Surf Forecasts:
St Agnes surf forecast from 18 Sep 2026:
- Best quality surf: Saturday 19 Sep, 10PM (local time) - 7ft (2.2m), 11s period, W swell with cross-offshore winds.
- Most powerful swell: Friday 25 Sep, 10PM (local time) - 8ft (2.5m), 15s period, WNW swell with 2,906 kJ wave energy.
- Next surfable swell (1★+): Saturday 19 Sep, 10PM (local time) - 7ft (2.2m), 11s 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 Saturday (Sep 19) at 10PM. The primary swell is predicted to be 2.2m and 11s period with a secondary swell of 2.0m and 11s. Another secondary swell of 0.1m and 14s is also forecast. 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 2.5m 15s and forecast to arrive on Friday (Sep 25) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Thursday (Sep 24) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 19th Sep) | 7ft (2.2m) 11s |
| Best Surf | 10PM (Sat 19th Sep) | 7ft (2.2m) 11s |
| Most Powerful | 10PM (Fri 25th Sep) | 8ft (2.5m) 15s |
Table - best surf conditions forecast for St Agnes over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 19°C on Mon morning, min 14°C on Sun afternoon). Winds decreasing (fresh winds from the SW on Fri afternoon, calm by Sun night). | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Tue morning, min 16°C on Wed night). Winds increasing (calm on Mon afternoon, fresh winds from the ESE by Thu morning). | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||||
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 12 | W 8 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 12 | WNW 11 | W 11 | WNW 10 | W 11 | W 11 | W 14 | W 13 | WNW 12 | WNW 11 | W 11 | W 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 386 | 699 | 1302 | 1210 | 1009 | 606 | 483 | 358 | 274 | 209 | 110 | 173 | 377 | 332 | 1162 | 892 | 425 | 198 | 146 | 71 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross | cross | on | cross-on | cross | glassy | glassy | glassy | cross-off | cross | glassy | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off |
High Tide | 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 | 4:07PM5.14m | 4:29AM5.21m | 4:44PM5.63m | ||||||||
Low Tide | 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 | 10:04AM1.66m | 10:30PM1.33m | 10:43AM1.20m | 11:05PM0.88m | |||||||
 |  | | |  |  | |  | | | | | | | | | | | | | |
 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | 7:29 | — | — | 7:27 | — | — | 7:23 | — | — | 7:22 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 17 | 18 | 17 | 15 | 15 | 15 | 19 | 19 | 18 | 20 | 20 | 18 | 18 | 17 | 18 | 18 | 18 | 15 |
Feels °C | 10 | 13 | 13 | 15 | 17 | 13 | 13 | 13 | 17 | 17 | 16 | 18 | 19 | 17 | 15 | 15 | 17 | 14 | 15 | 11 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | SW 16 | SW 15 | W 11 | W 11 | W 11 | W 11 | W 12 | WNW 11 | W 11 | WNW 10 | W 11 | W 11 | W 14 | W 13 | WNW 12 | WNW 11 | W 11 | W 10 |
| kJ | 386 | 59 | 10 | 9 | 810 | 606 | 483 | 358 | 274 | 209 | 110 | 173 | 377 | 332 | 1162 | 892 | 425 | 198 | 146 | 71 |
Swell 2 Height (m) Direction Period (s) | S 15 | SW 16 | S 12 | S 11 | SW 14 | SW 14 | SW 14 | N 4 | SW 13 | SW 13 | SW 13 | SW 12 | S 12 | W 15 | S 12 | — | — | N 5 | N 5 | — |
| kJ | 4 | 10 | 3 | 2 | 8 | 8 | 8 | 1 | 7 | 7 | 7 | 6 | 3 | 165 | 3 | — | — | 4 | 4 | — |
Swell 3 Height (m) Direction Period (s) | S 18 | S 12 | — | — | — | — | — | SW 13 | — | — | — | — | W 20 | W 17 | SE 12 | — | — | SW 13 | SW 13 | — |
| kJ | 6 | 3 | — | — | — | — | — | 7 | — | — | — | — | 8 | 153 | 6 | — | — | 7 | 7 | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 8 | W 11 | W 11 | W 11 | — | — | — | — | — | — | ESE 2 | SE 3 | SE 12 | — | — | — | ESE 3 | SE 4 | SSE 3 |
| kJ | 258 | 699 | 1302 | 1210 | 1009 | — | — | — | — | — | — | 1 | 2 | 6 | — | — | — | 7 | 8 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 213 | 254 | 231 | 213 | 15 | 27 | 28 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 27 | 0 | 63 | 44 | 201 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our St Agnes surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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