Surf Forecasts:
Cyrils and Big Left surf forecast from 24 Sep 2026:
- Best quality surf: Wednesday 30 Sep, 7PM (local time) - 4.5ft (1.3m), 16s period, SW swell with offshore winds.
- Most powerful swell: Sunday 27 Sep, 7AM (local time) - 7ft (2.2m), 17s period, SW swell with 2,726 kJ wave energy.
- Next surfable swell (1★+): Friday 25 Sep, 1AM (local time) - 3.5ft (1.1m), 12s 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 Friday (Sep 25) at 1AM. The primary swell is predicted to be 1.1m and 12s period. 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 2.2m 17s and forecast to arrive on Sunday (Sep 27) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Sep 30) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Fri 25th Sep) | 3.5ft (1.1m) 12s |
| Best Surf | 7PM (Wed 30th Sep) | 4.5ft (1.3m) 16s |
| Most Powerful | 7AM (Sun 27th Sep) | 7ft (2.2m) 17s |
Table - best surf conditions forecast for Cyrils and Big Left over the next 16 days.
Short Range ForecastHeavy rain (total 28mm), heaviest during Sat morning. Warm (max 22°C on Thu night, min 10°C on Sat morning). Winds increasing (calm on Fri morning, fresh winds from the ESE by Sat night). | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Wed afternoon, min 9°C on Sun night). Winds increasing (light winds from the SE on Sun night, strong winds from the N by Wed morning). | ||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||
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 12 | SW 12 | SW 12 | SW 13 | SW 14 | SW 13 | SW 18 | SW 16 | SW 16 | SW 15 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 | SW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 398 | 292 | 287 | 295 | 507 | 553 | 1227 | 2166 | 1787 | 1326 | 862 | 778 | 581 | 473 | 864 | 777 | 724 | 803 | 842 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | on | cross | on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-off | off | cross-off | cross-off | off | off | off |
High Tide | 10:23AM1.60m | 10:22PM1.51m | 11:17AM1.66m | 11:33PM1.66m | 11:59AM1.73m | 00:27AM1.83m | 12:37PM1.81m | 1:13AM2.00m | 1:12PM1.89m | 1:55AM2.14m | 1:48PM1.96m | 2:37AM2.23m | |||||||
Low Tide | 3:29AM0.75m | 4:34PM0.96m | 4:45AM0.73m | 5:28PM0.80m | 5:46AM0.68m | 6:11PM0.61m | 6:36AM0.62m | 6:49PM0.42m | 7:20AM0.57m | 7:27PM0.24m | 8:01AM0.54m | 8:05PM0.09m | |||||||
 |  |  |  |  |  |  |  | |  | | | |  | | | | | | |
 | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | — | 6:17 | — | — | 6:19 | — | — | 6:20 | — | — | 6:20 | — | — | 6:21 | — | — | 6:22 | — |
mm | — | — | 3 | 1 | 17 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 17 | 16 | 13 | 10 | 10 | 11 | 11 | 10 | 10 | 9 | 10 | 11 | 17 | 18 | 17 | 18 | 20 | 18 |
Feels °C | 21 | 17 | 13 | 13 | 6 | 5 | 5 | 3 | 2 | 5 | 6 | 7 | 6 | 10 | 11 | 11 | 11 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 13 | SW 14 | SW 13 | SW 18 | SW 16 | SW 16 | SW 15 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 | SW 16 | SW 15 |
| kJ | 398 | 292 | 287 | 295 | 507 | 553 | 1227 | 2166 | 1787 | 1326 | 862 | 778 | 581 | 473 | 864 | 777 | 724 | 803 | 842 |
Swell 2 Height (m) Direction Period (s) | — | SW 16 | SW 24 | SW 4 | SW 21 | SW 20 | SSW 7 | SSW 7 | SSW 15 | SSW 6 | SSW 6 | S 6 | SW 18 | SW 16 | — | SSW 14 | WSW 18 | SSW 16 | SSW 16 |
| kJ | — | 41 | 24 | 7 | 159 | 455 | 163 | 43 | 93 | 40 | 27 | 15 | 51 | 264 | — | 143 | 207 | 137 | 94 |
Swell 3 Height (m) Direction Period (s) | — | — | W 24 | SW 23 | SSW 14 | SSW 20 | SW 13 | SSW 16 | — | SSW 14 | SSW 14 | — | WSW 18 | — | — | ESE 4 | — | — | — |
| kJ | — | — | 12 | 83 | 18 | 38 | 326 | 147 | — | 78 | 68 | — | 33 | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSW 3 | — | SSW 4 | SSW 4 | — | SE 7 | SSE 6 | SE 5 | — | — | ESE 3 | N 3 | N 3 | N 3 | NNW 4 | NNW 4 | — |
| kJ | — | — | 1 | — | 4 | 7 | — | 183 | 70 | 9 | — | — | 3 | 2 | 5 | 2 | 15 | 5 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 10 | 1 | 10 | 600 | 10 | 383 | 129 | 10 | 10 | 10 | 0 | 12 | 12 | 6 | 34 | 34 | 0 |
Best forecast wave conditions in Mornington Peninsula | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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 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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