Grunta Beach Surf Break

Lat Long: 51.18° N 4.22° W

Grunta Beach 48 hour detailed Surf Forecast

Issued: 12 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Grunta Beach sea temperature is
18.9° C
2.4° 

Grunta 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 Grunta Beach today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 2ft (0.6m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 2.5ft (0.7m), 10s period with W swell.
  • Evening surf: Evening surf (12 Aug, local time) - 2.5ft (0.8m), 9s period with WSW swell.

The current surf forecast for Grunta Beach at 6PM is: 0.7m 9s primary swell from a West-southwest direction (forecast issued at 12:00pm August 12). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 Aug)2ft (0.6m)10s
Afternoon (12 Aug)2.5ft (0.7m)10s
Evening (12 Aug)2.5ft (0.8m)9s

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


Short Range Forecast

Mostly dry. Warm (max 31°C on Wed afternoon, min 16°C on Fri night). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
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)
1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
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)
0.6
W
10
0.7
W
10
0.7
WSW
10
0.8
WSW
9
0.8
WSW
9
0.8
WSW
9
0.8
WSW
9
0.9
WSW
9
0.9
WSW
11
0.9
WSW
10
0.9
WSW
10
0.9
WSW
10
1
W
10
0.9
W
10
0.9
W
10
0.8
W
9
0.8
W
9
0.8
W
9
0.8
W
9
0.8
W
9
0.9
W
8
Wave Graph
Metric surfscale
Energy kJ
73
96
94
113
110
110
113
147
187
173
167
163
190
151
145
108
106
101
99
93
108
Wind (km/h)
20
E
25
ESE
15
SSW
5
WNW
5
WSW
5
WSW
0
SE
5
N
10
NW
15
WNW
20
W
20
W
15
W
10
W
10
WSW
10
WSW
20
W
20
W
25
W
20
NW
25
NNW
Wind State
off
off
cross-on
cross-on
cross-on
cross-on
glassy
glassy
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
High Tide
6:49PM9.19m
7:17AM9.16m
7:36PM9.55m
8:02AM9.38m
8:19PM9.66m
Low Tide
12:31PM1.06m
1:04AM0.75m
1:19PM0.70m
1:50AM0.52m
2:02PM0.56m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:58
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:43
8:40
 mm
Temp °C
24
30
31
28
25
23
22
21
22
22
22
20
19
19
18
18
19
18
18
19
18
Feels °C
20
26
29
27
25
23
23
21
21
20
20
19
19
20
19
19
18
17
16
17
15
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grunta Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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