Tenby (South Beach) surfForecast / Wales – Pembrokeshire / UK

information circle12 Day Weather and Surf, issued 11 am Wednesday 11 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Tenby (South Beach) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tenby (South Beach) sea temperature is
8.9° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Tenby (South Beach) this week:

The surf forecast for Tenby (South Beach) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Mar 13) at 6PM. The primary swell is predicted to be 3.0m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Tenby (South Beach) in the next 12 days are 4.5m 11s and forecast to arrive on Thursday (Mar 12) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Monday (Mar 16) at 3PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Fri 13th Mar)10ft (3.0m) 10s
Best Surf 6PM (Fri 13th Mar)10ft (3.0m) 10s
Most Powerful 6PM (Thu 12th Mar)15ft (4.5m) 11s

Table - best surf conditions forecast for Tenby (South Beach) over the next 12 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 13mm), heaviest on Fri afternoon. Very mild (max 12°C on Thu afternoon, min 4°C on Fri night). Winds decreasing (near gales from the SSW on Thu morning, light winds from the NW by Fri night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 10°C on Sun afternoon, min 6°C on Sat morning). Winds increasing (light winds from the W on Sat night, fresh winds from the WNW by Sun afternoon).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
2
0
0
0
1
1
2
3
3
1
1
0
0
2
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
WSW
3
WSW
2.5
WSW
4
SW
4.5
SW
4
WSW
4
WSW
3
WSW
2.3
WSW
1.9
WSW
1.7
WSW
1.4
WSW
1.4
SW
2
WSW
2
W
0.6
W
0.7
WSW
2.3
SW
3
SW
3
SW
2
SSW
Period(s) (?)81514910101010101310887718167998
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8473360263522444659301431471596979113949727526134043124628356912271360487
Wind
(km/h)
30
W
30
W
35
SW
55
SSW
55
SW
35
W
40
WSW
35
W
20
WNW
10
NW
15
W
10
W
20
SW
35
WNW
20
WNW
20
SW
30
SSW
30
S
30
SSE
25
S
25
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
crossoffoffcrosscrosscross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
10:47AM
5.62
11:14PM
5.43
11:52AM
5.12
12:40AM
5.07
1:39PM
4.95
2:30AM
5.19
3:14PM
5.29
3:44AM
5.72
4:11PM
5.88
4:31AM
6.38
4:53PM
6.52
5:10AM
7.05
5:30PM
7.15
Low Tide
/ height (m)
4:52PM
2.63
5:29AM
2.85
6:09PM
3.07
7:17AM
3.12
8:12PM
3.09
9:07AM
2.84
9:36PM
2.64
10:09AM
2.27
10:27PM
2.03
10:52AM
1.62
11:06PM
1.40
11:28AM
0.99
11:41PM
0.82
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Sunrise6:43--6:41--6:37--6:35--6:33--6:31--6:28--
Sunset-6:15--6:16--6:17--6:20--6:22--6:23--6:24-
clear
clear
cloud
cloud
light rain
mod rain
rain showers
rain showers
clear
clear
part cloud
part cloud
cloud
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
part cloud
Rain (mm)
----1615-------------
Temp. °C999111297668868107889111110
Feels °C (?)22202-1-3-21332120313565
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 12 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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