) 8s |
| Most Powerful | 10AM (Sat 29th Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Portreath Beach over the next 16 days.
The Lowdown
Alright, let’s have a look at what’s on offer for Portreath Beach over the next couple of weeks. I’ll be honest, it’s a tough one. The surf is tiny and weak for days on end, and when we finally get a bit of size, the wind is going to ruin it.
The first thing worth paddling out for is on Tuesday the 25th of August in the afternoon. We’re looking at a tiny 2ft swell from the WNW with a 10-second period, but the wind is a clean offshore from the ESE. The combined energy is a weak 80, so you’ll be working for every wave. The water temp is about 64°, which is pretty normal for this time of year.
The only real standout in the whole 16 days is a bit of a brute. On Saturday the 29th of August, the swell jumps to 8ft from the WNW. That’s a lot of ocean moving, with a combined energy of 735. The problem is a fresh cross-onshore wind from the W at 18 mph. This is going to be a lumpy, blown-out mess. For a beach break, this is kite-surfing weather, not paddle surfing. It’s only for the hardcore experts.
After that, the swell drops off a cliff. Sunday the 30th is back to 3ft, and then there’s a small spike to 6ft on Monday the 31st of August, but again the wind is onshore or cross-onshore. The rest of the run into early September is just small, weak, and choppy. On the 6th of September, the swell is 4ft with a clean cross-offshore wind from the SSE, but the period is a short 7 seconds and the energy is 298, so it won’t have any real power.
So, to sum it up: the cleanest windows are the tiny 2ft on the 25th of August and maybe the morning of the 6th of September, but don’t expect much. The bigger swell will be a windy mess. It’s a bleak stretch for Portreath.
Rusty.
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 21°C on Tue morning, min 15°C on Sun night). Winds increasing (light winds from the ENE on Sun morning, strong winds from the E by Mon morning). | Days 4-6 Weather SummaryHeavy rain (total 20mm), heaviest during Wed night. Warm (max 21°C on Wed morning, min 15°C on Thu night). Winds increasing (light winds from the SW on Thu night, fresh winds from the W by Fri afternoon). | ||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||
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) | N 5 | WSW 12 | SW 14 | WSW 9 | SW 13 | WNW 11 | WNW 10 | WNW 10 | W 9 | W 8 | W 8 | W 8 | W 8 | W 10 | SW 8 | W 9 | W 8 | W 6 | WNW 8 | WNW 8 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 16 | 54 | 38 | 8 | 28 | 24 | 58 | 75 | 59 | 49 | 31 | 18 | 20 | 51 | 188 | 42 | 136 | 206 | 735 | 663 | 376 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:47PM4.35m | 3:25AM4.40m | 3:52PM4.70m | 4:18AM4.77m | 4:39PM5.13m | 4:59AM5.18m | 5:16PM5.57m | 5:34AM5.56m | 5:50PM5.96m | 6:07AM5.90m | 6:22PM6.27m | 6:39AM6.16m | 6:54PM6.48m | ||||||||
Low Tide | 9:20PM2.18m | 9:47AM2.05m | 10:19PM1.81m | 10:37AM1.64m | 11:02PM1.39m | 11:16AM1.23m | 11:39PM0.98m | 11:50AM0.85m | 00:12AM0.64m | 12:23PM0.55m | 00:44AM0.38m | 12:55PM0.34m | 1:15AM0.22m | ||||||||
 | |  |  | | | |  |  | |  |  |  | |  | |  | | | | | |
 | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — |
 | — | 8:24 | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:13 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | 13 | 1 | 3 | 1 | 1 | 1 | — | — | — | — |
Temp °C | 19 | 20 | 17 | 20 | 20 | 18 | 21 | 20 | 17 | 21 | 21 | 18 | 19 | 18 | 16 | 19 | 19 | 17 | 17 | 18 | 17 |
Feels °C | 16 | 17 | 15 | 13 | 13 | 13 | 16 | 17 | 16 | 17 | 18 | 15 | 16 | 15 | 15 | 15 | 15 | 13 | 13 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | N 5 | N 4 | WSW 10 | N 4 | SW 13 | SE 7 | WNW 10 | WNW 10 | W 9 | W 8 | W 8 | SSW 6 | W 8 | SSW 9 | SW 8 | SSW 7 | SSW 7 | SSW 7 | — | — | S 11 |
| kJ | 16 | 6 | 38 | 3 | 28 | 25 | 58 | 75 | 59 | 49 | 31 | 121 | 20 | 407 | 188 | 66 | 62 | 79 | — | — | 2 |
Swell 2 Height (m) Direction Period (s) | SW 14 | WSW 12 | SE 6 | SSW 14 | W 9 | WNW 11 | NNE 5 | SSW 8 | SW 8 | SW 7 | SSW 7 | W 8 | WNW 10 | W 10 | WNW 10 | W 7 | SW 11 | S 11 | — | — | — |
| kJ | 51 | 54 | 8 | 19 | 6 | 24 | 7 | 28 | 32 | 14 | 10 | 18 | 11 | 51 | 80 | 38 | 5 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 9 | SW 14 | SW 14 | WSW 9 | SW 9 | SSW 13 | SW 8 | NNE 5 | NNE 5 | N 5 | N 6 | SW 12 | — | SW 10 | S 12 | W 9 | — | — | — | — | — |
| kJ | 14 | 49 | 32 | 8 | 3 | 17 | 11 | 5 | 2 | 2 | 3 | 6 | — | 38 | 3 | 42 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | ESE 5 | N 4 | ESE 7 | ESE 7 | NE 3 | ESE 7 | SE 4 | S 4 | SW 4 | S 4 | ESE 3 | SSW 8 | — | — | — | W 8 | W 6 | WNW 8 | WNW 8 | W 7 |
| kJ | 5 | 27 | 6 | 85 | 94 | 3 | 37 | 12 | 6 | 15 | 16 | 2 | 402 | — | — | — | 136 | 206 | 735 | 663 | 376 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 1 | 0 | 383 | 219 | 192 | 14 | 0 | 0 | 4 | 86 | 7 | 46 | 13 | 8 | 108 | 246 | 564 | 586 | 211 | 195 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Portreath Beach Surf forecast
The above surf forecast table for Portreath Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Portreath Beach can be found by selecting the local surf guide option on the grey menu. Our Portreath Beach 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 (Portreath Beach) 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 Portreath Beach 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.
Portreath Beach is 5 km (3 miles) from Camborne. If you plan a holiday in North Cornwall, look for hotels and other accommodation in Camborne. Camborne has rooms for a wide range of budgets as well as car hire and transport links.
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