Playa Mariano (Mar del Plata) Surf Forecast

/ Buenos Aires (44 surf breaks) /

Argentina (51 surf breaks)

Surf Forecasts:

Playa Mariano (Mar del Plata) surf break

Playa Mariano (Mar del Plata) surfForecast / Buenos Aires / Argentina

12 Day Weather and Surf, issued 2 am Thursday 18 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

Playa Mariano (Mar del Plata) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Playa Mariano (Mar del Plata) sea temperature is 12.3° C
(Which is 3.5°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Playa Mariano (Mar del Plata) this week:

The surf forecast for Playa Mariano (Mar del Plata) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 19) at 12AM. The primary swell is predicted to be 0.4m and 11s period with a secondary swell of 0.5m and 8s. Another secondary swell of 0.9m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Playa Mariano (Mar del Plata) in the next 12 days are 3.5m 9s and forecast to arrive on Sunday (Sep 21) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Thursday (Sep 25) at 12AM.

Wave Type	Time (-03) & Date	Wave Height & Period
Next good surf (1 star+)	12AM (Fri 19th Sep)	3ft (0.9m) 5s
Best Surf	6AM (Mon 22nd Sep)	7ft (2.1m) 10s
Most Powerful	9AM (Sun 21st Sep)	11ft (3.5m) 9s

Table - best surf conditions forecast for Playa Mariano (Mar del Plata) over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Heavy rain (total 51mm), heaviest during Sat afternoon. Very mild (max 18°C on Fri afternoon, min 8°C on Fri night). Winds increasing (light winds from the SSE on Fri afternoon, strong winds from the SSW by Sat night).									Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Sun morning. Very mild (max 12°C on Mon afternoon, min 7°C on Sun night). Mainly strong winds.
	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	0	0	1	1	0	0	0	0	0	0	1	3	3	1	0	0	0	2	1	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	ENE	ENE	ENE	ENE	E	ENE	SSE	S	SSE	SSE	SSE	SE	S	SSE	S	S	S	S	S
Period(s) (?)	12	12	5	7	7	8	8	9	7	9	10	10	10	10	7	9	9	10	10	12	12
Wave Graph (?)
kJ (?)	125	125	47	72	62	96	176	121	450	1961	913	1086	794	400	453	355	549	738	535	488	383
Wind (km/h)	NE	NE	NNE	NW	SSE	SE	ESE	E	SE	SSW	SSW	WSW	WSW	SW	SSW	SW	S	NE	NNE	NE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- off	off	cross- on	on	cross- on	cross- on	on	cross	cross	cross- off	cross- off	cross	cross	cross	cross- on	cross	cross- off	cross	cross- off
High Tide / height (m)		4:18PM 1.57		5:41AM 0.92	5:20PM 1.58		6:28AM 0.95		6:16PM 1.57	7:09AM 1.00		7:07PM 1.55	7:48AM 1.06		7:54PM 1.50	8:24AM 1.12		8:38PM 1.43	8:59AM 1.17		9:20PM 1.35
Low Tide / height (m)	9:50AM 0.78		12:28AM 0.24	11:26AM 0.74		1:23AM 0.25		12:35PM 0.68	2:10AM 0.27		1:30PM 0.61	2:50AM 0.32		2:17PM 0.56		3:24AM 0.38	2:59PM 0.51		3:53AM 0.45	3:39PM 0.48

	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
Sunrise	6:46	-	-	6:45	-	-	6:43	-	-	6:41	-	-	6:39	-	-	6:37	-	-	6:37	-	-
Sunset	-	6:42	-	-	6:43	-	-	6:44	-	-	6:45	-	-	6:45	-	-	6:46	-	-	6:47	-

Rain (mm)	-	-	-	1	-	-	5	23	22	1	1	-	-	1	-	-	-	-	-	-	-
Temp. °C	13	15	14	16	18	12	9	11	11	10	10	9	11	12	9	9	9	8	10	13	11
Feels °C (?)	10	11	11	15	18	10	6	8	5	3	3	4	8	7	1	2	4	4	3	6	4

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 Buenos Aires

Wind Update The wind is still cross-on at Playa Mariano (Mar del Plata) (light winds from the E at Mar Del Plata AR Airport 19 km from Playa Mariano (Mar del Plata)). 1.0m 5s windswell from the ESE with a 0.8m 12s groundswell, also from the ESE and a 0.4m 7s swell, also from the ENE. 3 swells combining to make bigger set waves.
1 hour 58 minutes ago Playa Mariano (Mar del Plata)

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19 km away, 1 h 58 min ago

15 km/h

0.0

12.3

Air / Water (°C)

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Playa Mariano (Mar del Plata) 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 Playa Mariano (Mar del Plata) Surf forecast

The above surf forecast table for Playa Mariano (Mar del Plata) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Playa Mariano (Mar del Plata) can be found by selecting the local surf guide option on the grey menu. Our Playa Mariano (Mar del Plata) 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 (Playa Mariano (Mar del Plata)) 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 Playa Mariano (Mar del Plata) 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.

Are you planning a holiday in Provincia de Buenos Aires? If you are looking for accommodation near Playa Mariano (Mar del Plata), camping, hotels and holiday cottages in Provincia de Buenos Aires, consider staying in Mar del Plata which is 10 km (6 miles) away.