
Surf Forecasts:
Portreath Beach surf forecast from 16 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 10PM (local time) - 5ft (1.6m), 16s period, WNW swell with cross-offshore winds.
- Most powerful swell: Friday 18 Sep, 4AM (local time) - 7ft (2.2m), 13s period, WNW swell with 1,556 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 10AM (local time) - 5ft (1.5m), 11s period with W 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 (Sep 20) at 10AM. The primary swell is predicted to be 1.5m and 11s 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 Portreath Beach in the next 16 days are 2.2m 13s and forecast to arrive on Friday (Sep 18) at 4AM. 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 4s period and expected on Wednesday (Sep 23) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sun 20th Sep) | 5ft (1.5m) 11s |
| Best Surf | 10PM (Tue 22nd Sep) | 5ft (1.6m) 16s |
| Most Powerful | 4AM (Fri 18th Sep) | 7ft (2.2m) 13s |
Table - best surf conditions forecast for Portreath Beach over the next 16 days.
The Lowdown
Alright folks, let’s get into it. The surf is going to be pretty ordinary for the next few days. We’ve got a run of poor conditions to kick things off with.
For the rest of today, Wednesday the 16th, the surf is up around 2.0m but the wind is howling onshore and it’s going to be messy. The wave energy is moderate at 967, but the quality is just not there. We’ll trade that for a couple of days of similar, poor surf. Thursday the 17th sees bigger winds as well, pushing 30 km/h, and the swell drops slightly to around 2.1m. Still a messy, poor looking product. The weekend starts with the same story, bigger swells on Saturday, 2.2m, but with cross-shore and cross-onshore winds it’ll be a battle. It’s not until Sunday the 20th that we finally catch a break.
Sunday morning is the first real highlight. Overnight the wind goes glassy and calm, with that 1.5m W groundswell wrapping in. That’s a decent wave, and with no wind it’s going to be clean and fun. The energy is moderate at 522. This is your first good window.
Monday the 21st looks like a clean, smaller option in the morning. A drop to 1.0m with that light offshore—that’s a glassy, clean look for the longboards or a fun fish. That’s a decent one.
Then the standout period begins. Tuesday the 22nd is where we start to see it all come together. In the afternoon the swell eases to 1.0m but the wind swings offshore, and the period jumps to 17 seconds. That’s a proper, long-period groundswell. The energy jumps to 905, and the conditions are forecast to be very good. This is shaping up to be a special window.
Wednesday the 23rd is a step up. It’s bigger again, 1.6m in the morning, but it’s the wind conditions that get the heart racing. That’s a fresh, clean offshore wind at 30 km/h. The wave energy is also strong at 1016. It’ll be a bit more powerful, but that offshore breeze will hold it up nicely. That looks like a highlight too.
After that, we pay for it. From the 24th, things get small and we are looking at at least a few days of weak surf with mainly poor conditions. By the 26th, the swell is down to a tiny 0.3m, so we are in a flat spell.
The end of the forecast window brings back swell. On the 30th of September, look for the swell to rebuild to 2.1m in the morning. The wind is cross-offshore from the east and it’s clean. The energy is strong at 702. But the period is a little short at 9 seconds. The standout is the afternoon as the wind eases to 15 km/h and the waves clean up. That is a good day on the way. The last call, on the 1st of October, also looks promising with clean, offshore winds and a decent 1.7m SW swell.
There is hope in the forecast, but you have to work through the mush to get to it.
Signing off,
Rusty
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Very mild (max 16°C on Tue night, min 14°C on Wed morning). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sun afternoon, min 16°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 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 11 | WNW 11 | W 10 | W 8 | WNW 9 | WNW 11 | WNW 13 | W 12 | W 8 | W 8 | W 11 | W 10 | W 11 | WNW 11 | W 11 | W 12 | WNW 12 | WNW 10 | WNW 12 | W 17 | WNW 15 |
Wave Graph | |||||||||||||||||||||
934 | 778 | 586 | 523 | 631 | 1189 | 1279 | 1074 | 541 | 503 | 1069 | 783 | 514 | 415 | 358 | 284 | 220 | 115 | 228 | 603 | 1049 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | on | on | on | cross-on | cross | cross | cross | cross-on | cross-on | glassy | cross-on | on | glassy | cross-on | cross-off | off | cross-off | cross-off |
High Tide | 8:49AM5.79m | 9:08PM5.53m | 9:25AM5.34m | 9:45PM5.02m | 10:05AM4.86m | 10:31PM4.52m | 11:00AM4.42m | 11:41PM4.13m | 12:28PM4.15m | 1:29AM4.03m | 2:15PM4.26m | 2:57AM4.30m | 3:22PM4.66m | 3:49AM4.74m | |||||||
Low Tide | 3:03PM0.97m | 3:19AM1.26m | 3:39PM1.43m | 3:56AM1.72m | 4:23PM1.89m | 4:45AM2.16m | 5:28PM2.29m | 6:06AM2.47m | 7:12PM2.45m | 7:56AM2.45m | 8:48PM2.23m | 9:14AM2.11m | 9:48PM1.81m | ||||||||
6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | |
— | 7:34 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 18 | 18 | 18 | 17 | 18 | 19 | 17 | 19 | 19 | 18 | 20 | 21 | 19 |
Feels °C | 12 | 11 | 12 | 11 | 10 | 12 | 12 | 11 | 15 | 15 | 16 | 16 | 19 | 18 | 18 | 20 | 20 | 19 | 18 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | W 11 | WNW 11 | N 5 | — | S 13 | S 13 | WNW 13 | S 17 | WNW 12 | WNW 11 | SW 15 | W 10 | W 11 | WNW 11 | W 11 | W 12 | WNW 12 | WNW 10 | WNW 12 | W 11 | WNW 15 |
934 | 778 | 8 | — | 3 | 3 | 1279 | 6 | 115 | 138 | 9 | 783 | 514 | 415 | 358 | 284 | 220 | 115 | 228 | 302 | 1049 | |
Swell 2 Height (m) Direction Period (s) | S 11 | N 5 | S 13 | — | — | — | SW 12 | S 15 | SW 16 | SW 16 | S 11 | SW 14 | SW 14 | SW 14 | N 4 | SW 13 | SW 13 | SW 13 | WNW 19 | W 17 | W 10 |
2 | 19 | 4 | — | — | — | 6 | 4 | 10 | 10 | 2 | 8 | 8 | 8 | 1 | 7 | 7 | 7 | 125 | 603 | 264 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 18 | S 18 | S 12 | S 12 | — | — | — | — | SW 13 | — | — | — | SW 12 | S 12 | — |
— | — | — | — | — | — | 6 | 6 | 3 | 3 | — | — | — | — | 7 | — | — | — | 6 | 3 | — | |
Wind waves Height (m) Direction Period (s) | N 5 | — | W 10 | W 8 | WNW 9 | WNW 11 | — | W 12 | W 8 | W 8 | W 11 | — | — | — | — | — | — | — | ESE 3 | — | — |
33 | — | 586 | 523 | 631 | 1189 | — | 1074 | 541 | 503 | 1069 | — | — | — | — | — | — | — | 1 | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 19 | 211 | 211 | 285 | 211 | 162 | 226 | 209 | 209 | 226 | 209 | 13 | 0 | 13 | 19 | 0 | 7 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
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.










