Cat Bay (Shelly Beach) Surf Forecast

/ VIC – Phillip Island (20 breaks) / Victoria (127 breaks) /

Australia (828 breaks) / Lat Long: (38.51° S 145.13° E)

Surf Forecasts:

Cat Bay (Shelly Beach) surfForecast / VIC – Phillip Island / Australia

48hr Weather and Surf, issued 9 am Monday 15 Sep 2025 AEST

Forecast update in hr min s Forecast update imminent

Cat Bay (Shelly Beach) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Cat Bay (Shelly Beach) sea temperature is 13.2° C
(Which is slightly warmer than usual)

How big are the waves at Cat Bay (Shelly Beach) today?

The current surf forecast for Cat Bay (Shelly Beach) at 1PM is: 1.7m 15s primary swell from a Southwest direction and 0.4m 15s secondary swell from a South-southwest direction, 1.2m 5s secondary swell from a North-northwest direction (forecast issued at 09:00am September 15). The wind direction is predicted to be onshore.

Time (AEST) & Date	Wave Height	Wave Period
Morning (15 Sep)	6ft (1.8m)	16s
Afternoon (15 Sep)	5ft (1.6m)	15s
Evening (15 Sep)	4.5ft (1.4m)	14s

Table - waves today at Cat Bay (Shelly Beach). (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Monday 15						Tuesday 16								Wednesday 17								Thu 18
	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	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM
Rating (10 max)	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	3	1	2	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SW	SW	SW	SW	SW	WSW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW
Period(s) (?)	17	16	15	15	14	14	13	13	13	12	12	12	12	13	13	14	14	15	15	15	14	14	14	13
Wave Graph (?)
kJ (?)	760	1611	1331	1124	799	671	552	494	601	421	710	835	1836	2440	3172	3772	4065	4546	4631	4089	5078	2967	2402	1804
Wind (km/h)	N	N	NNW	N	N	NW	NNE	WNW	NW	NW	NW	WNW	WNW	NW	WNW	WNW	WNW	WNW	W	W	W	WNW	NW	N
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	on	on	on	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross- on	cross- on	on
High Tide / height (m)	5:09AM 2.47				4:52PM 2.37				5:57AM 2.35				5:38PM 2.27				6:50AM 2.21				6:28PM 2.14
Low Tide / height (m)			11:02AM 0.67				11:23PM 0.01				11:49AM 0.78				12:13AM 0.15				12:40PM 0.89					1:07AM 0.32

	Monday 15						Tuesday 16								Wednesday 17								Thu 18
Sunrise	6:20	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-	-
Sunset	-	-	-	6:08	-	-	-	-	-	-	-	6:08	-	-	-	-	-	-	-	6:09	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	1	4	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-
Temp. °C	15	16	20	22	21	20	15	13	12	13	15	14	13	11	11	10	9	10	11	12	12	12	11	10
Feels °C (?)	5	4	9	14	12	14	14	7	4	7	7	6	5	2	1	0	-1	2	3	5	6	7	7	5

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for VIC - Phillip Island

Wind Update Wind reports 16 km away suggest it is still onshore at Cat Bay (Shelly Beach) (near gales from the N at Rhyll Automatic Weather Station). A 1.1m groundswell from the SW
46 minutes ago Cat Bay (Shelly Beach)

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16 km away, 46 min ago

52 km/h

0.0

13.2

Air / Water (°C)

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