Surf Forecasts:
The Breakwater-St Ives surf forecast from 29 Aug 2026:
- Best quality surf: Sunday 30 Aug, 10PM (local time) - 11ft (3.5m), 9s period, WSW swell with cross-offshore winds.
- Most powerful swell: Friday 4 Sep, 1PM (local time) - 10ft (3.0m), 12s period, WNW swell with 2,434 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 10PM (local time) - 11ft (3.5m), 9s period with WSW swell.
Best Forecast Surf Conditions for The Breakwater-St Ives this week:
The surf forecast for The Breakwater-St Ives over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 10PM. The primary swell is predicted to be 3.5m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at The Breakwater-St Ives in the next 16 days are 3.0m 12s and forecast to arrive on Friday (Sep 04) 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 1.5m 6s period and expected on Saturday (Sep 05) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sun 30th Aug) | 11ft (3.5m) 9s |
| Best Surf | 10PM (Sun 30th Aug) | 11ft (3.5m) 9s |
| Most Powerful | 1PM (Fri 4th Sep) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for The Breakwater-St Ives over the next 16 days.
The Lowdown
Alright, let’s break down the surf for The Breakwater-St Ives in imperial over the next couple of weeks.
First week is a tough watch, to be honest. We’ve got a weak, short-period SW windswell hanging about, but the wind is blowing hard from the same direction, making a mess of things. The water here is about 64°, which is normal for this time of year.
Saturday 29th August there’s a risk of thunderstorms and a gusty 22 mph SW cross-offshore wind. The swell is around 8ft from the SW with a short 8-second period – that’s a lot of chop for not much wave face. The combined energy is moderate (606) but the conditions are poor.
Sunday 30th is similar. The swell drops to about 6ft from the WSW, still with a fresh SW wind. Marginal at best.
Monday 31st sees a bigger, lumpy 10ft W swell roll in, but the wind is cross-onshore with a strong 16 mph WNW breeze. The energy is high (2739) but it’s rough and lumpy – one for the kite boarders, not for a clean paddle.
Tuesday 1st September and Wednesday 2nd are flat to weak. Swell dropping to 3ft to 7ft, wind still from the SW, poor quality.
Thursday 3rd and Friday 4th show signs of life – the swell is around 6ft to 7ft, and the period starts to stretch to 11-12 seconds, hinting at a better groundswell. The wind is cross-off on Friday, which helps. Combined energy is strong (1150-1198) but still only marginal for quality.
Saturday 5th to Sunday 6th fades again to 4ft to 5ft, no punch.
Now, the good news. Monday 7th September morning is the best of the first week. The wind turns light from the ESE at 6 mph, making the surf clean. There’s a solid 6ft W groundswell with an 11-second period, and combined energy is strong (981). It might be inconsistent, but the sets will be quality.
Tuesday 8th drops off, and Wednesday 9th is near flat.
Looking further ahead, Thursday 10th September – the swell jumps to 8ft from the WSW, but the real gem is Thursday afternoon: a clean 10ft WSW groundswell with a light 16 mph S offshore breeze. Energy is strong (1242). That’s solid expert territory.
Friday 11th September is the absolute standout. A massive 10ft W groundswell with a very long 14-second period – that’s proper deep-ocean energy. Combined energy is extremely high (5574). Wind is light offshore from the S at 9 mph, making it glassy. This is a massive day for experienced surfers only. The break handles it well as a point.
Saturday 12th eases to 5ft, still with light offshore winds and an 11-second period. Sunday 13th morning is glassy – wind is a whisper from the WSW at 3 mph – with a clean 6ft W swell at 10 seconds and combined energy of 1139. Beautiful morning for an intermediate surfer.
