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Thirroul Surf Forecast
/ NSW – Illawarra (42 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Thirroul surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 3 pm Monday 15 Sep 2025 AEST
How big are the waves at Thirroul today?
The current surf forecast for Thirroul at 7PM is: 0.4m 9s primary swell from a South-southeast direction and 0.5m 5s secondary swell from a Northeast direction (forecast issued at 03:00pm September 15). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | - | - |
| Afternoon (15 Sep) | 1.5ft (0.5m) | 9s |
| Evening (15 Sep) | 1.5ft (0.4m) | 9s |
Table - waves today at Thirroul. (Swell directed towards the surf break)
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 11 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 42 | 40 | 26 | 26 | 25 | 40 | 62 | 72 | 45 | 158 | 65 | 69 | 73 | 93 | 112 | 95 | 73 | 48 | 36 | 28 | 26 | 126 | 139 | 84 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 2:34PM 1.41 | 3:51AM 0.93 | 3:49PM 1.42 | 5:01AM 0.99 | 4:54PM 1.45 | 5:54AM 1.06 | ||||||||||||||||||
Low Tide / height (m) | 9:46PM 0.29 | 9:07AM 0.51 | 10:55PM 0.25 | 10:22AM 0.47 | 11:49PM 0.20 | |||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:52 | - |
| Sunset | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - |
 | |  | |  | |  |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 20 | 18 | 16 | 16 | 16 | 23 | 27 | 26 | 20 | 20 | 18 | 17 | 16 | 19 | 22 | 21 | 16 | 14 | 13 | 11 | 12 | 16 |
| Feels °C (?) | 21 | 22 | 17 | 15 | 13 | 13 | 13 | 20 | 24 | 23 | 17 | 18 | 16 | 15 | 12 | 14 | 17 | 15 | 10 | 9 | 8 | 7 | 9 | 15 |
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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 NSW - Illawarra
Continuing clean conditions at Thirroul (light winds from the W at Bellambi Automatic Weather Station 6 km from Thirroul). 0.6m 9s swell from the SSE with a 0.4m 5s windswell from the NE and a 0.2m 10s swell from the E. 3 swells combining to make bigger set waves.
1 h 1 min ago
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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 Thirroul 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.
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