Manly-South Steyne Surf Break

Lat Long: 33.80° S 151.30° E

Manly-South Steyne 48 hour detailed Surf Forecast

Issued: 9 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Manly-South Steyne sea temperature is
17.1° C
0.8° 

Manly-South Steyne surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Manly-South Steyne today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.8m), 6s period with ENE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.1m), 13s period with S swell.

The current surf forecast for Manly-South Steyne at 1PM is: 0.9m 6s primary swell from a Northeast direction and 0.6m 6s secondary swell from a East-southeast direction (forecast issued at 09:00am August 20). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (20 Aug)2ft (0.6m)8s
Afternoon (20 Aug)2.5ft (0.8m)6s
Evening (20 Aug)0.5ft (0.1m)13s

Table - waves today at Manly-South Steyne. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 21°C on Thu morning, min 13°C on Fri night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
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
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
ESE
8
0.6
ESE
8
0.9
NE
6
0.8
ENE
6
1
ENE
6
0.1
S
13
0.1
S
12
0.1
S
12
0.1
S
12
0.1
S
11
0.1
S
11
0.1
S
11
0.1
S
10
0.1
S
10
0.1
S
10
0.1
S
10
0.2
S
6
0.2
S
9
0.2
S
9
0.3
S
8
0.2
S
8
0.2
S
8
Wave Graph
Metric surfscale
Energy kJ
44
43
54
41
68
3
3
3
3
2
2
2
2
2
2
2
3
6
6
12
5
5
Wind (km/h)
10
NW
15
N
15
NE
20
NNE
15
N
10
NW
10
WNW
10
WNW
10
NNW
15
NW
10
NW
15
NNW
20
NW
15
WNW
10
WNW
10
WSW
10
WSW
10
WNW
5
SW
15
SE
5
SE
5
WSW
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
off
off
cross-off
glassy
cross-on
cross-on
glassy
High Tide
1:51PM1.26m
2:24AM0.86m
2:55PM1.25m
3:46AM0.84m
4:00PM1.27m
Low Tide
6:57AM0.47m
8:49PM0.50m
7:52AM0.53m
10:06PM0.48m
9:01AM0.55m
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:28
5:28
5:29
 mm
Temp °C
14
17
21
18
20
19
17
16
17
16
20
20
18
17
15
14
13
16
19
17
16
16
Feels °C
12
14
18
15
17
16
14
14
15
14
18
17
14
14
13
12
11
14
17
14
15
15
  • 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
How to use the Wavefinder 

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