- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 am Tuesday 04 Mar 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 Tuesday (Mar 04) at 8AM. The primary swell is predicted to be 1.4m and 12s period with a secondary swell of 0.1m and 19s. 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 1.3m 16s and forecast to arrive on Tuesday (Mar 11) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 7s period and expected on Thursday (Mar 06) at 8PM.
| Wave Type | Time (AEDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 4th Mar) | 4.5ft (1.4m) 12s |
| Best Surf | 2PM (Tue 4th Mar) | 4.5ft (1.3m) 12s |
| Most Powerful | 11AM (Tue 11th Mar) | 4.5ft (1.3m) 16s |
Table - best surf conditions forecast for Cat Bay (Shelly Beach) over the next 12 days.
Tuesday 04 | Wednesday 05 | Thursday 06 | Friday 07 | Saturday 08 | Sunday 09 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||||||||||||
| 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 | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 11 | 13 | 12 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 15 | 14 | 13 | 20 | 19 | 17 | 16 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 18 | 16 | 15 | 15 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 520 | 457 | 303 | 205 | 176 | 241 | 282 | 384 | 518 | 639 | 560 | 352 | 240 | 187 | 190 | 605 | 514 | 331 | 377 | 504 | 734 | 886 | 842 | 453 | 317 | 246 | 153 | 89 | 80 | 108 | 421 | 589 | 551 | 447 | 384 | 205 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | off | cross | on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- off | cross- off | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross | cross | cross- off | cross- off | off | off | cross- off | cross- off | off | cross | on | off | glass |
High Tide / height (m) | 4:14PM 2.53 | 4:15AM 2.49 | 5:03PM 2.57 | 4:56AM 2.49 | 5:50PM 2.53 | 5:38AM 2.45 | 6:38PM 2.44 | 6:20AM 2.36 | 7:26PM 2.30 | 7:05AM 2.24 | 8:19PM 2.15 | 7:54AM 2.09 | 9:17PM 2.01 | 8:52AM 1.95 | 10:24PM 1.93 | 10:03AM 1.84 | 11:33PM 1.91 | 11:25AM 1.81 | 12:35AM 1.94 | 12:41PM 1.86 | 1:26AM 2.00 | 1:43PM 1.96 | 2:08AM 2.06 | |||||||||||||
Low Tide / height (m) | 9:52AM 0.08 | 10:16PM 0.41 | 10:37AM -0.05 | 11:02PM 0.48 | 11:21AM -0.10 | 11:46PM 0.57 | 12:06PM -0.06 | 12:30AM 0.69 | 12:53PM 0.05 | 1:16AM 0.81 | 1:41PM 0.21 | 2:06AM 0.94 | 2:35PM 0.38 | 3:06AM 1.04 | 3:36PM 0.54 | 4:18AM 1.09 | 4:45PM 0.65 | 5:37AM 1.05 | 5:56PM 0.70 | 6:45AM 0.94 | 7:00PM 0.71 | 7:38AM 0.79 | 7:54PM 0.69 | |||||||||||||
Tuesday 04 | Wednesday 05 | Thursday 06 | Friday 07 | Saturday 08 | Sunday 09 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||||||||||||
| Sunrise | 7:05 | - | - | 7:05 | - | - | 7:07 | - | - | 7:07 | - | - | 7:09 | - | - | 7:09 | - | - | 7:11 | - | - | 7:11 | - | - | 7:13 | - | - | 7:13 | - | - | 7:15 | - | - | 7:16 | - | - |
| Sunset | - | 7:55 | - | - | 7:54 | - | - | 7:52 | - | - | 7:52 | - | - | 7:50 | - | - | 7:49 | - | - | 7:46 | - | - | 7:45 | - | - | 7:44 | - | - | 7:43 | - | - | 7:40 | - | - | 7:39 | - |
 | |  | | |  |  | | | | | | | | |  |  |  | |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 13 | 4 | 8 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 22 | 23 | 24 | 20 | 18 | 17 | 19 | 20 | 21 | 23 | 24 | 21 | 24 | 24 | 21 | 23 | 18 | 18 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 19 | 20 | 21 | 25 | 24 | 25 | 29 | 26 |
| Feels °C (?) | 14 | 21 | 20 | 19 | 15 | 17 | 18 | 14 | 15 | 19 | 17 | 18 | 21 | 20 | 21 | 20 | 22 | 15 | 12 | 12 | 13 | 14 | 15 | 15 | 15 | 14 | 15 | 16 | 16 | 16 | 21 | 23 | 21 | 23 | 28 | 24 |
Short Range Forecast: Mostly dry. Warm (max 24°C on Wed morning, min 14°C on Tue morning). Winds increasing (calm on Tue afternoon, strong winds from the ESE by Thu night). | Days 3-6 Weather Summary Moderate rain (total 15mm), heaviest on Sun night. Warm (max 24°C on Fri night, min 17°C on Fri night). Winds increasing (light winds from the NE on Sun morning, strong winds from the SW by Sun night). | Days 6-9 Weather Summary Moderate rain (total 13mm), heaviest on Mon afternoon. Very mild (max 19°C on Mon afternoon, min 16°C on Wed night). Winds decreasing (strong winds from the SSW on Mon morning, light winds from the SW by Wed night). | Long Range Forecast: Mostly dry. Warm (max 29°C on Sat afternoon, min 16°C on Thu morning). Winds decreasing (fresh winds from the ESE on Thu night, calm by Sat night). | |||||||||||||||||||||||||||||||||
- 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.
Nearest