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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
12 Day Weather and Surf, issued 9 pm Friday 05 Sep 2025 AEST
Best Forecast Surf Conditions for Treachery Head this week:
The surf forecast for Treachery Head over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 08) at 4AM. The primary swell is predicted to be 0.6m and 15s period with a secondary swell of 0.9m and 7s. Another secondary swell of 0.7m and 12s is also forecast. Another secondary swell of 1.3m and 6s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Treachery Head in the next 12 days are 4.5m 12s and forecast to arrive on Thursday (Sep 11) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Wednesday (Sep 10) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Mon 8th Sep) | 2ft (0.6m) 15s |
| Best Surf | 4AM (Mon 8th Sep) | 2ft (0.6m) 15s |
| Most Powerful | 10AM (Thu 11th Sep) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for Treachery Head over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 21°C on Mon afternoon, min 14°C on Sat night). Winds decreasing (fresh winds from the NE on Sun afternoon, light winds from the N by Sun night). | Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Tue morning. Warm (max 20°C on Wed morning, min 12°C on Wed night). Winds increasing (calm on Mon night, near gales from the W by Wed night). | |||||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 8 | 11 | 10 | 9 | 13 | 13 | 16 | 13 | 8 | 7 | 8 | 8 | 8 | 9 | 9 | 8 | 12 | 11 | 10 | 14 | 13 | |
Wave (?)Graph  | ||||||||||||||||||||||
| Energy (?) | 376 | 482 | 441 | 262 | 248 | 272 | 398 | 451 | 249 | 514 | 175 | 126 | 144 | 160 | 86 | 812 | 9601 | 5987 | 1356 | 949 | 758 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | glass | glass | off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross | cross- on | |
High Tide / height (m) | 7:01AM 1.19 | 7:04PM 1.67 | 7:40AM 1.30 | 7:44PM 1.70 | 8:19AM 1.41 | 8:26PM 1.68 | 8:59AM 1.51 | 9:08PM 1.61 | 9:40AM 1.57 | 9:53PM 1.49 | 10:24AM 1.60 | 10:42PM 1.34 | 11:12AM 1.59 | |||||||||
Low Tide / height (m) | 1:05AM 0.13 | 12:40PM 0.26 | 1:39AM 0.04 | 1:26PM 0.19 | 2:14AM -0.01 | 2:12PM 0.13 | 2:49AM -0.03 | 2:59PM 0.11 | 3:25AM 0.00 | 3:49PM 0.12 | 4:02AM 0.07 | 4:43PM 0.17 | 4:42AM 0.16 | 5:43PM 0.23 | ||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | Fri 12 | ||||||||||||||||
| Sunrise | - | 6:01 | - | - | 6:00 | - | - | 5:58 | - | - | 5:58 | - | - | 5:56 | - | - | 5:54 | - | - | 5:54 | - | |
| Sunset | - | - | 5:35 | - | - | 5:36 | - | - | 5:36 | - | - | 5:37 | - | - | 5:37 | - | - | 5:37 | - | - | 5:38 | |
 |  |  |  | | | | | | |  |  |  | |  | | | | | | | ||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 | 1 | 1 | - | - | - | - | - | - | |
| Temp. °C | 17 | 16 | 17 | 16 | 18 | 18 | 17 | 20 | 21 | 19 | 18 | 19 | 18 | 20 | 18 | 13 | 15 | 16 | 12 | 13 | 14 | |
| Feels °C (?) | 12 | 11 | 12 | 11 | 12 | 11 | 12 | 16 | 18 | 15 | 19 | 16 | 15 | 16 | 10 | 3 | 7 | 10 | 5 | 6 | 7 | |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for NSW - Port Macquarie
The wind is still cross-on at Treachery Head (light winds from the SE at Shoal Bay wx 46 km from Treachery Head). 1.9m 8s swell from the S to make surfable waves.
46 km away, 2 h 1 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Treachery Head surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Treachery Head Surf forecast
The above surf forecast table for Treachery Head provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Treachery Head can be found by selecting the local surf guide option on the grey menu. Our Treachery Head surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Treachery Head) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Treachery Head may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Treachery Head is 31 km (19 miles) from Forster. If you plan a holiday in Port Macquarie, look for hotels and other accommodation in Forster. Forster has rooms for a wide range of budgets as well as car hire and transport links.
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