Surf Forecasts:
St Agnes surf forecast from 1 Sep 2026:
- Best quality surf: Saturday 5 Sep, 7AM (local time) - 4ft (1.2m), 10s period, W swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 1PM (local time) - 5.5ft (1.7m), 11s period, W swell with 682 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 10AM (local time) - 3.5ft (1.1m), 9s period with W swell.
Best Forecast Surf Conditions for St Agnes this week:
The surf forecast for St Agnes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 01) at 10AM. The primary swell is predicted to be 1.1m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at St Agnes in the next 16 days are 1.7m 11s and forecast to arrive on Monday (Sep 07) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Sep 06) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Tue 1st Sep) | 3.5ft (1.1m) 9s |
| Best Surf | 7AM (Sat 5th Sep) | 4ft (1.2m) 10s |
| Most Powerful | 1PM (Mon 7th Sep) | 5.5ft (1.7m) 11s |
Table - best surf conditions forecast for St Agnes over the next 16 days.
The Lowdown
Right then, let’s have a look at what St Agnes has on offer for the next couple of weeks.
We’re looking at a pretty quiet start. The first few days are a write-off, with messy, unorganised waves and bumpy conditions. It’s not until Saturday the 5th that we see anything worth getting out of bed for, and even then it’s a one-session window. The morning brings in a bit of a W swell at 4 ft with a 10-second period from a W direction – that’s got a bit of shape to it. What makes it a standout is that glassy, clean wind from the ENE. It’s only light, so it’s going to be smooth as silk out there. The combined energy is moderate (297). It’s not huge, but for a intermediate-level wave, it’ll be fun. Water temps are about average for the time of year. Crowds are possible here – it can get busy, so get in early.
After that morning session, the weekend falls away again with dropping swell and onshore wind, so don’t expect much else. The next real highlight doesn’t pop up until Tuesday the 8th afternoon, but it’s a big one for the more experienced crew. That afternoon sees a solid 8 ft W swell with a 9-second period and a cross-off wind from the SW. The combined energy is strong (1083). This is pushing into expert territory. For an intermediate, that’s going to be a handful, but for those who know what they’re doing, there’s some proper power in the water. The wind is clean, but the size means it’s not for the faint-hearted.
There’s a bit of a lull again with some poor conditions on the 9th and 10th, but then Friday the 11th looks like another expert-only window. The morning picks up 7 ft from the W with a 9-second period, and the wind is straight onshore from the NW – not ideal at all. The afternoon gets bigger at 8 ft from the W, with a 10-second period, but still onshore wind from the NNW. The energy is very strong (743 to 1281), but that onshore wind is going to make it a messy, powerful beast. Only for those who really want a challenge.
The second week fades out. There’s a brief blip on Monday the 14th afternoon, with a clean 4 ft W swell at a long 12-second period. That’s a groundswell, which means better shape, but at a beach break like this, it can close out a bit. The wind is offshore from the E, which is clean, but the combined energy is moderate (488). It’s a decent option, but nothing to rave about.
Overall, the standout for a clean, fun wave for intermediate surfers is the Saturday morning (5th). For the big-wave crew, the Tuesday afternoon (8th) is the one to circle, but you’ll need your wits about you. The second week is pretty weak.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Wed afternoon, min 16°C on Mon night). Winds increasing (light winds from the SW 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 | WSW 6 | WSW 7 | WSW 8 | WSW 7 | WSW 7 | WSW 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 | |||||||||||||||||||||
189 | 146 | 103 | 136 | 390 | 276 | 259 | 292 | 461 | 381 | 351 | 355 | 279 | 204 | 120 | 59 | 35 | 51 | 538 | 670 | 484 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off | cross-on | cross-on | on | glassy | cross-on | cross-off | cross-off | cross-off | off | cross-on | cross-on | cross |
High Tide | 8:19AM6.28m | 8:38PM6.31m | 8:58AM6.06m | 9:19PM5.97m | 9:41AM5.71m | 10:06PM5.53m | 10:33AM5.29m | 11:07PM5.05m | 11:43AM4.91m | 00:30AM4.71m | 1:16PM4.78m | 2:07AM4.73m | 2:47PM5.05m | 3:27AM5.10m | |||||||
Low Tide | 2:34PM0.42m | 2:55AM0.54m | 3:12PM0.69m | 3:35AM0.89m | 3:57PM1.06m | 4:24AM1.31m | 4:55PM1.48m | 5:30AM1.73m | 6:18PM1.81m | 7:05AM1.94m | 8:02PM1.80m | 8:43AM1.76m | 9:28PM1.42m | ||||||||
6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | |
— | 8:06 | — | — | 8:04 | — | — | 8:01 | — | — | 8:00 | — | — | 7:58 | — | — | 7:54 | — | — | 7:52 | — | |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 17 | 19 | 20 | 18 | 20 | 20 | 19 | 17 | 16 | 16 | 17 | 17 | 15 | 18 | 19 | 18 | 20 | 19 | 16 |
Feels °C | 15 | 15 | 16 | 15 | 16 | 16 | 18 | 18 | 16 | 14 | 12 | 14 | 16 | 16 | 14 | 13 | 14 | 15 | 18 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | W 9 | SW 17 | W 8 | SSW 16 | SW 15 | SSW 15 | SW 15 | SW 15 | SSW 15 | W 8 | W 9 | WNW 9 | W 10 | W 10 | W 10 | W 9 | W 8 | W 8 | W 12 | W 11 | W 10 |
189 | 12 | 103 | 25 | 37 | 21 | 36 | 60 | 47 | 381 | 351 | 355 | 279 | 204 | 120 | 59 | 35 | 51 | 538 | 670 | 484 | |
Swell 2 Height (m) Direction Period (s) | N 5 | — | SW 16 | S 10 | — | — | — | — | — | SW 14 | NW 11 | SSW 14 | SSW 14 | N 4 | SSW 13 | SW 13 | SW 13 | S 6 | S 12 | S 8 | SSW 6 |
2 | — | 10 | 2 | — | — | — | — | — | 33 | 31 | 20 | 18 | 1 | 17 | 7 | 6 | 11 | 11 | 1 | 8 | |
Swell 3 Height (m) Direction Period (s) | SW 18 | — | SW 11 | — | — | — | — | — | — | — | SW 14 | — | — | SSW 13 | NNE 5 | — | — | W 15 | SW 12 | SW 12 | SW 12 |
12 | — | 5 | — | — | — | — | — | — | — | 33 | — | — | 17 | 2 | — | — | 38 | 6 | 6 | 5 | |
Wind waves Height (m) Direction Period (s) | — | W 9 | — | WSW 6 | WSW 7 | WSW 8 | WSW 7 | WSW 7 | WSW 8 | — | — | — | — | — | SE 2 | SE 4 | SE 4 | — | WNW 4 | N 4 | — |
— | 146 | — | 136 | 390 | 276 | 259 | 292 | 461 | — | — | — | — | — | 1 | 20 | 16 | — | 13 | 6 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 15 | 0 | 400 | 213 | 213 | 21 | 213 | 254 | 222 | 222 | 28 | 0 | 15 | 0 | 78 | 114 | 0 | 15 | 15 | 15 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the St Agnes Surf forecast
The above surf forecast table for St Agnes provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at St Agnes can be found by selecting the local surf guide option on the grey menu. Our St Agnes 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 (St Agnes) 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 St Agnes 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.
St Agnes is 13 km (8 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.











