Surf Forecasts:
Mewslade Bay surf forecast from 22 Jul 2026:
- Best quality surf: Sunday 26 Jul, 10PM (local time) - 3.5ft (1.0m), 7s period, W swell with cross-offshore winds.
- Most powerful swell: Sunday 26 Jul, 7AM (local time) - 5ft (1.5m), 7s period, W swell with 211 kJ wave energy.
- Next surfable swell (1★+): Sunday 26 Jul, 10PM (local time) - 3.5ft (1.0m), 7s 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 Sunday (Jul 26) at 10PM. The primary swell is predicted to be 1.0m and 7s period. 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 1.5m 7s and forecast to arrive on Sunday (Jul 26) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Wednesday (Jul 22) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sun 26th Jul) | 3.5ft (1.0m) 7s |
| Best Surf | 10PM (Sun 26th Jul) | 3.5ft (1.0m) 7s |
| Most Powerful | 7AM (Sun 26th Jul) | 5ft (1.5m) 7s |
Table - best surf conditions forecast for Mewslade Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s shaping up.
Well, it’s a flat start for Mewslade Bay. The first week is basically a write-off, with nothing but tiny, weak dribble and poor conditions. We’ve got a gap of several days here with no real surf to recommend. The water is sitting at about 69°F at the start, which is way warmer than normal for the time of year—that’s a real standout for those first few days.
The first bit of hope doesn’t appear until Sunday the 26th of July. Even then, it’s marginal, with a lumpy 5ft of swell from the west, but a fresh cross-offshore breeze keeps it clean-ish. The energy’s still low (344), and it’s short-period stuff at 7 seconds. Nothing to write home about.
Things get interesting on the morning of Sunday the 2nd of August. That’s where the one true standout sits. Mewslade Bay picks up a clean 6ft swell from the west-southwest, period pushing 8 seconds, and a glassy cross-offshore breeze from the northwest. The combined energy is solid at 389—moderate wave energy—and conditions look good. This is the best on offer, but it’s a good two weeks out, so it’s promising but not locked in. The swell size is pushing the limits for beginners, but it’s still manageable for most.
After that, the outlook drops back into mediocrity. There’s a little pulse on the 4th and 5th of August, but winds are messy and the swell is weak and short-period. Not worth the drive. The 6th looks blown out with a fresh westerly ruining any chance of clean surf.
Overall, it’s a lean run. If you’re desperate, hold out for that 2nd of August window. Otherwise, it’s a good time to check the tide pools.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Thu afternoon, min 15°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sat night. Very mild (max 19°C on Sun afternoon, min 14°C on Sun night). Winds decreasing (fresh winds from the NW on Sun morning, light winds from the SSW by Mon night). | ||||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||
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 | W 9 | W 9 | W 9 | W 14 | W 14 | SW 13 | SW 13 | W 8 | SW 12 | W 5 | W 6 | W 7 | W 7 | WSW 7 | WSW 6 | WSW 6 | W 6 | W 6 | W 5 | W 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 7 | 6 | 8 | 4 | 4 | 7 | 7 | 1 | 6 | 42 | 157 | 173 | 200 | 65 | 68 | 48 | 18 | 31 | 14 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | glassy | cross | cross-off | glassy | cross | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on |
High Tide | 12:53PM6.31m | 1:21AM6.18m | 1:54PM5.96m | 2:29AM5.85m | 3:07PM5.83m | 3:44AM5.81m | 4:19PM5.96m | 4:51AM6.02m | 5:18PM6.29m | 5:43AM6.38m | 6:05PM6.72m | 6:26AM6.77m | 6:46PM7.16m | ||||||||
Low Tide | 7:04PM2.39m | 7:36AM2.55m | 8:09PM2.70m | 8:45AM2.76m | 9:24PM2.78m | 9:58AM2.73m | 10:35PM2.61m | 11:02AM2.48m | 11:32PM2.28m | 11:53AM2.12m | 00:19AM1.89m | 12:35PM1.72m | 00:58AM1.50m | ||||||||
 | |  |  | |  | | | |  | |  | | | | | | | | | | |
 | 5:24 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:33 | — | — |
 | — | — | 9:20 | — | — | 9:19 | — | — | 9:17 | — | — | 9:15 | — | — | 9:15 | — | — | 9:13 | — | — | 9:12 |
mm | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 21 | 19 | 20 | 23 | 19 | 19 | 22 | 18 | 17 | 18 | 17 | 17 | 19 | 18 | 16 | 17 | 17 | 17 | 18 | 18 |
Feels °C | 15 | 17 | 17 | 19 | 21 | 16 | 16 | 18 | 15 | 14 | 16 | 15 | 12 | 15 | 15 | 12 | 14 | 16 | 16 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | WNW 4 | W 9 | W 8 | W 8 | W 8 | W 8 | W 3 | W 8 | — | WSW 6 | W 7 | W 7 | WSW 7 | WSW 6 | W 9 | W 6 | W 6 | W 8 | W 8 |
| kJ | 7 | 7 | 2 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | — | 143 | 173 | 142 | 65 | 68 | 6 | 18 | 31 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | W 9 | SW 15 | W 14 | W 14 | — | SW 13 | W 8 | SW 12 | — | — | — | — | — | — | — | W 8 | W 8 | W 12 | W 11 |
| kJ | — | — | 6 | 8 | 4 | 4 | — | 7 | 1 | 6 | — | — | — | — | — | — | — | 6 | 1 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | W 15 | W 15 | — | — | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 |
| kJ | — | — | 4 | 4 | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Wind waves Height (m) Direction Period (s) | NNW 3 | NW 3 | N 3 | N 3 | — | NNW 3 | — | — | NNW 3 | W 4 | W 5 | W 6 | W 7 | W 7 | — | — | WSW 6 | — | — | W 5 | W 5 |
| kJ | 2 | 3 | 4 | 1 | — | 2 | — | — | 1 | 3 | 42 | 157 | 171 | 200 | — | — | 48 | — | — | 14 | 17 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 404 | 394 | 198 | 78 | 143 | 125 | 424 | 895 | 405 | 395 | 395 | 358 | 456 | 10 | 0 | 1 | 195 | 88 | 153 | 395 | 138 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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.
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