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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 Sunday 22 Dec 2024 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 Monday (Dec 23) at 8AM. The primary swell is predicted to be 2.5m and 13s period with a secondary swell of 0.6m and 18s. Another secondary swell of 0.2m and 18s 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 2.2m 16s and forecast to arrive on Thursday (Dec 26) at 11PM. 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 Friday (Dec 27) at 5AM.
| Wave Type | Time (AEDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 23rd Dec) | 8ft (2.5m) 13s |
| Best Surf | 8PM (Fri 27th Dec) | 6.5ft (2.0m) 13s |
| Most Powerful | 11PM (Thu 26th Dec) | 7ft (2.2m) 16s |
Table - best surf conditions forecast for Cat Bay (Shelly Beach) over the next 12 days.
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | Fri 03 | ||||||||||||||||||||||||
| 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 | 8 | 8 | 9 | 12 | 11 | 10 | 10 | 11 | 12 | 12 | 12 | 15 | 14 | 14 | 13 | 9 | 9 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 13 | 13 | 14 | 14 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 721 | 1568 | 932 | 1817 | 1404 | 1524 | 821 | 416 | 217 | 216 | 224 | 268 | 252 | 693 | 1368 | 1514 | 864 | 354 | 362 | 780 | 669 | 1228 | 1141 | 944 | 992 | 784 | 543 | 537 | 580 | 821 | 1069 | 1401 | 1363 | 1190 | 961 | 546 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross | cross- on | cross- on | cross | cross- off | cross- off | cross- on | cross- on | cross- off | cross | cross- on | cross- off | cross- off | off | off | cross- on | cross- on | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 5:35PM 2.03 | 6:00AM 2.31 | 6:23PM 1.97 | 6:35AM 2.23 | 7:11PM 1.92 | 7:09AM 2.13 | 8:03PM 1.89 | 7:46AM 2.04 | 8:58PM 1.88 | 8:26AM 1.95 | 9:58PM 1.89 | 9:12AM 1.87 | 11:00PM 1.94 | 10:05AM 1.82 | 12:01AM 2.00 | 11:03AM 1.80 | 12:56AM 2.09 | 12:02PM 1.82 | 1:46AM 2.19 | 12:59PM 1.86 | 2:31AM 2.29 | 1:54PM 1.93 | 3:12AM 2.37 | |||||||||||||
Low Tide / height (m) | 11:37PM 0.51 | 12:22PM 0.57 | 12:17AM 0.66 | 1:03PM 0.56 | 12:59AM 0.81 | 1:43PM 0.55 | 1:45AM 0.95 | 2:26PM 0.55 | 2:37AM 1.07 | 3:12PM 0.55 | 3:36AM 1.16 | 4:02PM 0.53 | 4:42AM 1.20 | 4:56PM 0.49 | 5:49AM 1.21 | 5:51PM 0.44 | 6:51AM 1.16 | 6:44PM 0.36 | 7:44AM 1.09 | 7:34PM 0.29 | 8:32AM 0.99 | 8:22PM 0.23 | 9:16AM 0.87 | |||||||||||||
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | Fri 03 | ||||||||||||||||||||||||
| Sunrise | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:54 | - | - | 5:54 | - | - | 5:54 | - | - | 5:56 | - | - | 5:56 | - | - | 5:56 | - | - | 5:58 | - | - | 5:58 | - | - | 5:58 |
| Sunset | 8:43 | - | - | 8:44 | - | - | 8:44 | - | - | 8:45 | - | - | 8:45 | - | - | 8:45 | - | - | 8:45 | - | - | 8:45 | - | - | 8:45 | - | - | 8:45 | - | - | 8:45 | - | - | 8:45 | - | - |
 |  |  | |  |  |  | | | | | | | | | | | | |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | 5 | 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 18 | 21 | 29 | 33 | 19 | 16 | 16 | 16 | 18 | 19 | 16 | 16 | 17 | 17 | 15 | 16 | 19 | 24 | 17 | 16 | 14 | 15 | 15 | 18 | 21 | 20 | 19 |
| Feels °C (?) | 10 | 3 | 4 | 4 | 5 | 10 | 12 | 13 | 17 | 14 | 18 | 24 | 29 | 10 | 11 | 11 | 12 | 12 | 13 | 10 | 13 | 15 | 13 | 14 | 13 | 15 | 20 | 9 | 9 | 8 | 9 | 9 | 12 | 15 | 12 | 16 |
Short Range Forecast: Light rain (total 9mm), mostly falling on Sun night. Very mild (max 16°C on Tue afternoon, min 13°C on Sun night). Winds decreasing (near gales from the SW on Sun night, calm by Wed morning). | Days 3-6 Weather Summary Mostly dry. Warm (max 33°C on Thu afternoon, min 15°C on Fri afternoon). Winds increasing (light winds from the SSE on Wed afternoon, near gales from the SW by Thu night). | Days 6-9 Weather Summary Some drizzle, heaviest during Sat afternoon. Warm (max 24°C on Tue morning, min 15°C on Sat night). Winds decreasing (fresh winds from the SW on Sat afternoon, light winds from the SSE by Sun night). | Long Range Forecast: Mostly dry. Warm (max 21°C on Thu afternoon, min 13°C on Wed night). Winds decreasing (near gales from the SW on Tue afternoon, light winds from the ENE by Fri morning). | |||||||||||||||||||||||||||||||||
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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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