Cyrils and Big Left surfForecast / VIC – Mornington Peninsula / Australia

information circle12 Day Weather and Surf, issued 4 pm Friday 26 Dec 2025 AEDT
Forecast update in hr  min  s Forecast update imminent
Cyrils and Big Left surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cyrils and Big Left sea temperature is
16.4° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Cyrils and Big Left this week:

The surf forecast for Cyrils and Big Left over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 30) at 5AM. The primary swell is predicted to be 1.2m and 13s period with a secondary swell of 0.4m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cyrils and Big Left in the next 12 days are 1.8m 13s and forecast to arrive on Wednesday (Dec 31) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 30th Dec)4ft (1.2m) 13s
Best Surf 5AM (Tue 30th Dec)4ft (1.2m) 13s
Most Powerful 8PM (Wed 31st Dec)6ft (1.8m) 13s

Table - best surf conditions forecast for Cyrils and Big Left over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 21°C on Sun afternoon, min 12°C on Fri afternoon). Winds increasing (light winds from the S on Sat morning, fresh winds from the E by Sat night).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Thu morning. Warm (max 26°C on Mon afternoon, min 13°C on Tue night). Mainly strong winds.

Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
2
0
0
1
0
1
2
0
1
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.9
SW
1.2
SW
1.1
SW
0.7
SW
1.1
SW
0.8
SW
0.7
SW
0.6
SW
1.2
WSW
1.3
SW
1.2
WSW
1.6
SW
0.9
WSW
1.7
SSW
1.3
SW
1.3
SW
1.5
SW
1.2
SW
1.2
SW
1.2
SW
1.1
SW
Period(s) (?)12121216151414131614131211710101312121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1047396293248479289198108666736458694215244309320721416396376263
Wind
(km/h)
25
SSW
25
S
10
S
20
SSE
30
E
15
E
25
SE
15
ENE
5
ESE
25
ESE
20
NNE
40
WSW
45
SW
35
SSW
30
SSW
30
SSW
30
SSW
15
SSE
20
S
25
ESE
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
oncrosscrosscross-
on
crosscross-
on
cross-
on
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross
High Tide
/ height (m)
4:36PM
1.71
5:12AM
2.07
5:20PM
1.74
5:43AM
2.04
6:08PM
1.78
6:16AM
1.99
7:02PM
1.82
6:53AM
1.94
8:02PM
1.85
7:36AM
1.89
9:10PM
1.88
8:28AM
1.83
10:23PM
1.92
9:30AM
1.79
Low Tide
/ height (m)
10:41PM
0.39
11:30AM
0.57
11:20PM
0.47
12:05PM
0.48
12:03AM
0.57
12:44PM
0.38
12:51AM
0.70
1:29PM
0.29
1:47AM
0.83
2:21PM
0.21
2:52AM
0.95
3:21PM
0.16
4:06AM
1.02
Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Sunrise--5:54--5:54--5:56--5:56--5:56--5:58--5:58
Sunset8:45--8:45--8:45--8:45--8:45--8:45--8:46--
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
cloud
rain showers
clear
clear
clear
Rain (mm)
-----------------2---
Temp. °C121212141517212019262316141413131414141415
Feels °C (?)56111010141615172119967561010101113
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Cyrils and Big Left Surf forecast

The above surf forecast table for Cyrils and Big Left provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Cyrils and Big Left can be found by selecting the local surf guide option on the grey menu. Our Cyrils and Big Left surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Cyrils and Big Left) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Cyrils and Big Left may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Cyrils and Big Left is 30 km (19 miles) from Mornington. If you plan a holiday in Mornington Peninsula, look for hotels and other accommodation in Mornington. Mornington has rooms for a wide range of budgets as well as car hire and transport links.

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