Surf Forecasts:
Tenby (South Beach) surf forecast from 7 Sep 2026:
- Best quality surf: Tuesday 8 Sep, 7AM (local time) - 6.5ft (2.0m), 11s period, WSW swell with offshore winds.
- Most powerful swell: Tuesday 8 Sep, 1AM (local time) - 7.5ft (2.3m), 12s period, WSW swell with 1,406 kJ wave energy.
- Next surfable swell (1★+): Tuesday 8 Sep, 7AM (local time) - 6.5ft (2.0m), 11s period with WSW swell.
Best Forecast Surf Conditions for Tenby (South Beach) this week:
The surf forecast for Tenby (South Beach) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 08) at 7AM. The primary swell is predicted to be 2.0m and 11s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Tenby (South Beach) in the next 16 days are 2.3m 12s and forecast to arrive on Tuesday (Sep 08) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Wednesday (Sep 09) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Tue 8th Sep) | 6.5ft (2.0m) 11s |
| Best Surf | 7AM (Tue 8th Sep) | 6.5ft (2.0m) 11s |
| Most Powerful | 1AM (Tue 8th Sep) | 7.5ft (2.3m) 12s |
Table - best surf conditions forecast for Tenby (South Beach) over the next 16 days.
The Lowdown
Alright, this is Rusty. Let's have a look at what's coming up for Tenby (South Beach).
The 16-day window starts off with some energy, but honestly, it’s a bit of a mixed bag, and you'll need to be patient for a real window. There’s a big gap of nothing worthwhile coming up after the first day or so.
Monday the 7th of September sees a solid 6ft swell rolling in from the WSW with a long 13-second period, carrying strong wave energy. The water temp is sitting at 66°, which is about 5° warmer than normal for this time of year, so that’s a nice bonus. The trouble is the wind. It's a cross-offshore, but a stiff 19 mph breeze in the afternoon is going to mess things up, making it a bit of a battle. The morning is the pick of a poor day. The call is marginal at best, and it looks more like a kite session to be honest.
Now, Tuesday the 8th of September is where the standout sits. The morning sees a 6ft WSW swell with a 10-second period, and the real gem is the offshore wind from the NW at 16 mph. That offshore will groom it into shape. The wave energy is still moderate. By the afternoon, the wind picks up and the swell drops, so the morning session on Tuesday is your only real standout in this whole run. It’s a beginner-friendly break, but it can get crowded, so get on it early.
Wednesday the 9th drops off fast, with a 4ft swell and a short 8-second period. The energy is weak. The waves look poor. After this, from Thursday the 10th of September onward, the forecast is pretty grim. There are a few mornings with small, surfable waves, like Friday the 11th with 5ft and a gentle offshore, but the conditions are described as "very ordinary." The energy is weak.
After that, it's a long dry spell. There's a persistent run of poor conditions with tiny swell, onshore winds, and cross-chop. You get a brief flash on the 17th of September with a 7ft SW swell, but the wind is a nasty cross-onshore at 19 mph, so that’s messy and not for anyone but experts. The following days are a write-off with onshore winds. The end of the run on the 22nd of September is glassy but tiny, with waves of only 1.0ft.
So, in short: the best bet is Tuesday morning the 8th of September. After that, the calendar looks quiet for a long stretch. Keep an eye on it, but don't hold your breath.
Rusty.
