Surf Forecasts:
How big are the waves at Cat Bay (Shelly Beach) today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 5ft (1.6m), 13s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 7ft (2.1m), 15s period with SW swell.
The current surf forecast for Cat Bay (Shelly Beach) at 8PM is: 2.1m 15s primary swell from a Southwest direction and 0.6m 16s secondary swell from a South-southwest direction, 0.3m 3s secondary swell from a North-northwest direction (forecast issued at 03:00pm September 18). The wind direction is predicted to be onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 5ft (1.6m) | 13s |
| Evening (18 Sep) | 7ft (2.1m) | 15s |
Table - waves today at Cat Bay (Shelly Beach). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 24°C on Sun afternoon, min 11°C on Sun night). Winds increasing (light winds from the WSW on Sat afternoon, near gales from the NNW by Sun morning). | ||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||
1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 17 | SW 13 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 897 | 981 | 2054 | 1760 | 1688 | 1762 | 1708 | 1750 | 1634 | 1986 | 1285 | 1094 | 987 | 1021 | 975 | 990 | 878 | 801 | 778 | 1783 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | on | on | on | on | cross-on | cross-on | cross | cross | on | on | on | on | on | on | on | cross | cross-on |
High Tide | 4:12PM2.21m | 5:03AM2.24m | 4:45PM2.14m | 5:41AM2.14m | 5:20PM2.05m | |||||||||||||||
Low Tide | 10:22AM0.71m | 10:35PM0.25m | 10:57AM0.79m | 11:11PM0.34m | 11:33AM0.89m | |||||||||||||||
 |  |  | | |  | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | 6:10 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 20 | 19 | 16 | 16 | 15 | 14 | 16 | 19 | 17 | 19 | 19 | 17 | 16 | 15 | 18 | 21 | 24 | 17 | 16 |
Feels °C | 12 | 13 | 13 | 9 | 8 | 7 | 5 | 9 | 15 | 13 | 17 | 16 | 12 | 10 | 6 | 7 | 9 | 15 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 |
| kJ | 865 | 981 | 2054 | 1760 | 1688 | 1762 | 1708 | 1750 | 1634 | 1494 | 1285 | 1094 | 987 | 1021 | 975 | 990 | 878 | 801 | 778 | 1783 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 16 | SSW 16 | — | — | — | — | — | — | NW 4 | SSW 14 | SSW 14 | — | SSW 15 | SSW 16 | — | — | — | — | — |
| kJ | 897 | 813 | 191 | — | — | — | — | — | — | 2 | 41 | 73 | — | 172 | 215 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 4 | NNW 3 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | WSW 13 | — | — | NW 3 | NW 3 | N 3 | N 4 | NNW 4 | NW 4 | WNW 5 | SW 8 |
| kJ | 15 | 21 | 2 | 11 | 17 | 18 | 31 | 16 | 7 | 1986 | — | — | 1 | 2 | 11 | 33 | 46 | 40 | 49 | 498 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 2 | 68 | 60 | 68 | 100 | 68 | 100 | 10 | 0 | 0 | 0 | 2 | 2 | 12 | 60 | 83 | 99 | 78 | 72 | 72 |
Best forecast wave conditions in Phillip Island | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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