Treachery Head surfForecast / NSW – Port Macquarie / Australia

information circle12 Day Weather and Surf, issued 10 pm Saturday 06 Dec 2025 AEDT
Forecast 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
22.4° C
(Which is slightly warmer than usual)


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 Sunday (Dec 07) at 2AM. The primary swell is predicted to be 1.6m and 8s period with a secondary swell of 0.1m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Treachery Head in the next 12 days are 2.2m 8s and forecast to arrive on Monday (Dec 08) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Tuesday (Dec 09) at 5PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 7th Dec)5ft (1.6m) 8s
Best Surf 8PM (Fri 12th Dec)3.5ft (1.1m) 12s
Most Powerful 2AM (Mon 8th Dec)7ft (2.2m) 8s

Table - best surf conditions forecast for Treachery Head over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 17mm), heaviest on Sun afternoon. Warm (max 27°C on Sat night, min 19°C on Sun night). Mainly strong winds.

Days 3-6 Weather Summary Heavy rain (total 50mm), heaviest during Fri morning. Warm (max 23°C on Tue night, min 17°C on Fri afternoon). Winds decreasing (strong winds from the NNE on Tue night, calm by Wed night).

Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sat
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
0
0
0
0
0
0
0
0
1
1
0
1
0
0
0
2
2
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
NE
1
NE
1.3
SSE
2.2
SSE
1.2
S
1.2
ENE
0.4
S
1.4
NE
0.3
S
1.7
NE
0.9
SSW
1.6
SSW
1
S
1.7
SSE
1.5
SSE
1.3
SE
0.8
E
1.1
E
1.6
E
1.7
ENE
1.9
ENE
Period(s) (?)88688576766766661212777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)358125113627196751514792336922079245175100193342240262326
Wind
(km/h)
10
WNW
10
SSE
35
SE
25
ESE
30
NE
30
NE
30
NNE
25
NE
35
NE
20
NNE
10
NW
20
WSW
5
W
40
SE
20
ESE
20
ESE
15
NE
5
NNW
15
NNE
20
NNE
35
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
oncross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcrossglassoncross-
on
cross-
on
cross-
off
glasscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
10:24PM
1.14
10:29AM
1.89
11:19PM
1.10
11:20AM
1.81
12:15AM
1.07
12:12PM
1.69
1:14AM
1.06
1:04PM
1.55
2:16AM
1.07
1:58PM
1.40
3:19AM
1.12
2:55PM
1.26
4:17AM
1.19
3:55PM
1.14
Low Tide
/ height (m)
3:50AM
0.21
5:25PM
-0.01
4:41AM
0.27
6:19PM
0.04
5:34AM
0.35
7:12PM
0.11
6:33AM
0.44
8:04PM
0.17
7:38AM
0.52
8:54PM
0.23
8:52AM
0.58
9:41PM
0.28
10:10AM
0.59
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sat
13
Sunrise-5:35--5:35--5:35--5:35--5:35--5:35--5:35-
Sunset--7:45--7:46--7:47--7:49--7:49--7:50--7:51
part cloud
thunderstorm
heavy rain
light rain
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
light rain
thunderstorm
light rain
rain showers
thunderstorm
heavy rain
heavy rain
rain showers
clear
Rain (mm)
-1124--------32452016113-
Temp. °C272520202122222323232221222020201919192021
Feels °C (?)262515171820192120182420242019181719171816
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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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