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The Trough Surf Forecast
/ SA – Adelaide (17 breaks) / South Australia (91 breaks) /
Surf Forecasts:
The Trough surfForecast / SA – Adelaide / Australia
48hr Weather and Surf, issued 2 pm Thursday 18 Sep 2025 ACST
How big are the waves at The Trough today?
The current surf forecast for The Trough at 9PM is: 0.3m 8s primary swell from a West-southwest direction and 0.4m 5s secondary swell from a West direction (forecast issued at 02:30pm September 18). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 2ft (0.6m) | 4s |
| Evening (18 Sep) | 1ft (0.3m) | 8s |
Table - waves today at The Trough. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 4 | 4 | 8 | 8 | 8 | 3 | 4 | 4 | 6 | 6 | 7 | 5 | 5 | 5 | 5 | 9 | 4 | 5 | 5 | 5 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 14 | 11 | 8 | 12 | 11 | 12 | 7 | 19 | 38 | 121 | 232 | 158 | 73 | 77 | 71 | 39 | 24 | 34 | 61 | 53 | 49 | 51 | 50 | 50 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | glass | glass | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 3:03PM 1.34 | 4:41AM 1.14 | 3:31PM 1.50 | 4:23AM 1.32 | 3:56PM 1.63 | 4:28AM 1.51 | ||||||||||||||||||
Low Tide / height (m) | 9:32AM 1.03 | 10:18PM 0.37 | 9:32AM 0.77 | 10:13PM 0.28 | 9:53AM 0.53 | 10:21PM 0.19 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 |
| Sunset | - | - | 6:07 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - |
 | |  |  | | |  | | | |  |  | | | | |  | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 19 | 21 | 16 | 14 | 12 | 12 | 14 | 16 | 15 | 13 | 12 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels °C (?) | 11 | 14 | 16 | 15 | 13 | 10 | 9 | 9 | 9 | 7 | 6 | 6 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 9 | 8 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for SA - Adelaide
Offshore wind reported 8 km from The Trough (light winds from the NNE at Noarlunga 8 km from The Trough). 0.2m 8s swell from the WSW with a 0.2m 11s groundswell, also from the WSW and a 0.2m 3s local chop, also from the W. 3 swells combining to make bigger set waves.- Offshore wind reported 8 km from Maslin Beach (light winds from the NNE at Noarlunga 8 km from Maslin Beach). 0.2m 8s swell from the WSW with a 0.2m 11s groundswell, also from the WSW and a 0.2m 3s local chop, also from the W. 3 swells combining to make bigger set waves.
Actual: 48 min ago
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