Surf Forecasts:
St Agnes surf forecast from 13 Jul 2026:
- Most powerful swell: Friday 17 Jul, 4AM (local time) - 4ft (1.2m), 5s period, NNW swell with 81 kJ wave energy.
Best Forecast Surf Conditions for St Agnes this week:
The most powerful waves expected at St Agnes in the next 16 days are 1.2m 5s and forecast to arrive on Friday (Jul 17) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Monday (Jul 13) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Fri 17th Jul) | 4ft (1.2m) 5s |
Table - best surf conditions forecast for St Agnes over the next 16 days.
Alright, grab a coffee, let's get into it.
Honestly, buddy, the next couple of weeks are a bit of a write-off for St Agnes. We’re looking at a real dry spell for any decent surf. The first solid recommendation doesn’t even pop up until Monday, July 27th, so you’re looking at a gap of nearly two weeks with nothing worth paddling out for. It’s a tough stretch for a break that can be pretty consistent.
Before that, we’ve got a whole lot of tiny, weak swell with poor wind. A few mornings in the middle of the week, like Wednesday the 15th, it goes glassy but the swell is only 1 foot. It’s flat, not surfable. The energy is way down, barely registering. It’s a real bummer.
Now, the one light at the end of the tunnel. Monday, July 27th looks like a big change. We’ve got a solid 8 foot swell from the West, but with a short period of 8 seconds. The wind is howling from the WSW in the morning at 25 mph, but it’s cross-off, so St Agnes could be blown clean. The combined energy is massive, so there’s real power in the water. But, that 8 foot is a big step up. This is for experts only. It’s not a beginner wave.
The energy jumps even more by Tuesday morning, July 28th, with an 8 foot groundswell from the WNW rocking a period of 11 seconds. The combined energy is a monster. The wind turns more cross-on from the West, so it’ll be a bit bumpy, but the power is there. Still strictly for the experienced crew.
So, for the rest of us, it’s a long wait. Hang in there, and keep an eye on those charts. The end of the month could finally deliver something worth the wait.
Stay stoked,
Rusty
Short Range ForecastMostly dry. Warm (max 25°C on Mon afternoon, min 17°C on Mon night). Winds decreasing (fresh winds from the E on Sun night, calm by Wed afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Thu morning, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||
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) | NNE 6 | NNE 6 | W 12 | W 11 | W 11 | W 10 | W 9 | W 9 | W 9 | SSW 14 | SSW 15 | NNW 4 | NNW 5 | N 5 | N 5 | W 8 | N 5 | N 5 | N 5 | N 5 | WNW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 75 | 64 | 26 | 21 | 21 | 31 | 15 | 14 | 14 | 21 | 21 | 27 | 51 | 17 | 15 | 12 | 12 | 21 | 27 | 27 | 14 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | glassy | cross | cross-on | on | on | cross-on | on | on | cross-on | on | cross-on | cross-off | cross | cross-on |
High Tide | 4:37AM5.81m | 5:04PM6.09m | 5:32AM6.09m | 5:56PM6.43m | 6:23AM6.30m | 6:46PM6.67m | 7:11AM6.39m | 7:33PM6.74m | 7:57AM6.34m | 8:18PM6.65m | 8:42AM6.17m | 9:02PM6.40m | 9:26AM5.89m | 9:47PM6.02m | |||||||
Low Tide | 11:03AM0.75m | 11:34PM0.50m | 11:57AM0.46m | 00:27AM0.21m | 12:47PM0.24m | 1:17AM0.04m | 1:34PM0.15m | 2:03AM0.03m | 2:18PM0.21m | 2:48AM0.18m | 3:02PM0.40m | 3:31AM0.46m | 3:45PM0.71m | ||||||||
 | |  | | | |  | | |  | | | | |  | | | | | | | |
 | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:31 | — | — |
 | — | — | 9:28 | — | — | 9:27 | — | — | 9:25 | — | — | 9:24 | — | — | 9:23 | — | — | 9:22 | — | — | 9:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 23 | 23 | 25 | 22 | 25 | 24 | 21 | 22 | 20 | 20 | 21 | 21 | 18 | 22 | 22 | 19 | 22 | 22 | 21 |
Feels °C | 19 | 22 | 22 | 20 | 22 | 21 | 25 | 24 | 20 | 19 | 16 | 18 | 18 | 19 | 16 | 18 | 19 | 16 | 21 | 22 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | N 6 | N 6 | N 5 | N 5 | N 6 | N 6 | W 9 | W 8 | W 9 | SW 7 | SW 7 | SW 6 | SW 6 | N 4 | W 8 | W 8 | W 7 | W 7 | N 5 |
| kJ | 67 | 50 | 76 | 47 | 20 | 13 | 16 | 9 | 14 | 12 | 14 | 17 | 15 | 10 | 5 | 10 | 12 | 10 | 4 | 4 | 27 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | SSW 19 | SE 7 | SE 7 | SE 7 | W 10 | W 9 | W 9 | SSW 6 | ESE 7 | ESE 6 | W 8 | W 8 | W 8 | W 8 | W 8 | SSW 6 | SW 5 | SW 5 | SW 19 | WNW 12 |
| kJ | 37 | 37 | 22 | 25 | 23 | 31 | 15 | 14 | 3 | 9 | 3 | 13 | 12 | 12 | 12 | 12 | 3 | 1 | 1 | 15 | 14 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | SW 15 | W 12 | W 11 | W 11 | SSW 6 | SSW 6 | SW 6 | N 5 | SSW 14 | SSW 15 | SW 15 | SSW 13 | W 3 | W 3 | SW 6 | SW 11 | SW 12 | W 13 | W 13 | W 7 |
| kJ | 11 | 8 | 26 | 21 | 21 | 3 | 7 | 10 | 2 | 21 | 21 | 8 | 16 | 1 | 1 | 5 | 5 | 5 | 4 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | NNE 6 | NNE 6 | E 8 | E 8 | E 7 | — | ESE 4 | — | N 3 | N 3 | N 5 | NNW 4 | NNW 5 | N 5 | N 5 | — | N 5 | N 5 | N 5 | N 5 | — |
| kJ | 75 | 64 | 265 | 323 | 220 | — | 2 | — | 2 | 5 | 9 | 27 | 51 | 17 | 15 | — | 11 | 21 | 27 | 27 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 381 | 6 | 1 | 41 | 6 | 28 | 28 | 78 | 131 | 23 | 279 | 78 | 279 | 240 | 393 | 393 | 908 | 349 | 393 | 28 | 393 |
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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