Surf Forecasts:
Kennack Sands surf forecast from 27 Aug 2026:
- Most powerful swell: Sunday 30 Aug, 1PM (local time) - 3.5ft (1.1m), 7s period, SSW swell with 105 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 1.1m 7s and forecast to arrive on Sunday (Aug 30) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 8s period and expected on Saturday (Aug 29) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Sun 30th Aug) | 3.5ft (1.1m) 7s |
Table - best surf conditions forecast for Kennack Sands over the next 16 days.
The Lowdown
Alright, I’m looking at the forecast for Kennack Sands and, well, I gotta be straight with you – it’s gonna be a pretty quiet stretch for the next couple of weeks. Sometimes it just goes like that down here, and this is one of those times.
The whole 16-day window is a real blanker. We’re starting from Thursday the 27th of August with a tiny 3ft to 3ft SSW swell, but the period’s a short, weak 6 seconds, and the wind is cross-shore, so the combined energy is only 59 to 72. It’s just not enough to get excited about. That poor surf quality continues right through. We get a few days with absolutely no swell at all – Friday the 28th, Saturday the 29th, and Sunday the 30th all show zeros for wave height, with some strong winds, especially Saturday where we’re looking at a near gale from the SSW and W. That’s more kite-surfing territory than paddle surfing.
Monday the 31st of August and Tuesday the 1st of September stay clean but tiny, with just a whisper of a 0.3ft, 18-second long-period groundswell from the S, but it’s not reaching the beach. Combined energy is a paltry 6. Same story for Wednesday the 2nd of September – 0.7ft SSW swell, long period of 15 to 16 seconds, but only 27 combined energy. Light winds though, so it’s glassy. As we move into the second week, the pattern doesn’t change. From Thursday the 3rd of September through to the end of the run, we’re looking at 0.3ft to 2ft swells, all with poor surf conditions. There’s a slight uptick on Wednesday the 9th of September with a 4ft ENE swell, but the period is a shocking 4 seconds, which is just wind chop, and combined energy is only 75. It’s just not happening.
The water temp is about average for the time of year here. The only real positive is that the wind often goes offshore or cross-offshore, keeping the surface clean, but there’s no power behind it. It’s a frustrating outlook for anyone wanting a proper wave. Bottom line: there’s nothing to recommend. The whole 16 days are a write-off. We’ve got a few clean, glassy mornings, but with no swell to speak of. Sometimes it’s just like this.
Rusty
Short Range ForecastModerate rain (total 17mm), heaviest on Wed night. Very mild (max 19°C on Thu afternoon, min 17°C on Thu night). Winds increasing (light winds from the SSW on Thu morning, near gales from the WSW by Sat morning). | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Sun afternoon. Very mild (max 18°C on Sun morning, min 16°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||
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) | SSW 6 | SSW 6 | E 5 | WSW 6 | S 11 | S 11 | SW 7 | WSW 9 | SSW 9 | SSW 7 | WSW 9 | WSW 9 | WSW 9 | W 10 | S 18 | S 18 | W 9 | S 11 | SSW 16 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 38 | 58 | 2 | 0 | 3 | 2 | 0 | 0 | 8 | 99 | 0 | 0 | 0 | 0 | 6 | 6 | 0 | 2 | 25 | 23 | 21 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross |
High Tide | 5:10AM4.15m | 5:25PM4.49m | 5:42AM4.38m | 5:57PM4.71m | 6:13AM4.57m | 6:28PM4.87m | 6:45AM4.70m | 7:00PM4.94m | 7:18AM4.75m | 7:34PM4.92m | 7:53AM4.71m | 8:11PM4.78m | 8:31AM4.57m | 8:52PM4.54m | |||||||
Low Tide | 11:42AM0.61m | 00:05AM0.42m | 12:16PM0.37m | 00:39AM0.21m | 12:51PM0.20m | 1:13AM0.08m | 1:26PM0.12m | 1:48AM0.06m | 2:01PM0.14m | 2:23AM0.14m | 2:39PM0.26m | 3:01AM0.32m | 3:19PM0.46m | 3:43AM0.58m | |||||||
 | |  |  |  |  | |  | | |  |  | | | | | | | | | | |
 | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — |
 | — | 8:15 | — | — | 8:14 | — | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — | — | 8:05 | — | — | 8:02 | — |
mm | — | — | — | 2 | 1 | 7 | 1 | — | — | 2 | 7 | 3 | — | — | — | — | 2 | — | — | — | — |
Temp °C | 18 | 19 | 18 | 18 | 18 | 19 | 19 | 18 | 17 | 18 | 18 | 17 | 18 | 18 | 17 | 18 | 17 | 16 | 17 | 18 | 17 |
Feels °C | 17 | 17 | 17 | 13 | 13 | 14 | 11 | 10 | 11 | 15 | 13 | 13 | 15 | 15 | 14 | 14 | 13 | 13 | 16 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 6 | W 9 | WNW 9 | S 11 | WNW 7 | — | — | SSW 9 | W 9 | W 9 | WSW 9 | WSW 9 | W 10 | W 9 | W 9 | W 9 | W 8 | SSW 16 | W 8 | SSW 15 |
| kJ | 38 | 58 | 42 | 28 | 3 | 64 | — | — | 8 | 471 | 320 | 698 | 778 | 767 | 421 | 264 | 185 | 107 | 25 | 29 | 21 |
Swell 2 Height (m) Direction Period (s) | ESE 5 | E 5 | E 5 | SW 11 | — | S 11 | — | — | — | — | — | — | WSW 11 | — | S 18 | S 18 | SW 17 | SW 16 | S 10 | SSW 15 | — |
| kJ | 21 | 14 | 2 | 5 | — | 2 | — | — | — | — | — | — | 234 | — | 6 | 6 | 12 | 10 | 2 | 23 | — |
Swell 3 Height (m) Direction Period (s) | W 8 | W 10 | SW 12 | — | — | S 11 | — | — | — | — | — | — | — | — | — | — | — | S 11 | — | SW 10 | — |
| kJ | 19 | 49 | 5 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 4 | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 6 | WSW 6 | WSW 7 | SW 6 | SW 7 | WSW 9 | WSW 9 | SSW 7 | WSW 9 | — | WSW 8 | — | — | — | — | — | WSW 8 | WSW 6 | W 8 |
| kJ | — | — | 66 | 196 | 397 | 126 | 658 | 2111 | 1215 | 99 | 508 | — | 429 | — | — | — | — | — | 101 | 81 | 573 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 163 | 30 | 16 | 279 | 181 | 453 | 286 | 182 | 181 | 30 | 317 | 64 | 64 | 16 | 163 | 298 | 182 | 174 | 16 | 163 | 182 |
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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