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Treachery Head Surf Forecast
/ NSW – Port Macquarie (37 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Treachery Head surfForecast / NSW – Port Macquarie / Australia
48hr Weather and Surf, issued 3 am Monday 18 May 2026 AESTForecast update in hr min s Forecast update imminent
Treachery Head surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Treachery Head sea temperature is
23.0° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Treachery Head today?
The current surf forecast for Treachery Head at 11AM is: 2.2m 9s primary swell from a East-northeast direction and 0.1m 16s secondary swell from a South direction (forecast issued at 03:00am May 18). The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 7.5ft (2.3m) | 9s |
| Afternoon (18 May) | 7ft (2.2m) | 9s |
| Evening (18 May) | 7ft (2.1m) | 9s |
Table - waves today at Treachery Head. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 112mm), heaviest during Mon night. Warm (max 20°C on Mon morning, min 16°C on Tue night). Winds increasing (light winds from the W on Mon night, strong winds from the SSW by Wed morning). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 8 | NE 8 | ENE 9 | ENE 9 | ENE 10 | E 10 | E 10 | E 10 | ENE 10 | SSW 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | |
898 | 900 | 813 | 727 | 732 | 705 | 623 | 656 | 1018 | 979 | 939 | 960 | 1022 | 942 | 980 | 914 | 754 | 598 | 879 | 1064 | 1224 | 1463 | 1366 | 1367 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 9:08AM1.19m | 9:19PM1.88m | 10:04AM1.13m | 10:11PM1.84m | 11:03AM1.08m | |||||||||||||||||||
Low Tide | 3:15AM-0.02m | 2:41PM0.17m | 4:11AM-0.01m | 3:31PM0.24m | 5:08AM0.03m | 4:25PM0.32m | ||||||||||||||||||
 | |  | |  | |  | |  | | |  |  | | | | | |  | | | |  |  | |
 | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:57 | — | — |
3 | 4 | 4 | 1 | — | 4 | 11 | 11 | 9 | 23 | 1 | — | 1 | 1 | 1 | 1 | 3 | 11 | 12 | 3 | 4 | 3 | 1 | 2 | |
Temp °C | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 20 | 20 | 18 | 18 | 17 | 16 | 18 | 18 | 18 | 18 | 18 | 18 |
15 | 15 | 16 | 15 | 16 | 16 | 15 | 14 | 16 | 16 | 17 | 17 | 19 | 17 | 14 | 13 | 12 | 10 | 12 | 11 | 10 | 10 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | — | S 17 | S 16 | S 16 | S 15 | S 15 | — | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
 kJ | — | 6 | 5 | 5 | 5 | 4 | — | — | 623 | 744 | 939 | 960 | 1022 | 942 | 980 | 914 | 754 | 598 | 520 | 520 | 449 | 400 | 339 | 339 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 15 | — | E 9 | S 15 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 4 | — | 325 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 8 | NE 8 | — | — | W 3 | SW 3 | SW 4 | SSW 4 | SSW 6 | SSW 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 898 | 900 | 813 | 727 | 732 | 705 | 623 | 656 | 1018 | 979 | — | — | 3 | 4 | 13 | 30 | 213 | 570 | 879 | 1064 | 1224 | 1463 | 1366 | 1367 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 57 | 57 | 57 | 57 | 57 | 13 | 13 | 31 | 0 | 27 | 6 | 1 | 1 | 1 | 15 | 31 | 31 | 31 | 31 | 31 | 273 | 163 | 31 | 31 |
Best forecast wave conditions in Port Macquarie | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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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