Surf Forecasts:
Cathedral Rock surf forecast from 13 Aug 2026:
- Best quality surf: Friday 14 Aug, 7AM (local time) - 13ft (4.0m), 16s period, WSW swell with cross-offshore winds.
- Most powerful swell: Friday 14 Aug, 7AM (local time) - 13ft (4.0m), 16s period, WSW swell with 7,950 kJ wave energy.
- Next surfable swell (1★+): Friday 14 Aug, 7AM (local time) - 13ft (4.0m), 16s period with WSW 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 14) at 7AM. The primary swell is predicted to be 4.0m and 16s period with a secondary swell of 3.5m and 16s. Another secondary swell of 0.2m and 15s is also forecast. 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 4.0m 16s and forecast to arrive on Friday (Aug 14) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Aug 19) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Fri 14th Aug) | 13ft (4.0m) 16s |
| Best Surf | 7AM (Fri 14th Aug) | 13ft (4.0m) 16s |
| Most Powerful | 7AM (Fri 14th Aug) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Cathedral Rock over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s break it down.
The next couple of days are a mixed bag, but there’s a real standout session on Saturday morning that’ll have you smiling. Water temp is 57°, which is about normal for the season.
We’re starting at Cathedral Rock (point break, fairly consistent). Thursday afternoon kicks off with a solid 12ft SW swell, but the wind is cross and conditions are marginal. Combined energy is strong at 6231. Friday stays similar, 12ft SW but the wind turns cross-onshore by the afternoon.
Saturday morning (15th August) is the one. The swell drops slightly to 10ft from the SW, period a solid 16 seconds – that’s proper groundswell. And the wind? Glassy, zero wind. The waves will be clean and lined up. Combined energy is 3813, still strong. At 10ft, this is expert territory – not for the faint-hearted. Crowds can happen here sometimes, so paddle out early.
Sunday drops to 7ft from the SW with a light cross-shore, still okay. Monday morning (17th) brings 6ft SW with clean conditions and a light cross-offshore breeze – very surfable.
Tuesday morning (18th) is 5ft SW with a gentle offshore, clean. Wednesday through Friday (19th-21st) the swell drops to under 3ft, but winds stay clean. Small but fun.
Now, the second week gets huge. Saturday 22nd sees a jump back to 6ft but with choppy cross-winds. Then Sunday 23rd kicks off a proper run: 12ft SW, period 16 seconds, combined energy 6274 (very strong). Wind is cross, so not perfect but powerful. Monday 24th afternoon looks massive: 13ft from the WSW, period 13 seconds, combined energy a whopping 9043. Clean cross-offshore wind. That’s a big, powerful swell – experts only.
Tuesday 25th afternoon is also a standout: 12ft SW with clean conditions and an excellent rating for experienced surfers. Wednesday 26th is the biggest of the run: 13ft SW, period 16 seconds, combined energy 13783 – that’s extreme. Clean cross-offshore winds. If you’re a confident surfer, that morning or afternoon is likely the biggest, most powerful swell of the whole outlook. It’s still a week and a half away, so less certain, but it’s got my heart pumping.
Towards the end (27th-28th), the swell eases to 7ft to 8ft, but winds turn cross or cross-onshore, so quality drops. The last entry on the 28th has a very long 19-second period with cross-onshore wind – heaps of energy (4753) but a bit lumpy.
To wrap it up: Saturday morning (15th August) with glassy 10ft SW groundswell is your first true standout. Then the big stuff rolls in from the 23rd through the 26th, with Wednesday 26th looking like the heavyweight champ. Go get it.
Stay stoked,
Rusty
Short Range ForecastMostly dry. Very mild (max 14°C on Fri morning, min 11°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Wed morning. Very mild (max 17°C on Tue morning, min 10°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||
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 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SW 15 | SW 14 | SW 16 | SW 16 | SW 14 | SW 15 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 6628 | 5427 | 5288 | 4940 | 3788 | 3444 | 2326 | 1641 | 1507 | 1215 | 1270 | 1829 | 1563 | 915 | 448 | 620 | 305 | 226 | 211 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross-on | glassy | on | cross-on | cross-on | cross-on | glassy | cross-off | cross | glassy | off | cross-off | cross-off | off | off | cross-off |
High Tide | 11:16PM1.59m | 12:32PM1.91m | 00:28AM1.71m | 1:18PM1.97m | 1:29AM1.84m | 1:59PM2.02m | 2:21AM1.95m | 2:38PM2.02m | 3:09AM2.01m | 3:16PM2.00m | 3:54AM2.03m | 3:51PM1.94m | |||||||
Low Tide | 5:46AM0.26m | 6:41PM0.62m | 6:46AM0.25m | 7:30PM0.44m | 7:40AM0.25m | 8:13PM0.28m | 8:28AM0.27m | 8:54PM0.16m | 9:13AM0.33m | 9:33PM0.10m | 9:56AM0.42m | 10:11PM0.10m | |||||||
 |  | | | | | | |  | | | |  | | | |  | | | |
 | — | 7:11 | — | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — |
 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — |
Temp °C | 13 | 14 | 14 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 17 | 17 | 14 | 13 | 14 | 12 |
Feels °C | 10 | 11 | 11 | 9 | 11 | 10 | 10 | 10 | 11 | 11 | 10 | 11 | 12 | 13 | 14 | 9 | 8 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SW 15 | SW 14 | SW 13 | SW 16 | SW 14 | SW 15 | SW 14 |
| kJ | 6628 | 5427 | 5288 | 4940 | 3788 | 3444 | 2326 | 1641 | 1507 | 1215 | 1270 | 1829 | 1563 | 915 | 412 | 620 | 305 | 226 | 211 |
Swell 2 Height (m) Direction Period (s) | SSE 16 | S 14 | S 15 | S 15 | SSE 16 | S 16 | S 16 | — | ESE 6 | — | S 17 | S 16 | ESE 6 | E 6 | SW 16 | E 4 | ESE 6 | ESE 7 | SW 19 |
| kJ | 48 | 16 | 74 | 72 | 24 | 121 | 75 | — | 27 | — | 5 | 5 | 62 | 43 | 448 | 9 | 3 | 4 | 94 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 15 | SW 18 | S 16 | S 16 | — | — | E 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 212 | 5 | 5 | — | — | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 5 | — | ESE 6 | ESE 5 | ESE 5 | E 6 | NE 3 | E 4 | NE 3 | NE 5 | NE 5 | NNE 4 |
| kJ | — | — | — | — | — | — | — | 19 | — | 87 | 43 | 26 | 98 | 4 | 20 | 5 | 30 | 23 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 4 | 4 | 4 | 0 | 18 | 57 | 48 | 57 | 0 | 0 | 62 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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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