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Surf Forecasts:

Thirroul surf break

Thirroul surfForecast / NSW – Illawarra / Australia

information circle12 Day Weather and Surf, issued 10 am Tuesday 25 Nov 2025 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
20.0° 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 Tuesday (Nov 25) at 8PM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.8m and 5s. Another secondary swell of 1.2m and 5s is also forecast. 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 1.5m 10s and forecast to arrive on Tuesday (Nov 25) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Wednesday (Nov 26) at 2AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 25th Nov)4.5ft (1.3m) 10s
Best Surf 8PM (Tue 25th Nov)4.5ft (1.3m) 10s
Most Powerful 5PM (Tue 25th Nov)5ft (1.5m) 10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 2mm), mostly falling on Tue night. Warm (max 33°C on Wed afternoon, min 16°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 33°C on Sat afternoon, min 16°C on Sat night). Mainly fresh winds.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
2
1
1
2
2
0
1
1
0
2
2
1
1
1
0
1
1
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
SE
1.5
SE
1.4
SE
1.1
SE
0.9
SE
0.8
E
0.9
ENE
0.8
E
1.4
SSE
1
SSE
0.6
E
1.1
NE
1.4
NE
0.7
E
1.8
S
1.4
SSE
0.9
S
1
NE
0.6
S
0.6
S
0.5
S
Period(s) (?)10101099101010771168118876131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)557408327179112141176127166838691221114367245817511510265
Wind
(km/h)
10
NNE
10
NNE
0
WSW
20
NW
20
WSW
0
E
15
W
15
SW
10
SSE
10
N
20
NE
5
NNW
15
NNW
20
WSW
15
S
10
NNE
20
NE
10
SW
10
NNE
10
SW
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrossglasscross-
off		cross-
off		glassoffcross-
off		cross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
on		crosscross-
on		cross-
off		crosscross-
off		cross-
on
High Tide
/ height (m)
11:54AM
1.41
1:01AM
0.94
12:40PM
1.36
1:59AM
0.97
1:32PM
1.32
2:59AM
1.03
2:31PM
1.28
3:57AM
1.13
3:34PM
1.25
4:49AM
1.25
4:40PM
1.22
5:39AM
1.39
5:45PM
1.21
Low Tide
/ height (m)
6:57PM
0.27
6:09AM
0.54
7:45PM
0.27
7:09AM
0.58
8:34PM
0.26
8:20AM
0.58
9:25PM
0.23
9:36AM
0.55
10:14PM
0.20
10:49AM
0.46
11:04PM
0.18
11:55AM
0.34
11:52PM
0.17
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
Sunrise5:39--5:37--5:37--5:37--5:37--5:37--5:37--
Sunset-7:46--7:47--7:49--7:50--7:51--7:51--7:52-
clear
cloud
thunderstorm
clear
rain showers
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
--1-1----------------
Temp. °C282922313328282918242721313318232620262821
Feels °C (?)293122292925242515212519282713212417232618
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Latest Updates

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Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

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View detailed surf forecast for Thirroul at:
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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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