Surf Forecasts:
Southerndown surf forecast from 16 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 1PM (local time) - 1.5ft (0.5m), 12s period, W swell with cross-offshore winds.
- Most powerful swell: Saturday 19 Sep, 1AM (local time) - 6ft (1.8m), 8s period, WSW swell with 358 kJ wave energy.
- Next surfable swell (1★+): Tuesday 22 Sep, 1PM (local time) - 1.5ft (0.5m), 12s period with W 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 Tuesday (Sep 22) at 1PM. The primary swell is predicted to be 0.5m and 12s period with a secondary swell of 0.2m and 18s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Southerndown in the next 16 days are 1.8m 8s and forecast to arrive on Saturday (Sep 19) at 1AM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Tue 22nd Sep) | 1.5ft (0.5m) 12s |
| Best Surf | 1PM (Tue 22nd Sep) | 1.5ft (0.5m) 12s |
| Most Powerful | 1AM (Sat 19th Sep) | 6ft (1.8m) 8s |
Table - best surf conditions forecast for Southerndown over the next 16 days.
The Lowdown
Alright folks, let me level with you. Looking at Southerndown and it's a bit of a flat spell for the most part. The surf is going to be pretty ordinary for a while, so don't get too excited.
There's not much on the table for the next week and a half. We got a mix of small, weak swell, and a fair bit of wind. Wave energy is on the low side, and the periods are short, meaning the waves are going to be crumbly and weak. For the first few days, the wind is going to be a problem, coming from the west and southwest, messing up what little swell there is. Water temps are around the 66°F mark, which is quite a bit warmer than normal for this time of year.
We do finally see a change in the wind around the 22nd, going offshore out of the east. The ocean will get clean, but the waves are still tiny. Then, on the 29th and 30th, we get a bit of a pulse. A little bit more size, still small, but with a longer period which makes it a lot more fun. The mornings look best with that clean offshore wind.
So basically, the last couple of days of the month are the pick of the fortnight. Still small, but clean and lined-up. That's your window. After that, it fades back down to nothing. It's not going to be a classic, but there will be a few fun ones if you're keen for a grovel. Otherwise, you might be better off waiting for the next pulse.
Rusty, out.
Short Range ForecastLight rain (total 5mm), mostly falling on Wed night. Very mild (max 17°C on Fri night, min 13°C on Thu night). Winds increasing (light winds from the NW on Wed morning, fresh winds from the WSW by Fri afternoon). | Days 4-6 Weather SummarySome drizzle, heaviest during Sat afternoon. Warm (max 21°C on Mon afternoon, min 15°C on Sat night). Winds decreasing (fresh winds from the WSW on Sat morning, calm by Mon morning). | ||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||
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 | W 10 | WSW 5 | W 7 | WSW 7 | W 7 | W 7 | WSW 6 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 9 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 12 | W 12 | WSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 230 | 212 | 81 | 233 | 208 | 166 | 134 | 141 | 358 | 294 | 273 | 125 | 45 | 61 | 29 | 16 | 15 | 9 | 49 | 70 | 130 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | cross-on | cross | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | glassy | glassy | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:05AM8.05m | 10:23PM7.72m | 10:39AM7.43m | 10:59PM7.03m | 11:18AM6.78m | 11:43PM6.35m | 12:10PM6.16m | 00:48AM5.78m | 1:33PM5.74m | 2:32AM5.58m | 3:22PM5.85m | 4:05AM5.93m | 4:34PM6.39m | ||||||||
Low Tide | 4:03PM1.29m | 4:19AM1.68m | 4:39PM1.92m | 4:56AM2.31m | 5:21PM2.57m | 5:44AM2.93m | 6:24PM3.16m | 7:03AM3.41m | 8:09PM3.44m | 8:58AM3.43m | 9:52PM3.17m | 10:21AM2.98m | 10:54PM2.59m | ||||||||
 | |  | | |  |  |  |  | |  | | |  |  | | | | | | | |
 | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — | — | 7:21 | — | — | 7:17 | — | — | 7:15 | — | — | 7:14 | — |
mm | — | — | 3 | — | — | — | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 16 | 17 | 17 | 16 | 19 | 21 | 21 | 20 | 23 | 22 |
Feels °C | 12 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 12 | 13 | 14 | 14 | 16 | 15 | 15 | 19 | 22 | 21 | 19 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | — | W 10 | — | — | W 7 | W 7 | — | W 12 | W 15 | — | WSW 7 | WSW 7 | WSW 9 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 12 | W 12 | W 11 |
| kJ | 230 | — | 52 | — | — | 166 | 134 | — | 3 | 5 | — | 125 | 45 | 61 | 29 | 16 | 15 | 9 | 49 | 70 | 57 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 9 | — | — | — | — | — | W 14 | WSW 9 | — | — | — | — | W 13 | SW 20 | WSW 17 | WSW 15 |
| kJ | — | — | — | — | — | 63 | — | — | — | — | — | 4 | 28 | — | — | — | — | 3 | 15 | 57 | 130 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | W 10 | WSW 5 | W 7 | WSW 7 | — | WSW 7 | WSW 6 | WSW 8 | WSW 7 | WSW 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 212 | 81 | 233 | 208 | — | 121 | 141 | 358 | 294 | 273 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 39 | 193 | 306 | 306 | 353 | 39 | 306 | 359 | 306 | 292 | 140 | 72 | 31 | 140 | 43 | 56 | 81 | 92 | 10 | 0 | 0 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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 Southerndown 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 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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