Surf Forecasts:
Cyrils and Big Left surf forecast from 3 Oct 2026:
- Best quality surf: Friday 9 Oct, 11PM (local time) - 6ft (1.8m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Tuesday 6 Oct, 8PM (local time) - 10ft (3.0m), 15s period, SW swell with 4,368 kJ wave energy.
- Next surfable swell (1★+): Monday 5 Oct, 8AM (local time) - 6.5ft (2.0m), 16s period with SW swell.
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 Monday (Oct 05) at 8AM. The primary swell is predicted to be 2.0m and 16s period with a secondary swell of 0.8m and 6s. 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 16 days are 3.0m 15s and forecast to arrive on Tuesday (Oct 06) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Friday (Oct 09) at 11AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 5th Oct) | 6.5ft (2.0m) 16s |
| Best Surf | 11PM (Fri 9th Oct) | 6ft (1.8m) 16s |
| Most Powerful | 8PM (Tue 6th Oct) | 10ft (3.0m) 15s |
Table - best surf conditions forecast for Cyrils and Big Left over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Sat afternoon. Very mild (max 13°C on Mon afternoon, min 10°C on Sun morning). Winds decreasing (fresh winds from the SE on Sat afternoon, calm by Mon night). | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Fri morning, min 8°C on Tue night). Winds increasing (light winds from the NE on Wed night, strong winds from the NNW by Fri morning). | |||||||||||||||||||
Sat 3 | Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1077 | 1033 | 1004 | 1561 | 1904 | 1643 | 1764 | 1571 | 1806 | 4032 | 3848 | 3538 | 3040 | 2197 | 1441 | 1109 | 820 | 864 | 1415 | 1552 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross | cross-off | on | cross-off | cross-off | cross-on | on | cross-on | on | cross-off | cross-off | off | cross-off | off | cross-off | cross |
High Tide | 4:45AM2.16m | 4:25PM1.99m | 5:33AM2.04m | 5:13PM1.91m | 6:26AM1.91m | 6:10PM1.80m | 7:26AM1.80m | 7:24PM1.70m | 8:35AM1.72m | 8:54PM1.66m | 9:46AM1.70m | 10:24PM1.71m | ||||||||
Low Tide | 10:09PM-0.01m | 10:40AM0.66m | 10:55PM0.08m | 11:27AM0.73m | 11:46PM0.23m | 12:21PM0.80m | 00:45AM0.40m | 1:28PM0.83m | 1:56AM0.56m | 2:48PM0.81m | 3:19AM0.67m | 4:05PM0.71m | ||||||||
 |  |  | | |  | |  | | | | | | | | | | |  |  | |
 | — | — | 6:52 | — | — | 5:50 | — | — | 5:48 | — | — | 5:47 | — | — | 5:45 | — | — | 5:43 | — | — |
 | 6:24 | — | — | 7:25 | — | — | 6:27 | — | — | 6:28 | — | — | 6:29 | — | — | 6:30 | — | — | 6:30 | — |
mm | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Temp °C | 11 | 12 | 11 | 11 | 11 | 11 | 13 | 12 | 13 | 12 | 12 | 10 | 15 | 13 | 20 | 21 | 18 | 22 | 23 | 17 |
Feels °C | 4 | 7 | 7 | 7 | 7 | 8 | 11 | 10 | 5 | 4 | 7 | 6 | 11 | 9 | 15 | 17 | 14 | 14 | 20 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 |
| kJ | 1077 | 1033 | 1004 | 1561 | 1904 | 1643 | 1764 | 1571 | 1806 | 133 | 3848 | 3538 | 3040 | 2197 | 1441 | 1109 | 820 | 864 | 1415 | 1552 |
Swell 2 Height (m) Direction Period (s) | — | SE 6 | SSW 6 | SSW 6 | SSW 5 | SSW 6 | SSW 5 | SSW 16 | SSW 16 | — | SSW 14 | SSW 16 | SSW 16 | SSW 16 | ESE 5 | SSW 14 | SSW 16 | SSW 17 | SSW 17 | S 16 |
| kJ | — | 54 | 89 | 58 | 46 | 25 | 10 | 146 | 81 | — | 165 | 191 | 201 | 137 | 9 | 82 | 97 | 115 | 166 | 122 |
Swell 3 Height (m) Direction Period (s) | — | SSW 5 | SSW 15 | SSW 16 | ESE 8 | SSW 17 | — | — | — | — | — | — | — | — | SSW 14 | ESE 6 | ESE 4 | ESE 8 | ESE 8 | — |
| kJ | — | 10 | 79 | 137 | 6 | 159 | — | — | — | — | — | — | — | — | 41 | 7 | 2 | 7 | 6 | — |
Wind waves Height (m) Direction Period (s) | SE 7 | — | — | — | — | — | — | — | WNW 4 | SW 15 | — | — | SSE 4 | ESE 4 | N 3 | NNW 4 | NNE 3 | NNW 4 | N 4 | SW 5 |
| kJ | 287 | — | — | — | — | — | — | — | 22 | 4032 | — | — | 9 | 12 | 5 | 9 | 3 | 21 | 10 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 536 | 10 | 10 | 10 | 1 | 0 | 6 | 0 | 62 | 464 | 10 | 10 | 10 | 12 | 0 | 0 | 12 | 34 | 0 | 8 |
Best forecast wave conditions in Mornington Peninsula | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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