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Thommos Surf Forecast
/ NSW – Illawarra (42 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Thommos surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 9 am Saturday 23 May 2026 AESTForecast 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 6PM is: 3.0m 12s primary swell from a East direction (forecast issued at 09:00am May 23). An open ocean swell of 0.1m 19s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 8ft (2.5m) | 10s |
| Afternoon (23 May) | 10ft (3.0m) | 12s |
| Evening (23 May) | 10ft (3.0m) | 12s |
Table - waves today at Thommos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Sat afternoon. Very mild (max 19°C on Sun morning, min 16°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 | 1 AM | 4 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 11 | E 11 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | |
1163 | 1484 | 1921 | 2281 | 2524 | 2510 | 2544 | 2805 | 2757 | 2627 | 2377 | 2214 | 2335 | 2140 | 1957 | 1784 | 1784 | 1678 | 1649 | 1494 | 1494 | 1396 | 1396 | 1444 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross | glassy | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-off | cross | cross | |
High Tide | 2:33PM1.09m | 2:15AM1.33m | 3:32PM1.16m | 3:18AM1.24m | 4:23PM1.24m | |||||||||||||||||||
Low Tide | 8:10AM0.17m | 8:03PM0.51m | 9:03AM0.21m | 9:18PM0.50m | 9:51AM0.25m | 10:27PM0.46m | ||||||||||||||||||
 | | |  |  | | |  |  | | | | | |  |  | | |  | | | | | | |
 | 6:47 | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 |
 | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:57 | — | — | — | — | — | — | — | 4:57 | — | — | — | 4:55 |
— | — | — | 1 | 2 | 1 | 1 | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 18 | 18 | 18 | 17 | 18 | 17 | 18 | 18 | 19 | 19 | 17 | 18 | 17 | 16 | 16 | 16 | 18 | 19 | 19 | 17 | 17 | 17 | 16 |
13 | 15 | 16 | 17 | 17 | 17 | 15 | 17 | 16 | 18 | 18 | 17 | 19 | 18 | 16 | 16 | 16 | 19 | 20 | 20 | 18 | 17 | 17 | 15 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 11 | E 11 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 |
 kJ | 1163 | 1484 | 1921 | 2281 | 2524 | 2510 | 2544 | 2805 | 2757 | 2627 | 2377 | 2214 | 2335 | 2140 | 1957 | 1784 | 1784 | 1678 | 1649 | 1494 | 1494 | 1396 | 1396 | 1444 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 14 | S 8 | S 20 | S 19 | S 18 | S 16 | S 15 | S 15 | S 14 | S 14 | — | — | — | S 11 | S 11 | S 18 | S 16 | S 16 | S 15 | S 15 | S 14 | S 13 | S 13 |
| kJ | 19 | 4 | 19 | 8 | 7 | 6 | 21 | 5 | 4 | 4 | 4 | — | — | — | 2 | 9 | 6 | 21 | 45 | 40 | 67 | 63 | 56 | 51 |
Swell 3 Height (m) Direction Period (s) | — | S 14 | S 21 | — | — | — | — | S 19 | — | — | — | — | — | — | — | S 18 | S 18 | S 10 | S 10 | S 10 | S 9 | S 9 | — | — |
| kJ | — | 4 | 9 | — | — | — | — | 7 | — | — | — | — | — | — | — | 6 | 6 | 8 | 8 | 7 | 2 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 55 | 55 | 55 | 13 | 19 | 59 | 105 | 33 | 33 | 55 | 55 | 33 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Illawarra | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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