Marion Bay 48 hour detailed Surf Forecast

Lat Long: 42.80° S 147.87° E

Issued: 3 am 14 Sep 2026 (local time)

Forecast update in hr min

Today's Marion Bay sea temperature is

12.9°C

Marion Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Marion Bay today (14 Sep):

Morning surf: Morning surf (14 Sep, local time) - 1.5ft (0.5m), 6s period with NE swell.
Afternoon surf: Afternoon surf (14 Sep, local time) - 2ft (0.6m), 6s period with NE swell.
Evening surf: Evening surf (14 Sep, local time) - 2ft (0.6m), 7s period with NE swell.

The current surf forecast for Marion Bay at 7AM is: 0.2m 14s primary swell from a South direction and 0.5m 6s secondary swell from a Northeast direction (forecast issued at 03:00am September 14). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AEST) & Date	Wave Height	Wave Period
Morning (14 Sep)	1.5ft (0.5m)	6s
Afternoon (14 Sep)	2ft (0.6m)	6s
Evening (14 Sep)	2ft (0.6m)	7s

Table - waves today at Marion Bay. (Swell directed towards the surf break)

	Short Range Forecast Light rain (total 6mm), mostly falling on Tue morning. Warm (max 21°C on Mon morning, min 6°C on Tue afternoon). Mainly fresh winds.
	Monday 14								Tuesday 15								Wednesday 16
	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	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM
Rating (10 max)	0	0	0	0	1	1	1	1	1	0	1	0	0	0	0	0	0	0	1	1	1	1	!	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	S 15	S 14	NE 6	NE 6	NE 6	NE 6	NE 6	NE 7	NE 7	S 13	S 14	S 14	S 14	S 14	S 15	S 15	S 15	S 15	S 7	S 8	S 9	S 9	S 9	SSE 15
Wave Graph
kJ	38	16	16	15	28	39	34	35	31	56	101	104	150	104	109	165	168	224	302	354	389	308	794	304
Wind (km/h)	N	N	N	NW	W	W	WNW	W	W	W	W	W	WSW	SW	SW	WSW	WSW	SW	SW	SW	SW	SW	WSW	W
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	off	off	off	off	off	cross-off	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off
High Tide					10:10AM0.96m				10:53PM0.82m				10:48AM0.97m				11:50PM0.77m				11:28AM0.97m
Low Tide		3:56AM0.36m					4:42PM0.28m				4:31AM0.42m				5:37PM0.28m				5:07AM0.47m				6:31PM0.28m


