Surf Forecasts:
Cathedral Rock surf forecast from 6 Aug 2026:
- Best quality surf: Thursday 13 Aug, 7AM (local time) - 16ft (5.0m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 13 Aug, 10AM (local time) - 18ft (5.5m), 15s period, WSW swell with 15,015 kJ wave energy.
- Next surfable swell (1★+): Friday 7 Aug, 7AM (local time) - 6ft (1.9m), 15s period with SW swell.
Best Forecast Surf Conditions for Cathedral Rock this week:
The surf forecast for Cathedral Rock over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 07) at 7AM. The primary swell is predicted to be 1.9m and 15s period with a secondary swell of 0.8m and 7s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cathedral Rock in the next 16 days are 5.5m 15s and forecast to arrive on Thursday (Aug 13) at 10AM. 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 6s period and expected on Sunday (Aug 09) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Fri 7th Aug) | 6ft (1.9m) 15s |
| Best Surf | 7AM (Thu 13th Aug) | 16ft (5.0m) 16s |
| Most Powerful | 10AM (Thu 13th Aug) | 18ft (5.5m) 15s |
Table - best surf conditions forecast for Cathedral Rock over the next 16 days.
The Lowdown
Alright, this is Rusty comin' at ya live from the coast. We've got a solid run of groundswell headed our way, and it's lookin' pretty good for the experienced crew. The water temp is sittin' around average for this time of year, so no nasty surprises there.
Cathedral Rock is where the focus is. This is a classic point break setup, and it's fairly consistent, so it's gonna be a repeat performer. The real standout kicks off Friday the 7th of August. We've got a solid 7ft SW groundswell rolling in with a very long 15-second period, and the wind is a clean cross-offshore in the morning, turning glassy by the afternoon. The wave energy is pumping, with a reading of 1921, and it just gets better. This is excellent surf for experienced surfers.
Saturday morning the 8th holds strong, with 6ft of SW groundswell, a 16-second period, and a clean offshore breeze. The energy is still massive at 1720. The crowd factor is "sometimes" here, so just be aware you might have some company for these waves. The swell direction is a perfect match for the break.
Sunday the 9th sees the swell ease a bit to 5ft, but the wind stays offshore and clean. The energy drops to 744, but it's still a fun, manageable wave. Monday the 10th, things get a bit tricky. The swell jumps back up to 8ft with a very long 19-second period, and the wind turns cross-shore. The energy is huge at 3916, but the conditions are marginal, with a cross-chop making it messy. The size pushes 10ft on Monday afternoon, but it's still not clean.
The real monster shows up on Thursday the 13th of August. We're talkin' a massive 18ft WSW groundswell with a 15-second period and an insane energy reading of 22747. The wind is clean, but the file says it's predicted to be too big for this break. This is for absolute experts only, and even then, it's a serious call. The sets will be huge and long, and the power is just unreal.
The surf starts to settle back down into the second week. Friday the 14th still has a solid 12ft SW swell, but the wind is onshore, so it's not as clean. Saturday the 15th is onshore and messy with 10ft waves. The best of the later period looks like Wednesday the 19th of August, with a clean 6ft SW groundswell and a 17-second period, bringing the energy back up to 1907. Then Thursday the 20th also has a solid run with clean offshore winds and 7ft waves. The period is a bit shorter, but the energy is still strong at 2080.
The very end of the window, Saturday the 22nd of August, looks promising with a clean, glassy morning and a fun 5ft SW swell. Overall, the first weekend is the best call, with that Thursday the 13th being the wildcard for the big-wave chargers.
Rusty out.
