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 09 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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 2.5ft (0.7m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 0.5ft (0.2m), 13s period with ESE swell.
  • Evening surf: Evening surf (09 Sep, local time) - 1.5ft (0.4m), 12s period with ESE swell.

The current surf forecast for Mona Vale-The Basin at 3PM is: 0.2m 13s primary swell from a East-southeast direction and 0.1m 17s secondary swell from a East direction (forecast issued at 09:00am September 09). An open ocean swell of 3.0m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (AEST) & DateWave HeightWave Period
Morning (09 Sep)2.5ft (0.7m)7s
Afternoon (09 Sep)0.5ft (0.2m)13s
Evening (09 Sep)1.5ft (0.4m)12s

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


Short Range Forecast

Some drizzle, heaviest during Thu morning. Very mild (max 17°C on Wed morning, min 10°C on Wed night). Winds decreasing (fresh winds from the S on Wed afternoon, calm by Fri night).

Wednesday
9
Thursday
10
Friday
11
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
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)
0.9
SE
7
0.7
SE
7
0.6
SE
7
0.2
ESE
13
0.3
ESE
12
0.4
ESE
12
0.4
ESE
11
0.4
ESE
11
0.4
ESE
10
0.4
SE
10
0.3
ESE
10
0.3
ESE
9
0.2
ESE
9
0.2
ESE
9
0.1
E
15
0.2
E
15
0.2
E
15
0.2
ENE
15
0.2
ENE
14
0.2
ENE
14
0.2
ENE
13
0.2
ENE
13
Wave Graph
Metric surfscale
Energy kJ
75
51
41
17
29
46
48
46
41
25
19
17
8
8
4
17
17
21
20
18
18
18
Wind (km/h)
10
NW
15
SSW
30
S
40
S
35
S
35
S
30
S
20
SSW
15
SW
15
SW
20
SSW
20
S
15
S
10
SSW
10
SW
10
WSW
10
WSW
10
SSW
10
SSE
10
SE
5
ESE
0
SE
Wind State
off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross-on
on
cross-on
glassy
High Tide
6:45AM1.20m
6:46PM1.65m
7:28AM1.30m
7:32PM1.63m
8:07AM1.38m
8:14PM1.58m
Low Tide
12:24PM0.27m
1:23AM0.03m
1:14PM0.21m
2:00AM0.03m
2:02PM0.17m
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
light rain
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:42
5:43
 mm
1
Temp °C
11
16
17
15
15
14
13
11
10
11
13
15
15
14
13
12
12
15
15
15
15
15
Feels °C
8
12
11
7
7
6
6
5
5
7
9
11
12
12
11
9
10
13
13
13
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
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