Surf Forecasts:
Carbis Bay surf forecast from 15 Sep 2026:
- Best quality surf: Sunday 20 Sep, 7AM (local time) - 5ft (1.5m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Friday 18 Sep, 7AM (local time) - 7ft (2.2m), 13s period, WNW swell with 1,630 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 7AM (local time) - 5ft (1.5m), 10s period with W swell.
Best Forecast Surf Conditions for Carbis Bay this week:
The surf forecast for Carbis Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 7AM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 0.1m and 14s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Carbis Bay in the next 16 days are 2.2m 13s and forecast to arrive on Friday (Sep 18) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 6s period and expected on Tuesday (Sep 22) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sun 20th Sep) | 5ft (1.5m) 10s |
| Best Surf | 7AM (Sun 20th Sep) | 5ft (1.5m) 10s |
| Most Powerful | 7AM (Fri 18th Sep) | 7ft (2.2m) 13s |
Table - best surf conditions forecast for Carbis Bay over the next 16 days.
The Lowdown
Alright, let me switch to feet and miles for you now.
First thing, the water temp at Carbis Bay is about 63°F—a touch warmer than normal for September, so it’s a nice little bonus when you’re sittin’ out there.
Tuesday the 15th is a hard pass. We’ve got a 6ft swell from the west, but with that cross-off wind blowin’ 18-22 mph, the energy is weak to moderate (418). Not worth paddlin’ out. Wednesday the 16th brings a bump to 8ft from the WNW with an 11-second period, energy jumpin’ to 1207. Morning’s cross-shore and choppy, but the afternoon cleans up with a lighter cross-off breeze. Still only marginal.
Thursday the 17th is trash again—6-7ft and windy. Friday the 18th is the first real glimmer: 7ft from the WNW, 13-second period, energy at 1436. By afternoon, we get an offshore breeze from the SW, so those waves will be clean, lined up, and pushy. That’s your call for the week if you want some proper waves without the mess.
Saturday the 19th fades fast—6ft with a short 7-second period. Sunday the 20th is small, 4-5ft, but light wind keeps it clean. Then Monday the 21st—glass. Glassy morning with a 3ft west swell, 12-second period, energy at 316. For a log or a midsized single-fin, that’s heaven. The standout of the first week for clean, fun little waves.
Then comes a long dry spell. From Tuesday the 22nd through Friday the 25th, it’s all under 3ft with onshore or cross-shore winds—basically flat and choppy. A full four days of nothin’.
But then, Saturday the 26th of September—holy moly. A massive 10ft west swell with a 16-second period, energy at 3791. That is serious. Only for experts, and the cross-shore wind at 15 mph will leave some bump on the face, but the power is enormous. If you’ve got the skills and the cojones, that’s your day. Sunday the 27th drops to 5ft, and by Monday the 28th we’re back to tiny slop.
So bottom line: Monday the 21st is your glassy small-wave gem. Saturday the 26th is the big-wave bomb for the brave. The week in between is a total dead zone—perfect for repairin’ dings and swappin’ stories.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Very mild (max 16°C on Tue morning, min 14°C on Wed morning). Mainly fresh winds. | Days 4-6 Weather SummarySome drizzle, heaviest during Fri afternoon. Very mild (max 18°C on Sun afternoon, min 15°C on Fri afternoon). Winds decreasing (fresh winds from the W on Fri afternoon, calm by Sun night). | ||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||
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) | W 8 | W 8 | WNW 9 | WNW 11 | WNW 11 | W 10 | W 8 | W 8 | WNW 8 | WNW 13 | W 12 | W 7 | W 8 | W 7 | W 10 | W 10 | W 10 | W 10 | W 12 | WNW 12 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 418 | 428 | 675 | 1207 | 778 | 656 | 573 | 708 | 533 | 1430 | 1134 | 320 | 328 | 236 | 494 | 417 | 307 | 230 | 309 | 228 | 177 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-on | on |
High Tide | 8:26PM5.62m | 8:42AM5.42m | 9:01PM5.18m | 9:18AM5.01m | 9:39PM4.71m | 9:59AM4.57m | 10:25PM4.26m | 10:54AM4.16m | 11:36PM3.89m | 12:25PM3.91m | 1:26AM3.80m | 2:10PM4.03m | 2:51AM4.05m | ||||||||
Low Tide | 2:27PM0.55m | 2:44AM0.79m | 3:01PM0.94m | 3:17AM1.21m | 3:37PM1.37m | 3:54AM1.64m | 4:22PM1.80m | 4:44AM2.04m | 5:26PM2.16m | 6:03AM2.32m | 7:05PM2.31m | 7:48AM2.30m | 8:41PM2.10m | ||||||||
 | |  |  |  |  | | |  | |  | | | |  | | | | | | | |
 | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | 7:36 | — | — | 7:34 | — | — | 7:31 | — | — | 7:30 | — | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — |
mm | — | — | — | — | — | 2 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 15 | 16 | 17 | 17 | 17 | 17 | 16 | 17 | 18 | 17 | 18 | 18 | 17 |
Feels °C | 11 | 10 | 12 | 11 | 11 | 11 | 11 | 9 | 8 | 11 | 12 | 14 | 14 | 15 | 15 | 17 | 17 | 19 | 19 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | WNW 11 | WNW 11 | N 6 | — | S 13 | WNW 10 | SW 12 | W 12 | WNW 12 | SW 16 | WNW 10 | W 10 | W 10 | W 10 | W 10 | W 12 | WNW 12 | WNW 10 |
| kJ | 2 | 2 | 2 | 1207 | 778 | 9 | — | 3 | 392 | 6 | 1134 | 161 | 10 | 128 | 494 | 417 | 307 | 230 | 309 | 228 | 177 |
Swell 2 Height (m) Direction Period (s) | — | — | S 11 | S 11 | N 6 | S 13 | — | — | S 13 | S 18 | S 17 | SW 16 | S 12 | SW 15 | SW 14 | SW 14 | SW 14 | WNW 13 | SW 13 | SW 13 | SW 13 |
| kJ | — | — | 2 | 2 | 30 | 4 | — | — | 3 | 6 | 6 | 10 | 3 | 9 | 8 | 8 | 8 | 68 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 18 | S 12 | S 12 | — | — | — | S 11 | — | SW 13 | — | — | SW 13 |
| kJ | — | — | — | — | — | — | — | — | — | 6 | 3 | 3 | — | — | — | 2 | — | 7 | — | — | 7 |
Wind waves Height (m) Direction Period (s) | W 8 | W 8 | WNW 9 | — | — | W 10 | W 8 | W 8 | WNW 8 | WNW 13 | — | W 7 | W 8 | W 7 | — | — | — | — | — | — | SE 6 |
| kJ | 418 | 428 | 675 | — | — | 656 | 573 | 708 | 533 | 1430 | — | 320 | 328 | 236 | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 213 | 213 | 82 | 11 | 213 | 212 | 506 | 553 | 172 | 213 | 222 | 385 | 222 | 222 | 162 | 0 | 0 | 0 | 0 | 8 | 5 |
Best forecast wave conditions in North Cornwall | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Carbis Bay Surf forecast
The above surf forecast table for Carbis Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Carbis Bay can be found by selecting the local surf guide option on the grey menu. Our Carbis Bay 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 (Carbis Bay) 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 Carbis Bay 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.
Carbis Bay is 10 km (6 miles) from Camborne. If you plan a holiday in North Cornwall, look for hotels and other accommodation in Camborne. Camborne has rooms for a wide range of budgets as well as car hire and transport links.
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