Goolwa Rivermouth surfForecast / SA – East Coast / Australia

information circle12 Day Weather and Surf, issued 3 pm Friday 26 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
18.4° C
(Which is slightly warmer than usual)


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 (Dec 28) at 1AM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 0.7m 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 18s and forecast to arrive on Friday (Dec 26) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Friday (Jan 02) at 10AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 28th Dec)3ft (0.9m) 15s
Best Surf 1AM (Mon 29th Dec)4.5ft (1.4m) 16s
Most Powerful 7PM (Fri 26th Dec)7.5ft (2.3m) 18s

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. Warm (max 31°C on Mon morning, min 13°C on Fri night). Winds decreasing (fresh winds from the SSE on Fri afternoon, calm by Sat night).

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Mon afternoon, min 12°C on Wed night). Winds increasing (light winds from the SSW on Mon afternoon, fresh winds from the S by Tue afternoon).

Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
2
0
2
2
0
4
3
0
0
0
0
0
0
0
0
1
0
0
3
Swell
Height Map
Wave Height (m) & direction (?)
1.9
SSW
1.7
S
0.9
SW
1.1
SW
0.9
SW
0.6
SW
0.6
SSW
1.4
SW
1.5
SW
1.8
SW
1.7
SSW
1.8
SSW
2
SSW
2.1
SSW
1.7
SSW
2
SSW
1.9
SSW
1.4
SSW
1.4
SW
1.1
SW
0.6
SW
Period(s) (?)1281616151414161413121111109131312121121
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10003233715733091671341018890105386481492680051713631198569568273344
Wind
(km/h)
25
S
25
ESE
15
ENE
20
SSE
0
NE
10
ENE
20
S
5
NE
5
SE
30
SW
30
SSW
35
S
35
S
30
SSE
25
SSE
30
S
25
SE
15
ESE
25
S
15
SE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscross-
off
cross-
on
glasscross-
off
onglassglassononononcross-
on
cross-
on
cross-
on
cross-
on
crossoncross-
on
cross-
off
High Tide
/ height (m)
7:58PM
0.38
6:49AM
0.71
8:37PM
0.44
6:54AM
0.57
9:30PM
0.52
5:57AM
0.45
10:51PM
0.60
12:33AM
0.70
1:46AM
0.81
2:40AM
0.91
Low Tide
/ height (m)
12:03AM
0.28
2:08PM
0.10
12:58AM
0.35
2:06PM
0.14
2:41AM
0.43
1:44PM
0.14
12:52PM
0.10
12:04PM
0.02
11:59AM
-0.07
12:12PM
-0.11
Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Sunrise--5:58--5:58--5:58--6:00--6:01--6:01--6:01
Sunset8:30--8:30--8:31--8:31--8:31--8:31--8:32--
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
Rain (mm)
---------------------
Temp. °C151722232130292431201715161414141416171626
Feels °C (?)1012181818252421251513810788813131422
  • 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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