
Surf Forecasts:
Mewslade Bay surf forecast from 19 Oct 2026:
- Best quality surf: Saturday 24 Oct, 4AM (local time) - 10ft (3.0m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Wednesday 21 Oct, 1PM (local time) - 18ft (5.5m), 12s period, W swell with 9,389 kJ wave energy.
- Next surfable swell (1★+): Tuesday 20 Oct, 7AM (local time) - 2ft (0.6m), 13s period with W 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 7AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.2m and 4s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Mewslade Bay in the next 16 days are 5.5m 12s and forecast to arrive on Wednesday (Oct 21) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Tue 20th Oct) | 2ft (0.6m) 13s |
| Best Surf | 4AM (Sat 24th Oct) | 10ft (3.0m) 10s |
| Most Powerful | 1PM (Wed 21st Oct) | 18ft (5.5m) 12s |
Table - best surf conditions forecast for Mewslade Bay over the next 16 days.
Short Range ForecastHeavy rain (total 32mm), heaviest during Wed morning. Very mild (max 14°C on Mon afternoon, min 8°C on Wed morning). Winds increasing (calm on Mon night, gales from the WNW by Wed morning). | Days 4-6 Weather SummaryHeavy rain (total 40mm), heaviest during Sat afternoon. Very mild (max 16°C on Sat night, min 9°C on Thu night). Winds increasing (light winds from the SW on Thu morning, stormy winds from the WNW by Thu night). | ||||||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | |||||||||||||||
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) | WSW 16 | WSW 15 | WSW 13 | WSW 12 | W 10 | SSW 6 | WSW 13 | W 11 | WSW 8 | WSW 9 | WSW 9 | SW 9 | W 12 | W 10 | W 11 | WSW 10 | WSW 8 | WSW 10 | WSW 10 | WSW 10 | W 11 |
Wave Graph | |||||||||||||||||||||
26 | 44 | 59 | 50 | 47 | 164 | 7906 | 5627 | 721 | 388 | 415 | 911 | 5940 | 3699 | 2172 | 800 | 504 | 1283 | 2349 | 2194 | 1351 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | on | cross-on | cross-off | cross | cross |
High Tide | 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 | 6:10AM7.99m | 6:28PM8.34m | ||||||||
Low Tide | 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 | 12:16PM0.60m | 00:35AM0.29m | ||||||||
7:47 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 6:56 | — | — | |
— | 6:15 | — | — | 6:14 | — | — | 6:12 | — | — | 6:09 | — | — | 6:07 | — | — | 6:06 | — | — | 5:04 | — | |
mm | 1 | — | — | — | — | 5 | 17 | 6 | 3 | 1 | 8 | 9 | 1 | 1 | — | — | 10 | 10 | 1 | — | — |
Temp °C | 12 | 14 | 12 | 11 | 13 | 12 | 9 | 12 | 12 | 13 | 14 | 13 | 11 | 12 | 11 | 13 | 14 | 16 | 12 | 12 | 14 |
Feels °C | 4 | 6 | 6 | 10 | 9 | 5 | -6 | 3 | 5 | 8 | 3 | 1 | -4 | -1 | -1 | 7 | 6 | 10 | 2 | 2 | 7 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 15 | WSW 13 | WSW 10 | W 10 | W 11 | — | — | W 12 | WSW 9 | WSW 9 | SW 9 | — | — | — | WSW 10 | WSW 10 | — | — | — | W 11 |
20 | 44 | 59 | 32 | 47 | 9 | — | — | 108 | 388 | 415 | 911 | — | — | — | 800 | 136 | — | — | — | 1351 | |
Swell 2 Height (m) Direction Period (s) | WSW 16 | WSW 12 | WSW 11 | WSW 12 | WSW 12 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
26 | 28 | 22 | 50 | 28 | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | W 16 | W 12 | — | SW 4 | — | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
21 | 3 | — | 1 | — | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | E 3 | ESE 4 | SE 3 | — | SW 2 | SSW 6 | WSW 13 | W 11 | WSW 8 | — | — | SSE 5 | W 12 | W 10 | W 11 | — | WSW 8 | WSW 10 | WSW 10 | WSW 10 | WSW 9 |
5 | 18 | 5 | — | 1 | 164 | 7906 | 5627 | 721 | — | — | 133 | 5940 | 3699 | 2172 | — | 504 | 1283 | 2349 | 2194 | 1282 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 161 | 5 | 0 | 6 | 378 | 82 | 501 | 33 | 49 | 407 | 459 | 429 | 461 | 260 | 33 | 387 | 435 | 433 | 311 | 33 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.










