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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 9 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 4PM is: 2.4m 8s primary swell from a East-northeast direction and 1.7m 9s secondary swell from a East direction (forecast issued at 09:00am May 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.8m) | 9s |
| Afternoon (18 May) | 8ft (2.4m) | 8s |
| Evening (18 May) | 5ft (1.5m) | 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 39mm), heaviest during Mon afternoon. Warm (max 20°C on Mon morning, min 15°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the SSW by Wed morning). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 9 | E 9 | E 9 | ENE 8 | E 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 | E 10 | E 10 | |
575 | 516 | 450 | 827 | 395 | 351 | 408 | 481 | 502 | 600 | 625 | 637 | 569 | 524 | 461 | 452 | 394 | 340 | 290 | 290 | 244 | 244 | 202 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | glassy | glassy | glassy | glassy | glassy | off | off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 9:18AM1.38m | 9:25PM1.95m | 10:15AM1.33m | 10:17PM1.92m | 11:14AM1.30m | 11:12PM1.85m | ||||||||||||||||||
Low Tide | 2:52PM0.42m | 4:14AM0.20m | 3:44PM0.48m | 5:11AM0.23m | 4:40PM0.55m | |||||||||||||||||||
 |  | | |  | | | | | | |  |  | | | | | | |  |  | |  | | |
 | 6:37 | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:39 |
 | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | 4:58 |
— | 1 | 1 | 3 | 4 | 3 | 2 | 2 | — | 2 | 1 | 1 | 1 | 2 | 3 | 2 | 1 | 3 | 2 | — | — | — | — | 2 | |
Temp °C | 17 | 18 | 20 | 20 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 17 | 16 | 17 | 16 | 16 | 17 | 17 | 18 | 17 | 16 | 15 |
17 | 18 | 21 | 21 | 18 | 19 | 17 | 17 | 16 | 16 | 17 | 17 | 14 | 14 | 13 | 13 | 12 | 11 | 11 | 11 | 12 | 11 | 12 | 10 | |
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 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 8 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
 kJ | 575 | 516 | 450 | 445 | 395 | 351 | 408 | 481 | 502 | 600 | 625 | 637 | 569 | 524 | 461 | 452 | 470 | 340 | 290 | 290 | 244 | 244 | 202 | 202 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 394 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 8 | — | — | — | — | — | — | — | SW 3 | S 4 | S 6 | S 7 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | — | — | — | 827 | — | — | — | — | — | — | — | 6 | 7 | 137 | 239 | 409 | 746 | 593 | 980 | 1198 | 1032 | 1075 | 1075 | 888 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 108 | 95 | 95 | 43 | 2 | 2 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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