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Surf Forecasts:
Slade Bay/Boot Reef surfForecast / Wales – Gower / UK
12 Day Weather and Surf, issued 6 am Thursday 18 Sep 2025 BST
Best Forecast Surf Conditions for Slade Bay/Boot Reef this week:
The most powerful waves expected at Slade Bay/Boot Reef in the next 12 days are 2.3m 12s and forecast to arrive on Thursday (Sep 18) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Monday (Sep 22) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Thu 18th Sep) | 7.5ft (2.3m) 12s |
Table - best surf conditions forecast for Slade Bay/Boot Reef over the next 12 days.
Short Range Forecast Light rain (total 4mm), mostly falling on Thu morning. Very mild (max 18°C on Fri morning, min 13°C on Sat night). Winds increasing (light winds from the SSW on Fri night, near gales from the SW by Sat night). | Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun night. Very mild (max 15°C on Sun morning, min 10°C on Sun night). Winds decreasing (near gales from the SW on Sun morning, light winds from the E by Tue night). | ||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 9 | 10 | 10 | 9 | 9 | 9 | 6 | 9 | 7 | 7 | 6 | 13 | 13 | 12 | 3 | 13 | 11 | 11 | 10 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 1485 | 1176 | 680 | 638 | 506 | 248 | 154 | 90 | 91 | 644 | 169 | 44 | 7 | 7 | 6 | 6 | 0 | 12 | 25 | 40 | 51 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | cross- on | on | cross- on | cross- on | cross- on | cross- on | off | off | off | cross- off | off | off | off | cross- off | cross- on | glass | cross- off |
High Tide / height (m) | 4:58PM 6.82 | 5:27AM 6.88 | 5:47PM 7.39 | 6:10AM 7.39 | 6:27PM 7.86 | 6:46AM 7.80 | 7:02PM 8.19 | 7:19AM 8.08 | 7:34PM 8.36 | 7:50AM 8.21 | 8:05PM 8.36 | 8:20AM 8.18 | 8:35PM 8.20 | ||||||||
Low Tide / height (m) | 10:52AM 2.16 | 11:24PM 1.71 | 11:42AM 1.61 | 12:07AM 1.22 | 12:21PM 1.14 | 12:42AM 0.82 | 12:54PM 0.78 | 1:13AM 0.56 | 1:24PM 0.55 | 1:42AM 0.43 | 1:53PM 0.45 | 2:10AM 0.45 | 2:22PM 0.51 | 2:37AM 0.62 | |||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| Sunrise | 6:54 | - | - | 6:56 | - | - | 6:58 | - | - | 7:00 | - | - | 7:01 | - | - | 7:03 | - | - | 7:05 | - | - |
| Sunset | - | 7:24 | - | - | 7:22 | - | - | 7:21 | - | - | 7:17 | - | - | 7:15 | - | - | 7:14 | - | - | 7:10 | - |
 |  |  | | |  | |  |  |  | |  | | |  |  | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | 2 | 1 | - | - | 2 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 18 | 18 | 16 | 17 | 18 | 14 | 15 | 14 | 11 | 11 | 13 | 12 | 14 | 14 | 14 | 12 | 14 | 14 |
| Feels °C (?) | 13 | 13 | 13 | 17 | 16 | 16 | 16 | 15 | 4 | 12 | 7 | 2 | 2 | 6 | 7 | 11 | 10 | 12 | 10 | 13 | 13 |
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Recent Eyeball Surf Reports for Wales - Gower
Cross-shore wind has turned cross-on at Llangennith (strong winds from the SW at Llethryd Barns 12 km from Llangennith). A 2.2m groundswell from the WSW
1 h 13 min ago
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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 Slade Bay/Boot Reef 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 Slade Bay/Boot Reef Surf forecast
The above surf forecast table for Slade Bay/Boot Reef provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Slade Bay/Boot Reef can be found by selecting the local surf guide option on the grey menu. Our Slade Bay/Boot Reef 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 (Slade Bay/Boot Reef) 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 Slade Bay/Boot Reef 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.
Slade Bay/Boot Reef is 19 km (12 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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