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Crab Island Surf Forecast
/ Wales – Gower (29 surf breaks) /
Surf Forecasts:
Crab Island surfForecast / Wales – Gower / UK
12 Day Weather and Surf, issued 5 am Wednesday 26 Nov 2025 GMTForecast update in hr min s Forecast update imminent
Crab Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Crab Island sea temperature is
11.5° C
(Which is slightly cooler than normal)Best Forecast Surf Conditions for Crab Island this week:
The surf forecast for Crab Island over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 28) at 3PM. The primary swell is predicted to be 3.5m and 9s period with a secondary swell of 1.3m and 14s. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Crab Island in the next 12 days are 4.0m 10s and forecast to arrive on Saturday (Nov 29) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Fri 28th Nov) | 11ft (3.5m) 9s |
| Best Surf | 3PM (Fri 28th Nov) | 11ft (3.5m) 9s |
| Most Powerful | 3AM (Sat 29th Nov) | 13ft (4.0m) 10s |
Table - best surf conditions forecast for Crab Island over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Moderate rain (total 11mm), heaviest on Fri night. Very mild (max 13°C on Thu morning, min 7°C on Wed morning). Winds increasing (light winds from the S on Wed morning, strong winds from the SSW by Fri night). | Days 3-6 Weather Summary Heavy rain (total 23mm), heaviest during Mon morning. Very mild (max 13°C on Mon afternoon, min 6°C on Sat night). Winds increasing (calm on Sun morning, gales from the SW by Mon night). | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 01 | Tuesday 02 | |||||||||||||||
| 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) (?) | 11 | 10 | 7 | 6 | 8 | 8 | 9 | 9 | 14 | 11 | 11 | 11 | 11 | 11 | 11 | 8 | 10 | 11 | 10 | 11 | 14 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 128 | 75 | 141 | 192 | 551 | 603 | 1611 | 1914 | 3091 | 1599 | 994 | 540 | 313 | 245 | 167 | 650 | 1986 | 1809 | 792 | 1338 | 3025 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | glass | cross- on | on | on | on | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 9:24AM 8.04 | 9:46PM 7.67 | 10:14AM 7.77 | 10:43PM 7.43 | 11:20AM 7.62 | 11:53PM 7.36 | 12:33PM 7.69 | 1:08AM 7.54 | 1:44PM 7.98 | 2:17AM 7.94 | 2:48PM 8.41 | 3:19AM 8.44 | 3:46PM 8.86 | ||||||||
Low Tide / height (m) | 3:27PM 2.90 | 3:40AM 3.14 | 4:23PM 3.12 | 4:42AM 3.36 | 5:35PM 3.19 | 6:04AM 3.39 | 6:52PM 3.03 | 7:24AM 3.12 | 8:01PM 2.67 | 8:30AM 2.66 | 9:01PM 2.23 | 9:28AM 2.16 | 9:56PM 1.81 | ||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 01 | Tuesday 02 | |||||||||||||||
| Sunrise | 7:50 | - | - | 7:52 | - | - | 7:54 | - | - | 7:54 | - | - | 7:56 | - | - | 7:58 | - | - | 8:00 | - | - |
| Sunset | - | 4:14 | - | - | 4:13 | - | - | 4:12 | - | - | 4:10 | - | - | 4:10 | - | - | 4:09 | - | - | 4:08 | - |
 |  |  | | |  |  | |  |  | | |  | | |  | | |  | | | |
Rain (mm) | - | 3 | 2 | - | 2 | - | - | - | 4 | 1 | 2 | 1 | - | - | 3 | 9 | 1 | 6 | 4 | 4 | 5 |
| Temp. °C | 8 | 10 | 12 | 13 | 13 | 11 | 11 | 11 | 11 | 9 | 8 | 7 | 7 | 9 | 9 | 12 | 13 | 12 | 10 | 10 | 10 |
| Feels °C (?) | 2 | 4 | 9 | 6 | 6 | 4 | 2 | 3 | 2 | 3 | 4 | 3 | 5 | 4 | 0 | 3 | 5 | 1 | 3 | 2 | 3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Crab Island 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 Crab Island Surf forecast
The above surf forecast table for Crab Island provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Crab Island can be found by selecting the local surf guide option on the grey menu. Our Crab Island 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 (Crab Island) 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 Crab Island 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.
Crab Island is 8 km (5 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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