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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 pm Wednesday 20 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
20.6° 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 4AM is: 1.0m 10s primary swell from a East direction (forecast issued at 09:00pm May 20). An open ocean swell of 2.2m 10s is not directed at the surf break, a second open ocean swell of 3.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3.5ft (1.0m) | 10s |
| Afternoon (21 May) | 3ft (0.9m) | 10s |
| Evening (21 May) | 3ft (0.9m) | 10s |
Table - waves today at Flat Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Sat morning. Warm (max 20°C on Sat morning, min 14°C on Wed night). Winds decreasing (fresh winds from the SSW on Thu morning, light winds from the E by Sat morning). | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
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 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 10 | ESE 10 | SE 8 | SE 11 | SE 11 | SE 11 | SE 10 | ESE 11 | ESE 10 | ESE 10 | ESE 11 | |
254 | 249 | 202 | 204 | 204 | 200 | 162 | 159 | 156 | 123 | 118 | 116 | 85 | 90 | 180 | 833 | 1428 | 1487 | 1359 | 1338 | 1527 | 1400 | 1450 | 1475 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | |
High Tide | 11:12PM1.85m | 12:16PM1.27m | 00:10AM1.76m | 1:21PM1.27m | 1:11AM1.66m | 2:26PM1.30m | ||||||||||||||||||
Low Tide | 4:40PM0.55m | 6:10AM0.28m | 5:41PM0.62m | 7:09AM0.33m | 6:49PM0.67m | 8:07AM0.38m | ||||||||||||||||||
 |  |  | |  | |  |  |  |  | | | |  | | | | | | | | | | | |
 | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — |
 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:57 |
— | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | — | — | 1 | 1 | 2 | 4 | 2 | 1 | |
Temp °C | 17 | 17 | 15 | 14 | 15 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 18 | 19 | 20 | 20 |
12 | 12 | 11 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 15 | 16 | 16 | 17 | 19 | 18 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 10 | ESE 10 | S 14 | S 13 | S 12 | SE 11 | SE 10 | ESE 11 | ESE 10 | ESE 10 | ESE 11 |
 kJ | 796 | 813 | 922 | 922 | 204 | 200 | 162 | 159 | 156 | 123 | 118 | 116 | 85 | 90 | 180 | 15 | 13 | 25 | 1359 | 1338 | 1527 | 1400 | 1450 | 1475 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | — | — | — | — | — | — | — | — | S 16 | S 15 | S 14 | — | — | S 14 | SSW 11 | — | SE 10 | — | — | S 21 |
| kJ | 254 | 249 | 202 | 204 | — | — | — | — | — | — | — | — | 5 | 5 | 16 | — | — | 4 | 24 | — | 49 | — | — | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 11 | SE 11 | — | SE 9 | — | — | — | — |
| kJ | 1129 | 1222 | 1347 | 1419 | 1279 | 1343 | 1271 | 1215 | 887 | 686 | 618 | 554 | 589 | 627 | 593 | 833 | 1428 | 1487 | — | 818 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 9 | 43 | 89 | 108 | 108 | 184 | 178 | 95 | 95 | 2 | 2 | 178 | 184 | 184 | 184 | 211 | 200 | 126 | 89 | 126 | 95 | 111 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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