Surf Forecasts:
Three Cliffs Bay surf forecast from 20 Aug 2026:
- Best quality surf: Thursday 20 Aug, 10PM (local time) - 3ft (0.9m), 7s period, W swell with offshore winds.
- Most powerful swell: Wednesday 26 Aug, 1PM (local time) - 4.5ft (1.4m), 8s period, SW swell with 223 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 10PM (local time) - 3ft (0.9m), 7s period with W swell.
Best Forecast Surf Conditions for Three Cliffs Bay this week:
The surf forecast for Three Cliffs Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 10PM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.6m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Three Cliffs Bay in the next 16 days are 1.4m 8s and forecast to arrive on Wednesday (Aug 26) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Thursday (Aug 20) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Thu 20th Aug) | 3ft (0.9m) 7s |
| Best Surf | 10PM (Thu 20th Aug) | 3ft (0.9m) 7s |
| Most Powerful | 1PM (Wed 26th Aug) | 4.5ft (1.4m) 8s |
Table - best surf conditions forecast for Three Cliffs Bay over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Fri afternoon. Very mild (max 19°C on Sat afternoon, min 13°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu afternoon, calm by Sat morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Mon afternoon, min 15°C on Sun morning). Winds increasing (calm on Sun afternoon, fresh winds from the ESE by Tue afternoon). | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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 7 | W 7 | WSW 9 | WSW 8 | WSW 8 | W 8 | W 10 | WSW 10 | WSW 9 | W 9 | WSW 14 | SW 10 | SW 9 | E 4 | ESE 4 | ESE 4 | SE 4 | SSW 4 | SSW 7 | SW 7 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 285 | 198 | 132 | 54 | 22 | 35 | 17 | 18 | 16 | 8 | 18 | 24 | 13 | 9 | 21 | 20 | 3 | 11 | 183 | 193 | 108 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | cross-off | cross-off | glassy | cross-off | cross-off | cross | glassy | cross-off | cross | cross | cross | cross | cross | cross-on | cross-on | on | cross-on |
High Tide | 11:56AM6.32m | 00:23AM6.02m | 12:52PM5.80m | 1:31AM5.54m | 2:16PM5.50m | 3:07AM5.42m | 3:51PM5.63m | 4:30AM5.72m | 4:59PM6.09m | 5:25AM6.23m | 5:45PM6.67m | 6:06AM6.78m | 6:23PM7.25m | ||||||||
Low Tide | 6:04PM2.43m | 6:31AM2.73m | 7:09PM2.91m | 7:50AM3.10m | 8:44PM3.11m | 9:29AM3.09m | 10:16PM2.89m | 10:45AM2.71m | 11:17PM2.42m | 11:36AM2.19m | 00:01AM1.88m | 12:15PM1.66m | 00:37AM1.35m | ||||||||
 |  |  | | | | | |  | | | |  |  | | | | | |  |  | |
 | 6:07 | — | — | 6:09 | — | — | 6:11 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — |
 | — | 8:30 | — | — | 8:28 | — | — | 8:24 | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 | — |
mm | 1 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 3 |
Temp °C | 18 | 18 | 15 | 16 | 17 | 16 | 16 | 19 | 15 | 18 | 21 | 19 | 21 | 24 | 20 | 22 | 22 | 19 | 21 | 17 | 17 |
Feels °C | 13 | 13 | 11 | 12 | 14 | 14 | 14 | 15 | 11 | 16 | 18 | 16 | 16 | 19 | 13 | 16 | 16 | 17 | 19 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | WSW 9 | WSW 8 | WSW 6 | W 8 | W 10 | WSW 10 | WSW 9 | W 9 | WSW 14 | SW 10 | SW 9 | SW 9 | W 9 | W 8 | SE 4 | SW 8 | W 9 | SW 7 | W 9 |
| kJ | 8 | 8 | 132 | 54 | 12 | 35 | 17 | 18 | 16 | 6 | 18 | 24 | 13 | 3 | 6 | 5 | 3 | 2 | 6 | 193 | 108 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 14 | SW 13 | WSW 8 | SW 13 | SW 15 | SW 15 | SW 15 | SW 14 | W 9 | SW 14 | SW 14 | W 9 | SW 13 | SW 8 | ENE 3 | W 8 | S 13 | W 8 | SW 8 |
| kJ | 8 | 8 | 8 | 7 | 22 | 7 | 9 | 8 | 8 | 8 | 6 | 8 | 8 | 6 | 7 | 3 | 2 | 5 | 3 | 21 | 59 |
Swell 3 Height (m) Direction Period (s) | — | — | W 9 | SW 16 | SW 13 | SW 16 | SW 15 | — | SW 12 | — | — | SW 14 | W 10 | SW 14 | SW 9 | SW 13 | SW 8 | SW 9 | — | W 11 | SW 8 |
| kJ | — | — | 59 | 11 | 7 | 10 | 9 | — | 6 | — | — | 8 | 2 | 7 | 3 | 7 | 3 | 3 | — | 3 | 34 |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | NNW 4 | NNW 3 | NW 3 | — | — | — | NNW 3 | — | — | — | E 3 | E 4 | ESE 4 | ESE 4 | — | SSW 4 | SSW 7 | WSW 7 | — |
| kJ | 285 | 198 | 15 | 4 | 1 | — | — | — | 1 | — | — | — | 5 | 9 | 21 | 20 | — | 11 | 183 | 74 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 423 | 321 | 0 | 7 | 140 | 8 | 50 | 124 | 13 | 66 | 164 | 8 | 387 | 310 | 385 | 164 | 160 | 83 | 13 | 47 | 13 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
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 Three Cliffs Bay 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 Three Cliffs Bay Surf forecast
The above surf forecast table for Three Cliffs Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Three Cliffs Bay can be found by selecting the local surf guide option on the grey menu. Our Three Cliffs 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 (Three Cliffs 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 Three Cliffs 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.
Three Cliffs Bay is 13 km (8 miles) from Swansea. If you plan a holiday in Wales - Gower, look for hotels and other accommodation in Swansea. Swansea has rooms for a wide range of budgets as well as car hire and transport links.
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