Augusta Rivermouth Surf Break

Lat Long: 34.33° S 115.16° E

Augusta Rivermouth 48 hour detailed Surf Forecast

Issued: 7 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Augusta Rivermouth sea temperature is
18.5° C
1.6° 

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


How big are the waves at Augusta Rivermouth today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 11ft (3.5m), 15s period with WSW swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 13ft (4.0m), 15s period with WSW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 13ft (4.0m), 16s period with WSW swell.

The current surf forecast for Augusta Rivermouth at 3PM is: 4.0m 15s primary swell from a West-southwest direction and 0.9m 16s secondary swell from a Southwest direction (forecast issued at 07:00am August 18). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (AWST) & DateWave HeightWave Period
Morning (18 Aug)11ft (3.5m)15s
Afternoon (18 Aug)13ft (4.0m)15s
Evening (18 Aug)13ft (4.0m)16s

Table - waves today at Augusta Rivermouth. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 4mm), mostly falling on Tue night. Very mild (max 15°C on Tue morning, min 13°C on Tue morning). Winds decreasing (fresh winds from the WNW on Tue night, calm by Thu night).

Tuesday
18
Wednesday
19
Thursday
20
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
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Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4.5
WSW
16
3.5
WSW
15
3.5
WSW
16
4
WSW
15
4
WSW
16
4
WSW
16
4
WSW
16
4
WSW
16
4
WSW
15
4.5
SW
15
4.5
SW
15
5
SW
16
4.5
SW
16
4.5
SW
16
4.5
SW
16
4.5
SW
16
4
SW
16
4
SW
16
4
SW
16
4
SW
16
4
SW
16
4
SW
16
4
SW
16
Wave Graph
Metric surfscale
Energy kJ
9878
5258
6531
7853
8472
7520
7224
6831
7124
8700
9948
11070
10870
10232
10290
10023
9159
7783
7406
7406
7685
7873
7674
Wind (km/h)
15
WSW
15
W
20
WNW
20
WNW
25
NW
25
NW
30
WNW
30
WNW
30
W
25
WSW
20
SW
20
WSW
20
W
20
W
15
W
20
W
20
W
20
W
15
WSW
15
WSW
10
W
10
W
5
W
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
High Tide
11:12AM0.42m
11:15PM0.62m
9:08AM0.42m
11:54PM0.63m
Low Tide
6:15AM0.36m
3:35PM0.38m
6:59AM0.42m
3:40PM0.30m
3:57PM0.26m
cloud
cloud
cloud
cloud
cloud
rain showers
rain showers
clear
rain showers
part cloud
rain showers
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:54
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:51
5:52
 mm
1
1
1
1
Temp °C
14
13
15
14
14
15
15
15
15
15
14
14
14
15
14
15
15
14
15
15
15
15
14
Feels °C
10
9
10
9
9
10
8
9
9
10
10
10
9
10
10
11
11
10
11
12
12
13
12
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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