Surf Forecasts:
Kennack Sands surf forecast from 6 Sep 2026:
- Most powerful swell: Friday 11 Sep, 7PM (local time) - 1.5ft (0.5m), 6s period, SSW swell with 17 kJ wave energy.
Best Forecast Surf Conditions for Kennack Sands this week:
The most powerful waves expected at Kennack Sands in the next 16 days are 0.5m 6s and forecast to arrive on Friday (Sep 11) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 10s period and expected on Tuesday (Sep 08) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Fri 11th Sep) | 1.5ft (0.5m) 6s |
Table - best surf conditions forecast for Kennack Sands over the next 16 days.
The Lowdown
Alright, this is Rusty. Let's be straight with you – it's a tough outlook for Kennack Sands. The next couple of weeks are looking flat as a pancake, with barely a ripple on offer. You'd be hard-pressed to get your fins wet, let alone catch a wave. The good news? A spot like this, it doesn't stay dead forever. Forecasts can change, so don't write the whole season off just yet.
Looking at the whole run, from now through to the end of the forecast, there's just no energy to speak of. The combined swell energy is almost always a big fat zero (0), and even the few tiny bumps we see barely register. The water temperature is sitting at 64°, which is a touch warmer than normal for this time of year, but that's the only highlight.
There's a hint of something on the very first morning, Sunday the 6th of September. We see a small 3ft swell from the SSE with a short, weak period of 4 seconds. The combined energy is only 40 – that's weak. And with a SE wind blowing 16 mph right onshore, it's gonna be messy. Not worth paddling out for.
After that, we go into a long, dry spell. From Sunday afternoon right through to the end of the outlook, the swell height is either zero or a pathetic 0.3ft. There are a few moments with clean, offshore winds – like Monday the 7th with a WNW breeze – but without any swell to work with, it's just a flat, glassy lake. You'll see a few 0.3ft readings pop up from a southerly direction, sometimes with a very long period, like 16 or 18 seconds, but that energy is so tiny (combined energy between 2 and 12) it's not going to produce a wave you can ride.
Honestly, for the next 16 days, there isn't a single standout session. This break is sheltered and inconsistent at the best of times, and right now, it's just not happening. You might want to check back later, but for now, Kennack Sands is a no-go.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Very mild (max 19°C on Sun night, min 15°C on Mon night). Winds increasing (light winds from the SW on Sun afternoon, strong winds from the WSW by Mon night). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Wed night. Very mild (max 18°C on Thu morning, min 16°C on Wed morning). Winds decreasing (fresh winds from the SW on Thu morning, light winds from the SE by Fri night). | ||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||
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) | SSE 4 | SSE 4 | S 5 | S 12 | WSW 12 | WSW 11 | WSW 10 | S 11 | W 9 | W 9 | W 8 | WNW 9 | WSW 6 | WSW 8 | WSW 9 | WSW 9 | S 16 | S 5 | SW 4 | S 15 | S 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 11 | 7 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 8 | 16 | 4 | 4 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-off | off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross | cross-off | cross-off | cross-on | on | on | cross | cross-off | cross-off |
High Tide | 12:55PM3.67m | 1:45AM3.60m | 2:23PM3.87m | 3:02AM3.84m | 3:28PM4.21m | 3:59AM4.16m | 4:20PM4.57m | 4:46AM4.47m | 5:04PM4.86m | 5:27AM4.71m | 5:44PM5.04m | 6:05AM4.85m | 6:22PM5.09m | ||||||||
Low Tide | 7:48PM1.26m | 8:27AM1.25m | 9:14PM1.00m | 9:42AM0.94m | 10:17PM0.61m | 10:38AM0.56m | 11:08PM0.24m | 11:25AM0.23m | 11:51PM-0.02m | 12:07PM0.01m | 00:31AM-0.16m | 12:46PM-0.08m | 1:08AM-0.15m | ||||||||
 |  |  | |  |  | | | | | |  | | | |  | | | | | | |
 | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | 7:54 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — |
mm | — | — | — | — | — | 4 | — | — | — | — | — | 1 | — | — | 1 | 1 | — | — | — | — | — |
Temp °C | 18 | 18 | 19 | 16 | 17 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 16 |
Feels °C | 14 | 16 | 19 | 13 | 14 | 11 | 11 | 11 | 9 | 11 | 11 | 13 | 15 | 15 | 15 | 16 | 16 | 19 | 16 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | WSW 16 | WSW 13 | WSW 12 | — | WSW 10 | S 11 | — | — | — | WNW 9 | WNW 8 | W 11 | WSW 9 | WSW 9 | WSW 8 | W 8 | W 8 | S 15 | W 10 |
| kJ | 106 | 76 | 330 | 1568 | 1145 | — | 482 | 2 | — | — | — | 169 | 14 | 9 | 521 | 343 | 227 | 124 | 74 | 4 | 815 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SW 12 | W 9 | S 12 | SW 12 | — | WNW 9 | SW 11 | — | — | — | WSW 8 | W 12 | — | — | — | S 16 | S 5 | W 10 | S 15 | S 14 |
| kJ | 16 | 6 | 71 | 3 | 5 | — | 313 | 5 | — | — | — | 54 | 11 | — | — | — | 5 | 8 | 52 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | W 20 | S 5 | — | — | — | — | — | — | — | — | W 13 | N 6 | — | — | — | S 16 | — | S 15 | S 15 | — |
| kJ | — | 8 | 7 | — | — | — | — | — | — | — | — | 3 | 1 | — | — | — | 5 | — | 4 | 4 | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSE 4 | SW 3 | — | — | WSW 11 | WNW 9 | W 9 | W 9 | W 9 | W 8 | — | WSW 6 | WSW 8 | — | — | — | — | SW 4 | W 7 | — |
| kJ | 24 | 11 | 2 | — | — | 1221 | 406 | 637 | 846 | 617 | 403 | — | 147 | 426 | — | — | — | — | 16 | 524 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 144 | 33 | 30 | 16 | 64 | 182 | 182 | 187 | 187 | 187 | 415 | 181 | 182 | 36 | 16 | 29 | 8 | 15 | 47 | 218 | 21 |
Best forecast wave conditions in South Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Kennack Sands Surf forecast
The above surf forecast table for Kennack Sands provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennack Sands can be found by selecting the local surf guide option on the grey menu. Our Kennack Sands 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 (Kennack Sands) 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 Kennack Sands 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.
Kennack Sands is 9 km (6 miles) from The Lizard. If you plan a holiday in South Cornwall, look for hotels and other accommodation in The Lizard. The Lizard has rooms for a wide range of budgets as well as car hire and transport links.
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