Tenby (South Beach) Surf Break

Lat Long: 51.67° N 4.70° W

Tenby (South Beach) 48 hour detailed Surf Forecast

Issued: 12 pm 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Tenby (South Beach) sea temperature is
17.9°C
2.6° 

Tenby (South Beach) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Tenby (South Beach) today (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 1.5ft (0.5m), 7s period with WSW swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.5m), 7s period with WSW swell.
  • Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.5m), 7s period with W swell.

The current surf forecast for Tenby (South Beach) at 4PM is: 0.5m 7s primary swell from a West-southwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 12:00pm September 21). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (21 Sep)1.5ft (0.5m)7s
Afternoon (21 Sep)1.5ft (0.5m)7s
Evening (21 Sep)1.5ft (0.5m)7s

Table - waves today at Tenby (South Beach). (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 19°C on Tue morning, min 12°C on Wed night). Wind will be generally light.

Mon
21
Tuesday
22
Wednesday
23
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
WSW
7
0.5
WSW
7
0.5
WSW
7
0.5
WSW
7
0.5
W
7
0.5
W
7
0.5
W
7
0.5
W
7
0.5
W
8
0.6
W
11
0.7
W
12
0.8
W
12
0.8
W
11
0.9
W
11
0.7
WSW
15
0.7
W
14
1
W
14
1
W
13
0.9
WSW
13
0.8
W
13
0.7
W
12
Wave Graph
Metric surfscale
Energy kJ
29
29
29
29
26
26
27
28
30
89
130
171
157
188
231
203
400
361
282
212
141
Wind (km/h)
10
S
5
S
10
SW
10
WSW
5
WNW
5
WNW
5
NW
5
NW
5
WNW
10
SW
10
W
10
NW
5
NNW
5
WNW
10
WSW
10
WNW
25
NNW
30
N
25
N
20
N
15
N
Wind State
cross-on
cross-on
cross-off
cross-off
off
glassy
glassy
off
glassy
cross
cross-off
off
off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
3:17PM5.23m
4:00AM5.29m
4:28PM5.72m
4:55AM5.84m
5:14PM6.32m
Low Tide
9:00AM3.06m
9:53PM2.80m
10:20AM2.64m
10:52PM2.28m
11:09AM2.08m
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:03
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:20
7:17
7:15
 mm
Temp °C
15
17
18
17
17
17
16
16
17
19
19
19
18
18
18
18
15
15
15
13
14
Feels °C
15
18
19
17
18
18
17
17
19
20
19
19
18
18
18
17
11
10
10
9
11
  • 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
How to use the Wavefinder 

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