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Cat Bay (Shelly Beach) Surf Forecast
/ VIC – Phillip Island (20 breaks) / Victoria (127 breaks) /
Cat Bay (Shelly Beach) surfForecast / VIC – Phillip Island / Australia
12 Day Weather and Surf, issued 4 pm Thursday 03 Apr 2025 AEDT
Best Forecast Surf Conditions for Cat Bay (Shelly Beach) this week:
The surf forecast for Cat Bay (Shelly Beach) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Apr 04) at 5AM. The primary swell is predicted to be 1.0m and 16s period with a secondary swell of 1.2m and 8s. Another secondary swell of 1.1m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cat Bay (Shelly Beach) in the next 12 days are 4.0m 15s and forecast to arrive on Sunday (Apr 06) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Friday (Apr 04) at 8PM.
| Wave Type | Time (AEDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 4th Apr) | 3.5ft (1.0m) 16s |
| Best Surf | 10PM (Mon 7th Apr) | 8ft (2.5m) 15s |
| Most Powerful | 7PM (Sun 6th Apr) | 13ft (4.0m) 15s |
Table - best surf conditions forecast for Cat Bay (Shelly Beach) over the next 12 days.
Thu 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tue 15 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 16 | 14 | 14 | 13 | 13 | 13 | 12 | 14 | 16 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 14 | 15 | 20 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 290 | 290 | 1164 | 1196 | 1998 | 2340 | 1697 | 1374 | 1928 | 4078 | 6148 | 4301 | 3313 | 2416 | 1665 | 1343 | 1086 | 755 | 755 | 767 | 911 | 780 | 609 | 424 | 444 | 1403 | 2178 | 5704 | 4860 | 3997 | 3415 | 2804 | 2359 | 1889 | 1744 | 2170 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross- off | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- on | off | cross- on | on | cross- on | on | cross- on | cross- off | on | cross- on | cross | cross- off | cross | cross | cross- on | on | cross- on | cross- off | cross- off |
High Tide / height (m) | 4:45PM 2.67 | 4:33AM 2.44 | 5:32PM 2.59 | 5:18AM 2.39 | 6:17PM 2.46 | 6:03AM 2.29 | 7:04PM 2.31 | 6:51AM 2.15 | 7:53PM 2.15 | 7:43AM 2.00 | 8:46PM 2.02 | 8:44AM 1.86 | 9:44PM 1.92 | 9:59AM 1.79 | 10:46PM 1.87 | 11:19AM 1.80 | 11:46PM 1.87 | 12:29PM 1.88 | 12:38AM 1.90 | 1:25PM 2.01 | 1:23AM 1.94 | 2:12PM 2.14 | 2:04AM 1.99 | |||||||||||||
Low Tide / height (m) | 10:45PM 0.54 | 10:58AM -0.15 | 11:30PM 0.60 | 11:44AM -0.03 | 12:14AM 0.68 | 12:31PM 0.14 | 1:01AM 0.77 | 1:19PM 0.34 | 1:52AM 0.87 | 2:10PM 0.54 | 2:51AM 0.93 | 3:09PM 0.71 | 3:58AM 0.95 | 4:18PM 0.84 | 5:08AM 0.90 | 5:30PM 0.90 | 6:08AM 0.80 | 6:36PM 0.90 | 6:58AM 0.68 | 7:30PM 0.87 | 7:42AM 0.55 | 8:16PM 0.82 | 8:21AM 0.43 | |||||||||||||
Thu 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tue 15 | ||||||||||||||||||||||||
| Sunrise | - | - | 7:35 | - | - | 7:35 | - | - | 7:37 | - | - | 7:37 | - | - | 7:39 | - | - | 7:39 | - | - | 7:41 | - | - | 7:41 | - | - | 7:43 | - | - | 7:43 | - | - | 7:45 | - | - | 7:45 |
| Sunset | 7:09 | - | - | 7:08 | - | - | 7:07 | - | - | 7:06 | - | - | 7:04 | - | - | 7:02 | - | - | 7:00 | - | - | 7:00 | - | - | 6:58 | - | - | 6:57 | - | - | 6:54 | - | - | 6:53 | - | - |
 |  |  | |  |  | |  | | |  | | | | | | | | | | | | | | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - | 1 | - | - | - | 2 | - |
| Temp. °C | 16 | 16 | 14 | 15 | 16 | 14 | 14 | 16 | 14 | 18 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 13 | 15 | 15 | 18 | 25 | 24 | 20 | 19 | 17 | 18 | 23 | 18 | 14 | 14 | 14 | 13 | 17 | 16 | 14 |
| Feels °C (?) | 13 | 10 | 10 | 9 | 10 | 6 | 7 | 12 | 6 | 10 | 7 | 9 | 9 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 12 | 20 | 18 | 14 | 17 | 15 | 14 | 22 | 13 | 7 | 6 | 6 | 6 | 10 | 8 | 7 |
Short Range Forecast: Some drizzle, heaviest during Fri night. Very mild (max 16°C on Thu afternoon, min 12°C on Sat night). Winds increasing (light winds from the SSW on Thu afternoon, strong winds from the SW by Fri night). | Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun night. Very mild (max 18°C on Sun afternoon, min 12°C on Wed morning). Winds decreasing (strong winds from the W on Sun night, light winds from the SE by Tue night). | Days 6-9 Weather Summary Mostly dry. Warm (max 25°C on Thu afternoon, min 14°C on Wed afternoon). Winds increasing (light winds from the SSE on Wed afternoon, fresh winds from the N by Thu night). | Long Range Forecast: Light rain (total 5mm), mostly falling on Sat night. Warm (max 23°C on Sat afternoon, min 12°C on Mon morning). Winds increasing (light winds from the WSW on Sat afternoon, strong winds from the WSW by Sun afternoon). | |||||||||||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cat Bay (Shelly Beach) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Cat Bay (Shelly Beach) Surf forecast
The above surf forecast table for Cat Bay (Shelly Beach) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Cat Bay (Shelly Beach) can be found by selecting the local surf guide option on the grey menu. Our Cat Bay (Shelly Beach) 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 (Cat Bay (Shelly Beach)) 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 Cat Bay (Shelly Beach) 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.
Cat Bay is 34 km (21 miles) from Mornington. If you plan a holiday in Phillip Island, 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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