Surf Forecasts:
Cyrils and Big Left surf forecast from 15 Oct 2026:
- Best quality surf: Thursday 22 Oct, 2AM (local time) - 4ft (1.2m), 17s period, SW swell with glassy winds.
- Most powerful swell: Thursday 22 Oct, 8AM (local time) - 5.5ft (1.7m), 16s period, SW swell with 1,402 kJ wave energy.
- Next surfable swell (1★+): Friday 16 Oct, 8AM (local time) - 3ft (0.9m), 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 8AM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.6m and 5s. Another secondary swell of 0.9m and 6s is also forecast. 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 1.7m 16s and forecast to arrive on Thursday (Oct 22) at 8AM. Winds are predicted to be cross-offshore 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 (Oct 21) at 2PM.
| Wave Type | Time (AEDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Fri 16th Oct) | 3ft (0.9m) 11s |
| Best Surf | 2AM (Thu 22nd Oct) | 4ft (1.2m) 17s |
| Most Powerful | 8AM (Thu 22nd Oct) | 5.5ft (1.7m) 16s |
Table - best surf conditions forecast for Cyrils and Big Left over the next 16 days.
Short Range ForecastMostly dry. Warm (max 20°C on Sat night, min 7°C on Thu morning). Winds decreasing (fresh winds from the E on Thu night, calm by Sat morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Tue afternoon, min 16°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||
AM | 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 12 | SW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 12 | SW 16 | SW 14 | SW 14 | SW 14 | SW 17 | SW 16 | WSW 15 | SW 14 | SW 13 | SW 12 | SW 13 | SW 13 | SW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 520 | 396 | 209 | 205 | 231 | 172 | 112 | 86 | 63 | 102 | 91 | 221 | 844 | 906 | 711 | 540 | 458 | 301 | 342 | 326 | 851 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross-off | cross-on | cross | glassy | cross-on | cross-off | off | cross-on | cross-off | off | cross-on | cross-off | off | off | cross-off | cross-off | off | glassy |
High Tide | 3:21PM1.89m | 4:10AM2.13m | 3:55PM1.87m | 4:45AM2.07m | 4:28PM1.84m | 5:19AM2.00m | 5:00PM1.77m | 5:55AM1.91m | 5:34PM1.70m | 6:33AM1.82m | 6:11PM1.61m | 7:14AM1.73m | 6:58PM1.53m | ||||||||
Low Tide | 9:38AM0.61m | 9:37PM0.17m | 10:13AM0.63m | 10:12PM0.21m | 10:46AM0.67m | 10:46PM0.27m | 11:20AM0.73m | 11:20PM0.36m | 11:55AM0.80m | 11:55PM0.46m | 12:34PM0.87m | 00:34AM0.57m | 1:20PM0.92m | 1:20AM0.68m | |||||||
 | |  | | |  |  | | | | | | | | | | | |  | | | |
 | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — |
 | — | 7:37 | — | — | 7:37 | — | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — | — | 7:42 | — | — | 7:43 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | — |
Temp °C | 11 | 16 | 16 | 15 | 17 | 18 | 17 | 19 | 20 | 19 | 22 | 21 | 21 | 26 | 24 | 23 | 27 | 26 | 17 | 18 | 17 |
Feels °C | 5 | 10 | 8 | 12 | 11 | 12 | 16 | 15 | 16 | 16 | 20 | 16 | 17 | 23 | 20 | 17 | 23 | 21 | 13 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 17 | SW 16 | WSW 15 | SW 14 | SW 13 | SW 12 | SW 13 | SW 13 | SW 17 |
| kJ | 520 | 396 | 209 | 205 | 231 | 172 | 112 | 86 | 35 | 102 | 91 | 221 | 844 | 906 | 711 | 540 | 458 | 301 | 342 | 326 | 851 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 6 | SW 20 | SE 5 | SE 4 | SW 16 | SE 4 | SE 4 | SE 7 | SE 4 | E 7 | S 15 | SE 4 | — | — | ESE 4 | SW 21 | SW 19 | WSW 12 |
| kJ | — | — | — | 16 | 15 | 10 | 3 | 42 | 5 | 2 | 2 | 3 | 8 | 42 | 4 | — | — | 3 | 18 | 96 | 247 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 10 | SW 18 | SW 18 | S 16 | SW 16 | SE 7 | — | SW 20 | SW 16 | — | SSW 15 | — | — | SW 23 | SW 21 | ESE 8 | W 5 |
| kJ | — | — | — | — | 2 | 13 | 48 | 5 | 63 | 2 | — | 15 | 10 | — | 23 | — | — | 21 | 18 | 6 | 2 |
Wind waves Height (m) Direction Period (s) | E 4 | SE 5 | ESE 5 | — | SE 6 | ESE 5 | — | SE 4 | E 4 | — | SE 2 | ESE 4 | — | — | E 4 | NNW 3 | NNW 3 | NE 2 | N 4 | N 4 | — |
| kJ | 10 | 26 | 61 | — | 11 | 34 | — | 3 | 7 | — | 1 | 7 | — | — | 6 | 1 | 1 | 1 | 9 | 13 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 121 | 38 | 0 | 10 | 0 | 0 | 10 | 0 | 0 | 10 | 0 | 0 | 10 | 0 | 0 | 0 | 18 | 38 | 6 | 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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