Surf Forecasts:
Kennack Sands surf forecast from 3 Sep 2026:
- Most powerful swell: Sunday 6 Sep, 10AM (local time) - 3ft (0.9m), 4s period, SE swell with 31 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 0.9m 4s and forecast to arrive on Sunday (Sep 06) at 10AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 13s period and expected on Monday (Sep 07) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Sun 6th Sep) | 3ft (0.9m) 4s |
Table - best surf conditions forecast for Kennack Sands over the next 16 days.
The Lowdown
Alright, mates, Rusty here. Let’s cut to the chase: this 16-day window is a total bust. The only break we’ve got on the radar is Kennack Sands, and it’s not giving us a single decent session.
Right now, and for the next two weeks, the swell is tiny to nonexistent. The biggest bump we see is a 4ft SE swell on Sunday, September 6th, but it’s junk – short period of 5 seconds, onshore wind, and the combined energy of all swells directed here is only 63 (weak energy). It’s a poor surf condition. For a sheltered spot like Kennack Sands, that’s a hard pass.
The water temperature is 64°F, which is about 2°F warmer than average for this time of year – a touch warmer, but not enough to sweeten a flat spell.
It’s a long, dry stretch. From Thursday, September 3rd, all the way through Friday, September 18th, every single session is rated poor. There are a few glassy mornings, like Saturday the 5th morning with 0.7ft of SSW swell and glassy wind, but it’s so small it’s barely a ripple. A couple of offshore wind days pop up, like Friday the 4th morning with 0.7ft of SSW swell and offshore WNW wind, but again, no power.
There’s no standout. Nothing. If you’re into kiting, the onshore wind on the 6th might be your thing, but for a paddle surfer, this is a total washout. Kennack Sands is an inconsistent, sheltered beginner spot, and it’s showing its true colors – it rarely breaks with any quality. A blank run like this is normal for this area, given the swell window.
Stay patient, and check back in – things can change. But for now, save the wax.
Rusty.
Short Range ForecastSome drizzle, heaviest during Fri morning. Very mild (max 19°C on Thu afternoon, min 15°C on Fri night). Winds decreasing (fresh winds from the SW on Thu night, calm by Sat morning). | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Mon night. Very mild (max 18°C on Sun afternoon, min 13°C on Mon night). Winds increasing (light winds from the SW on Sun afternoon, strong winds from the WSW by Mon night). | |||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||
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 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SE 4 | SE 4 | ESE 4 | W 13 | WSW 12 | W 10 | W 9 | W 10 | S 11 | S 11 | S 10 | WSW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 45 | 22 | 20 | 20 | 20 | 18 | 17 | 17 | 31 | 18 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | off | cross-off | off | glassy | cross-on | cross-on | on | cross-on | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on |
High Tide | 9:40PM4.21m | 10:08AM4.04m | 10:41PM3.85m | 11:20AM3.76m | 00:07AM3.59m | 12:55PM3.67m | 1:45AM3.60m | 2:23PM3.87m | 3:02AM3.84m | 3:28PM4.21m | 3:59AM4.16m | 4:20PM4.57m | ||||||||
Low Tide | 4:06PM0.73m | 4:32AM0.90m | 5:02PM1.02m | 5:34AM1.19m | 6:15PM1.25m | 6:56AM1.35m | 7:48PM1.26m | 8:27AM1.25m | 9:14PM1.00m | 9:42AM0.94m | 10:17PM0.61m | 10:38AM0.56m | 11:08PM0.24m | |||||||
 |  |  |  |  |  | | | | | | | |  | | | | | |  | |
 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — |
 | 8:00 | — | — | 7:59 | — | — | 7:57 | — | — | 7:54 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | 17 |
Temp °C | 19 | 19 | 17 | 17 | 16 | 15 | 15 | 16 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 16 | 18 |
Feels °C | 17 | 16 | 15 | 13 | 13 | 15 | 12 | 13 | 15 | 15 | 17 | 12 | 13 | 13 | 9 | 9 | 9 | 12 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | W 9 | W 9 | W 10 | W 12 | W 11 | W 10 | W 9 | W 9 | W 9 | W 13 | WSW 12 | — | W 9 | SW 11 | S 11 | S 11 | W 8 | W 14 |
| kJ | 45 | 22 | 773 | 635 | 716 | 800 | 546 | 234 | 106 | 74 | 71 | 2124 | 1513 | — | 1184 | 5 | 2 | 2 | 387 | 4 |
Swell 2 Height (m) Direction Period (s) | S 9 | — | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SE 4 | SW 16 | SW 12 | — | — | — | — | — | S 10 | S 10 | — |
| kJ | 2 | — | 20 | 20 | 20 | 18 | 17 | 17 | 16 | 18 | 67 | 6 | — | — | — | — | — | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSW 12 | ESE 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 15 | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 8 | — | — | — | — | — | SE 2 | SE 4 | — | WSW 4 | — | — | W 10 | — | W 10 | W 10 | W 8 | — | WSW 8 |
| kJ | 316 | 480 | — | — | — | — | — | 1 | 31 | — | 35 | — | — | 1403 | — | 1065 | 815 | 516 | — | 540 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 181 | 195 | 101 | 186 | 101 | 8 | 29 | 8 | 90 | 33 | 30 | 186 | 182 | 238 | 523 | 187 | 195 | 195 | 47 | 283 |
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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