Marengo 48 hour detailed Surf Forecast

Lat Long: 38.78° S 143.67° E

Issued: 3 am 20 Jul 2026 (local time)

Forecast update in hr min

Today's Marengo sea temperature is

14.6° C

Marengo 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 Marengo today (20 Jul):

Morning surf: Morning surf (20 Jul, local time) - 2.5ft (0.8m), 16s period with WSW swell.
Afternoon surf: Afternoon surf (20 Jul, local time) - 2.5ft (0.7m), 15s period with SW swell.
Evening surf: Evening surf (20 Jul, local time) - 2.5ft (0.7m), 15s period with SW swell.

The current surf forecast for Marengo at 8AM is: 0.9m 16s primary swell from a Southwest direction and 0.4m 10s secondary swell from a South-southwest direction (forecast issued at 03:00am July 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (AEST) & Date	Wave Height	Wave Period
Morning (20 Jul)	2.5ft (0.8m)	16s
Afternoon (20 Jul)	2.5ft (0.7m)	15s
Evening (20 Jul)	2.5ft (0.7m)	15s

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

	Short Range Forecast Light rain (total 7mm), mostly falling on Wed morning. Very mild (max 14°C on Mon afternoon, min 8°C on Wed night). Wind will be generally light.
	Monday 20								Tuesday 21								Wednesday 22
	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)	2	2	2	2	2	1	1	1	2	2	2	2	2	2	1	1	1	0	0	1	2	3	5	5
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 18	SW 16	SW 16	WSW 16	SW 16	SW 15	SW 15	SW 15	SW 15	SW 15	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 14	SW 12	SW 12	SW 12	SW 12	SW 11	SW 12	SW 12
Wave Graph
kJ	150	211	376	326	245	220	217	217	318	496	597	532	406	400	394	316	149	248	175	212	341	1172	3599	3779
Wind (km/h)	NW	NW	NNW	NNW	NW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NW	NW	NW	WNW	NW	W	WSW	WSW	WSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-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	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	cross-off	off	off
High Tide			4:06AM2.24m				4:48PM1.99m				4:40AM2.10m				5:40PM1.96m				5:12AM1.95m				6:35PM1.90m
Low Tide					10:31AM0.31m				10:37PM0.65m				11:09AM0.27m				11:22PM0.82m				11:48AM0.28m


	—	—	7:37	—	—	—	—	—	—	—	7:37	—	—	—	—	—	—	—	7:35	—	—	—	—	—
	—	—	—	—	—	5:24	—	—	—	—	—	—	—	5:25	—	—	—	—	—	—	—	5:27	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4	1	1	—
Temp °C	11	9	8	10	13	14	11	11	11	11	11	12	14	14	13	12	12	11	11	12	11	10	10	10
Feels °C	7	4	4	6	9	11	8	8	8	8	8	9	11	11	9	7	7	6	6	7	6	5	5	5
Swell 1 Height (m) Direction Period (s)	S 10	SW 16	SW 16	WSW 16	SW 16	SW 15	SW 15	SW 15	SW 15	SW 15	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	WSW 12	SW 12	SW 12	SW 12	SW 12	SW 12	SW 12	SW 12
kJ	80	211	376	326	245	220	217	217	318	496	597	532	406	400	394	316	127	248	175	212	341	672	833	1281
Swell 2 Height (m) Direction Period (s)	SW 18	S 10	S 10	SSW 10	SSW 10	SSW 10	SSW 10	SSW 10	SSW 10	SSW 10	SSW 10	E 11	S 10	E 11	E 11	E 11	SW 14	SW 15	WSW 8	SW 15	E 10	E 10	E 10	—
kJ	150	52	50	33	19	19	19	19	10	9	9	2	7	2	2	2	149	8	23	55	2	2	2	—
Swell 3 Height (m) Direction Period (s)	WSW 12	WSW 12	—	E 12	S 13	E 11	E 11	E 11	E 11	E 11	E 11	—	E 11	—	E 11	E 11	E 11	E 10	SW 15	E 10	—	—	—	—
kJ	57	59	—	3	3	2	2	2	2	2	2	—	2	—	9	2	2	2	35	2	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	NNW 2	—	NNW 2	NW 2	NNW 2	SW 11	SW 12	SW 12
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	1	1	1	1172	3599	3779
Nearest Offshore or Glassy	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway	Boneyards VIC - Cape Otway	Kennet Rivermouth/Point VIC - Cape Otway	Kennet Rivermouth/Point VIC - Cape Otway	Kennet Rivermouth/Point VIC - Cape Otway	Kennet Rivermouth/Point VIC - Cape Otway	Kennet Rivermouth/Point VIC - Cape Otway	Marengo VIC - Cape Otway	Lorne Point VIC - Cape Otway	Marengo VIC - Cape Otway	Marengo VIC - Cape Otway
Rating (10 max)	2	2	2	2	2	1	1	1	2	2	2	2	2	2	2	2	2	1	1	2	2	3	5	5
Distance (km)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	20	21	21	21	21	21	0	38	0	0
Best forecast wave conditions in Cape Otway	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	Cathedral Rock	St George River	Wye River	Cumberland River	Cumberland River	St George River	Lorne Point	Apollo Bay	Lorne Point	Apollo Bay	Apollo Bay
Rating (10 max)	2	2	3	3	2	2	2	2	2	3	3	3	3	3	3	3	2	2	2	2	2	3	5	5
Best forecast wave conditions in Australia	Luna Park VIC - Far West	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Snapper Rocks QLD - Gold Coast	Snapper Rocks QLD - Gold Coast	Luna Park VIC - Far West	Luna Park VIC - Far West	Noosa - Tea Tree Bay QLD - Sunshine Coast	Easter Reef VIC - Far West	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	Conto Springs WA - Margaret River	Surfers Point WA - Margaret River
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	5	5	7	6	6	5
Header Global	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Ning Nong Point and Reef New Zealand	Ning Nong Point and Reef New Zealand	Last Chance New Zealand	Seconds (White Rock) New Zealand	Diners Beach New Zealand	Asu Indonesia	Papatowai New Zealand	Asu Indonesia	Aganoa Beach Samoa	Aganoa Beach Samoa	Bruces Beauties South Africa	Van Stadens Mouth South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Injidup Carpark Australia	Bancoora Australia
Rating (10 max)	7	7	6	5	5	7	6	5	5	5	5	4	5	4	4	4	4	5	5	5	7	6	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)

Latest Updates

Ben Mondy

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Marengo 48 hour detailed Surf Forecast

How big are the waves at Marengo today (20 Jul):

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