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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 19 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
19.8° C
(Which is normal for this time of year)How big are the waves at Thommos today?
The current surf forecast for Thommos at 1AM is: 2.0m 10s primary swell from a East-northeast direction (forecast issued at 09:00pm May 19). An open ocean swell of 2.0m 8s is not directed at the surf break, a second open ocean swell of 2.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 5.5ft (1.7m) | 10s |
| Afternoon (20 May) | 5ft (1.6m) | 10s |
| Evening (20 May) | 5ft (1.5m) | 10s |
Table - waves today at Thommos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri morning. Very mild (max 17°C on Thu morning, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Friday 22 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | E 9 | E 9 | SE 7 | ESE 10 | |
1162 | 952 | 886 | 763 | 676 | 607 | 607 | 511 | 441 | 392 | 370 | 363 | 312 | 306 | 306 | 250 | 250 | 204 | 200 | 157 | 142 | 136 | 206 | 445 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 10:13PM1.73m | 11:17AM1.07m | 11:09PM1.65m | 12:21PM1.04m | 00:08AM1.55m | 1:27PM1.05m | ||||||||||||||||||
Low Tide | 5:12AM-0.00m | 4:36PM0.37m | 6:11AM0.06m | 5:37PM0.44m | 7:11AM0.11m | |||||||||||||||||||
 | |  |  |  |  | |  | | | | | | | | | | | | | |  | | | |
 | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — |
 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 16 | 15 | 14 | 13 | 12 | 14 | 15 | 16 | 14 | 13 | 13 | 13 | 12 | 16 | 17 | 17 | 15 | 14 | 13 | 13 | 14 | 14 | 15 | 16 |
15 | 14 | 12 | 11 | 10 | 11 | 12 | 12 | 11 | 10 | 9 | 9 | 8 | 11 | 12 | 13 | 11 | 11 | 9 | 9 | 10 | 11 | 12 | 13 | |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | S 9 | S 9 | S 9 | ENE 10 | ENE 10 | S 9 | S 10 | S 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | E 9 | E 9 | E 9 | ESE 10 |
 kJ | 1162 | 952 | 886 | 537 | 904 | 1067 | 607 | 511 | 695 | 776 | 847 | 363 | 312 | 306 | 306 | 250 | 250 | 204 | 200 | 157 | 142 | 136 | 134 | 445 |
Swell 2 Height (m) Direction Period (s) | — | — | S 8 | ENE 10 | ENE 10 | ENE 10 | — | — | ENE 10 | ENE 10 | ENE 10 | — | — | — | — | S 16 | — | S 16 | S 16 | S 16 | S 15 | S 14 | S 8 | S 13 |
| kJ | — | — | 553 | 763 | 676 | 607 | — | — | 441 | 392 | 370 | — | — | — | — | 5 | — | 5 | 5 | 5 | 17 | 35 | 43 | 29 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 56 | — |
Wind waves Height (m) Direction Period (s) | S 7 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 7 | SSE 7 | SE 7 | SE 7 | S 7 |
| kJ | 345 | 569 | 829 | 809 | 1301 | 1428 | 1039 | 805 | 918 | 1087 | 1160 | 1164 | 1138 | 986 | 877 | 709 | 588 | 484 | 408 | 379 | 343 | 340 | 206 | 131 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 18 | 0 | 0 | 0 | 13 | 13 | 19 | 19 | 19 | 13 | 13 | 13 | 13 | 13 | 6 | 18 | 18 |
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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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.
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