Grunta Beach Surf Break

Lat Long: 51.18° N 4.22° W

Grunta Beach 48 hour detailed Surf Forecast

Issued: 6 am 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Grunta Beach sea temperature is
18.8°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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 7ft (2.2m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 6ft (1.9m), 8s period with W swell.
  • Evening surf: Evening surf (04 Sep, local time) - 5.5ft (1.7m), 8s period with W swell.

The current surf forecast for Grunta Beach at 12PM is: 2.0m 8s primary swell from a West direction and 0.1m 15s secondary swell from a Southwest direction (forecast issued at 06:00am September 04). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (04 Sep)7ft (2.2m)8s
Afternoon (04 Sep)6ft (1.9m)8s
Evening (04 Sep)5.5ft (1.7m)8s

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


Short Range Forecast

Some drizzle, heaviest during Fri morning. Warm (max 24°C on Sun afternoon, min 15°C on Fri night). Winds decreasing (fresh winds from the W on Fri afternoon, light winds from the W by Sat afternoon).

Friday
4
Saturday
5
Sunday
6
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
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
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
WSW
8
2.3
W
8
2.1
W
8
2
W
8
1.9
W
8
1.7
W
8
1.7
W
7
1.4
W
7
1.3
W
7
1.1
W
7
0.9
W
7
1
W
8
0.9
W
10
0.8
W
10
0.8
W
10
0.7
W
10
0.6
W
9
0.6
W
9
0.4
W
9
0.7
WSW
7
0.7
WSW
7
0.8
WSW
8
0.9
WSW
8
Wave Graph
Metric surfscale
Energy kJ
760
709
601
516
454
355
303
199
167
117
71
114
148
120
120
88
60
59
25
45
52
77
89
Wind (km/h)
50
SW
30
W
35
W
35
WNW
35
W
35
W
30
W
25
WNW
25
WNW
20
WNW
10
WNW
10
W
15
W
5
W
10
S
10
SE
10
SSE
20
SE
15
SSE
10
S
15
SW
20
SW
20
SSW
Wind State
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
on
on
on
on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
High Tide
11:13AM7.71m
11:48PM7.40m
12:18PM7.14m
1:11AM6.88m
1:58PM6.89m
Low Tide
4:45AM2.25m
5:10PM2.56m
5:46AM2.88m
6:36PM3.10m
7:30AM3.27m
8:36PM3.10m
cloud
light rain
light rain
cloud
cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:57
7:54
7:52
 mm
2
1
Temp °C
19
17
17
16
16
17
16
16
15
15
15
16
16
16
16
16
15
15
18
23
24
20
18
Feels °C
13
13
12
10
10
11
11
11
11
12
13
14
14
15
15
15
13
11
15
21
21
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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