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

information circle16 Day Weather and Surf, issued 9 pm Sunday 12 Apr 2026 AEST
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
17.5° C
(Which is slightly warmer than usual)

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

The surf forecast for Cyrils and Big Left over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 15) at 10PM. The primary swell is predicted to be 2.0m and 13s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Cyrils and Big Left in the next 16 days are 3.5m 14s and forecast to arrive on Friday (Apr 17) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Thursday (Apr 16) at 10AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 15th Apr)6.5ft (2.0m) 13s
Best Surf10PM (Wed 15th Apr)6.5ft (2.0m) 13s
Most Powerful 1PM (Fri 17th Apr)11ft (3.5m) 14s

Table - best surf conditions forecast for Cyrils and Big Left over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 10mm), heaviest on Sun night. Very mild (max 18°C on Tue afternoon, min 14°C on Sun night). Winds decreasing (strong winds from the SW on Mon morning, light winds from the WSW by Wed afternoon).

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Thu afternoon. Warm (max 20°C on Thu morning, min 12°C on Fri night). Winds decreasing (strong winds from the SW on Thu night, calm by Sat morning).

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sun
19
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
1
3
2
1
3
2
4
2
1
1
0
0
1
4
1
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
3
SW
3
SW
2.5
SW
1.9
SW
1.5
SW
1.4
WSW
1.6
SW
1.8
SW
2
SW
1.8
SW
1.4
SW
1.7
SW
2.5
SW
3.5
SW
3
SW
2.3
SW
1.8
SW
1.5
SW
1
SW
0.8
SW
0.5
SW
Period(s) (?)1312111010791313131212131314131313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2972204313767594251964081103127910525558222474331838131890108671027816467
Wind
(km/h)
40
WSW
40
SW
40
WSW
30
WSW
20
WNW
20
W
25
WNW
20
WSW
25
WSW
15
N
30
NW
30
WSW
35
W
40
SW
40
SW
20
SSW
0
SSW
10
SE
20
NNE
20
NNW
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
crossoffcross-
off
crosscross-
off
crosscrosscross-
on
glasscross-
on
cross-
off
offcross-
off
High Tide
/ height (m)
Low Tide
/ height (m)
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sun
19
Sunrise-6:43--6:45--6:46--6:47--6:48--6:48--6:50-
Sunset--5:55--5:53--5:52--5:52--5:50--5:49--5:46
light rain
rain showers
part cloud
cloud
part cloud
part cloud
rain showers
rain showers
part cloud
clear
clear
light rain
light rain
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
Rain (mm)
53----11---13--------
Temp. °C151516161618171515152016161414141213141721
Feels °C (?)8791011151211111413111055811981116
  • Map Icons:
  • Break
  • 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 16 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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