Surf Forecasts:
Mewslade Bay surf forecast from 18 Oct 2026:
- Best quality surf: Tuesday 20 Oct, 4AM (local time) - 1.5ft (0.4m), 11s period, WSW swell with cross-offshore winds.
- Most powerful swell: Saturday 24 Oct, 10PM (local time) - 15ft (4.5m), 11s period, SW swell with 4,833 kJ wave energy.
- Next surfable swell (1★+): Tuesday 20 Oct, 4AM (local time) - 1.5ft (0.4m), 11s period with WSW swell.
Best Forecast Surf Conditions for Mewslade Bay this week:
The surf forecast for Mewslade Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 20) at 4AM. The primary swell is predicted to be 0.4m and 11s period with a secondary swell of 0.3m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Mewslade Bay in the next 16 days are 4.5m 11s and forecast to arrive on Saturday (Oct 24) at 10PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 5s period and expected on Friday (Oct 23) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Tue 20th Oct) | 1.5ft (0.4m) 11s |
| Best Surf | 4AM (Tue 20th Oct) | 1.5ft (0.4m) 11s |
| Most Powerful | 10PM (Sat 24th Oct) | 15ft (4.5m) 11s |
Table - best surf conditions forecast for Mewslade Bay over the next 16 days.
Short Range ForecastModerate rain (total 19mm), heaviest on Tue night. Very mild (max 14°C on Mon afternoon, min 8°C on Sun morning). Winds increasing (light winds from the N on Tue morning, strong winds from the WNW by Tue night). | Days 4-6 Weather SummaryHeavy rain (total 55mm), heaviest during Thu night. Very mild (max 14°C on Thu afternoon, min 10°C on Thu night). Winds increasing (light winds from the SSW on Thu afternoon, gales from the NW by Thu night). | ||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 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) | W 10 | WSW 10 | WSW 10 | WSW 16 | WSW 15 | WSW 13 | WSW 12 | W 10 | SW 6 | W 10 | WSW 10 | WSW 9 | WSW 9 | WSW 10 | WSW 11 | WNW 8 | W 9 | W 10 | SW 7 | SW 10 | WSW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 55 | 34 | 20 | 26 | 44 | 59 | 50 | 48 | 133 | 3672 | 2699 | 1023 | 828 | 768 | 511 | 1207 | 1027 | 614 | 640 | 3218 | 3049 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross | cross | off | cross-on | on | cross | cross-on | cross-on | cross-on | on | cross-off | cross-off | cross | cross-off | cross | cross-on | on |
High Tide | 11:32AM5.97m | 00:06AM5.57m | 12:45PM5.62m | 1:33AM5.37m | 2:17PM5.64m | 3:03AM5.61m | 3:33PM6.04m | 4:06AM6.14m | 4:27PM6.63m | 4:53AM6.78m | 5:10PM7.26m | 5:33AM7.42m | 5:49PM7.85m | ||||||||
Low Tide | 5:45PM2.86m | 6:17AM3.07m | 7:20PM3.11m | 8:00AM3.14m | 8:55PM2.91m | 9:23AM2.81m | 9:59PM2.42m | 10:18AM2.28m | 10:45PM1.83m | 11:01AM1.69m | 11:24PM1.24m | 11:39AM1.11m | 00:00AM0.70m | ||||||||
 | |  |  | |  |  | |  | | |  | |  | |  | | | | |  | |
 | 7:45 | — | — | 7:47 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — |
 | — | 6:17 | — | — | 6:15 | — | — | 6:14 | — | — | 6:12 | — | — | 6:09 | — | — | 6:07 | — | — | 6:06 | — |
mm | — | — | 4 | 1 | — | — | — | — | 14 | 2 | 2 | 7 | 1 | 2 | 39 | — | 1 | 1 | — | 1 | 7 |
Temp °C | 11 | 13 | 11 | 13 | 14 | 13 | 12 | 13 | 13 | 12 | 12 | 13 | 13 | 14 | 12 | 11 | 12 | 11 | 13 | 14 | 16 |
Feels °C | 6 | 7 | 6 | 5 | 6 | 8 | 10 | 10 | 6 | 1 | 2 | 6 | 7 | 10 | 7 | -1 | 0 | 1 | 7 | 8 | 14 |
Swell 1 Height (m) Direction Period (s) | W 10 | WSW 10 | WSW 10 | WSW 10 | WSW 15 | WSW 13 | WSW 10 | W 10 | WSW 10 | — | — | — | W 9 | W 10 | WSW 11 | — | — | W 10 | W 10 | — | WSW 11 |
| kJ | 55 | 34 | 20 | 20 | 44 | 59 | 32 | 48 | 22 | — | — | — | 670 | 640 | 511 | — | — | 610 | 51 | — | 3049 |
Swell 2 Height (m) Direction Period (s) | — | — | W 14 | WSW 16 | WSW 12 | WSW 11 | WSW 12 | WSW 12 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | 26 | 28 | 22 | 50 | 28 | 14 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 12 | — | — | — | W 13 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 3 | — | — | — | 13 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 3 | NNE 3 | ENE 3 | ESE 4 | SE 3 | — | — | SW 6 | W 10 | WSW 10 | WSW 9 | WSW 9 | WSW 10 | SE 4 | WNW 8 | W 9 | WSW 10 | SW 7 | SW 10 | WSW 11 |
| kJ | 3 | 2 | 6 | 3 | 26 | 3 | — | — | 133 | 3672 | 2699 | 1023 | 828 | 768 | 12 | 1207 | 1027 | 614 | 640 | 3218 | 2504 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 181 | 180 | 4 | 114 | 2 | 0 | 124 | 192 | 432 | 429 | 260 | 135 | 6 | 16 | 775 | 603 | 260 | 33 | 194 | 104 |
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 Mewslade 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 Mewslade Bay Surf forecast
The above surf forecast table for Mewslade Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Mewslade Bay can be found by selecting the local surf guide option on the grey menu. Our Mewslade 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 (Mewslade 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 Mewslade 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.
Mewslade Bay is 25 km (16 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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