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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 Thursday 28 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
20.5° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Thommos today (28 May):
- Morning surf: Morning surf (28 May, local time) - 6ft (1.8m), 11s period with E swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 6ft (1.8m), 11s period with E swell.
- Evening surf: Evening surf (28 May, local time) - 5.5ft (1.7m), 11s period with E swell.
The current surf forecast for Thommos at 4PM is: 1.7m 11s primary swell from a East direction and 1.6m 6s secondary swell from a South direction (forecast issued at 09:00am May 28). An open ocean swell of 0.2m 16s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 6ft (1.8m) | 11s |
| Afternoon (28 May) | 6ft (1.8m) | 11s |
| Evening (28 May) | 5.5ft (1.7m) | 11s |
Table - waves today at Thommos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Thu night. Very mild (max 19°C on Thu morning, min 12°C on Sat night). Winds decreasing (fresh winds from the SSW on Thu night, calm by Sat afternoon). | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | |
857 | 785 | 743 | 663 | 651 | 639 | 627 | 592 | 514 | 504 | 494 | 494 | 500 | 586 | 510 | 510 | 449 | 400 | 339 | 326 | 273 | 225 | 183 | 186 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | off | off | off | off | |
High Tide | 6:02AM1.06m | 6:22PM1.44m | 6:48AM1.04m | 6:57PM1.48m | 7:32AM1.03m | 7:32PM1.51m | ||||||||||||||||||
Low Tide | 11:48AM0.34m | 1:00AM0.29m | 12:24PM0.36m | 1:41AM0.24m | 1:00PM0.38m | 2:20AM0.21m | ||||||||||||||||||
 |  | | |  |  | | |  | | | |  | |  |  | | |  | | | | | | |
 | 6:50 | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:52 |
 | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | 4:53 |
— | — | — | — | 1 | 1 | 3 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 17 | 18 | 18 | 18 | 17 | 16 | 15 | 15 | 13 | 16 | 19 | 19 | 16 | 14 | 13 | 12 |
15 | 16 | 16 | 16 | 16 | 16 | 16 | 14 | 13 | 14 | 14 | 14 | 15 | 13 | 11 | 11 | 8 | 12 | 16 | 18 | 12 | 11 | 11 | 9 | |
Swell 1 Height (m) Direction Period (s) | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 8 | E 10 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 10 |
 kJ | 857 | 785 | 743 | 663 | 651 | 639 | 627 | 592 | 514 | 504 | 494 | 494 | 500 | 586 | 320 | 510 | 300 | 316 | 333 | 295 | 223 | 187 | 152 | 186 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 14 | S 17 | S 16 | S 16 | S 16 | S 11 | S 15 | S 15 | — | — | S 17 | S 16 | S 16 | E 10 | S 8 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 8 |
| kJ | 35 | 16 | 23 | 21 | 20 | 19 | 9 | 18 | 18 | — | — | 6 | 5 | 5 | 510 | 259 | 449 | 400 | 339 | 326 | 273 | 225 | 183 | 122 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 17 | — | — | S 12 | S 12 | S 15 | — | — | — | — | — | — | — | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | — | — | N 8 |
| kJ | 16 | 23 | — | — | 11 | 11 | 18 | — | — | — | — | — | — | — | 5 | 4 | 4 | 4 | 4 | 4 | 3 | — | — | 1 |
Wind waves Height (m) Direction Period (s) | — | SSW 4 | S 5 | S 6 | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 8 | — | WSW 4 | WSW 3 | WSW 4 | W 3 | — | W 3 | W 3 | WNW 3 | WNW 3 |
| kJ | — | 43 | 81 | 166 | 159 | 125 | 101 | 247 | 467 | 707 | 671 | 521 | 434 | 358 | — | 7 | 9 | 7 | 1 | — | 4 | 3 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 55 | 55 | 55 | 19 | 55 | 46 | 55 | 46 | 19 | 19 | 13 | 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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Ocean Swells (m)- Wind Speed (km/h)
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