Goolwa Rivermouth Surf Break

Lat Long: 35.56° S 138.88° E

Goolwa Rivermouth Surf Forecast and Surf Report

Issued: 2 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Goolwa Rivermouth sea temperature is
14.2° C
0.1° 

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


Goolwa Rivermouth surf forecast from 17 Aug 2026:

  • Best quality surf: Friday 21 Aug, 6PM (local time) - 7ft (2.1m), 17s period, SW swell with cross-shore winds.
  • Most powerful swell: Saturday 22 Aug, 12AM (local time) - 7.5ft (2.3m), 16s period, SW swell with 2,578 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 6PM (local time) - 3.5ft (1.1m), 16s period with SW swell.

Best Forecast Surf Conditions for Goolwa Rivermouth this week:

The surf forecast for Goolwa Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 6PM. The primary swell is predicted to be 1.1m and 16s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Goolwa Rivermouth in the next 16 days are 2.3m 16s and forecast to arrive on Saturday (Aug 22) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Aug 19) at 9AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Tue 18th Aug)3.5ft (1.1m) 16s
Best Surf 6PM (Fri 21st Aug)7ft (2.1m) 17s
Most Powerful12AM (Sat 22nd Aug)7.5ft (2.3m) 16s

Table - best surf conditions forecast for Goolwa Rivermouth over the next 16 days.


Short Range Forecast

Light rain (total 7mm), mostly falling on Tue afternoon. Very mild (max 16°C on Tue afternoon, min 11°C on Mon night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 15°C on Thu afternoon, min 12°C on Thu night). Wind will be generally light.

Mon
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
3
2
1
0
0
2
1
3
3
2
3
!
!
!
!
4
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
SW
16
1.4
SW
15
1.4
SW
17
1.2
SW
16
1
SW
16
0.9
SW
16
0.9
SW
15
1.5
WSW
10
1.3
SW
11
1.3
SW
13
1.7
SW
16
1.7
SW
14
2
SW
17
2.3
SW
16
2.3
SW
16
2.2
SW
16
2.1
SW
14
1.9
SW
14
1.7
SW
13
1.7
SW
15
Wave Graph
Metric surfscale
Energy kJ
1486
881
1098
795
489
358
318
504
414
591
1420
1179
2259
2578
2481
2352
1785
1367
996
1323
Wind (km/h)
25
NE
20
NE
30
NE
30
NNE
25
NNE
30
NW
25
W
15
WNW
15
W
15
W
15
W
15
W
10
WSW
20
WNW
20
W
20
SW
5
WSW
5
NNW
10
SSE
5
NNE
Wind State
off
cross-off
off
off
off
cross-off
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross-on
on
cross-on
cross-off
cross-on
off
High Tide
3:58PM0.56m
5:04AM0.69m
3:58PM0.49m
5:33AM0.71m
3:44PM0.43m
6:06AM0.70m
2:38PM0.41m
6:49AM0.66m
8:29AM0.63m
11:55AM0.67m
Low Tide
10:15PM0.06m
11:09AM0.28m
10:19PM0.04m
11:52AM0.35m
10:22PM0.04m
1:04PM0.41m
10:21PM0.04m
10:11PM0.05m
9:52PM0.05m
9:32PM0.04m
cloud
part cloud
part cloud
rain showers
rain showers
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:52
6:50
6:48
6:48
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:43
5:44
5:44
5:45
5:45
5:46
5:46
 mm
3
4
Temp °C
15
14
15
16
15
15
15
13
15
15
13
14
15
14
14
15
14
14
14
12
Feels °C
10
10
10
11
10
9
9
9
12
12
10
12
12
11
10
11
12
12
11
10
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Goolwa Rivermouth Surf forecast

The above surf forecast table for Goolwa Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Goolwa Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Goolwa Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Goolwa Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Goolwa Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

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