Manly-South Steyne surfForecast / NSW – Sydney North Coast / Australia

information circle12 Day Weather and Surf, issued 10 pm Sunday 07 Dec 2025 AEDT
Forecast update in hr  min  s Forecast update imminent
Manly-South Steyne surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Manly-South Steyne sea temperature is
22.2° C
(Which is 1.2°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Manly-South Steyne this week:

The surf forecast for Manly-South Steyne over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 13) at 11AM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.9m and 6s. Another secondary swell of 1.0m and 6s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Manly-South Steyne in the next 12 days are 1.9m 8s and forecast to arrive on Sunday (Dec 14) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Saturday (Dec 13) at 8PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sat 13th Dec)2.5ft (0.8m) 11s
Best Surf11AM (Sat 13th Dec)2.5ft (0.8m) 11s
Most Powerful 5PM (Sun 14th Dec)6ft (1.9m) 8s

Table - best surf conditions forecast for Manly-South Steyne over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Tue night. Warm (max 27°C on Tue afternoon, min 18°C on Sun night). Winds increasing (calm on Tue morning, fresh winds from the SSW by Tue night).

Days 3-6 Weather Summary Heavy rain (total 80mm), heaviest during Fri morning. Warm (max 24°C on Sat afternoon, min 18°C on Wed night). Winds decreasing (fresh winds from the S on Wed night, calm by Sat morning).

Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
SSE
0.8
SSE
1.5
ENE
0.3
S
0.2
S
0.1
S
1.7
S
1.5
S
0.1
S
0.1
E
1.2
SSE
0.9
SSE
0.4
E
0.9
E
1.1
E
1
E
0.8
E
1.5
ENE
0.5
E
0.3
E
1.9
SSE
Period(s) (?)876877661714551313121211610108
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3306013810410194648345562603532681491384817473
Wind
(km/h)
15
ENE
20
NNE
30
NE
15
NNE
5
ESE
15
ESE
35
S
25
SSW
20
SSE
25
S
25
S
25
SSE
25
ESE
20
NE
20
NE
15
NNE
5
NNE
25
NE
35
S
5
W
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
oncross-
on
glasscross-
on
cross-
off
cross-
off
crosscross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
glassoncross-
off
glasscross-
on
High Tide
/ height (m)
11:31PM
1.08
11:22AM
1.71
12:28AM
1.06
12:15PM
1.60
1:27AM
1.06
1:10PM
1.46
2:27AM
1.08
2:06PM
1.32
3:26AM
1.12
3:05PM
1.19
4:21AM
1.19
4:06PM
1.09
5:09AM
1.26
5:07PM
1.02
Low Tide
/ height (m)
4:50AM
0.33
6:21PM
0.02
5:45AM
0.40
7:15PM
0.09
6:46AM
0.47
8:06PM
0.17
7:54AM
0.52
8:56PM
0.23
9:08AM
0.55
9:43PM
0.29
10:23AM
0.55
10:27PM
0.33
11:30AM
0.50
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
Sunrise-5:35--5:35--5:37--5:37--5:37--5:37--5:37-
Sunset--7:54--7:55--7:57--7:58--7:58--7:59--8:00
cloud
cloud
clear
part cloud
clear
clear
light rain
light rain
cloud
mod rain
light rain
light rain
mod rain
heavy rain
mod rain
rain showers
clear
clear
light rain
rain showers
rain showers
Rain (mm)
------11-103374872--341
Temp. °C182022212627201820211819201819202324232121
Feels °C (?)151820212725181419201416181718192423212320
  • 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 Manly-South Steyne Surf forecast

The above surf forecast table for Manly-South Steyne provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Manly-South Steyne can be found by selecting the local surf guide option on the grey menu. Our Manly-South Steyne 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 (Manly-South Steyne) 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 Manly-South Steyne 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.

Manly-South Steyne is 5 km (3 miles) from Dee Why. If you plan a holiday in Sydney North Coast, look for hotels and other accommodation in Dee Why. Dee Why has rooms for a wide range of budgets as well as car hire and transport links.

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