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Triangles Surf Forecast
/ NSW – Newcastle (55 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Triangles surfForecast / NSW – Newcastle / Australia
48hr Weather and Surf, issued 9 am Thursday 21 May 2026 AESTForecast 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
20.8° C
(Which is normal for this time of year)How big are the waves at Triangles today?
The current surf forecast for Triangles at 5PM is: 1.0m 10s primary swell from a East direction (forecast issued at 09:00am May 21). An open ocean swell of 0.1m 16s is not directed at the surf break, a second open ocean swell of 3.0m 8s 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 (1.1m) | 10s |
| Afternoon (21 May) | 3.5ft (1.1m) | 10s |
| Evening (21 May) | 3.5ft (1.0m) | 10s |
Table - waves today at Triangles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Sat morning. Warm (max 20°C on Sat afternoon, min 16°C on Thu night). Winds decreasing (fresh winds from the SSW on Thu morning, light winds from the E by Sat night). | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 8 | ESE 10 | SE 10 | SE 10 | SE 11 | SE 10 | SE 10 | ESE 10 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 11 | E 11 | E 11 | |
255 | 250 | 250 | 198 | 194 | 190 | 151 | 148 | 115 | 623 | 402 | 1370 | 1453 | 1608 | 1478 | 1510 | 1708 | 1908 | 1853 | 1847 | 1689 | 1694 | 1672 | 1898 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 12:17PM1.06m | 00:05AM1.59m | 1:24PM1.06m | 1:07AM1.47m | 2:31PM1.11m | 2:12AM1.35m | ||||||||||||||||||
Low Tide | 6:09AM0.07m | 5:33PM0.45m | 7:09AM0.13m | 6:42PM0.51m | 8:07AM0.18m | 7:59PM0.54m | ||||||||||||||||||
 | | | |  |  |  | |  |  | | | | | | | | |  | |  | | | | |
 | 6:41 | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:43 |
 | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | 4:57 |
— | — | — | — | 1 | 1 | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 2 | 3 | 1 | — | — | — | — | |
Temp °C | 15 | 17 | 17 | 17 | 18 | 17 | 16 | 16 | 16 | 17 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | 20 | 20 |
10 | 11 | 11 | 11 | 12 | 13 | 11 | 11 | 11 | 12 | 13 | 13 | 12 | 12 | 13 | 14 | 15 | 15 | 17 | 18 | 16 | 17 | 17 | 17 | |
Swell 1 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 | ESE 10 | S 13 | S 13 | S 12 | SE 10 | — | ESE 10 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 11 | E 11 | E 11 |
 kJ | 255 | 250 | 250 | 198 | 194 | 190 | 151 | 148 | 115 | 186 | 402 | 31 | 28 | 25 | 1478 | — | 1708 | 1908 | 1853 | 1847 | 1689 | 1694 | 1672 | 1898 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 16 | — | S 16 | S 16 | S 15 | S 15 | S 14 | — | — | — | — | — | — | — | S 14 | S 21 | S 20 | S 18 | S 17 | S 16 |
| kJ | — | — | — | — | 5 | — | 5 | 5 | 5 | 17 | 16 | — | — | — | — | — | — | — | 4 | 9 | 8 | 27 | 24 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 14 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 10 | SE 10 | SE 11 | — | SE 10 | — | — | — | — | — | — | — | — |
| kJ | 1509 | 1533 | 1465 | 1233 | 982 | 768 | 654 | 637 | 691 | 623 | 563 | 1370 | 1453 | 1608 | — | 1510 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 47 | 143 | 149 | 143 | 54 | 1 | 137 | 1 | 1 | 143 | 143 | 143 | 170 | 170 | 178 | 137 | 125 | 70 | 70 | 70 | 178 | 178 | 70 | 70 |
Best forecast wave conditions in Newcastle | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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