
Surf Forecasts:
St Agnes surf forecast from 18 Jul 2026:
- Most powerful swell: Wednesday 22 Jul, 10PM (local time) - 4.5ft (1.4m), 6s period, N swell with 134 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 1.4m 6s and forecast to arrive on Wednesday (Jul 22) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 7s period and expected on Thursday (Jul 23) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Wed 22nd Jul) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for St Agnes over the next 16 days.
The Lowdown
Alright, this is Rusty. Let’s be straight with you – the next couple of weeks are looking pretty grim for St Agnes. I’ve scanned the whole forecast, and honestly, there’s not a single session that I’d be excited to paddle out for. The data is telling me we’re in for a long, quiet stretch.
Things start off flat and messy. Saturday the 18th through to the end of July is just a write-off. We’re looking at tiny, weak swell – mostly under 3ft – with sloppy onshore winds. The wave energy is pathetic, barely hitting 100 (36 on Saturday morning). It’s not just small; it’s choppy, bumpy, and just not worth your time. This hopeless run goes on for days.
We do get a bit more size rolling in around the 26th of July, with a swell pushing 6ft from the west-northwest, and the energy jumps up (402 on Sunday morning). But the wind is cross-shore, and the comment is “poor surf conditions.” It’s a lumpy, cross-chop mess. That kind of size with that wind is more interesting for a kite surfer than a paddle surfer, to be honest.
The only moment that even makes me pause is Thursday the 30th of July. We’ve got a 7ft west-northwest swell with a period of 8 seconds, and the wind is finally cross-off from the south. The afternoon picks up a 2 rating, with 868 wave energy – that’s a lot of power. The wind is light, the surf looks clean. That’s the only window where the stars might align. But it’s a long way off, and the consistency is flagged as “fairly consistent,” so it’s a promising but uncertain call. If you’re desperate, that’s the one to watch.
Other than that, the rest of the run into early August is back to small, weak, and onshore. It’s a tough outlook, but for St Agnes, a blank run like this isn’t totally abnormal. Forecasts can change, so keep an eye on it, but for now, I’d leave the boards in the shed.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Sun morning, min 16°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Tue afternoon, min 15°C on Wed night). Winds increasing (light winds from the NE on Tue morning, fresh winds from the NNE by Wed night). | ||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||
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) | N 4 | N 5 | N 6 | W 7 | W 7 | WNW 12 | N 5 | N 5 | N 6 | WNW 10 | N 6 | WNW 10 | N 6 | N 5 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 |
Wave Graph | |||||||||||||||||||||
18 | 44 | 92 | 4 | 4 | 14 | 21 | 54 | 49 | 33 | 39 | 35 | 74 | 79 | 14 | 14 | 6 | 6 | 7 | 7 | 6 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 9:02PM6.40m | 9:26AM5.89m | 9:47PM6.02m | 10:10AM5.54m | 10:32PM5.58m | 10:57AM5.17m | 11:21PM5.12m | 11:50AM4.83m | 00:18AM4.74m | 12:52PM4.59m | 1:26AM4.50m | 2:03PM4.50m | 2:39AM4.47m | ||||||||
Low Tide | 3:02PM0.40m | 3:31AM0.46m | 3:45PM0.71m | 4:14AM0.83m | 4:29PM1.08m | 4:58AM1.24m | 5:16PM1.47m | 5:45AM1.62m | 6:09PM1.82m | 6:41AM1.93m | 7:14PM2.05m | 7:50AM2.10m | 8:30PM2.11m | ||||||||
5:28 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:37 | — | — | |
— | — | 9:22 | — | — | 9:22 | — | — | 9:21 | — | — | 9:20 | — | — | 9:19 | — | — | 9:16 | — | — | 9:15 | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 20 | 20 | 17 | 19 | 18 | 17 | 22 | 23 | 19 | 17 | 17 | 17 | 17 | 18 | 16 | 20 | 19 | 17 |
Feels °C | 13 | 13 | 13 | 18 | 17 | 15 | 15 | 13 | 16 | 20 | 20 | 17 | 13 | 13 | 13 | 14 | 15 | 14 | 18 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | N 6 | N 5 | SSE 5 | WNW 11 | WNW 11 | WNW 11 | N 6 | WNW 10 | WNW 10 | W 10 | W 9 | W 9 | W 9 | N 6 | N 5 | N 5 | W 8 | W 8 |
12 | 11 | 10 | 41 | 15 | 2 | 12 | 24 | 38 | 40 | 33 | 31 | 16 | 15 | 14 | 14 | 50 | 27 | 7 | 5 | 5 | |
Swell 2 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 12 | W 7 | SE 5 | W 9 | W 9 | W 8 | W 8 | WNW 10 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 15 | W 9 | W 8 | W 8 | ESE 4 | SW 12 |
5 | 5 | 5 | 4 | 6 | 6 | 6 | 5 | 1 | 33 | 10 | 10 | 10 | 9 | 8 | 8 | 6 | 6 | 5 | 1 | 6 | |
Swell 3 Height (m) Direction Period (s) | SW 5 | SW 5 | S 21 | W 10 | W 7 | WNW 12 | W 8 | SW 18 | SW 18 | W 7 | W 7 | W 7 | — | — | — | SW 14 | ESE 4 | SE 4 | SW 13 | SW 13 | SE 4 |
1 | 1 | 9 | 2 | 4 | 14 | 1 | 12 | 12 | 1 | 1 | 1 | — | — | — | 8 | 2 | 1 | 7 | 7 | 1 | |
Wind waves Height (m) Direction Period (s) | N 4 | N 5 | N 6 | SE 3 | ESE 5 | N 4 | N 5 | N 5 | N 6 | — | N 6 | N 5 | N 6 | N 5 | N 6 | N 6 | E 4 | E 5 | ESE 4 | N 4 | NW 3 |
18 | 44 | 92 | 3 | 32 | 11 | 21 | 54 | 49 | — | 39 | 35 | 74 | 79 | 212 | 127 | 19 | 11 | 2 | 4 | 2 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 415 | 582 | 71 | 240 | 653 | 393 | 384 | 385 | 22 | 6 | 27 | 349 | 395 | 582 | 349 | 71 | 658 | 506 | 395 | 549 | 400 |
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.