	—	6:13	—	—	—	—	—	—	—	6:11	—	—	—	—	—	—	—	6:09	—	—	—	—	—	—
	—	—	—	—	—	5:54	—	—	—	—	—	—	—	5:55	—	—	—	—	—	—	—	5:57	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	1	1	1	1	—	1	1	—	—	—	—	—
Temp °C	17	14	13	19	21	17	15	14	10	9	8	9	10	9	6	6	6	6	6	8	10	12	9	8
Feels °C	13	11	10	16	17	12	10	9	4	2	2	2	3	1	-1	-1	-2	-2	-1	1	2	5	4	3
Swell 1 Height (m) Direction Period (s)	S 15	NE 5	NE 6	NE 6	NE 6	NE 6	NE 6	NE 7	NE 7	NE 7	S 14	S 14	S 14	S 14	S 15	S 15	S 15	S 15	S 15	SSE 15	SSE 15	SSE 15	S 9	S 9
kJ	38	14	15	15	28	39	34	35	31	25	101	104	150	104	109	165	168	224	291	304	304	308	210	151
Swell 2 Height (m) Direction Period (s)	S 9	S 14	S 14	S 14	E 14	E 14	E 14	E 13	S 13	S 13	NE 8	NE 8	NE 8	NE 8	NE 8	NNE 8	NNE 8	NNE 9	NE 9	NE 9	E 12	NE 12	SSE 15	SSE 15
kJ	6	16	16	15	15	15	14	14	13	56	20	15	15	9	9	6	6	8	3	3	3	6	308	304
Swell 3 Height (m) Direction Period (s)	E 14	S 9	S 8	E 14	S 14	S 14	S 14	S 13	E 13	E 13	E 13	E 13	E 13	E 13	E 13	E 13	E 12	E 12	E 12	E 12	NE 9	NE 12	NE 12	NE 12
kJ	15	6	6	15	15	15	4	3	14	14	14	14	14	13	3	3	3	3	3	3	3	6	6	6
Wind waves Height (m) Direction Period (s)	NNE 5	NNW 2	NNW 2	NNW 2	—	—	WSW 3	W 3	WSW 3	WSW 3	WSW 3	WSW 4	SW 4	SW 4	SW 5	SW 5	SSW 5	SSW 6	S 7	S 8	S 9	S 9	S 9	—
kJ	22	1	1	1	—	—	1	1	5	10	9	14	17	35	56	62	97	180	302	354	389	292	794	—
Nearest Offshore or Glassy	Carlton Rivermouth TAS - East Coast	Carlton Rivermouth TAS - East Coast	Carlton Rivermouth TAS - East Coast	Eaglehawk Neck Beach TAS - East Coast	Marion Bay TAS - East Coast	Marion Bay TAS - East Coast	Marion Bay TAS - East Coast	Marion Bay TAS - East Coast	Marion Bay TAS - East Coast	Buxton Point TAS - East Coast	Marion Bay TAS - East Coast	Seven Mile Beach and Point TAS - East Coast	Zenith Beach NSW - Newcastle	Stokes Bay SA - Kangaroo Island	Blackfellows Point NSW - Far South	Seven Mile Beach and Point TAS - East Coast	Narooma Breakwall NSW - Far South	Shelly Point TAS - East Coast	Shelly Point TAS - East Coast	Tam O'Shanter TAS - North Coast	Sealers Cove (Wilsons Promontory) VIC - East Coast	Sealers Cove (Wilsons Promontory) VIC - East Coast	Shelly Point TAS - East Coast	Marion Bay TAS - East Coast
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	4	3	3	2	1	1	1	1	1	3	2
Distance (km)	21	21	21	25	0	0	0	0	0	61	0	31	1182	1217	770	31	757	25	25	211	437	437	25	0
Best forecast wave conditions in East Coast of Tasmania	Tessellated Pavements	Shipstern Bluff	Shipstern Bluff	Shipstern Bluff	Bruny Island - Jawbones	Governors Island	Bruny Island - Cloudy Bay	Marion Bay	Marion Bay	Buxton Point	Buxton Point	Seven Mile Beach and Point				Seven Mile Beach and Point		Swansea Point	May's Point				Buxton Point	Swansea Point
Rating (10 max)	1	2	2	2	2	1	1	1	1	1	1	1				3		2	3				4	2
Best forecast wave conditions in Australia	Cyclops WA - Far South	Surfers Point WA - Margaret River	Boneyard NSW - Illawarra	The Farm NSW - Illawarra	Injidup Carpark WA - Margaret River	Surfers Point WA - Margaret River	Conto Springs WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	The Guillotine WA - Margaret River	Gas Bay WA - Margaret River	Supertubes WA - Margaret River	Supertubes WA - Margaret River	Pink Rocks NSW - Far South
Rating (10 max)	4	6	2	2	5	6	6	6	6	5	5	5	5	5	5	5	4	4	4	4	4	4	4	5
Header Global	Ouano Lefts New Caledonia	Gas Bay Australia	Ouano Lefts New Caledonia	Fish Boma South Africa	Injidup Carpark Australia	Cobblestones Australia	Cloudbreak Fiji	Gas Bay Australia	Gas Bay Australia	Glen Eden South Africa	Hole-in-the-Wall South Africa	Cow Bombie Australia	Cobblestones Australia	Cobblestones Australia	Cow Bombie Australia	Cow Bombie Australia	Saint Leu Reunion	Etang-Sale Reunion	Saint Leu Reunion	Etang-Sale Reunion	Antiques Maldives	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion
Rating (10 max)	5	6	6	5	5	6	5	6	6	8	7	5	5	5	5	5	5	8	6	6	4	5	5	5

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

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Marion Bay 48 hour detailed Surf Forecast

How big are the waves at Marion Bay today (14 Sep):

Short Range Forecast

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FREE! Surf-Forecast.com widget for your website