Mona Vale-The Basin Surf Break

Lat Long: 33.68° S 151.32° E

Mona Vale-The Basin 48 hour detailed Surf Forecast

Issued: 3 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mona Vale-The Basin sea temperature is
17.7°C
0.2° 

Mona Vale-The Basin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Mona Vale-The Basin today (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 1.5ft (0.4m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 1.5ft (0.4m), 8s period with ENE swell.
  • Evening surf: Evening surf (29 Aug, local time) - 1.5ft (0.4m), 9s period with ENE swell.

The current surf forecast for Mona Vale-The Basin at 7AM is: 0.4m 9s primary swell from a East-northeast direction (forecast issued at 03:00am August 29). An open ocean swell of 1.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (AEST) & DateWave HeightWave Period
Morning (29 Aug)1.5ft (0.4m)9s
Afternoon (29 Aug)1.5ft (0.4m)8s
Evening (29 Aug)1.5ft (0.4m)9s

Table - waves today at Mona Vale-The Basin. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 18°C on Sun morning, min 12°C on Sat night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
31
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
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
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ENE
8
0.4
ENE
8
0.4
ENE
9
0.4
ENE
9
0.4
ENE
8
0.4
ENE
8
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.9
SE
10
0.9
SE
10
0.4
ENE
9
0.4
ENE
8
0.6
SE
9
0.4
ENE
8
0.4
ENE
8
0.4
ENE
8
0.4
ENE
10
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
Wave Graph
Metric surfscale
Energy kJ
25
26
29
29
28
28
30
31
32
134
134
29
24
70
24
24
24
31
17
17
16
16
16
16
Wind (km/h)
10
S
10
SSW
5
SW
5
SSW
10
SSE
10
ESE
10
ESE
0
SSE
5
W
5
W
5
WNW
5
NW
10
E
10
ESE
10
ESE
0
SSE
5
W
5
WNW
5
WNW
5
N
15
NE
20
ENE
15
NE
10
NNE
Wind State
cross-on
cross-on
cross
cross-on
on
on
cross-on
glassy
glassy
cross-off
off
glassy
cross-on
on
on
glassy
glassy
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
8:49AM1.30m
8:51PM1.52m
9:24AM1.36m
9:28PM1.45m
10:01AM1.41m
Low Tide
2:44AM0.10m
2:39PM0.25m
3:15AM0.10m
3:21PM0.25m
3:46AM0.12m
4:06PM0.26m
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:34
5:35
 mm
Temp °C
15
15
14
15
16
15
15
14
13
12
12
15
18
16
15
14
14
13
12
15
18
17
16
16
Feels °C
14
14
13
14
14
14
14
14
12
11
11
15
16
14
14
14
14
13
11
14
15
14
14
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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