Surf Forecasts:
Southerndown surf forecast from 20 Jul 2026:
- Most powerful swell: Sunday 26 Jul, 1AM (local time) - 3.5ft (1.0m), 7s period, WSW swell with 93 kJ wave energy.
Best Forecast Surf Conditions for Southerndown this week:
The most powerful waves expected at Southerndown in the next 16 days are 1.0m 7s and forecast to arrive on Sunday (Jul 26) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 4s period and expected on Monday (Jul 27) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Sun 26th Jul) | 3.5ft (1.0m) 7s |
Table - best surf conditions forecast for Southerndown over the next 16 days.
The Lowdown
Alright folks, Rusty here. Gotta be honest with you, this is a tough one to write. We’re looking at a real flat spell for Southerndown. Over the next 16 days, there’s just nothing on the table that’s worth paddling out for. The whole window is a write-off for any decent surf.
We start off on Monday, July 20th, with a tiny 0.1ft swell out of the west. The water is a very unusual 69°, which is a massive 9° warmer than normal for this time of year – feels like a bath. But with a swell that small and a period of 12 seconds, you’re just bobbing around. The combined swell energy is a weak 7. Tuesday and Wednesday are the same story: 0.1ft and glassy mornings, but it’s just not enough to break a wave. The combined energy is in the doldrums, hitting values like 3 (Tuesday) and 3 (Wednesday).
The middle of the week sees a slight bump, but it’s meaningless. By Thursday, July 30th, and Friday, July 31st, we’ve got up to 2ft of west swell, but the wind is slapping it sideways. The wind is cross-on or cross-shore and fresh, making it choppy and lumpy. The combined energy on Thursday the 30th afternoon is a paltry 11.
The only time the figures even look like they’re trying is on Sunday, July 26th. We get a 3ft west swell with a period of 6 seconds, and the combined energy bumps up to 136. But it’s a short-period, windswell mess with a fresh 19 mph WNW wind putting a nasty cross-chop on it. Then again on Monday, July 27th, there’s a glassy morning with a 1ft southwest swell, but the energy is just 20. It’s a tease.
After that, it’s a long, drawn-out fade into August with nothing but 0.3ft to 2ft of messy, wind-affected slop. The combined energy never gets into triple digits again after the 26th until maybe a flicker on the 29th (111), but it’s paired with an 19 mph cross-shore wind. For a break that’s fairly consistent, this is a painful run. It’s just not happening for paddle surfing. The setup looks more interesting for kite surfing than anything else right now.
Hang in there, the forecasts can always change.
- Rusty
Short Range ForecastMostly dry. Warm (max 24°C on Tue afternoon, min 15°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Thu afternoon, min 14°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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 12 | W 8 | W 11 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 3 | W 3 | W 4 | W 4 | WSW 7 | W 6 | WNW 6 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 3 | 38 | 93 | 84 | 66 | 31 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | off | cross-off | cross-on | glassy | glassy | cross-on | off | glassy | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off |
High Tide | 11:25AM7.72m | 11:46PM7.70m | 12:10PM7.18m | 00:34AM7.08m | 1:01PM6.69m | 1:29AM6.54m | 2:03PM6.32m | 2:38AM6.21m | 3:16PM6.19m | 3:54AM6.17m | 4:28PM6.34m | 4:59AM6.41m | 5:26PM6.70m | ||||||||
Low Tide | 5:28PM1.51m | 5:57AM1.73m | 6:15PM2.03m | 6:44AM2.25m | 7:08PM2.51m | 7:40AM2.68m | 8:13PM2.85m | 8:48AM2.93m | 9:27PM2.95m | 10:01AM2.92m | 10:39PM2.80m | 11:06AM2.67m | 11:38PM2.46m | ||||||||
 | |  | | | |  | | | | | | | |  |  | | | | | | |
 | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:28 | — | — |
 | — | — | 9:20 | — | — | 9:17 | — | — | 9:16 | — | — | 9:15 | — | — | 9:15 | — | — | 9:13 | — | — | 9:12 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 22 | 20 | 22 | 24 | 21 | 20 | 23 | 22 | 23 | 25 | 22 | 20 | 20 | 17 | 17 | 16 | 16 | 19 | 19 | 15 |
Feels °C | 18 | 18 | 18 | 20 | 21 | 19 | 19 | 21 | 21 | 22 | 22 | 20 | 17 | 16 | 14 | 14 | 12 | 15 | 13 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | WNW 4 | W 11 | W 10 | WNW 4 | W 10 | W 9 | WNW 4 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | — | WSW 7 | W 6 | W 6 | W 7 |
| kJ | 2 | 1 | 1 | 2 | 2 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | — | 93 | 52 | 36 | 23 |
Swell 2 Height (m) Direction Period (s) | W 9 | — | W 8 | W 8 | W 7 | W 10 | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | W 8 |
| kJ | 2 | — | 1 | 1 | 1 | 2 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 31 |
Swell 3 Height (m) Direction Period (s) | W 12 | — | W 11 | — | — | W 7 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 |
| kJ | 3 | — | 2 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | WNW 3 | — | — | — | — | — | W 3 | W 3 | W 4 | W 4 | — | W 6 | WNW 6 | — |
| kJ | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 2 | 2 | 3 | 38 | — | 84 | 66 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 210 | 891 | 367 | 92 | 195 | 208 | 208 | 498 | 333 | 142 | 891 | 354 | 464 | 1969 | 456 | 796 | 1725 | 6 | 31 | 498 | 10 |
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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