Grinders Surf Break

Lat Long: 38.42° S 144.19° E

Grinders 48 hour detailed Surf Forecast

Issued: 3 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Grinders sea temperature is
13.5° C
0.5° 

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 (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 1.5ft (0.4m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 16s period with SW swell.
  • Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 16s period with SW swell.

The current surf forecast for Grinders at 9AM is: 0.4m 14s primary swell from a Southwest direction and 0.3m 18s secondary swell from a Southwest direction (forecast issued at 03:00am August 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (20 Aug)1.5ft (0.4m)14s
Afternoon (20 Aug)2ft (0.6m)16s
Evening (20 Aug)2ft (0.6m)16s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Thu afternoon. Very mild (max 15°C on Thu morning, min 8°C on Thu night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
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
1
1
0
0
0
1
1
1
2
1
1
3
2
3
2
3
!
!
4
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)
0.3
SW
19
0.4
SW
14
0.4
SW
14
0.4
SW
18
0.6
SW
17
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.7
SW
16
0.8
SW
16
0.8
SW
15
0.8
SW
15
0.6
SW
18
0.6
SW
18
2.3
WSW
14
1.3
SW
16
1.5
SW
16
1.5
SW
15
1.6
SW
16
3
SW
15
3
SW
15
1.6
SW
15
1.7
SW
15
Wave Graph
Metric surfscale
Energy kJ
54
54
70
78
177
163
159
159
163
251
302
273
309
194
194
2109
844
1068
1014
1164
4575
4401
1140
1237
Wind (km/h)
20
NW
20
NW
20
NW
20
NW
15
NW
15
NW
15
W
20
WNW
20
WNW
20
WNW
15
WNW
20
WNW
15
WNW
15
WNW
15
WNW
20
WNW
20
WNW
20
WNW
20
W
20
WNW
20
W
20
WSW
10
W
10
WNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-off
cross-off
High Tide
4:35AM1.81m
4:14PM1.76m
5:14AM1.73m
4:42PM1.68m
5:55AM1.63m
5:11PM1.58m
Low Tide
10:09PM0.15m
10:26AM0.63m
10:43PM0.21m
11:00AM0.74m
11:17PM0.28m
11:34AM0.85m
cloud
cloud
cloud
cloud
cloud
cloud
mod rain
clear
clear
clear
cloud
clear
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:01
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:51
5:52
 mm
7
Temp °C
12
11
11
12
15
14
11
9
9
8
8
11
14
13
12
12
11
10
10
11
13
14
13
13
Feels °C
8
7
7
8
12
11
8
5
4
3
4
7
11
9
8
8
7
6
6
7
9
10
10
11
  • 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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