Surf Break

Lat Long: 51.18° N 4.22° W

Grunta Beach 48 hour detailed Surf Forecast

Issued: 6 pm 25 Sep 2026 (local time)

Forecast update in  hr  min

Today's Grunta Beach sea temperature is
18.3°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 Sep):

  • Morning surf: Morning surf (26 Sep, local time) - 4ft (1.2m), 12s period with W swell.
  • Afternoon surf: Afternoon surf (26 Sep, local time) - 4ft (1.2m), 11s period with W swell.
  • Evening surf: Evening surf (26 Sep, local time) - 3.5ft (1.1m), 11s period with W swell.

The current surf forecast for Grunta Beach at 3AM is: 1.3m 13s primary swell from a West direction (forecast issued at 06:00pm September 25). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (26 Sep)4ft (1.2m)12s
Afternoon (26 Sep)4ft (1.2m)11s
Evening (26 Sep)3.5ft (1.1m)11s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun afternoon. Very mild (max 17°C on Sun morning, min 12°C on Sat night). Winds decreasing (fresh winds from the S on Sun afternoon, light winds from the NNE by Mon morning).

Fri
25
Saturday
26
Sunday
27
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
1
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
W
14
1.4
W
14
1.4
W
14
1.4
W
13
1.3
W
13
1.3
W
12
1.2
W
12
1.2
W
12
1.2
W
11
1.2
W
11
1.1
W
11
1.1
W
11
1
W
10
0.6
W
10
0.7
W
10
0.7
W
10
1.1
SW
7
1.1
WSW
10
1.3
W
10
Wave Graph
Metric surfscale
Energy kJ
928
790
704
663
555
496
409
396
357
338
279
274
206
72
96
94
100
245
346
Wind (km/h)
25
NW
20
WNW
20
WNW
20
WNW
20
WNW
15
W
15
WSW
20
WSW
15
WSW
10
SW
10
S
15
SSE
15
SSE
15
SSE
20
SE
25
S
30
S
20
W
20
NW
Wind State
cross-on
cross-on
on
on
on
on
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
on
cross-on
High Tide
6:12PM8.85m
6:31AM8.84m
6:48PM9.21m
7:06AM9.16m
7:23PM9.44m
Low Tide
00:17AM1.22m
12:32PM1.19m
00:51AM0.93m
1:05PM0.95m
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
clear
part cloud
cloud
light rain
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:07
—
—
—
—
—
—
—
7:09
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:08
—
—
—
—
—
—
—
7:07
—
—
—
—
—
—
—
7:05
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
1
3
1
Temp °C
15
15
15
15
15
15
15
16
16
16
14
13
12
12
13
17
17
16
15
Feels °C
10
12
11
11
12
12
12
13
13
14
12
10
8
8
9
13
12
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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