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Surf Forecasts:
Triangles surfForecast / NSW – Newcastle / Australia
48hr Weather and Surf, issued 4 am Thursday 11 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Triangles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Triangles sea temperature is
22.6° C
(Which is slightly warmer than usual)How big are the waves at Triangles today?
The current surf forecast for Triangles at 9AM is: 0.5m 9s primary swell from a East-northeast direction (forecast issued at 04:00am December 11). An open ocean swell of 0.2m 11s is not directed at the surf break, a second open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 1.5ft (0.5m) | 9s |
| Afternoon (11 Dec) | 1.5ft (0.5m) | 9s |
| Evening (11 Dec) | 3ft (0.9m) | 9s |
Table - waves today at Triangles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 7 | 7 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 59 | 45 | 45 | 45 | 46 | 113 | 113 | 85 | 148 | 190 | 285 | 339 | 333 | 319 | 303 | 298 | 287 | 233 | 185 | 144 | 130 | 104 | 101 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- off | cross | cross | cross | cross- on | on | cross- on | cross- on | on | cross- on | cross- on | on | cross- on | cross- on | cross | cross- off | on | on | on | cross- on | glass |
High Tide / height (m) | 2:24AM 1.10 | 2:02PM 1.35 | 3:25AM 1.14 | 3:01PM 1.21 | 4:21AM 1.21 | 4:02PM 1.11 | ||||||||||||||||||
Low Tide / height (m) | 7:49AM 0.55 | 8:54PM 0.24 | 9:05AM 0.58 | 9:40PM 0.29 | 10:21AM 0.58 | 10:25PM 0.34 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:55 | - | - | - | - | - | - | - | 7:57 | - | - |
 |  |  | |  | | |  | | | | | | | |  |  |  |  | |  | |  | | |
Rain (mm) | 6 | 4 | 2 | 1 | 1 | 2 | 1 | 3 | 3 | 2 | 3 | 2 | 2 | 2 | 1 | 2 | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 20 | 20 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 18 | 18 | 18 | 20 | 21 | 21 | 22 | 21 |
| Feels °C (?) | 20 | 18 | 20 | 19 | 17 | 17 | 19 | 19 | 20 | 20 | 20 | 20 | 18 | 19 | 19 | 18 | 19 | 19 | 19 | 21 | 19 | 18 | 20 | 23 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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