Surf Forecasts:
Kennack Sands surf forecast from 9 Sep 2026:
- Most powerful swell: Friday 11 Sep, 4PM (local time) - 0.5ft (0.1m), 16s period, S swell with 5 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 0.1m 16s and forecast to arrive on Friday (Sep 11) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Thursday (Sep 10) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Fri 11th Sep) | 0.5ft (0.1m) 16s |
Table - best surf conditions forecast for Kennack Sands over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's be straight with you – this is a tough one. We're looking at a 16-day window for Kennack Sands, and honestly, there's not a single session that's worth paddling out for. The whole stretch is a real blank run.
The water is sitting at 65°F, which feels a touch warmer than normal for this time of year, but that's about the only comfort you'll get. The combined swell energy is virtually zero for the entire period, with the biggest reading of weak energy only hitting 13. We've got a few days where a tiny, long-period 0.3ft sneaker from the south might roll through, but it's so weak it barely registers. The swell direction is always from the south, but the break is sheltered from that, so it's just not getting in.
Starting from Wednesday the 9th of September right through to the end of the period on the 24th, it's all "poor surf conditions." The wind is mixed, but it just doesn't matter when there's no swell. We get a bit of a glassy moment on the morning of Tuesday the 22nd of September, with light ENE winds giving us a clean surface, but the swell is still a pathetic 0.3ft. That's not a surf, it's a pond. The whole second week is more of the same: tiny, weak pulses and poor conditions. This is a spot that's inconsistent at the best of times, and this forecast is a classic example of why. Don't bother with the board, it's not our time.
Rusty.
Short Range ForecastSome drizzle, heaviest during Thu night. Very mild (max 19°C on Fri morning, min 15°C on Wed afternoon). Winds decreasing (fresh winds from the SW on Thu afternoon, light winds from the W by Fri night). | Days 5-7 Weather SummaryMostly dry. Very mild (max 19°C on Sun night, min 16°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||
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 9 | WNW 9 | WSW 5 | W 8 | WSW 9 | W 9 | S 16 | W 8 | S 15 | S 15 | S 14 | W 10 | W 10 | S 13 | S 12 | W 9 | S 12 | S 11 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 4 | 4 | 4 | 0 | 0 | 3 | 3 | 0 | 3 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off | cross-off | cross-off | cross | cross | on | cross-on | cross-off | cross-off |
High Tide | 4:20PM4.57m | 4:46AM4.47m | 5:04PM4.86m | 5:27AM4.71m | 5:44PM5.04m | 6:05AM4.85m | 6:22PM5.09m | 6:41AM4.89m | 6:58PM5.01m | 7:16AM4.81m | 7:33PM4.82m | 7:51AM4.64m | 8:08PM4.53m | |||||||
Low Tide | 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 | 1:23PM-0.04m | 1:43AM-0.01m | 1:58PM0.11m | 2:17AM0.23m | 2:33PM0.36m | 2:50AM0.54m | |||||||
 |  |  | |  | | |  | |  |  | | | | | | | | | | |
 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — | — | 7:38 | — | — | 7:37 | — | — | 7:35 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 17 | 18 | 19 | 18 | 16 | 17 | 18 | 18 | 17 | 17 | 19 | 19 | 19 | 18 | 18 | 20 | 18 |
Feels °C | 13 | 14 | 12 | 12 | 17 | 17 | 15 | 16 | 14 | 15 | 16 | 16 | 15 | 19 | 19 | 19 | 18 | 18 | 19 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WSW 8 | W 11 | WSW 9 | W 9 | W 9 | W 8 | W 15 | W 13 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | W 8 | WNW 10 | W 12 |
| kJ | 222 | 101 | 19 | 22 | 790 | 380 | 263 | 157 | 17 | 32 | 826 | 459 | 325 | 225 | 164 | 157 | 133 | 122 | 378 | 103 |
Swell 2 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WNW 8 | — | — | — | S 16 | W 18 | S 15 | S 15 | S 14 | SW 13 | SW 13 | S 13 | S 12 | SW 12 | W 12 | W 11 | S 11 | S 6 |
| kJ | 84 | 54 | 22 | — | — | — | 5 | 6 | 4 | 4 | 4 | 7 | 7 | 3 | 3 | 6 | 12 | 59 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | W 15 | — | W 12 | — | — | — | — | — | S 15 | S 15 | — | — | — | — | SW 12 | SW 12 | S 12 | S 11 | — | S 11 |
| kJ | 4 | — | 11 | — | — | — | — | — | 4 | 4 | — | — | — | — | 6 | 6 | 3 | 2 | — | 2 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 5 | W 8 | — | — | — | — | W 8 | W 8 | — | — | — | — | — | — | — | — | — | WNW 8 |
| kJ | — | — | 38 | 459 | — | — | — | — | 239 | 347 | — | — | — | — | — | — | — | — | — | 460 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 16 | 29 | 249 | 181 | 16 | 8 | 16 | 29 | 30 | 163 | 182 | 21 | 21 | 29 | 30 | 30 | 29 | 29 | 19 | 84 |
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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