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Surf Forecasts:
Sennen Cove surf forecast from 28 Aug 2026:
- Most powerful swell: Saturday 29 Aug, 4PM (local time) - 11ft (3.5m), 10s period, WSW swell with 2,394 kJ wave energy.
Best Forecast Surf Conditions for Sennen Cove this week:
The most powerful waves expected at Sennen Cove in the next 16 days are 3.5m 10s and forecast to arrive on Saturday (Aug 29) at 4PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Sat 29th Aug) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Sennen Cove over the next 16 days.
The Lowdown
Gather 'round, me lovers. Rusty here, and I've got the lowdown on Sennen Cove. I've got to be straight with you – it's a tough watch for the next couple of weeks. The ocean's throwing plenty of power at us, but the wind just won't do us any favours. We're looking at a long, frustrating stretch of blown-out and messy conditions right through.
The first real chance we get is on Wednesday, September 9th in the morning. We've got a 7ft swell rolling in from the west, with a period of 9 seconds, and the wind turns light and offshore. That's the golden ticket – clean, lined-up waves. The combined energy is moderate (885), so there's some push there. The water's a touch warmer than normal at 65°, which is a nice little bonus. Sennen is always a consistent spot, but with crowds possible here, you'll want to be in the water early to snag the best ones.
Before that, it's a write-off. We've got massive swell – 12ft to 16ft – but it's getting smashed by near gale to strong breeze cross-onshore winds. That's not surf for anyone; it's just a washing machine. The periods are short, too, so it's all wind-chop. After the 9th, it gets messy again with cross-onshore winds and dropping swell. A few of those days in the second week see light winds, but the swell drops off, leaving small, choppy lines. There's a brief bump on Monday the 7th with 10ft to 12ft swell, but it's cross-onshore again – frustrating.
So, the one and only standout is the morning of Wednesday, September 9th at Sennen Cove. Get in, get wet, and enjoy a rare clean session. Everything else is a battle.
Rusty
Short Range ForecastHeavy rain (total 27mm), heaviest during Fri night. Very mild (max 19°C on Fri night, min 17°C on Fri night). Winds increasing (moderate winds from the WSW on Sat night, near gales from the W by Sun night). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Wed morning. Very mild (max 19°C on Wed morning, min 16°C on Mon afternoon). Winds increasing (light winds from the W on Mon night, strong winds from the SW by Wed morning). | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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 6 | SW 6 | SW 8 | WSW 10 | WSW 9 | WSW 9 | WSW 8 | W 9 | W 10 | W 10 | W 10 | W 9 | W 8 | W 8 | WNW 7 | WSW 6 | W 8 | W 8 | W 8 | WSW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 226 | 142 | 1205 | 2394 | 851 | 644 | 919 | 2166 | 1297 | 882 | 464 | 264 | 234 | 153 | 91 | 325 | 454 | 387 | 350 | 486 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on |
High Tide | 5:55PM5.29m | 6:12AM5.17m | 6:27PM5.47m | 6:44AM5.30m | 7:00PM5.53m | 7:18AM5.34m | 7:35PM5.49m | 7:53AM5.27m | 8:12PM5.32m | 8:32AM5.09m | 8:53PM5.03m | 9:16AM4.80m | 9:41PM4.65m | |||||||
Low Tide | 00:28AM0.33m | 12:38PM0.32m | 1:00AM0.21m | 1:11PM0.25m | 1:33AM0.20m | 1:45PM0.28m | 2:07AM0.30m | 2:21PM0.42m | 2:43AM0.50m | 3:00PM0.64m | 3:24AM0.79m | 3:46PM0.94m | ||||||||
 |  |  |  |  |  | |  |  | | | | | |  | |  | | | | |
 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — |
 | 8:15 | — | — | 8:14 | — | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — | — | 8:06 | — | — | 8:02 | — |
mm | — | 12 | 4 | — | — | 6 | 4 | 1 | — | — | — | — | — | — | 2 | — | — | — | — | — |
Temp °C | 18 | 19 | 18 | 18 | 19 | 18 | 18 | 17 | 17 | 16 | 17 | 17 | 18 | 17 | 19 | 19 | 18 | 17 | 18 | 17 |
Feels °C | 12 | 12 | 10 | 10 | 15 | 12 | 12 | 8 | 13 | 12 | 15 | 15 | 16 | 15 | 13 | 14 | 13 | 11 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 11 | WNW 8 | — | — | WSW 9 | N 5 | — | — | W 10 | W 10 | W 10 | N 5 | SW 17 | SSW 16 | WNW 7 | SSW 15 | SSW 6 | W 8 | SSW 15 | WNW 10 |
| kJ | 5 | 12 | — | — | 851 | 2 | — | — | 1297 | 882 | 464 | 2 | 12 | 25 | 91 | 22 | 64 | 387 | 46 | 42 |
Swell 2 Height (m) Direction Period (s) | SW 11 | SW 11 | — | — | NNW 6 | — | — | — | — | S 7 | N 5 | SW 18 | — | SW 11 | SSW 16 | — | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 5 | 5 | — | — | 42 | — | — | — | — | 25 | 7 | 12 | — | 5 | 25 | — | 21 | 44 | 45 | 45 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSW 9 | — | — | — | — | — | S 18 | SW 18 | S 12 | SW 11 | S 10 | — | SSW 9 | SSW 15 | — | — |
| kJ | — | — | — | — | 17 | — | — | — | — | — | 6 | 12 | 3 | 5 | 2 | — | 8 | 44 | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | SW 6 | SW 8 | WSW 10 | — | WSW 9 | WSW 8 | W 9 | — | — | — | W 9 | W 8 | W 8 | SW 4 | WSW 6 | W 8 | — | W 8 | WSW 8 |
| kJ | 226 | 142 | 1205 | 2394 | — | 644 | 919 | 2166 | — | — | — | 264 | 234 | 153 | 20 | 325 | 454 | — | 350 | 486 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 184 | 588 | 589 | 179 | 94 | 95 | 94 | 184 | 45 | 179 | 21 | 20 | 184 | 21 | 506 | 740 | 254 | 717 | 206 | 206 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sennen Cove surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Sennen Cove Surf forecast
The above surf forecast table for Sennen Cove provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sennen Cove can be found by selecting the local surf guide option on the grey menu. Our Sennen Cove 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 (Sennen Cove) 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 Sennen Cove 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.
Are you planning a holiday in North Cornwall? If you are looking for accommodation near Sennen Cove, camping, hotels and holiday cottages in North Cornwall, consider staying in Penzance which is 12 km (7 miles) away. Other places in and around North Cornwall where you can find information about places to rent, and car hire include Camborne which is 31 km (19 miles) away, The Lizard, Penryn and Falmouth.
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