Surf Forecasts:
Southerndown surf forecast from 22 Aug 2026:
- Best quality surf: Thursday 27 Aug, 1PM (local time) - 8ft (2.4m), 8s period, WSW swell with glassy winds.
- Most powerful swell: Thursday 27 Aug, 1PM (local time) - 8ft (2.4m), 8s period, WSW swell with 623 kJ wave energy.
- Next surfable swell (1★+): Thursday 27 Aug, 1PM (local time) - 8ft (2.4m), 8s period with WSW swell.
Best Forecast Surf Conditions for Southerndown this week:
The surf forecast for Southerndown over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 27) at 1PM. The primary swell is predicted to be 2.4m and 8s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Southerndown in the next 16 days are 2.4m 8s and forecast to arrive on Thursday (Aug 27) at 1PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Friday (Aug 28) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Thu 27th Aug) | 8ft (2.4m) 8s |
| Best Surf | 1PM (Thu 27th Aug) | 8ft (2.4m) 8s |
| Most Powerful | 1PM (Thu 27th Aug) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Southerndown over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s chew through what Southerndown has coming up over the next couple of weeks.
Honestly, mate, it’s a lean stretch. For the first week and a half, the surf is tiny to flat and the wind is constantly messing with things. Most of the time we’ve got a cross-onshore or onshore breeze, and the swell is barely showing. There’s a big gap from the start right through the end of August and into the first few days of September where nothing really gets going. The combined swell energy stays under 100 for most of that, often down in the teens and twenties – that’s barely a ripple. The forecast keeps calling it “poor surf conditions” nearly every time.
Things start to look a bit more interesting on Wednesday, September 2nd. That morning, the swell comes up to about 4ft from the WSW, with a period of 9 seconds, and the combined energy hits 281 (moderate). The wind is light cross from the SSE, not perfect but a whole lot better. That afternoon, the swell builds to about 5ft from the same direction, period 10 seconds, and the energy jumps to 470. The wind is light cross-onshore, so a little texture, but the size is real – still okay for intermediates, though beginners might find it pushing.
The best shot of the whole window is Friday morning, September 4th. The swell is about 4ft from the WSW, period 9 seconds, and the combined energy is 208 – moderate and honest. The wind is glassy out of the NE, with that “glass” label, so it’s clean as a whistle. The water temp is about average for this time of year. The break is fairly consistent and fairly exposed to that SW swell, and the optimum direction lines up well. For Southerndown, this is the standout: clean shoulder-high waves, no chop, and the crowd is “sometimes” so you might share it but it won’t be packed. It’s a beginner-friendly wave at this size, so it’s the one to aim for.
After that, the weekend of the 5th drops right off – tiny swell, short periods, and it’s back to nothing. So the honest summary is: a long dry spell, a small pulse around the 2nd to the 4th, and the absolute best is the morning of the 4th. Don’t plan on much else.
Rusty.
Short Range ForecastSome drizzle, heaviest during Fri night. Warm (max 24°C on Mon afternoon, min 13°C on Fri night). Winds increasing (calm on Sun afternoon, fresh winds from the E by Mon morning). | Days 4-6 Weather SummaryModerate rain (total 16mm), heaviest on Wed afternoon. Warm (max 26°C on Tue afternoon, min 15°C on Mon night). Winds decreasing (fresh winds from the ENE on Mon night, calm by Thu morning). | ||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 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) | WSW 10 | WSW 9 | WSW 9 | WSW 9 | W 9 | WSW 10 | WSW 9 | SW 14 | SW 13 | W 13 | W 10 | W 10 | W 9 | WSW 8 | WSW 8 | WSW 4 | WSW 8 | WSW 6 | WSW 7 | W 8 | SW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 18 | 17 | 8 | 8 | 7 | 9 | 9 | 8 | 7 | 3 | 3 | 7 | 6 | 7 | 11 | 25 | 527 | 114 | 53 | 31 | 19 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross | cross | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:24PM5.84m | 3:16AM5.76m | 4:00PM5.98m | 4:38AM6.08m | 5:06PM6.47m | 5:32AM6.62m | 5:53PM7.08m | 6:13AM7.20m | 6:31PM7.70m | 6:49AM7.76m | 7:05PM8.26m | 7:22AM8.24m | 7:38PM8.71m | ||||||||
Low Tide | 7:53AM3.28m | 8:46PM3.31m | 9:31AM3.29m | 10:20PM3.09m | 10:50AM2.91m | 11:23PM2.60m | 11:43AM2.36m | 00:08AM2.02m | 12:22PM1.78m | 00:45AM1.45m | 12:57PM1.25m | 1:17AM0.97m | 1:28PM0.82m | 1:48AM0.59m | |||||||
 | |  | | | |  | |  | | | |  |  |  |  | | | | | | |
 | 6:09 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:12 | — | — | 8:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 3 | 4 | 2 | — | — | — | — |
Temp °C | 17 | 19 | 17 | 20 | 22 | 19 | 21 | 24 | 19 | 23 | 26 | 19 | 19 | 21 | 17 | 20 | 21 | 17 | 17 | 18 | 16 |
Feels °C | 15 | 16 | 14 | 18 | 20 | 17 | 14 | 18 | 12 | 18 | 21 | 17 | 18 | 19 | 16 | 20 | 20 | 16 | 14 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 9 | WSW 9 | WSW 9 | W 9 | WSW 10 | WSW 9 | W 9 | W 9 | W 8 | W 8 | W 10 | W 9 | WSW 8 | SW 4 | SSE 3 | — | W 6 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 18 | 17 | 8 | 8 | 6 | 9 | 9 | 2 | 2 | 1 | 1 | 7 | 6 | 7 | 4 | 1 | — | 101 | 53 | 29 | 10 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | — | SW 14 | SW 14 | SW 14 | SW 14 | SW 9 | SW 13 | SW 9 | SW 8 | — | SW 8 | SW 8 | WSW 8 | — | — | — | — | W 8 | SW 11 |
| kJ | 9 | 9 | — | 8 | 7 | 8 | 8 | 3 | 7 | 3 | 3 | — | 2 | 2 | 11 | — | — | — | — | 31 | 19 |
Swell 3 Height (m) Direction Period (s) | W 15 | — | SW 15 | W 15 | — | — | — | SW 14 | — | W 13 | W 10 | SW 8 | — | — | — | — | — | — | — | — | — |
| kJ | 5 | — | 8 | 4 | — | — | — | 8 | — | 3 | 2 | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | E 3 | E 3 | E 3 | ENE 3 | E 3 | — | — | SW 3 | SE 2 | WSW 4 | WSW 8 | WSW 6 | E 3 | NE 4 | WNW 4 |
| kJ | — | — | — | — | — | — | 4 | 5 | 8 | 2 | 1 | — | — | 3 | 1 | 25 | 527 | 114 | 7 | 23 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 43 | 155 | 50 | 142 | 133 | 43 | 353 | 292 | 252 | 216 | 158 | 92 | 92 | 375 | 154 | 49 | 39 | 30 | 91 | 387 | 30 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Southerndown Surf forecast
The above surf forecast table for Southerndown provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Southerndown can be found by selecting the local surf guide option on the grey menu. Our Southerndown 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 (Southerndown) 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 Southerndown 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.
Are you planning a holiday in Wales - South East? If you are looking for accommodation near Southerndown, camping, hotels and holiday cottages in Wales - South East, consider staying in Porthcawl which is 6 km (4 miles) away. Other places in and around Wales - South East where you can find information about places to rent, and car hire include Nash Point which is 8 km (5 miles) away, Coity, Maesteg and Barry.
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