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Cyrils and Big Left Surf Forecast
/ VIC – Mornington Peninsula (24 breaks) / Victoria (127 breaks) /
Surf Forecasts:
Cyrils and Big Left surfForecast / VIC – Mornington Peninsula / Australia
12 Day Weather and Surf, issued 9 pm Thursday 28 Aug 2025 AEST
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 Monday (Sep 01) at 7PM. The primary swell is predicted to be 2.1m and 13s period with a secondary swell of 1.2m and 18s. 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 4.5m 10s and forecast to arrive on Saturday (Aug 30) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Friday (Aug 29) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Mon 1st Sep) | 7ft (2.1m) 13s |
| Best Surf | 1AM (Tue 2nd Sep) | 8ft (2.4m) 17s |
| Most Powerful | 4AM (Sat 30th Aug) | 15ft (4.5m) 10s |
Table - best surf conditions forecast for Cyrils and Big Left over the next 12 days.
Short Range Forecast Moderate rain (total 12mm), heaviest on Fri night. Very mild (max 14°C on Sun afternoon, min 9°C on Fri afternoon). Winds decreasing (gales from the SSW on Fri night, moderate winds from the W by Sun morning). | Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Tue night. Very mild (max 15°C on Tue morning, min 9°C on Sun night). Winds increasing (light winds from the W on Mon afternoon, strong winds from the NW by Tue afternoon). | |||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | Thu 04 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 11 | 10 | 10 | 7 | 10 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 17 | 16 | 16 | 13 | 14 | 14 | 16 | 15 | 14 | |
Wave (?)Graph  | ||||||||||||||||||||||
| Energy (?) | 887 | 536 | 324 | 1158 | 3047 | 2700 | 4528 | 1483 | 1095 | 1179 | 1578 | 3903 | 3654 | 2325 | 2395 | 3228 | 3105 | 3025 | 3743 | 2142 | 1453 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross | off | off | off | |
High Tide / height (m) | 3:33AM 1.98 | 3:30PM 1.99 | 4:10AM 1.97 | 3:59PM 1.95 | 4:45AM 1.93 | 4:27PM 1.89 | 5:21AM 1.86 | 4:55PM 1.82 | 6:00AM 1.78 | 5:23PM 1.74 | 6:45AM 1.70 | 5:55PM 1.67 | 7:41AM 1.64 | 6:36PM 1.59 | ||||||||
Low Tide / height (m) | 9:31AM 0.54 | 9:50PM 0.27 | 10:05AM 0.62 | 10:21PM 0.28 | 10:37AM 0.70 | 10:53PM 0.32 | 11:09AM 0.80 | 11:26PM 0.37 | 11:42AM 0.91 | 12:02AM 0.43 | 12:21PM 1.01 | 12:45AM 0.49 | 1:12PM 1.11 | |||||||||
Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | Thu 04 | ||||||||||||||||
| Sunrise | - | 6:48 | - | - | 6:46 | - | - | 6:45 | - | - | 6:43 | - | - | 6:41 | - | - | 6:39 | - | - | 6:39 | - | |
| Sunset | - | - | 5:53 | - | - | 5:54 | - | - | 5:55 | - | - | 5:57 | - | - | 5:58 | - | - | 5:59 | - | - | 5:59 | |
 |  |  |  |  | | |  | |  | | |  | | | | | | | | | ||
Rain (mm) | 1 | - | 3 | 5 | - | - | 3 | - | - | - | - | 2 | - | - | - | 7 | - | - | - | - | - | |
| Temp. °C | 11 | 11 | 10 | 10 | 11 | 12 | 12 | 13 | 14 | 11 | 13 | 13 | 12 | 15 | 15 | 12 | 13 | 13 | 12 | 15 | 18 | |
| Feels °C (?) | 3 | 2 | 2 | -4 | 2 | 5 | 5 | 8 | 8 | 5 | 7 | 8 | 9 | 7 | 6 | 7 | 7 | 8 | 9 | 5 | 9 | |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for VIC - Mornington Peninsula
The wind is still cross-off at Cyrils and Big Left (light winds from the WNW at Cerberus Automatic Weather Station 20 km from Cyrils and Big Left). 1.0m 11s groundswell from the WSW to make surfable waves.
20 km away, 1 h 8 min ago
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 Cyrils and Big Left 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.
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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