Thommos surfForecast / NSW – Illawarra / Australia

information circle48hr Weather and Surf, issued 3 am Sunday 17 May 2026 AEST
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
19.9° C
(Which is normal for this time of year)

How big are the waves at Thommos today?

The current surf forecast for Thommos at 6AM is: 2.0m 8s primary swell from a East direction (forecast issued at 03:00am May 17). An open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.

Time (AEST) & DateWave HeightWave Period
Morning (17 May)7ft (2.1m)9s
Afternoon (17 May)7ft (2.2m)9s
Evening (17 May)7ft (2.2m)9s

Table - waves today at Thommos. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 27mm), heaviest during Tue night. Warm (max 20°C on Sun morning, min 14°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the SW by Tue afternoon).

Sunday
17
Monday
18
Tuesday
19
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
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
2
3
3
3
2
3
3
3
3
3
3
3
3
3
2
2
2
1
1
1
1
2
2
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.8
E
8
2
E
8
2.1
E
8
2.1
E
9
2.1
E
9
2.2
ENE
9
2.2
ENE
9
2.2
ENE
9
2.2
ENE
9
2.2
ENE
9
2.2
ENE
9
2.1
ENE
9
2.1
ENE
9
2
ENE
9
1.9
ENE
9
1.8
ENE
9
1.8
ENE
9
1.8
ENE
9
1.7
ENE
9
1.6
ENE
10
1.8
ENE
9
2
ENE
10
2.3
ENE
10
2.5
ENE
10
Wave Graph
Metric surfscale
Energy kJ
460
559
637
678
694
724
740
757
758
740
724
677
677
589
522
471
490
493
466
492
533
703
1004
1275
Wind (km/h)
5
NW
5
WNW
5
NW
10
N
10
NNE
5
N
5
NW
5
WNW
5
W
10
WSW
5
SW
5
ESE
5
ESE
5
ESE
5
SSW
5
WSW
5
WSW
5
SSW
5
S
10
S
15
SSW
20
SW
35
SW
25
SW
glassy
off
glassy
cross-off
cross
cross-off
glassy
off
cross-off
cross-off
cross-off
glassy
glassy
glassy
cross
cross-off
glassy
cross
cross-on
cross
cross
cross-off
cross-off
cross-off
High Tide
8:24AM1.21m
8:30PM1.77m
9:20AM1.17m
9:20PM1.77m
10:17AM1.11m
Low Tide
2:24AM-0.01m
2:01PM0.20m
3:18AM-0.05m
2:50PM0.25m
4:14AM-0.04m
3:41PM0.31m
part cloud
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:00
5:00
5:00
3
3
3
1
2
10
Temp °C
17
16
16
19
20
20
18
17
17
17
17
20
20
19
18
18
17
16
16
16
17
17
15
14
18
16
17
19
19
20
19
17
17
16
16
19
20
19
18
18
18
17
17
16
15
15
9
10
Swell 1
Height (m)
Direction
Period (s)
1.8
E
8
2
E
8
2.1
E
8
2.1
E
9
2.1
E
9
2.2
ENE
9
2.2
ENE
9
2.2
ENE
9
2.2
ENE
9
2.2
ENE
9
2.2
ENE
9
2.1
ENE
9
2.1
ENE
9
2
ENE
9
1.9
ENE
9
1.8
ENE
9
1.8
ENE
9
1.8
ENE
9
1.7
ENE
9
1.6
ENE
10
1.8
ENE
9
2
ENE
10
2.3
ENE
10
2.5
ENE
10
Energy kJ
460
559
637
678
694
724
740
757
758
740
724
677
677
589
522
471
490
493
466
492
533
703
1004
1275
Swell 2
Height (m)
Direction
Period (s)
0.2
S
8
0.1
S
12
0.1
S
8
0.1
S
8
Energy kJ
5
3
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
S
12
Energy kJ
3
Wind waves
Height (m)
Direction
Period (s)
0.4
SSW
3
0.3
SSW
3
0.4
SSW
3
1
SSW
4
3
SSW
7
Energy kJ
3
2
3
38
806
Nearest Offshore or Glassy
Rating
(10 max)
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
3
4
4
Distance (km)
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
13
13
60
1
Best forecast wave conditions in Illawarra
Rating
(10 max)
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
3
4
Best forecast wave conditions in Australia
Rating
(10 max)
5
5
5
4
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
5
5
5
  • 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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