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Flat Rock Surf Forecast
/ NSW – Newcastle (55 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Flat Rock surfForecast / NSW – Newcastle / Australia
48hr Weather and Surf, issued 3 am Monday 18 May 2026 AESTForecast update in hr min s Forecast update imminent
Flat Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Flat Rock sea temperature is
21.0° C
(Which is normal for this time of year)How big are the waves at Flat Rock today?
The current surf forecast for Flat Rock at 8AM is: 1.8m 9s primary swell from a East direction (forecast issued at 03:00am May 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.8m) | 9s |
| Afternoon (18 May) | 7.5ft (2.3m) | 9s |
| Evening (18 May) | 7ft (2.1m) | 9s |
Table - waves today at Flat Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 41mm), heaviest during Wed night. Very mild (max 19°C on Mon morning, min 15°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SSW by Wed morning). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | 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 | |
515 | 588 | 575 | 516 | 450 | 795 | 651 | 351 | 359 | 367 | 436 | 580 | 612 | 625 | 650 | 592 | 524 | 461 | 394 | 340 | 347 | 296 | 288 | 244 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | glassy | cross | glassy | cross | glassy | cross | cross-off | off | off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | |
High Tide | 9:18AM1.38m | 9:25PM1.95m | 10:15AM1.33m | 10:17PM1.92m | 11:14AM1.30m | |||||||||||||||||||
Low Tide | 3:18AM0.19m | 2:52PM0.42m | 4:14AM0.20m | 3:44PM0.48m | 5:11AM0.23m | 4:40PM0.55m | ||||||||||||||||||
 |  |  | |  | |  | | | | | |  |  |  | | | |  | | | | |  | |
 | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — |
— | — | — | — | 1 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | — | 1 | 1 | — | 4 | 4 | — | 2 | 3 | — | — | — | |
Temp °C | 18 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 17 | 15 | 17 | 17 | 17 | 18 | 18 | 18 | 17 |
19 | 18 | 18 | 19 | 20 | 19 | 19 | 18 | 19 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 12 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 8 | S 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
 kJ | 515 | 588 | 575 | 516 | 450 | 455 | 452 | 351 | 359 | 367 | 436 | 580 | 612 | 625 | 650 | 592 | 524 | 542 | 671 | 340 | 347 | 296 | 288 | 244 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | E 10 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 461 | 394 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | ENE 9 | ENE 9 | — | — | — | — | — | — | — | SSW 3 | SSW 5 | S 7 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | — | — | — | — | — | 795 | 651 | — | — | — | — | — | — | — | 2 | 35 | 294 | 935 | 1040 | 724 | 985 | 1041 | 1018 | 1018 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 2 | 2 | 2 | 9 | 2 | 43 | 108 | 258 | 220 | 108 | 89 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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