Mona Vale-The Basin Surf Break

Lat Long: 33.68° S 151.32° E

Mona Vale-The Basin 48 hour detailed Surf Forecast

Issued: 9 am 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mona Vale-The Basin sea temperature is
18.0°C
0.0° 

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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 3ft (0.9m), 6s period with SSW swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 1.5ft (0.5m), 8s period with NE swell.
  • Evening surf: Evening surf (04 Sep, local time) - 1.5ft (0.5m), 4s period with NE swell.

The current surf forecast for Mona Vale-The Basin at 1PM is: 0.4m 8s primary swell from a Northeast direction (forecast issued at 09:00am September 04). An open ocean swell of 1.2m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (04 Sep)3ft (0.9m)6s
Afternoon (04 Sep)1.5ft (0.5m)8s
Evening (04 Sep)1.5ft (0.5m)4s

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


Short Range Forecast

Mostly dry. Warm (max 31°C on Sat afternoon, min 12°C on Sun night). Winds increasing (light winds from the W on Fri night, fresh winds from the NNW by Sat afternoon).

Friday
4
Saturday
5
Sunday
6
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)
1
0
0
0
0
0
0
0
0
0
0
1
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)
0.9
SSW
6
0.4
NE
8
0.4
NE
8
0.5
NE
8
0.3
ENE
10
0.5
NE
4
0.6
NE
4
0.5
NE
5
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
1
NE
5
0.9
NE
6
0.9
NE
6
0.9
NE
6
0.7
NE
6
0.6
NE
7
0.6
NE
7
0.4
NE
7
0.4
NE
7
0.3
NE
6
0.7
S
4
Wave Graph
Metric surfscale
Energy kJ
53
20
20
28
18
7
13
11
17
17
17
54
49
64
56
42
37
30
17
15
6
15
Wind (km/h)
10
WSW
10
SW
10
E
15
ENE
10
NNE
5
W
5
NW
10
NW
15
NNW
15
N
20
NNW
20
NW
30
NNW
20
W
25
WSW
20
W
15
WSW
20
WSW
15
SSW
15
SSE
15
S
15
SSW
Wind State
cross-off
cross-off
cross-on
cross
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
High Tide
1:25PM1.41m
2:15AM0.95m
2:40PM1.43m
3:45AM0.95m
3:54PM1.48m
Low Tide
6:38AM0.40m
8:23PM0.36m
7:48AM0.45m
9:47PM0.31m
9:08AM0.46m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:38
5:38
 mm
Temp °C
13
17
20
18
17
16
16
15
15
22
29
31
24
24
19
16
14
18
21
20
17
16
Feels °C
10
14
17
14
15
15
14
13
12
18
24
26
19
20
14
10
10
12
17
16
15
14
  • 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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