Grunta Beach Surf Break

Lat Long: 51.18° N 4.22° W

Grunta Beach 48 hour detailed Surf Forecast

Issued: 12 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Grunta Beach sea temperature is
18.7°C
2.6° 

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 (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 6ft (1.8m), 9s period with W swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 6ft (1.8m), 9s period with W swell.
  • Evening surf: Evening surf (08 Sep, local time) - 6ft (1.9m), 7s period with W swell.

The current surf forecast for Grunta Beach at 7PM is: 1.8m 6s primary swell from a West direction (forecast issued at 12:00pm September 08). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (08 Sep)6ft (1.8m)9s
Afternoon (08 Sep)6ft (1.8m)9s
Evening (08 Sep)6ft (1.9m)7s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Tue morning. Very mild (max 18°C on Thu morning, min 13°C on Wed night). Winds decreasing (strong winds from the NW on Tue morning, light winds from the WSW by Wed night).

Tue
8
Wednesday
9
Thursday
10
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
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)
1.7
W
9
1.7
W
9
1.8
W
9
1.8
W
6
1.9
W
7
1.9
W
7
1.8
W
8
1.5
W
8
1.4
W
8
1.2
W
8
0.7
WSW
8
0.9
W
8
0.8
W
8
0.7
W
8
0.6
W
8
0.5
W
8
0.4
WSW
8
1.1
WSW
5
1.6
WSW
7
2.1
WSW
8
2.3
WSW
8
Wave Graph
Metric surfscale
Energy kJ
481
481
528
269
321
355
387
259
253
190
68
105
84
63
43
29
21
69
237
481
737
Wind (km/h)
25
NW
40
NW
35
WNW
35
WNW
40
NW
35
NW
30
NW
25
NNW
20
NW
15
WNW
15
WNW
15
W
10
WSW
15
S
20
SSW
20
S
25
SSW
30
SW
35
SSW
35
SSW
30
W
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
High Tide
4:53PM8.11m
5:26AM8.32m
5:47PM8.86m
6:16AM8.95m
6:34PM9.39m
Low Tide
10:34AM2.29m
11:11PM1.76m
11:32AM1.57m
00:03AM1.13m
12:19PM1.02m
light rain
clear
clear
clear
rain showers
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:41
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:47
7:45
7:43
 mm
1
1
1
1
Temp °C
15
15
16
16
16
15
14
14
14
14
14
14
14
14
13
13
16
18
18
16
17
Feels °C
10
7
8
9
9
8
7
9
10
10
11
10
12
11
9
9
11
13
12
10
13
  • 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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