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Backdoor 4 Surf Forecast
/ NSW – Newcastle (55 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Backdoor 4 surfForecast / NSW – Newcastle / Australia
48hr Weather and Surf, issued 9 pm Friday 29 May 2026 AESTForecast update in hr min s Forecast update imminent
Backdoor 4 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backdoor 4 sea temperature is
20.5° C
(Which is normal for this time of year)How big are the waves at Backdoor 4 today (30 May):
- Morning surf: Morning surf (30 May, local time) - 5ft (1.5m), 8s period with S swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 5ft (1.5m), 8s period with S swell.
- Evening surf: Evening surf (30 May, local time) - 4.5ft (1.4m), 8s period with S swell.
The current surf forecast for Backdoor 4 at 5AM is: 1.4m 10s primary swell from a East direction and 1.6m 8s secondary swell from a South direction, 0.7m 4s secondary swell from a West direction (forecast issued at 09:00pm May 29). The wind direction is predicted to be cross-shore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 5ft (1.5m) | 8s |
| Afternoon (30 May) | 5ft (1.5m) | 8s |
| Evening (30 May) | 4.5ft (1.4m) | 8s |
Table - waves today at Backdoor 4. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Sat morning, min 11°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun afternoon, calm by Mon morning). | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Monday 1 | |||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
S 8 | S 8 | E 10 | E 10 | E 10 | S 8 | S 8 | S 8 | S 8 | S 8 | E 10 | E 10 | E 10 | E 10 | E 10 | S 8 | E 9 | E 9 | S 6 | S 6 | S 7 | S 7 | E 10 | E 9 | |
925 | 746 | 514 | 386 | 340 | 291 | 260 | 304 | 313 | 223 | 156 | 156 | 123 | 121 | 118 | 100 | 85 | 83 | 81 | 84 | 126 | 86 | 64 | 62 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | glassy | cross-on | |
High Tide | 6:57PM1.54m | 7:28AM1.05m | 7:33PM1.56m | 8:09AM1.04m | 8:08PM1.57m | 8:49AM1.03m | ||||||||||||||||||
Low Tide | 1:41AM0.26m | 12:58PM0.36m | 2:19AM0.22m | 1:35PM0.38m | 2:58AM0.21m | 2:11PM0.40m | ||||||||||||||||||
 |  | | |  |  | | | | | | | | | |  | | | | | | | | | |
 | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:48 | — | — | — | — |
 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:53 | — | — | — | — | — | — | — | 4:53 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 14 | 13 | 13 | 15 | 19 | 19 | 16 | 15 | 14 | 13 | 13 | 16 | 18 | 18 | 14 | 12 | 12 | 11 | 11 | 12 | 15 | 16 |
15 | 14 | 10 | 7 | 7 | 9 | 15 | 16 | 11 | 11 | 10 | 8 | 8 | 11 | 13 | 13 | 7 | 6 | 7 | 5 | 7 | 8 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | E 9 | S 6 | S 6 | S 6 | S 7 | S 7 | S 6 | S 6 |
 kJ | 699 | 533 | 412 | 355 | 287 | 291 | 260 | 304 | 313 | 223 | 156 | 125 | 102 | 82 | 84 | 100 | 85 | 64 | 81 | 84 | 126 | 86 | 52 | 39 |
Swell 2 Height (m) Direction Period (s) | 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 | SSE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 9 |
| kJ | 578 | 578 | 514 | 386 | 340 | 284 | 237 | 192 | 192 | 153 | 153 | 156 | 123 | 121 | 118 | 89 | 16 | 83 | 61 | 61 | 61 | 62 | 64 | 62 |
Swell 3 Height (m) Direction Period (s) | — | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | — | — | N 10 | — | — | — | S 10 | SSE 8 | S 10 | S 10 | — | S 9 | SSW 9 | S 9 |
| kJ | — | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | — | — | 2 | — | — | — | 2 | 24 | 2 | 7 | — | 7 | 16 | 14 |
Wind waves Height (m) Direction Period (s) | S 8 | S 8 | — | W 4 | W 3 | WNW 3 | WNW 3 | — | WSW 4 | W 3 | W 3 | W 3 | W 3 | W 3 | WSW 3 | WSW 3 | SSW 7 | WSW 4 | W 4 | W 4 | SSW 7 | W 4 | — | — |
| kJ | 925 | 746 | — | 12 | 5 | 3 | 2 | — | 10 | 5 | 3 | 3 | 3 | 5 | 3 | 3 | 127 | 8 | 7 | 6 | 198 | 12 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 0 | 2 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 15 | 2 | 2 | 2 | 0 | 0 | 0 | 2 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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