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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 3 am Thursday 21 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 6AM is: 1.2m 10s primary swell from a East-northeast direction (forecast issued at 03:00am May 21). An open ocean swell of 3.0m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 4ft (1.2m) | 10s |
| Afternoon (21 May) | 3.5ft (1.1m) | 10s |
| Evening (21 May) | 3.5ft (1.0m) | 10s |
Table - waves today at Thommos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Sat afternoon. Very mild (max 18°C on Sat morning, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | E 11 | E 11 | E 11 | |
370 | 312 | 318 | 302 | 255 | 250 | 250 | 204 | 200 | 151 | 117 | 146 | 378 | 932 | 1081 | 984 | 1105 | 1104 | 990 | 892 | 1348 | 1466 | 1532 | 1643 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross-on | cross-on | |
High Tide | 11:09PM1.65m | 12:21PM1.04m | 00:08AM1.55m | 1:27PM1.05m | 1:11AM1.44m | 2:33PM1.09m | ||||||||||||||||||
Low Tide | 6:11AM0.06m | 5:37PM0.44m | 7:11AM0.11m | 6:47PM0.49m | 8:10AM0.17m | 8:03PM0.51m | ||||||||||||||||||
 |  |  |  | | | |  |  | | |  | | | |  | | | | | | | | | |
 | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 3 | 2 | |
Temp °C | 14 | 13 | 13 | 15 | 17 | 16 | 14 | 14 | 14 | 12 | 13 | 15 | 16 | 16 | 15 | 16 | 16 | 16 | 16 | 17 | 18 | 17 | 17 | 18 |
9 | 9 | 9 | 10 | 12 | 11 | 10 | 10 | 11 | 9 | 10 | 11 | 12 | 12 | 12 | 13 | 13 | 14 | 13 | 14 | 16 | 15 | 17 | 18 | |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | S 12 | SSW 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | E 11 | E 11 | E 11 |
 kJ | 370 | 312 | 318 | 302 | 255 | 250 | 250 | 204 | 200 | 151 | 117 | 146 | 378 | 28 | 10 | 984 | 1105 | 1104 | 990 | 892 | 1348 | 1466 | 1532 | 1643 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | S 16 | — | S 16 | S 16 | S 15 | S 15 | S 14 | S 13 | — | S 12 | SSW 10 | SSW 9 | SSW 9 | S 8 | E 12 | S 21 | S 8 | S 19 | S 18 |
| kJ | — | — | — | — | — | 5 | — | 5 | 5 | 5 | 4 | 35 | 31 | — | 24 | 33 | 27 | 26 | 19 | 232 | 9 | 10 | 28 | 25 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 22 | S 14 | S 20 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 4 | 8 | — | — |
Wind waves Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SE 10 | SE 10 | S 8 | — | — | — | SSW 8 | — | — | — | — |
| kJ | 1137 | 1468 | 1380 | 1138 | 986 | 771 | 603 | 494 | 422 | 417 | 435 | 397 | 276 | 932 | 1081 | 110 | — | — | — | 21 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 13 | 13 | 13 | 13 | 55 | 19 | 13 | 13 | 13 | 13 | 13 | 13 | 19 | 19 | 18 | 46 | 34 | 19 | 18 | 19 | 19 | 1 |
Best forecast wave conditions in Illawarra | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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