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Surf Forecasts:
Sennen Cove surf forecast from 1 Sep 2026:
- Best quality surf: Saturday 5 Sep, 10AM (local time) - 5ft (1.6m), 11s period, WNW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 4AM (local time) - 7ft (2.2m), 14s period, W swell with 1,957 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 10AM (local time) - 5ft (1.6m), 11s 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 1.6m and 11s 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 2.2m 14s and forecast to arrive on Monday (Sep 07) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s 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) | 5ft (1.6m) 11s |
| Best Surf | 10AM (Sat 5th Sep) | 5ft (1.6m) 11s |
| Most Powerful | 4AM (Mon 7th Sep) | 7ft (2.2m) 14s |
Table - best surf conditions forecast for Sennen Cove over the next 16 days.
The Lowdown
Alright crew, Rusty here. Let’s get into it.
The start of the run is a total bust. You’re looking at a blank stretch of about four days with nothing worth wetting a wetsuit for. The wind is messy and the surf is chopped up.
The first real chance to surf comes on Saturday, September 5th. Sennen Cove is looking glassy that morning with light air. The swell is 5ft from the WNW with a long period of 11 seconds, and the combined energy is a solid 600. That’s a proper groundswell, which can sometimes run a bit straight at a beach break, but with those clean conditions, it’s your best bet. The water is sitting at 64°, which is a touch warmer than usual.
Sunday the 6th is tiny and weak, so don’t bother.
Next up, Friday the 11th of September. The afternoon at Sennen Cove sees an offshore breeze from the East at 16 mph. The swell is 5ft from the West with an 8-second period, and the combined energy is a solid 372. The wind will clean it up nicely, so expect some fun, punchy waves. Just be aware, crowds can be a thing here sometimes.
The stuff around the 15th and 16th is too far out to trust. The models are showing some bigger swell, but the winds are iffy and it’s over a week away.
Bottom line: Saturday the 5th morning for glassy conditions, and Friday the 11th afternoon for clean offshore surf.
Rusty.
Short Range ForecastSome drizzle, heaviest during Thu night. Very mild (max 19°C on Wed night, min 16°C on Fri morning). Winds increasing (light winds from the WSW on Tue afternoon, strong winds from the SSW by Wed morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Sun morning, min 15°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||||
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) | W 9 | W 8 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 8 | W 9 | WNW 11 | WNW 11 | WNW 11 | W 10 | W 9 | W 9 | W 15 | W 13 | W 12 | W 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 177 | 105 | 297 | 438 | 356 | 336 | 345 | 460 | 516 | 390 | 685 | 582 | 407 | 196 | 106 | 52 | 1117 | 1739 | 1469 | 1278 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross | cross-off | cross-off | cross-off | on | on | on | cross-on |
High Tide | 8:12PM5.32m | 8:32AM5.09m | 8:53PM5.03m | 9:16AM4.80m | 9:41PM4.65m | 10:09AM4.45m | 10:43PM4.25m | 11:20AM4.14m | 00:08AM3.97m | 12:55PM4.05m | 1:45AM4.01m | 2:23PM4.30m | 3:02AM4.33m | |||||||
Low Tide | 2:43AM0.50m | 3:00PM0.64m | 3:24AM0.79m | 3:46PM0.94m | 4:14AM1.13m | 4:46PM1.25m | 5:21AM1.44m | 6:07PM1.48m | 6:50AM1.58m | 7:44PM1.46m | 8:23AM1.43m | 9:08PM1.15m | ||||||||
 |  | |  |  |  | |  | | |  | | | | | | | | | | |
 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — |
 | 8:07 | — | — | 8:06 | — | — | 8:02 | — | — | 8:00 | — | — | 7:59 | — | — | 7:57 | — | — | 7:54 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 4 |
Temp °C | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 19 | 16 | 16 | 16 | 15 | 15 | 16 | 18 | 18 | 18 | 17 | 16 | 17 |
Feels °C | 14 | 15 | 13 | 15 | 17 | 17 | 17 | 16 | 14 | 12 | 13 | 15 | 14 | 12 | 14 | 14 | 17 | 15 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | SSW 16 | S 5 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | W 8 | W 9 | WNW 11 | WNW 11 | WNW 11 | W 10 | W 9 | W 9 | W 15 | W 13 | SW 12 | WNW 10 |
| kJ | 177 | 105 | 25 | 35 | 21 | 45 | 47 | 47 | 516 | 390 | 685 | 582 | 407 | 196 | 106 | 52 | 1117 | 1739 | 5 | 173 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 16 | — | SSW 15 | S 18 | S 9 | — | — | SSW 14 | WNW 11 | SSW 14 | SSW 13 | N 4 | SSW 13 | SSW 13 | SE 4 | SE 12 | S 12 | SW 12 | SW 12 |
| kJ | 29 | 25 | — | 45 | 6 | 2 | — | — | 41 | 111 | 20 | 18 | 3 | 17 | 16 | 8 | 23 | 11 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | SW 11 | — | — | — | — | — | — | S 8 | SSW 14 | — | — | SSW 13 | N 4 | — | WNW 9 | SE 4 | — | — | — |
| kJ | — | 5 | — | — | — | — | — | — | 1 | 41 | — | — | 17 | 1 | — | 8 | 4 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | — | N 4 | — | — | — | SE 2 | SE 4 | — | — | — | W 12 | W 11 |
| kJ | — | — | 297 | 438 | 356 | 336 | 345 | 460 | — | 9 | — | — | — | 1 | 12 | — | — | — | 1469 | 1278 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 21 | 21 | 269 | 213 | 21 | 21 | 213 | 240 | 5 | 137 | 20 | 0 | 21 | 5 | 28 | 28 | 5 | 20 | 57 | 57 |
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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