Surf Forecasts:
Tenby (North Beach) surf forecast from 18 Aug 2026:
- Best quality surf: Thursday 20 Aug, 4AM (local time) - 6ft (1.9m), 8s period, W swell with offshore winds.
- Most powerful swell: Tuesday 25 Aug, 7AM (local time) - 10ft (3.0m), 9s period, SW swell with 1,342 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 4AM (local time) - 6ft (1.9m), 8s period with W swell.
Best Forecast Surf Conditions for Tenby (North Beach) this week:
The surf forecast for Tenby (North Beach) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 4AM. The primary swell is predicted to be 1.9m and 8s period with a secondary swell of 1.6m and 7s. Another secondary swell of 0.1m and 15s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Tenby (North Beach) in the next 16 days are 3.0m 9s and forecast to arrive on Tuesday (Aug 25) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Wednesday (Aug 19) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Thu 20th Aug) | 6ft (1.9m) 8s |
| Best Surf | 4AM (Thu 20th Aug) | 6ft (1.9m) 8s |
| Most Powerful | 7AM (Tue 25th Aug) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Tenby (North Beach) over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 19°C on Tue morning, min 12°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Fri morning. Very mild (max 18°C on Fri afternoon, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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 6 | WSW 6 | WSW 6 | W 9 | SW 16 | WSW 7 | WSW 7 | W 9 | WSW 9 | WSW 8 | W 8 | WSW 9 | SSW 15 | WSW 10 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 123 | 101 | 101 | 10 | 10 | 301 | 208 | 263 | 103 | 54 | 34 | 15 | 21 | 18 | 21 | 20 | 19 | 20 | 19 | 18 | 776 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | off | off | cross-off | cross | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross | on |
High Tide | 10:35AM7.05m | 10:55PM6.89m | 11:14AM6.51m | 11:35PM6.26m | 11:58AM5.96m | 00:25AM5.67m | 12:55PM5.47m | 1:34AM5.23m | 2:19PM5.20m | 3:09AM5.13m | 3:52PM5.33m | 4:31AM5.41m | 4:59PM5.77m | ||||||||
Low Tide | 4:42PM1.21m | 5:03AM1.52m | 5:21PM1.77m | 5:43AM2.09m | 6:07PM2.32m | 6:35AM2.60m | 7:13PM2.78m | 7:55AM2.95m | 8:51PM2.96m | 9:36AM2.93m | 10:23PM2.72m | 10:51AM2.55m | 11:22PM2.26m | ||||||||
 |  |  |  | | | | |  | | |  | |  | | | | | | |  | |
 | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — |
 | — | 8:36 | — | — | 8:34 | — | — | 8:31 | — | — | 8:30 | — | — | 8:28 | — | — | 8:25 | — | — | 8:23 | — |
mm | — | — | 1 | 1 | — | 1 | — | 1 | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 16 | 18 | 18 | 17 | 18 | 18 | 15 | 16 | 18 | 15 | 16 | 18 | 14 | 17 | 18 | 14 | 17 | 19 | 17 |
Feels °C | 15 | 15 | 13 | 14 | 13 | 13 | 14 | 13 | 12 | 15 | 15 | 12 | 14 | 14 | 11 | 16 | 15 | 11 | 14 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | SW 17 | WSW 6 | W 9 | SW 16 | SSW 16 | WSW 7 | W 9 | WSW 9 | WSW 8 | W 8 | WSW 9 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | W 8 | WSW 8 | WSW 9 | — |
| kJ | 123 | 11 | 101 | 7 | 10 | 24 | 208 | 263 | 103 | 54 | 34 | 15 | 18 | 18 | 16 | 16 | 16 | 12 | 14 | 15 | — |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 17 | SW 17 | SW 16 | — | — | SW 15 | SW 14 | SSW 14 | NNW 6 | NW 4 | SW 13 | SSW 15 | SW 15 | SSW 15 | NNW 3 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | — |
| kJ | 11 | 11 | 12 | 10 | — | — | 8 | 8 | 20 | 4 | 3 | 7 | 21 | 9 | 21 | 1 | 19 | 20 | 19 | 18 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 16 | — | — | — | — | N 7 | SW 13 | SW 13 | SW 16 | NW 5 | — | SW 12 | SSW 14 | — | — | — | — | — |
| kJ | — | — | — | 10 | — | — | — | — | 1 | 7 | 7 | 10 | 1 | — | 6 | 20 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 6 | — | WSW 6 | WSW 5 | WSW 7 | — | — | N 4 | NNE 3 | — | N 3 | E 3 | NW 5 | NNW 3 | — | NW 3 | — | SSW 2 | SSW 4 | SW 8 |
| kJ | — | 101 | — | 54 | 94 | 301 | — | — | 14 | 1 | — | 3 | 3 | 4 | 3 | — | 2 | — | 1 | 26 | 776 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 128 | 364 | 30 | 31 | 371 | 128 | 2 | 2 | 26 | 9 | 183 | 76 | 69 | 160 | 90 | 25 | 183 | 190 | 190 | 161 | 9 |
Best forecast wave conditions in Wales - Pembrokeshire | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Tenby (North Beach) Surf forecast
The above surf forecast table for Tenby (North 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 (North Beach) can be found by selecting the local surf guide option on the grey menu. Our Tenby (North 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 (North 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 (North 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 (North 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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