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Surf Forecasts:
Sennen Cove surf forecast from 5 Sep 2026:
- Best quality surf: Saturday 5 Sep, 10AM (local time) - 6ft (1.8m), 12s period, WNW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 7AM (local time) - 8ft (2.5m), 13s period, W swell with 2,182 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 10AM (local time) - 6ft (1.8m), 12s period with WNW swell.
Best Forecast Surf Conditions for Sennen Cove this week:
The surf forecast for Sennen Cove over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 05) at 10AM. The primary swell is predicted to be 1.8m and 12s period with a secondary swell of 0.2m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Sennen Cove in the next 16 days are 2.5m 13s and forecast to arrive on Monday (Sep 07) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Sep 06) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sat 5th Sep) | 6ft (1.8m) 12s |
| Best Surf | 10AM (Sat 5th Sep) | 6ft (1.8m) 12s |
| Most Powerful | 7AM (Mon 7th Sep) | 8ft (2.5m) 13s |
Table - best surf conditions forecast for Sennen Cove over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what Sennen Cove has got cookin’ for us over the next couple of weeks.
Right off the bat, we’ve got a real gem landin’ on Saturday morning, the 5th of September. That’s your standout window. We’re lookin’ at a clean 6 ft swell rollin’ in from the WNW with a solid 12-second period – that’s proper groundswell with some grunt. The wind’s glassy, just a whisper from the SSW at 3 mph, so the surface is gonna be like a mirror. The combined energy is up there at 946, which is a good, solid push. This is your moment, get out there early. Sennen is exposed to the west, and this swell is bang on from the optimum direction, so it’ll wrap in nicely. Water temp’s about average for the time of year, so nothin’ freaky there.
Now, Saturday afternoon the wind swings southerly and cranks up to 12 mph, turning it cross-shore and choppy. The swell drops a touch to 5 ft, but the quality falls off a cliff. Sunday morning the 6th is clean but small – 3 ft with a 9-second period – just not enough juice to get excited about. The rest of that week and into the next is a real write-off. From Monday morning the 7th right through to the end of the 16-day run, it’s mostly onshore, bumpy, and messy. We’ve got a big spike Monday morning with 8 ft from the west at 13 seconds, but it’s got onshore winds of 16 mph and the combined energy is a whopping 2115 – that’s serious power, but it’s all blown out. For a beach break like Sennen, that’s going to be a foamy, straight-shore mess. That’s a setup that looks more interesting for kite surfing than paddle surfing.
There’s a massive gap here. After that Saturday morning session, the next time you see a glassy window is on Saturday the 19th of September, but that’s only 2 ft of swell. Not worth paddling out for. The whole second week is just a lesson in frustration – onshore winds and choppy seas. The closest thing to a decent wave after the first weekend is the 10th of September, but even that’s a marginal call with onshore winds.
So, to keep it simple: Saturday morning, the 5th of September is your one and only standout. Get it while it’s glassy and clean. After that, it’s a long, dry spell with nothing to recommend. The long-range looks poor, but forecasts can change, and this coast tends not to stay flat for long. Keep an eye on it.
Rusty.
Short Range ForecastMostly dry. Very mild (max 19°C on Sun afternoon, min 15°C on Sat morning). Winds increasing (calm on Sat morning, fresh winds from the SE by Sat night). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Mon night. Very mild (max 19°C on Thu morning, min 15°C on Mon night). Winds decreasing (fresh winds from the WSW on Wed night, light winds from the WSW by Thu afternoon). | ||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||
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) | WNW 12 | W 11 | W 10 | W 9 | W 9 | WSW 16 | W 13 | W 12 | W 10 | W 10 | W 10 | WNW 9 | WNW 8 | WNW 8 | W 6 | W 7 | W 8 | W 10 | W 9 | W 9 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 928 | 555 | 240 | 106 | 76 | 337 | 2101 | 1597 | 1302 | 625 | 928 | 692 | 344 | 310 | 128 | 478 | 572 | 838 | 528 | 389 | 333 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross-off | cross-off | cross | on | on | on | on | on | on | cross-on | on | on | cross-on | on | on | on | cross-on | cross-on | on |
High Tide | 11:20AM4.14m | 00:08AM3.97m | 12:55PM4.05m | 1:45AM4.01m | 2:23PM4.30m | 3:02AM4.33m | 3:28PM4.72m | 3:58AM4.72m | 4:20PM5.15m | 4:45AM5.08m | 5:03PM5.49m | 5:26AM5.36m | 5:44PM5.69m | ||||||||
Low Tide | 5:21AM1.44m | 6:07PM1.48m | 6:50AM1.58m | 7:44PM1.46m | 8:23AM1.43m | 9:08PM1.15m | 9:35AM1.08m | 10:10PM0.73m | 10:30AM0.67m | 11:00PM0.35m | 11:16AM0.34m | 11:42PM0.08m | 11:56AM0.11m | 00:20AM-0.05m | |||||||
 | |  |  |  | | | |  | | | | | |  | | |  | | | | |
 | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:47 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 7:59 | — | — | 7:57 | — | — | 7:54 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — |
mm | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | 2 | — | — | — | — | — | 3 |
Temp °C | 16 | 16 | 16 | 18 | 19 | 19 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 18 | 19 | 19 | 18 | 17 | 16 | 17 |
Feels °C | 14 | 13 | 13 | 15 | 18 | 15 | 13 | 13 | 11 | 10 | 9 | 9 | 10 | 10 | 15 | 18 | 18 | 18 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | W 11 | W 10 | W 9 | W 9 | WSW 16 | W 13 | SW 12 | W 10 | WNW 10 | SW 11 | S 11 | WNW 10 | S 10 | WNW 9 | W 12 | W 11 | W 10 | — | S 16 | — |
| kJ | 928 | 555 | 240 | 106 | 76 | 337 | 2101 | 5 | 1302 | 235 | 5 | 2 | 108 | 2 | 61 | 11 | 21 | 838 | — | 5 | — |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SE 4 | W 11 | SSW 12 | — | SW 11 | WNW 12 | — | S 11 | S 10 | — | N 5 | N 6 | — | — | — | — | — |
| kJ | 18 | 17 | 17 | 16 | 14 | 89 | 14 | — | 5 | 29 | — | 2 | 2 | — | 4 | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSW 12 | S 5 | — | — | SW 12 | SW 11 | — | — | W 15 | — | W 13 | — | — | — | — | — | — |
| kJ | — | — | — | — | 15 | 12 | — | — | 5 | 5 | — | — | 4 | — | 3 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 3 | SSE 5 | — | W 9 | — | W 12 | — | W 10 | W 10 | WNW 9 | WNW 8 | WNW 8 | W 6 | W 7 | W 8 | — | W 9 | W 9 | WNW 8 |
| kJ | — | — | 2 | 37 | — | 153 | — | 1597 | — | 625 | 928 | 692 | 344 | 310 | 128 | 478 | 572 | — | 528 | 389 | 333 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 21 | 21 | 158 | 213 | 57 | 553 | 94 | 94 | 94 | 206 | 273 | 389 | 213 | 213 | 213 | 213 | 94 | 137 | 206 | 117 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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