Surf Forecasts:
Carbis Bay surf forecast from 18 Aug 2026:
- Most powerful swell: Thursday 20 Aug, 1PM (local time) - 7.5ft (2.3m), 9s period, WNW swell with 826 kJ wave energy.
Best Forecast Surf Conditions for Carbis Bay this week:
The most powerful waves expected at Carbis Bay in the next 16 days are 2.3m 9s and forecast to arrive on Thursday (Aug 20) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 5s period and expected on Saturday (Aug 22) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Thu 20th Aug) | 7.5ft (2.3m) 9s |
Table - best surf conditions forecast for Carbis Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's break down the long-range forecast for Carbis Bay. It's a bit of a slow burn, so don't get too excited just yet.
For the next week and a half, we're looking at mostly poor conditions. The swell is small and the winds are mostly cross-off or onshore, keeping things messy. We're looking at a long stretch of very little action. The first sign of life comes on Monday, the 30th of August, but it's nothing special. The real gem is waiting for us on the morning of Tuesday, the 1st of September.
Carbis Bay will see a solid pulse building through the 31st, but on Tuesday morning, it's on. We're talking a proper 9.8ft swell from the west, with a period of 10 seconds. The energy is strong, reading 1555 on the dial – that's serious grunt. We've got a moderate offshore wind, which should make for some clean, pulling waves. This is the one to mark on the calendar. However, with waves well over 8ft, this is for the experts only. The lineup will be heavy, and it's not a spot for the faint of heart.
Looking deeper into the second week, Thursday the 27th of August offers a tiny, clean 2ft west-northwest swell with a nice offshore breeze in the afternoon. It's small, but clean. Friday the 28th bumps up to 3.3ft, but the period drops and the wind turns cross-off, making it less appealing. The big one is definitely that Tuesday morning swell. It’s a long way out, so take the details with a grain of salt, but the potential is definitely there.
Most of the other bumps in the swell are let down by short, weak periods or just bad wind directions. The ocean is pretty quiet for most of the window. It's going to be a test of patience, but when that west swell arrives with offshore winds, it'll be a proper session.
Alright, keep your eyes on the horizon. I'll be out there when it all lines up.
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 19°C on Mon night, min 17°C on Mon night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sat morning. Very mild (max 18°C on Sat morning, min 15°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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 6 | WNW 6 | WNW 7 | WNW 9 | WNW 7 | W 8 | WNW 9 | WNW 9 | W 9 | W 8 | W 8 | W 8 | W 10 | W 9 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 13 | WNW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 160 | 160 | 180 | 289 | 225 | 496 | 791 | 552 | 276 | 136 | 76 | 49 | 45 | 25 | 54 | 31 | 51 | 32 | 19 | 18 | 28 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | glassy | off | cross-off |
High Tide | 9:22AM5.33m | 9:41PM5.22m | 10:01AM4.94m | 10:23PM4.75m | 10:47AM4.53m | 11:15PM4.31m | 11:47AM4.18m | 00:28AM4.00m | 1:13PM4.00m | 2:02AM3.94m | 2:43PM4.12m | 3:19AM4.15m | 3:46PM4.44m | ||||||||
Low Tide | 3:41PM0.93m | 4:02AM1.16m | 4:21PM1.36m | 4:43AM1.59m | 5:07PM1.77m | 5:34AM1.98m | 6:12PM2.11m | 6:50AM2.23m | 7:44PM2.23m | 8:26AM2.22m | 9:14PM2.06m | 9:41AM1.94m | 10:14PM1.71m | ||||||||
 | |  | | | | | |  |  | |  |  | | | | | |  | |  | |
 | 6:13 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — |
 | — | 8:36 | — | — | 8:34 | — | — | 8:31 | — | — | 8:30 | — | — | 8:28 | — | — | 8:25 | — | — | 8:23 | — |
mm | — | — | 2 | — | — | 2 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 17 | 18 | 18 | 17 | 18 | 18 | 16 | 17 | 17 | 16 | 18 | 17 | 16 | 16 | 16 | 15 | 17 | 17 | 17 |
Feels °C | 16 | 15 | 14 | 15 | 12 | 12 | 13 | 13 | 14 | 14 | 13 | 12 | 16 | 15 | 12 | 12 | 12 | 12 | 15 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SW 17 | SSW 17 | SSW 16 | SSW 16 | SW 15 | SSW 14 | WNW 9 | W 9 | W 8 | W 8 | W 8 | W 10 | W 9 | W 9 | W 9 | SW 14 | W 8 | W 8 | W 8 | WSW 4 |
| kJ | 28 | 11 | 29 | 24 | 24 | 36 | 21 | 552 | 276 | 136 | 76 | 49 | 45 | 25 | 14 | 14 | 51 | 13 | 12 | 12 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSW 16 | — | — | — | SW 14 | SSW 14 | N 5 | W 8 | SW 16 | N 4 | WNW 7 | SW 15 | SW 14 | W 9 | SW 14 | SSW 14 | SSW 13 | WNW 12 |
| kJ | — | — | — | 24 | — | — | — | 33 | 19 | 27 | 12 | 39 | 4 | 9 | 54 | 31 | 14 | 32 | 19 | 18 | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSW 13 | SSW 13 | SSW 16 | SSW 15 | SE 5 | SE 5 | WNW 5 | W 6 | N 5 | N 5 | N 4 | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | 17 | 17 | 49 | 21 | 4 | 1 | 3 | 1 | 2 | 2 | 2 | 11 |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | WNW 7 | WNW 9 | WNW 7 | W 8 | WNW 9 | — | N 6 | N 5 | N 5 | N 5 | — | N 6 | N 5 | N 5 | N 4 | N 4 | — | — | — |
| kJ | 160 | 160 | 180 | 289 | 225 | 496 | 791 | — | 29 | 2 | 16 | 20 | — | 22 | 21 | 20 | 9 | 2 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 300 | 211 | 180 | 213 | 211 | 300 | 162 | 211 | 11 | 8 | 22 | 97 | 6 | 12 | 273 | 273 | 23 | 245 | 395 | 504 | 188 |
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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