Surf Forecasts:
Cyrils and Big Left surf forecast from 12 Oct 2026:
- Best quality surf: Monday 19 Oct, 11AM (local time) - 4.5ft (1.3m), 18s period, WSW swell with offshore winds.
- Most powerful swell: Tuesday 13 Oct, 11AM (local time) - 11ft (3.5m), 13s period, SW swell with 4,610 kJ wave energy.
- Next surfable swell (1★+): Friday 16 Oct, 11AM (local time) - 2.5ft (0.8m), 11s 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 (Oct 16) at 11AM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.5m and 6s. 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 13s and forecast to arrive on Tuesday (Oct 13) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Monday (Oct 19) at 11AM.
| Wave Type | Time (AEDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Fri 16th Oct) | 2.5ft (0.8m) 11s |
| Best Surf | 11AM (Mon 19th Oct) | 4.5ft (1.3m) 18s |
| Most Powerful | 11AM (Tue 13th Oct) | 11ft (3.5m) 13s |
Table - best surf conditions forecast for Cyrils and Big Left over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 13°C on Mon afternoon, min 8°C on Thu morning). Winds decreasing (strong winds from the WSW on Mon afternoon, light winds from the NE by Thu morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Sat night, min 11°C on Thu night). Winds decreasing (fresh winds from the E on Thu night, calm by Sat morning). | |||||||||||||||||||
Mon 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | ||||||||||||||
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 16 | WSW 14 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 12 | SW 16 | SW 14 | SW 13 | SW 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2002 | 3040 | 4610 | 3963 | 2883 | 1977 | 1417 | 932 | 520 | 403 | 213 | 174 | 235 | 207 | 139 | 110 | 63 | 102 | 88 | 88 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross-on | cross-on | on | on | cross-on | cross-off | cross-on | cross | off | cross-on | cross | glassy | cross-on | cross | cross-off | cross-on | cross-off |
High Tide | 2:17AM2.07m | 2:08PM1.85m | 2:57AM2.13m | 2:45PM1.88m | 3:35AM2.15m | 3:21PM1.89m | 4:10AM2.13m | 3:55PM1.87m | 4:45AM2.07m | 4:28PM1.84m | 5:19AM2.00m | 5:00PM1.77m | ||||||||
Low Tide | 7:44PM0.30m | 8:23AM0.63m | 8:24PM0.21m | 9:02AM0.61m | 9:02PM0.17m | 9:38AM0.61m | 9:37PM0.17m | 10:13AM0.63m | 10:12PM0.21m | 10:46AM0.67m | 10:46PM0.27m | 11:20AM0.73m | 11:20PM0.36m | |||||||
 |  |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 7:34 | — | — | 7:35 | — | — | 7:36 | — | — | 7:37 | — | — | 7:37 | — | — | 7:38 | — | — | 7:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 16 | 17 | 15 | 17 | 18 | 17 | 18 | 20 | 19 | 20 | 21 |
Feels °C | 5 | 4 | 3 | 2 | 3 | 5 | 5 | 4 | 5 | 10 | 10 | 13 | 12 | 12 | 16 | 14 | 16 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 14 | — | — | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 12 | SE 4 | SW 14 | SW 13 | SW 13 |
| kJ | 2002 | 2296 | — | — | 2883 | 1977 | 1417 | 932 | 520 | 403 | 213 | 174 | 235 | 207 | 139 | 110 | 13 | 102 | 88 | 88 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SE 6 | SW 20 | SE 5 | SE 4 | SW 16 | SW 12 | SE 4 | — | WSW 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 15 | 15 | 19 | 5 | 42 | 48 | 3 | — | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 20 | SW 18 | SW 18 | SE 7 | SW 16 | SE 7 | — | WSW 20 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 13 | 48 | 2 | 63 | 2 | — | 40 |
Wind waves Height (m) Direction Period (s) | SW 6 | WSW 14 | SW 13 | SW 14 | — | — | — | — | E 4 | SE 4 | ESE 6 | NE 3 | SE 5 | ESE 5 | — | SE 4 | ESE 5 | — | SE 4 | ESE 4 |
| kJ | 184 | 3040 | 4610 | 3963 | — | — | — | — | 6 | 16 | 63 | 2 | 18 | 48 | — | 5 | 25 | — | 3 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 62 | 58 | 462 | 294 | 10 | 10 | 10 | 10 | 12 | 121 | 127 | 0 | 10 | 0 | 0 | 10 | 0 | 0 | 10 | 0 |
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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