Surf Forecasts:
Mewslade Bay surf forecast from 5 Jul 2026:
- Most powerful swell: Monday 6 Jul, 4AM (local time) - 2ft (0.6m), 9s period, W swell with 56 kJ wave energy.
Best Forecast Surf Conditions for Mewslade Bay this week:
The most powerful waves expected at Mewslade Bay in the next 16 days are 0.6m 9s and forecast to arrive on Monday (Jul 06) at 4AM. 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 5s period and expected on Saturday (Jul 11) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Mon 6th Jul) | 2ft (0.6m) 9s |
Table - best surf conditions forecast for Mewslade Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, Rusty here. Let’s have a look at what’s in store for Mewslade Bay.
To be straight with you, the next couple of weeks are looking pretty quiet. We’ve got a long stretch of barely any surf to start with, and it’s not until Tuesday the 14th of July that we see anything even close to surfable. That’s about a week and a half of waiting, with waves mostly under 2 ft and a whole lot of cross-shore or onshore wind messing things up. It’s a tough run.
Wednesday the 8th does have a glassy morning, but with only 1 ft on offer, you’re not going anywhere.
The first real glimmer of hope shows up on Tuesday morning the 14th. We’ve got a light breeze, clean conditions, and a little 2 ft swell from the west with a period of 11 seconds. The wave energy is still weak (69), so it’s small, but it’s clean and the period is long enough to give some shape. Mewslade Bay is an exposed spot, so it catches whatever’s out there. This is the only window in the forecast where you’d get a wave worth paddling for.
Then we get a bit of a bump on Sunday the 19th and Monday the 20th, with bigger swell – 5 ft to 6 ft – pushing in from the southwest. Combined energy climbs to over 300 (strong), so there’s some grunt there. But the wind is all over it – Sunday has cross-onshore chop, and while Monday morning cleans up with a fresh offshore from the northwest at 30 km/h (19 mph), the swell is still carrying that short period (5-7 seconds) which means crumbly, weak waves. The height and energy will get your heart rate up, but the quality is poor. For a beach break like Mewslade Bay, a long period groundswell wouldn’t be ideal here anyway, but we’re not even getting that.
The standout is Tuesday morning, the 14th. It’s the only time where conditions line up for a proper session. You’ll be surfing solo, too – it’s just a small, clean wave for the patient surfer.
Don’t hold your breath for the big stuff. This stretch looks more like time for a gear check or a long walk on the cliffs.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 15°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 31°C on Fri afternoon, min 19°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||
Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | |||||||||||||||
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 6 | WSW 9 | WSW 9 | W 9 | W 5 | WSW 8 | WSW 9 | WSW 9 | W 8 | W 8 | W 8 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | WSW 8 | WSW 8 | WSW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 46 | 29 | 26 | 14 | 18 | 24 | 26 | 25 | 12 | 12 | 23 | 17 | 16 | 15 | 15 | 42 | 56 | 34 | 21 | 21 | 13 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | glassy | cross | cross-off | cross | off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:24AM7.19m | 10:43PM7.42m | 11:05AM7.04m | 11:26PM7.23m | 11:51AM6.87m | 00:15AM7.02m | 12:45PM6.70m | 1:13AM6.82m | 1:49PM6.60m | 2:21AM6.73m | 3:00PM6.67m | 3:35AM6.84m | 4:12PM6.95m | ||||||||
Low Tide | 4:23PM1.43m | 4:50AM1.46m | 5:04PM1.60m | 5:34AM1.61m | 5:52PM1.78m | 6:26AM1.77m | 6:49PM1.95m | 7:27AM1.90m | 7:57PM2.03m | 8:37AM1.92m | 9:11PM1.93m | 9:49AM1.77m | 10:24PM1.63m | ||||||||
 | |  | | | |  | |  | | | | | | | | | | | | | |
 | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — |
 | — | — | 9:36 | — | — | 9:35 | — | — | 9:35 | — | — | 9:34 | — | — | 9:32 | — | — | 9:32 | — | — | 9:31 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 15 | 17 | 18 | 17 | 18 | 20 | 20 | 20 | 23 | 22 | 24 | 28 | 25 | 27 | 31 | 23 | 24 | 24 | 20 |
Feels °C | 15 | 15 | 14 | 15 | 16 | 16 | 16 | 17 | 19 | 20 | 23 | 22 | 25 | 27 | 24 | 26 | 30 | 21 | 23 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 9 | WSW 9 | W 9 | W 8 | WSW 4 | W 5 | WSW 9 | W 8 | W 8 | W 8 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | WSW 8 | WSW 8 | NW 5 |
| kJ | 46 | 26 | 26 | 13 | 12 | 6 | 7 | 25 | 12 | 12 | 23 | 17 | 16 | 15 | 15 | 42 | 56 | 34 | 21 | 21 | 7 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | — | — | W 14 | W 14 | WSW 8 | WSW 9 | SW 12 | W 4 | W 4 | — | — | — | — | NW 3 | — | E 3 | WNW 4 | WNW 4 | — | WSW 8 |
| kJ | 28 | — | — | 4 | 4 | 24 | 26 | 6 | 3 | 1 | — | — | — | — | 2 | — | 1 | 4 | 4 | — | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 11 | W 10 | — | — | — | — | — | — | — | — | — | W 17 | — | — |
| kJ | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | 6 | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 5 | WSW 4 | W 5 | W 5 | — | — | WSW 4 | — | — | — | WNW 4 | — | — | — | — | — | N 4 | — | WNW 3 | N 4 |
| kJ | — | 29 | 7 | 14 | 18 | — | — | 6 | — | — | — | 1 | — | — | — | — | — | 7 | — | 8 | 24 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 139 | 113 | 172 | 172 | 118 | 181 | 195 | 78 | 64 | 180 | 78 | 64 | 81 | 64 | 4 | 4 | 4 | 260 | 274 | 252 |
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.
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