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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 pm Tuesday 12 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
19.6° C
(Which is slightly cooler than normal)How big are the waves at Thommos today?
The current surf forecast for Thommos at 2AM is: 0.5m 12s primary swell from a East direction (forecast issued at 09:00pm May 12). An open ocean swell of 0.1m 24s is not directed at the surf break, a second open ocean swell of 1.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 5ft (1.6m) | 10s |
| Afternoon (13 May) | 3.5ft (1.0m) | 6s |
| Evening (13 May) | 4.5ft (1.3m) | 6s |
Table - waves today at Thommos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Tue night. Very mild (max 19°C on Wed morning, min 15°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||||||||||
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 | 7 AM | 10 AM | 1 PM | 4 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
E 12 | E 12 | E 12 | E 12 | SE 10 | SE 10 | SE 10 | E 6 | E 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | |
102 | 100 | 69 | 67 | 480 | 480 | 469 | 71 | 108 | 130 | 160 | 134 | 119 | 115 | 97 | 81 | 78 | 78 | 76 | 94 | 115 | 119 | 104 | 110 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | |
High Tide | 4:49PM1.26m | 4:43AM1.26m | 5:32PM1.39m | 5:39AM1.26m | 6:14PM1.53m | 6:34AM1.26m | ||||||||||||||||||
Low Tide | 10:48PM0.43m | 11:03AM0.18m | 11:44PM0.30m | 11:47AM0.15m | 00:38AM0.18m | 12:30PM0.15m | ||||||||||||||||||
 |  | |  |  |  |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:41 | — | — | — | — |
 | — | — | — | — | — | — | — | 5:04 | — | — | — | — | — | — | — | 5:04 | — | — | — | — | — | — | — | 5:02 |
— | — | — | 1 | 1 | — | — | — | — | — | 1 | — | — | 1 | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 18 | 19 | 19 | 17 | 17 | 16 | 15 | 16 | 18 | 18 | 18 |
14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 15 | 14 | 15 | 18 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | SSE 10 | S 10 | S 10 | S 10 | S 9 | S 9 | E 6 | E 6 | E 6 | S 9 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 |
 kJ | 102 | 100 | 69 | 67 | 63 | 39 | 38 | 258 | 196 | 120 | 117 | 108 | 81 | 115 | 97 | 81 | 59 | 78 | 76 | 94 | 115 | 119 | 104 | 110 |
Swell 2 Height (m) Direction Period (s) | — | S 25 | S 24 | S 23 | S 22 | S 20 | S 18 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | S 9 | S 9 | S 9 | E 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 |
| kJ | — | 12 | 11 | 10 | 38 | 30 | 24 | 38 | 38 | 21 | 21 | 21 | 21 | 79 | 78 | 57 | 8 | 60 | 60 | 60 | 41 | 42 | 40 | 36 |
Swell 3 Height (m) Direction Period (s) | S 25 | N 11 | — | — | — | — | S 22 | S 17 | S 16 | S 16 | S 20 | S 14 | E 11 | E 11 | E 11 | E 10 | — | E 10 | E 10 | E 10 | E 10 | SE 15 | E 9 | E 9 |
| kJ | 13 | 2 | — | — | — | — | 9 | 51 | 45 | 19 | 7 | 15 | 21 | 9 | 9 | 8 | — | 8 | 8 | 8 | 8 | 9 | 15 | 14 |
Wind waves Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SE 10 | SE 10 | SE 10 | E 6 | E 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | — | — | — | E 6 | — | — | — | — | — | — | — |
| kJ | 555 | 555 | 500 | 500 | 480 | 480 | 469 | 71 | 108 | 130 | 160 | 134 | 119 | — | — | — | 78 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 197 | 126 | 55 | 19 | 19 | 182 | 126 | 126 | 105 | 105 | 105 | 55 | 19 | 105 | 105 | 19 | 0 | 0 | 0 | 0 | 0 | 12 | 8 | 29 |
Best forecast wave conditions in Illawarra | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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