The one to circle on your calendar is Friday 11th September – it’s the big one. For a more relaxing wave, Monday 7th September morning and Sunday 13th morning are your best windows.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Sun morning. Very mild (max 18°C on Sat afternoon, min 16°C on Sun night). Winds decreasing (strong winds from the W on Sat afternoon, light winds from the WSW by Mon night). | Days 5-7 Weather SummarySome drizzle, heaviest during Wed night. Very mild (max 18°C on Tue afternoon, min 16°C on Thu night). Winds increasing (light winds from the SW on Tue night, strong winds from the SW by Wed morning). | |||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||
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) | WSW 9 | WSW 9 | WSW 9 | WSW 8 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | WSW 6 | WSW 8 | WSW 8 | W 8 | W 8 | WNW 10 | WNW 9 | WNW 12 | WNW 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1695 | 841 | 524 | 751 | 2055 | 1424 | 876 | 408 | 189 | 146 | 134 | 242 | 522 | 614 | 548 | 664 | 2171 | 1767 | 2013 | 990 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross | cross-off |
High Tide | 6:47PM6.04m | 7:04AM5.88m | 7:20PM6.12m | 7:37AM5.93m | 7:54PM6.08m | 8:12AM5.86m | 8:31PM5.90m | 8:50AM5.66m | 9:11PM5.59m | 9:34AM5.35m | 9:59PM5.18m | 10:26AM4.96m | 11:00PM4.74m | |||||||
Low Tide | 1:11AM0.20m | 1:23PM0.23m | 1:43AM0.18m | 1:56PM0.26m | 2:17AM0.29m | 2:31PM0.40m | 2:52AM0.51m | 3:10PM0.66m | 3:33AM0.84m | 3:55PM1.01m | 4:22AM1.24m | 4:53PM1.40m | ||||||||
 |  |  |  |  |  | |  | |  | | | |  | | | | | | | |
 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — |
 | 8:13 | — | — | 8:10 | — | — | 8:08 | — | — | 8:07 | — | — | 8:05 | — | — | 8:02 | — | — | 8:00 | — |
mm | — | — | 4 | 4 | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 18 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 |
Feels °C | 11 | 13 | 13 | 12 | 11 | 13 | 13 | 15 | 15 | 15 | 16 | 13 | 14 | 15 | 15 | 12 | 11 | 11 | 13 | 16 |
Swell 1 Height (m) Direction Period (s) | — | WSW 9 | N 5 | — | — | — | W 10 | W 10 | W 9 | SW 17 | SW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 15 | SSW 15 | SSW 14 | SSW 14 | WNW 11 |
| kJ | — | 841 | 2 | — | — | — | 876 | 408 | 189 | 12 | 10 | 25 | 23 | 21 | 35 | 60 | 23 | 21 | 20 | 990 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 5 | N 5 | — | SW 11 | — | — | — | — | — | — | SSW 14 | — | SSW 14 |
| kJ | — | — | — | — | — | — | — | 13 | 2 | — | 5 | — | — | — | — | — | — | 20 | — | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 18 | SW 18 | SW 17 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 6 | 12 | 12 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 9 | — | WSW 9 | WSW 8 | W 10 | W 10 | NNW 6 | — | — | W 9 | W 8 | WSW 6 | WSW 8 | WSW 8 | W 8 | W 8 | WNW 10 | WNW 9 | WNW 12 | — |
| kJ | 1695 | — | 524 | 751 | 2055 | 1424 | 33 | — | — | 146 | 134 | 242 | 522 | 614 | 548 | 664 | 2171 | 1767 | 2013 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 159 | 1 | 392 | 498 | 164 | 215 | 164 | 0 | 0 | 2 | 2 | 761 | 213 | 224 | 509 | 215 | 215 | 284 | 176 | 0 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the The Breakwater-St Ives Surf forecast
The above surf forecast table for The Breakwater-St Ives provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Breakwater-St Ives can be found by selecting the local surf guide option on the grey menu. Our The Breakwater-St Ives 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 (The Breakwater-St Ives) 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 The Breakwater-St Ives 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.
The Breakwater-St Ives is 11 km (7 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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