Surf Break

Lat Long: 35.56° S 138.88° E

Goolwa Rivermouth Surf Forecast and Surf Report

Issued: 2 am 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Goolwa Rivermouth sea temperature is
15.5°C
1.1° 

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 26 Sep 2026:

  • Best quality surf: Thursday 1 Oct, 9PM (local time) - 7ft (2.1m), 15s period, SW swell with cross-onshore winds.
  • Most powerful swell: Sunday 27 Sep, 9AM (local time) - 6ft (1.9m), 16s period, SW swell with 1,916 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 29 Sep, 6AM (local time) - 5ft (1.5m), 16s period with SSW 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 (Sep 29) at 6AM. The primary swell is predicted to be 1.5m 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 1.9m 16s and forecast to arrive on Sunday (Sep 27) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Tuesday (Sep 29) at 12AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Tue 29th Sep)5ft (1.5m) 16s
Best Surf 9PM (Thu 1st Oct)7ft (2.1m) 15s
Most Powerful 9AM (Sun 27th Sep)6ft (1.9m) 16s

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


Short Range Forecast

Some drizzle, heaviest during Tue night. Warm (max 31°C on Tue morning, min 8°C on Sun morning). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 6mm), mostly falling on Thu morning. Warm (max 22°C on Thu morning, min 8°C on Fri night). Mainly fresh winds.

Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
3
2
2
2
3
3
4
4
2
4
1
0
!
1
0
2
3
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SW
16
1.8
SW
16
1.6
SW
15
1.3
SSW
14
1.3
SSW
13
0.8
SSW
18
1.4
SSW
16
1.4
SSW
16
1.5
SSW
15
1.5
SSW
17
1.6
SW
16
1.7
SW
15
1.5
SW
15
1.4
SW
14
2.1
SW
15
2
SW
16
1.9
SSW
15
1.7
SW
15
1.8
SSW
14
1.7
SSW
14
1.4
SW
14
Wave Graph
Metric surfscale
Energy kJ
1916
1591
1045
663
634
390
957
921
1042
1289
1239
1359
953
763
1808
1909
1592
1237
1319
1175
681
Wind (km/h)
25
ESE
20
SE
20
E
25
NE
20
ENE
30
NE
25
NNE
20
N
5
NW
10
NNW
15
WNW
10
NNE
30
NW
15
WSW
20
WSW
15
SSW
20
SSE
20
ESE
15
E
20
S
20
ESE
Wind State
cross
cross-on
cross-off
cross-off
cross-off
off
off
off
glassy
cross-off
cross
off
cross-off
cross-on
cross-on
on
cross-on
cross
cross-off
cross-on
cross
High Tide
2:38PM0.57m
2:59AM0.71m
3:03PM0.47m
3:22AM0.79m
3:22PM0.36m
3:50AM0.85m
3:25PM0.27m
4:22AM0.87m
2:34PM0.21m
5:01AM0.86m
5:49AM0.82m
Low Tide
8:32PM0.13m
9:33AM0.14m
8:32PM0.14m
10:23AM0.14m
8:30PM0.12m
11:23AM0.17m
8:26PM0.09m
1:05PM0.20m
8:22PM0.05m
8:19PM0.02m
8:17PM0.00m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
rain showers
rain showers
rain showers
thunderstorm
rain showers
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
—
—
5:56
—
—
5:54
—
—
5:52
—
—
5:52
—
—
5:50
—
—
5:48
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:13
—
—
6:14
—
—
6:15
—
—
6:15
—
—
6:16
—
—
6:16
—
—
6:17
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 mm
—
—
—
—
—
—
—
—
1
1
1
1
2
1
—
—
—
—
—
—
—
Temp °C
11
13
13
19
23
21
31
30
20
20
19
18
22
17
14
13
13
12
12
12
11
Feels °C
5
7
8
14
18
15
26
25
20
19
17
17
18
16
12
9
9
8
9
7
7
  • 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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