Grunta Beach Surf Break

Lat Long: 51.18° N 4.22° W

Grunta Beach 48 hour detailed Surf Forecast

Issued: 12 am 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Grunta Beach sea temperature is
19.2°C
2.9° 

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 (26 Aug):

  • Morning surf: Morning surf (26 Aug, local time) - 1.5ft (0.4m), 9s period with W swell.
  • Afternoon surf: Afternoon surf (26 Aug, local time) - 1.5ft (0.4m), 8s period with W swell.
  • Evening surf: Evening surf (26 Aug, local time) - 1.5ft (0.4m), 8s period with W swell.

The current surf forecast for Grunta Beach at 6AM is: 0.4m 9s primary swell from a West direction and 0.1m 8s secondary swell from a Southwest direction (forecast issued at 12:00am August 26). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (26 Aug)1.5ft (0.4m)9s
Afternoon (26 Aug)1.5ft (0.4m)8s
Evening (26 Aug)1.5ft (0.4m)8s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Thu morning. Warm (max 23°C on Wed afternoon, min 16°C on Tue night). Winds increasing (light winds from the ESE on Tue night, fresh winds from the SW by Fri afternoon).

Wednesday
26
Thursday
27
Friday
28
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
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
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)
0.4
W
10
0.4
W
9
0.4
W
9
0.4
W
9
0.4
W
8
0.4
W
8
0.4
W
8
0.4
W
8
0.3
W
8
0.3
W
8
0.3
W
8
0.3
W
7
0.4
WSW
7
0.7
WSW
4
0.4
SW
8
0.9
WSW
7
1.2
WSW
5
1.3
WSW
5
1.3
WSW
5
1.5
WSW
5
1.4
WSW
6
1.4
WSW
6
1.2
WSW
5
1
WSW
5
Wave Graph
Metric surfscale
Energy kJ
30
26
25
24
21
21
20
18
10
10
10
10
21
12
15
86
56
80
77
116
115
110
75
56
Wind (km/h)
10
ESE
10
SSE
15
SE
15
SSE
10
ENE
10
ENE
10
SSE
15
SE
15
E
20
E
15
E
15
SSE
25
WSW
25
WSW
15
WSW
15
SW
20
SSW
20
SSW
25
SSW
30
SW
30
SW
35
SW
30
WSW
25
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-on
on
on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:49AM7.78m
6:07PM8.28m
6:26AM8.24m
6:43PM8.69m
7:01AM8.61m
7:17PM9.00m
Low Tide
11:32PM2.15m
11:52AM2.00m
00:11AM1.69m
12:28PM1.59m
00:46AM1.33m
1:01PM1.29m
light rain
part cloud
clear
clear
clear
part cloud
clear
part cloud
cloud
part cloud
light rain
mod rain
rain showers
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:20
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:14
8:12
 mm
1
3
6
2
Temp °C
17
17
16
18
21
23
22
19
18
18
17
17
18
18
18
17
16
16
16
18
18
17
18
17
Feels °C
17
16
15
17
20
22
21
18
16
15
16
17
15
15
16
15
13
13
13
13
13
11
14
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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