Main Beach - North Stradbroke Island Surf Break

Lat Long: 27.55° S 153.49° E

Main Beach - North Stradbroke Island 48 hour detailed Surf Forecast

Issued: 9 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Main Beach - North Stradbroke Island sea temperature is
20.1° C
0.8° 

Main Beach - North Stradbroke Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Main Beach - North Stradbroke Island today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 5ft (1.5m), 7s period with E swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 4.5ft (1.4m), 8s period with E swell.
  • Evening surf: Evening surf (20 Aug, local time) - 4.5ft (1.3m), 8s period with E swell.

The current surf forecast for Main Beach - North Stradbroke Island at 3PM is: 1.4m 8s primary swell from a East direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 09:00am August 20). The wind direction is predicted to be onshore.

Time (AEST) & DateWave HeightWave Period
Morning (20 Aug)5ft (1.5m)7s
Afternoon (20 Aug)4.5ft (1.4m)8s
Evening (20 Aug)4.5ft (1.3m)8s

Table - waves today at Main Beach - North Stradbroke Island. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu morning. Very mild (max 19°C on Thu morning, min 15°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
1
0
0
0
0
0
1
1
1
1
1
0
0
1
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)
1.9
ESE
8
1.5
E
7
1.8
ESE
8
1.4
E
8
1.4
E
8
1.3
E
8
1.2
E
8
1.2
E
7
1.1
E
7
1
E
7
1
E
7
0.9
E
7
0.9
E
7
0.9
E
7
0.9
E
7
0.8
ENE
7
0.8
E
7
0.8
ENE
7
0.8
ENE
7
0.9
ENE
7
0.9
ENE
7
0.9
ENE
7
Wave Graph
Metric surfscale
Energy kJ
397
246
365
217
217
187
159
155
130
104
102
80
78
79
77
63
62
67
69
89
89
97
Wind (km/h)
20
ESE
25
ESE
20
E
15
E
20
E
20
ENE
15
ENE
10
E
5
SE
5
E
10
NE
10
NNE
15
NE
15
NNE
15
N
10
NW
15
W
10
WNW
10
N
15
NNE
15
NNE
15
N
Wind State
on
on
cross-on
on
on
cross-on
cross-on
cross-on
glassy
cross-on
cross
cross
cross
cross
cross-off
off
cross-off
off
cross-off
cross
cross
cross-off
High Tide
1:46PM1.25m
1:32AM0.89m
3:02PM1.26m
3:09AM0.84m
4:13PM1.32m
Low Tide
6:35AM0.38m
8:24PM0.64m
7:35AM0.45m
10:08PM0.60m
8:53AM0.47m
rain showers
rain showers
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:25
5:27
5:27
 mm
3
1
Temp °C
19
19
19
19
19
19
18
18
18
18
18
18
18
18
18
17
15
16
18
19
19
19
Feels °C
15
14
15
16
15
15
15
16
18
17
16
16
15
15
15
15
13
14
16
17
18
17
  • 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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