
Surf Forecasts:
Cyrils and Big Left surf forecast from 12 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 1AM (local time) - 15ft (4.5m), 15s period, WSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 14 Jul, 1AM (local time) - 15ft (4.5m), 15s period, WSW swell with 8,964 kJ wave energy.
- Next surfable swell (1★+): Tuesday 14 Jul, 1AM (local time) - 15ft (4.5m), 15s period with WSW 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 Tuesday (Jul 14) at 1AM. The primary swell is predicted to be 4.5m and 15s period with a secondary swell of 4.0m and 15s. 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 4.5m 15s and forecast to arrive on Tuesday (Jul 14) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Monday (Jul 13) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Tue 14th Jul) | 15ft (4.5m) 15s |
| Best Surf | 1AM (Tue 14th Jul) | 15ft (4.5m) 15s |
| Most Powerful | 1AM (Tue 14th Jul) | 15ft (4.5m) 15s |
Table - best surf conditions forecast for Cyrils and Big Left over the next 16 days.
Alright, this is Rusty lookin’ at the charts for the next stretch, and honestly, for the first few days, it’s a bit of a wild one. We’ve got a serious pulse of energy coming in, but it’s paired with some hefty wind that’ll make life tricky.
We kick things off on Monday, July 13th, with a big, powerful SW groundswell. The combined energy is off the charts, reading 5643, which is just a massive push. The swell is sitting at 12ft, with a long period of 15 seconds, so this is a deep ocean groundswell. However, the wind is howling from the NW at 28 mph. For a spot like Cyrils and Big Left that needs an offshore NW wind, this is actually a strong offshore – making the surface glassy but with that kind of power, paddling in will be a battle. The swell is well over 8ft, so this is strictly for experienced surfers only. The crowds here are only *sometimes* an issue, so the main challenge will be the raw power and the tough paddle out.
By Tuesday, July 14th, we still have that huge energy – 9339 in the morning, the highest all run – with the same 12ft SW swell at 16 seconds. The wind eases to a Westerly at 22 mph, keeping things cross-offshore and clean, but again, this is big, heavy surf. It’s still expert territory.
Wednesday, July 15th sees the swell back off a bit to 8ft, but the rating drops. The wind is lighter but swinging around, and the conditions are described as marginal. The real standouts aren't here yet.
Alright, the window really opens up from the end of the week into the weekend. Friday, July 17th, is a gem. The swell has dropped to a very manageable 7ft, still from the SW with a nice 16-second period. The wind is light, but check out Friday afternoon – SE at 3 mph, glassy. That is as good as it gets. The combined energy is still solid at 2329, so there’s plenty of push for a long, walling ride. This is the best on offer. The break is still big enough to be for experienced surfers only, but those afternoon conditions are pristine.
Saturday, July 18th is a close second, with the swell dropping to *5ft* by morning and *5ft* by afternoon. The wind goes light offshore from the NNW. This is a more manageable size, clean, and still has plenty of juice from that SW direction. This is where the intermediate surfer could have a go, though it’s still got some power.
After that, there’s a definite lull. Sunday through the following Wednesday sees the swell drop to between 3ft and 6ft, but the energy gets weak (down to 287), and the wind picks up again. It’s not a complete write-off, but nothing special.
Then, look here – we get a return pulse. Saturday, July 25th and Sunday, July 26th. Saturday morning shows a clean 6ft SW swell at 16 seconds, with a moderate offshore wind. The energy is back up to 1991. And Sunday, July 26th, is looking magic. 5ft from the SW at 14 seconds, and the wind goes glassy again from the NNW. That’s going to be another perfect, clean day for experienced crew.
The water temp is about average for this time of year, so no surprises there in the water temp.
To sum it up, the absolute standout days are Friday, July 17th afternoon for that glassy perfection with good power, and Sunday, July 26th for the glassy offshore morning. Don’t sleep on Saturday the 18th either for a slightly mellower, still clean session. The first few days are for the big-wave chargers only.
Rusty.
Short Range ForecastModerate rain (total 11mm), heaviest on Mon night. Very mild (max 14°C on Mon morning, min 10°C on Tue night). Winds decreasing (strong winds from the NW on Sun night, light winds from the WNW by Wed afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 14°C on Wed night, min 10°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sun 19 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | WSW 13 | SW 15 | SW 16 | WSW 15 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 14 | SW 14 | SW 13 | WSW 13 | SW 13 | SW 12 |
Wave Graph | |||||||||||||||||||||
3748 | 5477 | 5973 | 8964 | 5512 | 5060 | 3695 | 2474 | 2050 | 1737 | 2010 | 2066 | 1760 | 2185 | 2185 | 1426 | 1034 | 711 | 451 | 311 | 205 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | glassy | cross-off | glassy | cross-off | off | off | off | off | off |
High Tide | 9:53AM1.94m | 8:58PM1.79m | 11:03AM1.99m | 10:14PM1.79m | 12:07PM2.07m | 11:30PM1.83m | 1:04PM2.14m | 00:42AM1.89m | 1:53PM2.19m | 1:47AM1.95m | 2:38PM2.22m | 2:46AM1.99m | 3:20PM2.21m | ||||||||
Low Tide | 2:47AM0.12m | 3:36PM1.03m | 3:55AM0.09m | 4:52PM1.00m | 5:05AM0.07m | 6:03PM0.89m | 6:11AM0.05m | 7:05PM0.74m | 7:11AM0.07m | 8:00PM0.58m | 8:06AM0.12m | 8:50PM0.43m | 8:57AM0.22m | ||||||||
— | 7:35 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — | 7:31 | — | |
— | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — | 5:17 | — | — | 5:17 | — | — | 5:19 | — | — | 5:20 | |
mm | 2 | — | 1 | 6 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 14 | 14 | 13 | 13 | 14 | 12 | 11 | 13 | 14 | 12 | 13 | 13 | 11 | 12 | 12 | 12 | 14 | 13 | 13 | 15 |
Feels °C | 3 | 4 | 4 | 6 | 5 | 7 | 7 | 7 | 9 | 11 | 10 | 11 | 11 | 10 | 11 | 10 | 8 | 11 | 8 | 7 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | SW 15 | SW 16 | SW 15 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 14 | SW 14 | SW 13 | WSW 13 | SW 13 | SW 12 |
3748 | 5477 | 5973 | 7569 | 5512 | 5060 | 3695 | 2474 | 2050 | 1737 | 2010 | 2066 | 1760 | 2185 | 2185 | 1426 | 1034 | 711 | 451 | 311 | 205 | |
Swell 2 Height (m) Direction Period (s) | — | SSW 17 | SSW 15 | — | — | — | SSW 16 | — | — | SSW 15 | — | — | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | — | — | SW 21 | SW 20 |
— | 166 | 256 | — | — | — | 138 | — | — | 121 | — | — | 72 | 237 | 144 | 44 | 41 | — | — | 17 | 97 | |
Swell 3 Height (m) Direction Period (s) | — | — | SSW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 21 | SSW 11 |
— | — | 75 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 43 | 24 | |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 5 | NW 5 | WSW 15 | SW 16 | SW 15 | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | NNW 3 | NNW 3 |
31 | 71 | 80 | 8964 | 3827 | 3539 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 5 | 3 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 90 | 269 | 269 | 58 | 59 | 62 | 1 | 8 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 6 |
Best forecast wave conditions in Mornington Peninsula | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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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.











