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 pm 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Mona Vale-The Basin sea temperature is
18.2° 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 (21 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 5ft (1.5m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.4m), 10s period with ENE swell.
  • Evening surf: Evening surf (21 Jul, local time) - 4ft (1.2m), 10s period with ENE swell.

The current surf forecast for Mona Vale-The Basin at 2AM is: 1.6m 10s primary swell from a East-northeast direction (forecast issued at 09:00pm July 20). An open ocean swell of 0.6m 11s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.

Time (AEST) & DateWave HeightWave Period
Morning (21 Jul)5ft (1.5m)10s
Afternoon (21 Jul)4.5ft (1.4m)10s
Evening (21 Jul)4ft (1.2m)10s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Wed afternoon, min 11°C on Tue night). Winds increasing (calm on Wed afternoon, fresh winds from the WSW by Thu afternoon).

Mon
20
Tuesday
21
Wednesday
22
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)
2
3
3
3
2
2
1
0
1
2
2
2
2
2
2
2
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
ENE
11
1.7
ENE
11
1.6
ENE
10
1.6
ENE
10
1.5
ENE
10
1.5
ENE
10
1.4
ENE
10
1.3
ENE
10
1.4
ENE
10
1.2
ENE
10
1.3
ENE
10
1.2
ENE
10
1.2
ENE
10
1.2
ENE
10
1.2
ENE
10
1.1
ENE
10
1.1
ENE
10
1
ENE
10
Wave Graph
Metric surfscale
Energy kJ
730
643
540
510
442
433
380
314
394
263
339
269
269
269
253
210
205
172
Wind (km/h)
15
NE
10
N
10
NNW
10
NW
5
NW
10
N
15
NE
15
NE
15
NNE
10
N
10
NNW
10
NW
10
WNW
10
WNW
5
WSW
5
ENE
10
WNW
15
W
Wind State
cross
cross-off
off
off
off
cross-off
cross
cross
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
glassy
off
cross-off
High Tide
00:53AM1.15m
1:51PM1.28m
1:50AM1.02m
2:46PM1.29m
Low Tide
7:03PM0.47m
7:11AM0.31m
8:13PM0.51m
7:54AM0.39m
9:28PM0.51m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:07
5:07
 mm
Temp °C
14
14
13
12
12
13
16
15
15
15
13
12
11
13
19
20
18
16
Feels °C
12
12
12
11
11
11
13
12
13
14
11
11
9
10
16
17
15
13
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mona Vale-The Basin surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest