Thommos surfForecast / NSW – Illawarra / Australia

information circle12 Day Weather and Surf, issued 10 am Saturday 13 Dec 2025 AEDT
Forecast update in hr  min  s Forecast update imminent
Thommos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thommos sea temperature is
21.9° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Thommos this week:

The surf forecast for Thommos over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 13) at 11PM. The primary swell is predicted to be 1.5m and 7s period with a secondary swell of 0.5m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Thommos in the next 12 days are 2.1m 7s and forecast to arrive on Saturday (Dec 20) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 9s period and expected on Monday (Dec 15) at 8AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 13th Dec)5ft (1.5m) 7s
Best Surf 5AM (Sat 20th Dec)7ft (2.1m) 7s
Most Powerful 5AM (Sat 20th Dec)7ft (2.1m) 7s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 14mm), heaviest on Sat night. Warm (max 32°C on Sun afternoon, min 16°C on Mon night). Winds increasing (calm on Sat night, fresh winds from the S by Sun night).

Days 3-6 Weather Summary Some drizzle, heaviest during Tue night. Warm (max 26°C on Thu afternoon, min 15°C on Wed night). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
1
2
2
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.4
E
1.5
ENE
1.3
ENE
1.3
ENE
1.5
ENE
0.9
ENE
0.8
ENE
0.6
ENE
0.5
ENE
0.5
ENE
0.4
ENE
0.4
ENE
0.5
E
0.4
E
0.4
ENE
0.4
ENE
1.4
NE
1.2
NE
0.9
ENE
1.6
NE
1.6
ENE
Period(s) (?)1177788777779888856657
Wave
Graph
(?)Metric surfscale
Energy kJ (?)45921816118626491624227261725342121209910267152222
Wind
(km/h)
10
NE
15
NE
5
S
10
W
10
W
20
SSE
10
SE
20
SE
10
SE
10
ESE
10
SE
10
SE
10
E
20
NE
10
NW
15
NNE
25
NE
10
NNW
10
NE
10
NW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrossoffcross-
off
cross-
on
oncross-
on
onononononcross-
on
cross-
off
crosscrosscross-
off
crosscross-
off
cross-
off
High Tide
/ height (m)
4:06PM
1.09
5:09AM
1.25
5:07PM
1.02
5:52AM
1.32
6:04PM
0.98
6:32AM
1.38
6:57PM
0.97
7:09AM
1.44
7:44PM
0.97
7:47AM
1.48
8:27PM
0.99
8:24AM
1.52
9:08PM
1.00
Low Tide
/ height (m)
10:22AM
0.54
10:27PM
0.33
11:30AM
0.50
11:09PM
0.37
12:27PM
0.44
11:49PM
0.39
1:15PM
0.37
12:29AM
0.40
1:58PM
0.30
1:09AM
0.40
2:38PM
0.25
1:49AM
0.40
3:16PM
0.21
2:28AM
0.39
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Sunrise5:37--5:37--5:37--5:37--5:37--5:39--5:39--
Sunset-8:01--8:01--8:02--8:04--8:04--8:05--8:06-
clear
part cloud
heavy rain
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
rain showers
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
thunderstorm
Rain (mm)
--14--------1--------3
Temp. °C242521273220171717181818202119242621302822
Feels °C (?)232223263016161515171818191817222319292820
  • 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

Latest Updates

submit an eyeball surf report

Quick surf report for Thommos:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Thommos 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.


false

Information about the Thommos Surf forecast

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

Thommos is 20 km (12 miles) from Wollongong. If you plan a holiday in Illawarra, look for hotels and other accommodation in Wollongong. Wollongong has rooms for a wide range of budgets as well as car hire and transport links.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest