Surf Forecasts:
St Agnes surf forecast from 1 Aug 2026:
- Best quality surf: Monday 3 Aug, 1AM (local time) - 2.5ft (0.8m), 9s period, WSW swell with glassy winds.
- Most powerful swell: Wednesday 5 Aug, 1PM (local time) - 6ft (1.8m), 7s period, WSW swell with 334 kJ wave energy.
- Next surfable swell (1★+): Monday 3 Aug, 1AM (local time) - 2.5ft (0.8m), 9s period with WSW 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 Monday (Aug 03) at 1AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.2m and 3s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at St Agnes in the next 16 days are 1.8m 7s and forecast to arrive on Wednesday (Aug 05) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Sunday (Aug 02) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Mon 3rd Aug) | 2.5ft (0.8m) 9s |
| Best Surf | 1AM (Mon 3rd Aug) | 2.5ft (0.8m) 9s |
| Most Powerful | 1PM (Wed 5th Aug) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for St Agnes over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you – this outlook for St Agnes is a tough one. We’re looking at a long stretch of pretty poor conditions, with a solid gap of surf that just isn't worth paddling out for. The water is sitting at a touch warmer than normal for this time of year, which is nice on the skin, but it won't fix the waves.
The first real chance we see anything worthwhile is on the morning of the 5th of August. The swell bumps up to 6ft from the WSW, and the wind is a clean cross-offshore from the SW, so the lines should be holding up. The combined energy is moderate at 331, but the period is a short 7 seconds, so it'll be a bit lumpy and won't have that grunt you'd hope for. It’s a marginal call, and the tide might play funny buggers. That afternoon gets messy with a cross-shore chop.
The 9th of August morning sees a jump in size – 8ft from the west with a period of 9 seconds. That's a lot of water, pumping a strong energy reading of 1099. But the wind is onshore from the NNW, so it's going to be a washing machine. This is expert-only territory at best, and honestly, it looks more interesting for a kite than a paddle.
After that, we get a few cleaner mornings, like the 11th of August with a 3ft to 4ft swell from the WSW and a cross-offshore wind. The period stretches to 10 seconds on the afternoon session, which is nice, and the energy is moderate (232). The waves will be small and clean, but nothing to write home about. The rest of the forecast is a mix of onshore winds and tiny, weak swell – you’d be better off doing something else.
So, the standout? It's a weak one. The morning of the 11th of August is probably your best bet for a small, clean session. Don't get your hopes up, but it's the best of a bad bunch. The big swell on the 9th is for the brave and the seasoned, or the kite crew.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Mon morning, min 14°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Mon afternoon, min 16°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | ||||||||||||||
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) | WNW 5 | W 10 | W 9 | W 9 | W 8 | W 8 | W 10 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | SW 7 | SW 6 | SW 6 | WSW 7 | WSW 7 | WSW 7 | W 6 | W 6 | W 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 21 | 33 | 41 | 39 | 49 | 35 | 33 | 106 | 106 | 106 | 75 | 193 | 145 | 135 | 324 | 334 | 219 | 100 | 58 | 17 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | on | cross-on | cross-off | cross-on | glassy | cross-on | cross-on | off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | on | cross-on |
High Tide | 7:22PM6.17m | 7:38AM5.94m | 7:55PM6.23m | 8:12AM5.97m | 8:29PM6.20m | 8:47AM5.91m | 9:05PM6.07m | 9:25AM5.77m | 9:45PM5.85m | 10:08AM5.55m | 10:32PM5.55m | 11:00AM5.27m | 11:30PM5.22m | |||||||
Low Tide | 1:44AM0.57m | 1:55PM0.57m | 2:17AM0.54m | 2:27PM0.60m | 2:50AM0.60m | 3:02PM0.71m | 3:25AM0.75m | 3:39PM0.89m | 4:05AM0.97m | 4:23PM1.14m | 4:52AM1.25m | 5:17PM1.42m | ||||||||
 |  |  |  |  | | | | | | | | | | | | | | | | |
 | — | — | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — |
 | — | 9:06 | — | — | 9:05 | — | — | 9:02 | — | — | 9:01 | — | — | 9:00 | — | 8:59 | — | — | 8:57 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 18 | 17 | 16 | 20 | 21 | 17 | 22 | 21 | 19 | 21 | 21 | 19 | 20 | 20 | 18 | 17 | 17 | 16 |
Feels °C | 13 | 13 | 16 | 14 | 15 | 18 | 18 | 15 | 19 | 18 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 5 | W 10 | WNW 5 | W 9 | W 8 | W 8 | W 10 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | SW 15 | SW 15 | SW 14 | SW 13 | SW 13 | SW 13 | W 6 | W 6 | W 6 |
| kJ | 21 | 33 | 15 | 39 | 49 | 35 | 33 | 106 | 106 | 106 | 75 | 8 | 8 | 8 | 7 | 7 | 7 | 100 | 58 | 15 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 7 | W 9 | NW 4 | WNW 6 | W 6 | SW 8 | E 4 | N 4 | N 4 | N 4 | — | S 15 | W 11 | — | S 18 | W 11 | NNW 4 | N 4 | W 10 |
| kJ | 11 | 4 | 41 | 6 | 8 | 3 | 17 | 3 | 1 | 1 | 1 | — | 4 | 3 | — | 6 | 2 | 7 | 3 | 17 |
Swell 3 Height (m) Direction Period (s) | W 12 | N 4 | — | — | — | — | W 6 | — | — | E 7 | S 15 | — | — | — | — | — | — | W 10 | W 10 | N 4 |
| kJ | 3 | 1 | — | — | — | — | 1 | — | — | 1 | 4 | — | — | — | — | — | — | 18 | 17 | 1 |
Wind waves Height (m) Direction Period (s) | N 4 | WNW 4 | — | NW 4 | N 3 | ENE 2 | — | NNE 3 | — | — | SSW 2 | SW 7 | SW 6 | SW 6 | WSW 7 | WSW 7 | WSW 7 | — | — | — |
| kJ | 6 | 10 | — | 5 | 1 | 1 | — | 1 | — | — | 1 | 193 | 145 | 135 | 324 | 334 | 219 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 222 | 224 | 28 | 28 | 27 | 41 | 27 | 0 | 21 | 21 | 0 | 15 | 15 | 21 | 15 | 213 | 153 | 23 | 23 | 625 |
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.
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