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

information circle12 Day Weather and Surf, issued 4 pm Thursday 20 Nov 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
20.1° C
(Which is 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 Monday (Nov 24) at 2AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 1.1m and 5s. 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 1.6m 11s and forecast to arrive on Saturday (Nov 22) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 11s period and expected on Thursday (Nov 27) at 8AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 24th Nov)2.5ft (0.7m) 10s
Best Surf 2AM (Mon 24th Nov)2.5ft (0.7m) 10s
Most Powerful11AM (Sat 22nd Nov)5ft (1.6m) 11s

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 6mm), mostly falling on Sun morning. Warm (max 20°C on Thu afternoon, min 17°C on Thu night). Winds decreasing (fresh winds from the S on Thu night, light winds from the NNE by Sun morning).

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Sun night. Warm (max 26°C on Tue morning, min 19°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the NNE by Tue night).

Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.3
E
1.6
SSE
1.9
SSE
1.6
SE
1.4
SE
1.6
ESE
1.5
ESE
0.9
E
0.8
E
0.8
E
0.7
E
0.7
E
0.7
E
0.6
E
0.7
E
1.1
SE
1.2
SE
0.8
E
1.8
NE
0.4
SE
0.8
E
Period(s) (?)1267771111111010101010101087105711
Wave
Graph
(?)Metric surfscale
Energy kJ (?)281823202271786044941821281259492926810816714713317213160
Wind
(km/h)
30
S
30
S
25
SSE
20
SSE
15
ESE
15
ESE
15
E
10
NE
10
NE
25
ENE
5
NNE
10
ENE
15
ENE
10
SW
10
N
20
ENE
25
SSW
10
NE
5
WNW
15
WSW
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscrosscross-
on
cross-
on
cross-
on
oncross-
on
onglassononoffcrossoncross-
off
cross-
on
glassoffcross-
off
High Tide
/ height (m)
9:22PM
1.05
9:19AM
1.53
10:01PM
1.03
9:55AM
1.52
10:41PM
1.00
10:32AM
1.49
11:22PM
0.97
11:12AM
1.45
12:08AM
0.95
11:54AM
1.41
1:00AM
0.94
12:40PM
1.37
1:58AM
0.97
1:32PM
1.32
Low Tide
/ height (m)
3:28PM
0.19
2:49AM
0.37
4:06PM
0.19
3:24AM
0.40
4:46PM
0.20
3:59AM
0.43
5:27PM
0.23
4:37AM
0.46
6:10PM
0.26
5:19AM
0.50
6:56PM
0.27
6:08AM
0.54
7:44PM
0.27
7:08AM
0.58
Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Sunrise--5:39--5:39--5:39--5:39--5:37--5:37--5:37
Sunset7:38--7:39--7:40--7:42--7:43--7:44--7:45--
part cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
light rain
part cloud
rain showers
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
Rain (mm)
--211---2-3----------
Temp. °C201917181918191919212024232226262426323025
Feels °C (?)171613141716171820201925222327252126332922
  • Map Icons:
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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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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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