Grinders Surf Break

Lat Long: 38.42° S 144.19° E

Grinders 48 hour detailed Surf Forecast

Issued: 3 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Grinders sea temperature is
13.4° C
0.4° 

Grinders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Grinders today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 2ft (0.6m), 17s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.8m), 16s period with SW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.

The current surf forecast for Grinders at 7AM is: 0.8m 15s primary swell from a Southwest direction and 0.7m 6s secondary swell from a Southeast direction (forecast issued at 03:00am August 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (AEST) & DateWave HeightWave Period
Morning (18 Aug)2ft (0.6m)17s
Afternoon (18 Aug)2.5ft (0.8m)16s
Evening (18 Aug)2.5ft (0.7m)16s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Wed afternoon. Very mild (max 17°C on Tue afternoon, min 10°C on Wed night). Mainly fresh winds.

Tuesday
18
Wednesday
19
Thursday
20
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)
3
3
2
1
1
1
1
1
1
0
0
0
0
1
1
1
0
1
1
0
0
0
0
4
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)
1.1
SW
15
0.9
SW
15
0.8
SW
15
0.6
SW
17
0.8
SW
17
0.8
SW
16
0.7
SW
16
0.7
SW
16
0.6
SW
16
0.6
SW
15
0.6
SW
15
0.5
SW
15
0.4
SW
15
0.4
SW
16
0.4
SW
15
0.4
SW
15
0.4
SW
14
0.4
SW
14
0.5
SW
14
0.4
SW
18
0.4
SW
17
0.5
SW
13
0.6
SW
16
2.1
WSW
13
Wave Graph
Metric surfscale
Energy kJ
485
360
305
238
408
310
245
242
196
143
137
109
83
85
78
76
54
54
93
91
100
91
159
1344
Wind (km/h)
10
ENE
10
NE
15
NE
20
NNE
25
NE
25
NNE
20
NNE
20
NE
25
NE
25
NNE
30
NNE
30
NNE
25
N
20
NNW
10
NNW
15
NW
20
NW
15
NW
15
NW
20
NW
25
NW
20
WNW
15
W
10
WNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
High Tide
3:14AM1.88m
3:13PM1.90m
3:56AM1.86m
3:44PM1.84m
4:35AM1.81m
4:14PM1.76m
Low Tide
9:12AM0.42m
9:34PM0.14m
9:50AM0.52m
10:09PM0.15m
10:26AM0.63m
clear
clear
clear
cloud
part cloud
part cloud
part cloud
cloud
rain showers
clear
cloud
light rain
light rain
light rain
rain showers
clear
cloud
cloud
part cloud
clear
clear
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:05
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:49
5:50
 mm
1
1
2
3
1
Temp °C
11
11
11
12
16
17
15
14
13
13
14
13
13
13
14
13
11
10
10
11
16
14
12
11
Feels °C
9
9
8
7
11
12
11
10
9
9
8
7
8
9
12
10
7
7
7
6
11
10
9
8
  • 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 Grinders 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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