Thirroul surf break

Thirroul surfForecast / NSW – Illawarra / Australia

information circle12 Day Weather and Surf, issued 10 pm Friday 06 Feb 2026 AEDT
Forecast update in hr  min  s Forecast update imminent
Thirroul surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thirroul sea temperature is
22.8° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Thirroul this week:

The surf forecast for Thirroul over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Feb 08) at 8AM. The primary swell is predicted to be 0.7m and 7s period with a secondary swell of 0.3m and 3s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Thirroul in the next 12 days are 1.8m 7s and forecast to arrive on Thursday (Feb 12) at 11PM. 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 Monday (Feb 09) at 11AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 8th Feb)2.5ft (0.7m) 7s
Best Surf11PM (Wed 11th Feb)5ft (1.6m) 6s
Most Powerful11PM (Thu 12th Feb)6ft (1.8m) 7s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 17mm), heaviest on Mon afternoon. Warm (max 27°C on Sat afternoon, min 19°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Mon night. Warm (max 30°C on Wed afternoon, min 19°C on Mon night). Winds increasing (calm on Tue night, fresh winds from the S by Thu morning).

Saturday
07
Sunday
08
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
1
1
1
1
1
1
0
0
1
1
0
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
NE
0.9
NE
0.7
NE
0.7
ENE
0.6
ENE
0.6
ENE
1.3
NE
0.9
NE
0.7
ENE
0.7
ENE
0.4
E
0.5
ENE
0.4
ENE
0.7
ENE
1.3
ENE
1
ENE
1.5
S
1.7
SSE
1.7
SSE
1.2
SSE
0.8
S
Period(s) (?)677776676797985767768
Wave
Graph
(?)Metric surfscale
Energy kJ (?)38794740302611863354628312970719616725528110678
Wind
(km/h)
15
SSW
5
E
10
SE
10
S
5
W
0
NE
10
NW
10
NNW
10
NNW
10
SSW
15
S
10
SE
5
W
10
N
20
NE
10
WNW
25
S
25
S
15
SSE
10
SE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
oncrosscross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
on
oncross-
off
cross-
off
crossoffcross-
on
cross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
12:43AM
1.27
12:43PM
1.19
1:26AM
1.25
1:27PM
1.05
2:14AM
1.24
2:21PM
0.94
3:10AM
1.22
3:33PM
0.86
4:13AM
1.23
4:57PM
0.84
5:17AM
1.27
6:10PM
0.86
6:14AM
1.33
7:03PM
0.92
Low Tide
/ height (m)
6:46AM
0.41
6:57PM
0.31
7:41AM
0.47
7:32PM
0.39
8:46AM
0.52
8:14PM
0.47
10:04AM
0.54
9:09PM
0.52
11:22AM
0.51
10:16PM
0.54
12:26PM
0.44
11:24PM
0.53
1:15PM
0.37
Saturday
07
Sunday
08
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
Sunrise-6:22--6:22--6:24--6:24--6:26--6:26--6:28-
Sunset--7:58--7:57--7:55--7:54--7:53--7:52--7:52
part cloud
clear
part cloud
light rain
light rain
cloud
part cloud
light rain
mod rain
rain showers
part cloud
clear
part cloud
clear
clear
clear
light rain
cloud
light rain
cloud
cloud
Rain (mm)
---24--561------1-1--
Temp. °C262527232221212020202325212730252019181920
Feels °C (?)282728272424222222212325222729261716141820
  • 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

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Information about the Thirroul Surf forecast

The above surf forecast table for Thirroul provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Thirroul can be found by selecting the local surf guide option on the grey menu. Our Thirroul 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 (Thirroul) 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 Thirroul 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.

Are you planning a holiday in Illawarra? If you are looking for accommodation near Thirroul, camping, hotels and holiday cottages in Illawarra, consider staying in Wollongong which is 12 km (7 miles) away. Other places in and around Illawarra where you can find information about places to rent, and car hire include Port Kembla which is 19 km (12 miles) away, Engadine, Cronulla and Caringbah.

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