Goolwa Rivermouth surfForecast / SA – East Coast / Australia

information circle12 Day Weather and Surf, issued 9 pm Monday 22 Dec 2025 ACDT
Forecast update in hr  min  s Forecast update imminent
Goolwa Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Goolwa Rivermouth sea temperature is
18.8° C
(Which is 1.5°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Goolwa Rivermouth this week:

The surf forecast for Goolwa Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 23) at 1PM. The primary swell is predicted to be 2.4m and 17s period. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Goolwa Rivermouth in the next 12 days are 2.5m 17s and forecast to arrive on Tuesday (Dec 23) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Saturday (Dec 27) at 4AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Tue 23rd Dec)8ft (2.4m) 17s
Best Surf 1PM (Tue 23rd Dec)8ft (2.4m) 17s
Most Powerful 4PM (Tue 23rd Dec)8ft (2.5m) 17s

Table - best surf conditions forecast for Goolwa Rivermouth over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 17°C on Mon night, min 13°C on Wed night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Sat morning, min 12°C on Thu night). Winds decreasing (fresh winds from the SSE on Thu night, calm by Sat night).

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Mon
29
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
1
0
!
0
0
0
0
0
0
2
0
4
2
0
2
1
0
2
3
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
SW
1.9
SW
2.5
SSW
2.5
SSW
2.5
SW
3
SSW
3
SSW
2.5
SSW
2.5
SSW
1.7
SSW
1.9
SSW
1.7
SSW
1.1
SW
0.9
SW
1.3
SSW
0.9
SSW
1
SSW
0.9
SW
1.3
SW
1.3
SW
1.6
SW
Period(s) (?)131317161514141413131212121616151414131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)946112944253738284839243388235721499281016811325371768372394301577535689
Wind
(km/h)
20
WSW
15
SSW
25
SSW
15
SW
20
SSW
25
SSW
25
SSE
25
SSE
30
S
30
SE
20
ESE
25
S
5
SE
20
NE
20
S
5
SSE
10
SE
25
SSW
10
S
10
ENE
25
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
onononononcross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
glasscross-
off
cross-
on
glasscrossononcross-
off
on
High Tide
/ height (m)
5:11AM
0.96
6:34PM
0.25
5:39AM
0.94
6:56PM
0.28
6:06AM
0.90
7:24PM
0.33
6:30AM
0.82
7:58PM
0.38
6:49AM
0.71
8:37PM
0.44
6:54AM
0.57
9:30PM
0.52
5:57AM
0.45
Low Tide
/ height (m)
1:07PM
-0.00
9:59PM
0.18
1:26PM
0.01
10:39PM
0.19
1:44PM
0.03
11:19PM
0.22
1:59PM
0.06
12:03AM
0.28
2:08PM
0.10
12:58AM
0.35
2:06PM
0.14
2:41AM
0.43
1:44PM
0.14
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Mon
29
Sunrise-5:56--5:56--5:56--5:56--5:58--5:58--5:58-
Sunset--8:30--8:30--8:30--8:30--8:30--8:31--8:31
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C171616151616141414141717172726202524203024
Feels °C (?)13121112121199881312172321192220192619
  • Map Icons:
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  • 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 12 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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