Surf Forecasts:
Tenby (South Beach) surf forecast from 24 Jul 2026:
- Most powerful swell: Sunday 26 Jul, 1PM (local time) - 5ft (1.6m), 7s period, W swell with 240 kJ wave energy.
Best Forecast Surf Conditions for Tenby (South Beach) this week:
The most powerful waves expected at Tenby (South Beach) in the next 16 days are 1.6m 7s and forecast to arrive on Sunday (Jul 26) at 1PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Monday (Jul 27) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Sun 26th Jul) | 5ft (1.6m) 7s |
Table - best surf conditions forecast for Tenby (South Beach) over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s break it down for Tenby (South Beach) in feet and miles per hour.
We’re in a quiet spell, no two ways about it. From Friday the 24th of July right through to Thursday the 6th of August, it’s a total flat spell. The swell is tiny, mostly 0.3ft to 1.0ft, and the wave energy is weak. The water is a warm 66°F, which is about 5°F warmer than usual for this time of year – seriously unusual, you’ll be toasty in a spring suit, but there’s nothing to surf. The wind is clean on many days, but you can’t catch a wave that isn’t there. There’s a little bump on Sunday the 26th of July with 5ft on offer, but the period is only 7 seconds – that’s short-period windswell, and with a fresh 19 mph offshore wind, it’s going to be blown out and messy. Save your energy.
The only real action comes in the second week of August. Friday the 7th of August sees the swell start to build, with 4ft in the morning, but it’s onshore and messy. By the afternoon, we get a 7ft SW swell with a moderate cross-offshore wind – the energy jumps to 512 (moderate), and it’s still a bit marginal. You can feel it coming, but it’s not quite there.
Now, the standout. Saturday the 8th of August is the one. Morning brings a glassy 7ft SW swell, with zero wind – dead calm. The combined energy is a solid 660 (strong). That’s proper groundswell, with a period of 8 seconds, so it’ll be punchy. This size is pushing into expert territory – over 8ft can be a handful, but 7ft is a solid, powerful wave for skilled surfers. The afternoon keeps it clean with a 12 mph offshore wind from the NW, and the energy sits at 628. This is your window. Tenby (South Beach) is a sheltered spot, so it needs that SW direction to work, and it’s got it. It’s a fairly consistent break, but it can get crowded sometimes, so expect a few heads in the water.
So, a long, dry spell for a single day of quality. The first two weeks are a bust, but that Saturday the 8th of August is a genuine highlight. Mark it on your calendar.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Fri afternoon, min 14°C on Sun night). Winds increasing (light winds from the NW on Fri night, fresh winds from the WNW by Sat night). | Days 4-6 Weather SummaryMostly dry. Warm (max 22°C on Wed afternoon, min 16°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||
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 8 | SW 13 | SW 13 | SW 12 | SW 12 | WSW 6 | W 7 | W 7 | W 6 | W 6 | W 9 | WSW 5 | W 5 | W 12 | W 6 | W 5 | W 10 | W 8 | W 7 | W 7 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 7 | 7 | 6 | 5 | 147 | 236 | 240 | 112 | 66 | 6 | 20 | 21 | 3 | 4 | 4 | 8 | 11 | 10 | 8 | 13 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross | cross-on | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 3:08PM5.51m | 3:45AM5.49m | 4:19PM5.64m | 4:51AM5.69m | 5:18PM5.95m | 5:43AM6.02m | 6:05PM6.35m | 6:27AM6.39m | 6:46PM6.76m | 7:05AM6.74m | 7:22PM7.13m | 7:40AM7.03m | 7:57PM7.42m | ||||||||
Low Tide | 9:31PM2.64m | 10:06AM2.59m | 10:42PM2.47m | 11:09AM2.34m | 11:39PM2.14m | 11:58AM1.98m | 00:24AM1.76m | 12:40PM1.60m | 1:03AM1.39m | 1:16PM1.25m | 1:39AM1.08m | 1:50PM0.97m | 2:12AM0.85m | ||||||||
 | |  |  | | | | |  | | | | | | | | | | | | | |
 | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — |
 | — | — | 9:20 | — | — | 9:17 | — | — | 9:16 | — | — | 9:15 | — | — | 9:14 | — | — | 9:13 | — | — | 9:10 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 22 | 17 | 19 | 19 | 17 | 19 | 20 | 17 | 18 | 18 | 17 | 19 | 21 | 17 | 21 | 22 | 18 | 22 | 22 | 18 |
Feels °C | 19 | 19 | 16 | 14 | 16 | 16 | 13 | 15 | 15 | 14 | 15 | 17 | 18 | 19 | 17 | 19 | 19 | 16 | 19 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | WNW 3 | W 8 | W 8 | S 11 | — | — | W 6 | W 6 | W 9 | WSW 5 | W 5 | W 8 | WSW 4 | W 5 | W 10 | W 8 | W 7 | W 9 | W 8 |
| kJ | 5 | 1 | 1 | 1 | 1 | 3 | — | — | 112 | 66 | 6 | 20 | 21 | 1 | 4 | 4 | 8 | 11 | 10 | 6 | 13 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | W 8 | SW 12 | SW 12 | — | — | — | — | S 12 | — | W 9 | W 8 | — | W 6 | W 8 | W 8 | W 10 | W 10 | — | W 9 |
| kJ | 7 | 7 | 1 | 6 | 5 | — | — | — | — | 3 | — | 6 | 1 | — | 3 | 1 | 5 | 7 | 2 | — | 1 |
Swell 3 Height (m) Direction Period (s) | SW 13 | — | SW 13 | — | — | — | — | — | — | S 11 | — | — | — | W 12 | W 8 | W 11 | — | — | — | — | — |
| kJ | 7 | — | 7 | — | — | — | — | — | — | 3 | — | — | — | 3 | 1 | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 3 | NW 2 | — | W 4 | W 5 | WSW 6 | W 7 | W 7 | W 6 | — | WSW 6 | — | — | W 5 | — | — | W 4 | — | — | W 7 | W 3 |
| kJ | 1 | 1 | — | 9 | 28 | 147 | 236 | 240 | 158 | — | 37 | — | — | 12 | — | — | 6 | — | — | 8 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 905 | 390 | 364 | 364 | 414 | 739 | 17 | 30 | 127 | 194 | 98 | 155 | 181 | 180 | 180 | 181 | 128 | 181 | 346 | 346 | |
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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