Short Range ForecastModerate rain (total 11mm), heaviest on Mon night. Very mild (max 17°C on Mon morning, min 12°C on Mon night). Winds decreasing (fresh winds from the NW on Tue morning, light winds from the NW by Wed morning). | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Sat afternoon. Very mild (max 17°C on Thu morning, min 12°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the SW by Sat night). | ||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||
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 13 | WSW 13 | WSW 12 | WSW 10 | W 9 | W 7 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | W 11 | WSW 7 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | W 16 | WSW 8 | WSW 8 | WSW 8 | WSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1210 | 1175 | 1406 | 579 | 445 | 303 | 197 | 116 | 67 | 86 | 9 | 417 | 288 | 181 | 87 | 101 | 8 | 438 | 220 | 159 | 186 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross | cross | cross-off | off | off | off | cross | cross | cross-off | cross-off | cross-off | cross-on |
High Tide | 3:55PM6.18m | 4:36AM6.28m | 5:04PM6.80m | 5:34AM6.88m | 5:56PM7.44m | 6:21AM7.44m | 6:40PM7.96m | 7:02AM7.85m | 7:20PM8.27m | 7:40AM8.07m | 7:57PM8.36m | 8:15AM8.10m | 8:32PM8.22m | ||||||||
Low Tide | 10:30PM1.85m | 10:58AM1.70m | 11:32PM1.22m | 11:52AM1.09m | 00:19AM0.65m | 12:36PM0.57m | 1:00AM0.22m | 1:15PM0.21m | 1:37AM0.00m | 1:51PM0.05m | 2:11AM-0.01m | 2:25PM0.09m | 2:44AM0.17m | ||||||||
 |  |  | | |  |  | |  | | |  | | | | |  | | | | | |
 | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — |
 | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — | — | 7:40 | — | — | 7:38 | — |
mm | — | — | 11 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | 4 | 3 | — | — | — |
Temp °C | 17 | 17 | 15 | 15 | 16 | 15 | 15 | 16 | 15 | 17 | 17 | 16 | 16 | 16 | 13 | 16 | 16 | 17 | 17 | 17 | 17 |
Feels °C | 12 | 12 | 10 | 8 | 9 | 9 | 12 | 12 | 12 | 12 | 13 | 12 | 13 | 13 | 11 | 11 | 11 | 14 | 14 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | — | — | WSW 10 | SW 11 | — | WSW 8 | WSW 8 | WSW 8 | W 12 | W 11 | — | WSW 9 | WSW 8 | WSW 8 | W 16 | SW 15 | — | WSW 8 | WSW 8 | S 13 |
| kJ | 1210 | — | — | 579 | 5 | — | 197 | 116 | 67 | 3 | 9 | — | 288 | 181 | 87 | 5 | 8 | — | 220 | 159 | 3 |
Swell 2 Height (m) Direction Period (s) | W 13 | — | — | — | — | — | — | — | W 13 | W 12 | — | — | — | — | — | — | W 16 | — | SW 13 | SW 13 | — |
| kJ | 434 | — | — | — | — | — | — | — | 3 | 3 | — | — | — | — | — | — | 5 | — | 7 | 7 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 13 | WSW 12 | — | W 9 | W 7 | NNW 5 | — | — | WSW 7 | SW 6 | WSW 7 | NNW 2 | — | — | WSW 8 | SW 6 | WSW 8 | — | — | WSW 9 |
| kJ | — | 1175 | 1406 | — | 445 | 303 | 15 | — | — | 86 | 123 | 417 | 1 | — | — | 101 | 137 | 438 | — | — | 186 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 148 | 127 | 0 | 915 | 174 | 17 | 171 | 60 | 172 | 393 | 128 | 0 | 48 | 26 | 67 | 127 | 230 | 271 | 369 | 28 |
Best forecast wave conditions in Wales - Pembrokeshire | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Tenby (South Beach) Surf forecast
The above surf forecast table for Tenby (South Beach) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tenby (South Beach) can be found by selecting the local surf guide option on the grey menu. Our Tenby (South Beach) 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 (Tenby (South Beach)) 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 Tenby (South Beach) 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 - Pembrokeshire? If you are looking for accommodation near Tenby (South Beach), camping, hotels and holiday cottages in Wales - Pembrokeshire, consider staying in Pembroke which is 15 km (9 miles) away. Other places in and around Wales - Pembrokeshire where you can find information about places to rent, and car hire include Milford Haven which is 23 km (14 miles) away, Carmarthen, Fishguard and Aberporth.
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