Monte Hermoso Surf Forecast

/ Buenos Aires (44 surf breaks) /

Argentina (51 surf breaks)

Surf Forecasts:

Monte Hermoso surfForecast / Buenos Aires / Argentina

48hr Weather and Surf, issued 2 am Wednesday 17 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Monte Hermoso sea temperature is 11.8° C
(Which is normal for this time of year)

How big are the waves at Monte Hermoso today?

The current surf forecast for Monte Hermoso at 5AM is: 0.8m 13s primary swell from a Southeast direction and 0.6m 14s secondary swell from a Southeast direction (forecast issued at 02:00am September 17). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (-03) & Date	Wave Height	Wave Period
Morning (17 Sep)	3ft (0.9m)	13s
Afternoon (17 Sep)	4ft (1.2m)	5s
Evening (17 Sep)	5.5ft (1.7m)	6s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 17								Thursday 18								Friday 19
	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	0	0	0	1	0	0	0	0	0	0	0	0	0	1	1	0	1	1	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	SE	ESE	ESE	ESE	ESE	ESE	ESE	E	ESE	E	E	ESE	ESE	E	ESE	ESE	ESE	ESE	ESE	ESE	S	SSE	SE
Period(s) (?)	14	14	13	13	13	5	5	6	6	6	6	6	6	6	6	6	6	6	6	6	6	10	4	4
Wave Graph (?)
kJ (?)	170	149	225	295	362	61	143	215	200	182	146	109	55	53	91	32	35	35	26	28	20	45	14	46
Wind (km/h)	SSE	SSE	ESE	ESE	E	ESE	E	E	E	ENE	ENE	NE	NNE	N	NNE	NNE	NNE	WNW	NE	NW	SSW	SSE	SE	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	cross- on	cross- on	cross	cross	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	off	off	cross- off	off	cross- off	cross- off	glass	cross- on	on	cross- on	cross- on
High Tide / height (m)						12:51PM 2.07				1:51AM 1.60				1:50PM 1.99				2:55AM 1.58				2:52PM 1.92
Low Tide / height (m)				6:39AM 0.57				7:46PM 0.22				7:39AM 0.63				8:46PM 0.27				8:44AM 0.66

	Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	7:03	-	-	-	-	-	-	-	7:01	-	-	-	-	-	-	-	7:00	-	-	-	-
Sunset	-	-	-	-	-	-	6:55	-	-	-	-	-	-	-	6:57	-	-	-	-	-	-	-	6:58	-

Rain (mm)	-	-	1	1	1	1	-	-	-	-	-	-	-	-	-	-	-	2	11	2	-	-	-	-
Temp. °C	14	14	12	12	12	12	11	10	11	12	13	14	21	24	24	21	20	18	16	17	17	13	12	11
Feels °C (?)	11	12	10	9	8	6	3	3	6	8	10	11	18	20	22	18	16	17	16	19	17	10	8	7

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 Monte Hermoso (light winds from the SE at Comandante Espora Airport/Bahía Blanca 81 km from Monte Hermoso). 0.8m 14s groundswell from the ESE with a 0.4m 3s local chop from the S. 2 swells combining to make bigger set waves.
2 hours 9 minutes ago Monte Hermoso

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