Short Range ForecastModerate rain (total 14mm), heaviest on Sat night. Very mild (max 15°C on Sat morning, min 7°C on Thu night). Winds increasing (calm on Fri afternoon, fresh winds from the NNE by Sun morning). | Days 5-7 Weather SummaryModerate rain (total 11mm), heaviest on Tue night. Very mild (max 13°C on Mon morning, min 8°C on Sun night). Mainly fresh winds. | ||||||||||||||||||
Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||
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 15 | SW 15 | SW 15 | SW 17 | SW 16 | SW 15 | SW 14 | SW 14 | WSW 13 | SW 20 | WSW 19 | SW 17 | SW 16 | SW 14 | SW 14 | SW 13 | SW 16 | SW 15 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 1254 | 1860 | 1576 | 2191 | 1715 | 1455 | 1016 | 661 | 465 | 1325 | 3901 | 5240 | 2028 | 1602 | 1130 | 543 | 3158 | 3417 | 4906 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | off | off | off | off | off | off | off | cross | cross | cross-off | cross-off | off | off | cross-off | cross | cross-on |
High Tide | 5:19AM1.88m | 4:50PM1.78m | 6:08AM1.85m | 5:25PM1.73m | 7:03AM1.80m | 6:08PM1.67m | 8:08AM1.75m | 7:03PM1.60m | 9:22AM1.73m | 8:18PM1.53m | 10:36AM1.76m | 9:49PM1.52m | |||||||
Low Tide | 10:45PM0.16m | 11:09AM0.71m | 11:24PM0.13m | 11:53AM0.83m | 00:08AM0.13m | 12:43PM0.94m | 1:02AM0.16m | 1:47PM1.02m | 2:05AM0.22m | 3:08PM1.04m | 3:19AM0.26m | 4:34PM0.97m | |||||||
 |  |  |  | |  |  | | | |  | | | | |  | | | | |
 | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — |
 | — | — | 5:38 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — |
mm | — | — | — | — | — | 1 | 4 | 5 | 4 | 1 | 1 | 1 | — | — | — | 5 | 3 | — | — |
Temp °C | 11 | 13 | 14 | 11 | 15 | 14 | 12 | 11 | 11 | 12 | 13 | 11 | 10 | 13 | 11 | 12 | 9 | 10 | 10 |
Feels °C | 8 | 11 | 12 | 9 | 10 | 10 | 9 | 5 | 6 | 9 | 8 | 6 | 5 | 7 | 5 | 6 | 3 | 3 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 15 | SW 15 | SW 17 | SW 16 | SW 15 | SW 14 | SW 14 | WSW 13 | SW 20 | WSW 19 | SE 18 | SW 11 | SW 14 | SW 14 | SW 13 | NNE 5 | SW 19 | SW 16 |
| kJ | 667 | 1860 | 1576 | 2191 | 1715 | 1455 | 1016 | 661 | 465 | 1325 | 3901 | 48 | 996 | 1602 | 1130 | 543 | 5 | 1336 | 3272 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SSW 7 | SSW 7 | S 18 | S 16 | S 16 | — | SW 18 | SW 17 | SW 14 | ESE 9 | — | SW 16 | S 15 | — | SW 19 | — | — | — |
| kJ | 861 | 56 | 53 | 6 | 5 | 5 | — | 83 | 230 | 589 | 15 | — | 2028 | 4 | — | 222 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 18 | S 16 | SW 20 | — | — | — | — | — | — | ESE 6 | — | — | — | — | — | SW 19 | — | — | — |
| kJ | 12 | 5 | 306 | — | — | — | — | — | — | 13 | — | — | — | — | — | 418 | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 15 | — | — | — | NNE 4 | NE 4 | NE 5 | NE 6 | NE 6 | WNW 3 | — | SW 17 | WSW 10 | N 3 | N 4 | NNE 6 | SW 16 | SW 15 | SW 13 |
| kJ | 1254 | — | — | — | 19 | 9 | 33 | 67 | 114 | 2 | — | 5240 | 1758 | 7 | 12 | 91 | 3158 | 3417 | 4906 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 203 | 0 | 0 | 259 | 537 | 0 | 356 | 356 | 421 | 549 | 523 | 18 |
Best forecast wave conditions in Cape Otway | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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Information about the Cathedral Rock Surf forecast
The above surf forecast table for Cathedral Rock provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cathedral Rock can be found by selecting the local surf guide option on the grey menu. Our Cathedral Rock 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 (Cathedral Rock) 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 Cathedral Rock 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.
Cathedral Rock is 52 km (32 miles) from the city of Geelong West. If you plan a holiday in Cape Otway, look for hotels and other accommodation in Geelong West. Geelong West has rooms for a wide range of budgets as well as car hire and transport links.
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