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

information circle12 Day Weather and Surf, issued 11 am Monday 08 Dec 2025 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
11.4° 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 (Dec 12) at 3AM. The primary swell is predicted to be 3.5m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Tenby (South Beach) in the next 12 days are 5.5m 13s and forecast to arrive on Tuesday (Dec 09) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Fri 12th Dec)11ft (3.5m) 13s
Best Surf 3AM (Fri 12th Dec)11ft (3.5m) 13s
Most Powerful12PM (Tue 9th Dec)18ft (5.5m) 13s

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 Heavy rain (total 28mm), heaviest during Mon night. Very mild (max 14°C on Mon night, min 9°C on Wed night). Winds decreasing (near gales from the SSW on Tue morning, light winds from the SW by Wed night).

Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Sat night. Very mild (max 12°C on Thu night, min 8°C on Thu night). Winds increasing (calm on Fri morning, strong winds from the SSW by Sat night).

Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
0
0
2
1
2
2
1
0
0
0
4
0
4
3
1
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
3
SW
3.5
WSW
3.5
WSW
5
SW
4.5
SW
4
WSW
3
WSW
2.5
WSW
2.2
SW
1.4
WSW
2.5
SW
3.5
SW
3
WSW
2.3
SW
3
WSW
4
WSW
3.5
WSW
4
SW
5
SW
4
SW
2.5
SW
Period(s) (?)1112171213131212111311131312181615910119
Wave
Graph
(?)Metric surfscale
Energy kJ (?)23302974715967307561530226761783119159416874351277315726113752857722438500232681062
Wind
(km/h)
20
SW
30
SSW
45
S
60
S
40
WSW
30
SW
25
W
20
WSW
20
SSW
30
SSE
30
SSE
35
S
0
WSW
20
SSW
20
SW
30
SW
30
SSW
45
SW
40
SSW
45
SSW
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on
cross-
on
cross-
off
crosscross-
off
cross-
off
cross-
on
ononcross-
on
glasscross-
on
crosscross-
off
crosscrosscrosscross-
on
cross-
off
High Tide
/ height (m)
8:39PM
7.40
9:02AM
7.56
9:29PM
6.94
9:53AM
7.11
10:22PM
6.47
10:48AM
6.64
11:20PM
6.06
11:48AM
6.23
12:24AM
5.79
12:53PM
5.97
1:31AM
5.71
1:59PM
5.88
2:34AM
5.81
Low Tide
/ height (m)
2:32PM
0.50
2:50AM
0.85
3:23PM
0.92
3:40AM
1.28
4:16PM
1.38
4:34AM
1.72
5:15PM
1.79
5:34AM
2.09
6:18PM
2.10
6:41AM
2.34
7:23PM
2.25
7:49AM
2.40
8:25PM
2.24
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Sunrise8:11--8:11--8:12--8:14--8:15--8:15--8:17--
Sunset-4:08--4:08--4:08--4:07--4:07--4:07--4:07-
rain showers
light rain
heavy rain
light rain
rain showers
rain showers
clear
clear
part cloud
part cloud
cloud
light rain
rain showers
part cloud
rain showers
rain showers
light rain
heavy rain
light rain
heavy rain
rain showers
Rain (mm)
1219411-----31-333131113
Temp. °C13131414121111111010111291010101012121312
Feels °C (?)784345676444553343545
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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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