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Surf Forecasts:

Goolwa Rivermouth surfForecast / SA – East Coast / Australia

information circle12 Day Weather and Surf, issued 3 pm Saturday 17 Jan 2026 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
18.3° C
 (Which is 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 Sunday (Jan 18) at 1AM. The primary swell is predicted to be 1.0m and 14s period with a secondary swell of 1.0m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Goolwa Rivermouth in the next 12 days are 2.3m 21s and forecast to arrive on Tuesday (Jan 20) at 7PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (Jan 19) at 7AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 18th Jan)3.5ft (1.0m) 14s
Best Surf 1AM (Sun 18th Jan)3.5ft (1.0m) 14s
Most Powerful 7PM (Tue 20th Jan)7.5ft (2.3m) 21s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 31°C on Sun afternoon, min 17°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the SW by Mon afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 31°C on Fri morning, min 15°C on Wed night). Winds decreasing (strong winds from the S on Tue afternoon, calm by Thu night).

Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
3
0
1
2
1
0
0
0
0
0
0
0
0
2
0
2
2
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SW
1
SW
1
SW
1
SW
1
SW
0.9
SW
0.9
SW
0.6
SW
0.6
SW
1.7
SSW
1.4
SW
1.9
SW
2.3
SW
1.5
SW
1.3
SW
1.2
SW
1
SW
1
SW
0.9
SW
0.7
SW
0.5
SW
Period(s) (?)121415141413131312221917161614141313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2233954244013952612861321222790144521402548106066757333632122314066
Wind
(km/h)
25
SSW
5
WSW
30
NE
25
E
25
NE
30
NNE
35
SW
10
WSW
25
SSE
40
S
25
S
25
SSE
35
S
30
SSE
15
SE
20
S
5
SSW
15
ENE
20
SSE
5
NNW
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglasscross-
off		cross-
off		offoffcross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		oncross-
on		crossonglasscross-
off		cross-
on		glassoff
High Tide
/ height (m)
3:37AM
0.91
5:44PM
0.26
4:04AM
0.95
5:33PM
0.27
4:30AM
0.97
5:37PM
0.31
4:54AM
0.96
5:50PM
0.36
5:17AM
0.91
6:08PM
0.42
5:38AM
0.83
6:29PM
0.48
5:54AM
0.71
Low Tide
/ height (m)
11:44AM
-0.03
8:14PM
0.23
11:55AM
-0.03
9:02PM
0.19
12:07PM
-0.03
9:41PM
0.16
12:18PM
-0.01
10:19PM
0.16
12:28PM
0.02
10:56PM
0.17
12:35PM
0.04
11:36PM
0.21
12:38PM
0.07
Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise--6:16--6:18--6:18--6:20--6:20--6:22--6:22
Sunset8:30--8:30--8:30--8:30--8:30--8:29--8:29--
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C202130312729221922201718181618181731302738
Feels °C (?)161825262424171718141313121015141626252134
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Goolwa Rivermouth 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.

View detailed surf forecast for Goolwa Rivermouth at:
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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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