Montoya Surf Break

Lat Long: 34.91° S 54.82° W

Montoya Surf Forecast and Surf Report

Issued: 2 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Montoya sea temperature is
12.6°C
1.3° 

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


Montoya surf forecast from 11 Sep 2026:

  • Best quality surf: Monday 14 Sep, 12PM (local time) - 2.5ft (0.7m), 10s period, S swell with cross-offshore winds.
  • Most powerful swell: Sunday 13 Sep, 6AM (local time) - 7ft (2.2m), 7s period, SSE swell with 526 kJ wave energy.
  • Next surfable swell (1★+): Monday 14 Sep, 12PM (local time) - 2.5ft (0.7m), 10s period with S swell.

Best Forecast Surf Conditions for Montoya this week:

The surf forecast for Montoya over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 14) at 12PM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.7m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Montoya in the next 16 days are 2.2m 7s and forecast to arrive on Sunday (Sep 13) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Friday (Sep 18) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12PM (Mon 14th Sep)2.5ft (0.7m) 10s
Best Surf12PM (Mon 14th Sep)2.5ft (0.7m) 10s
Most Powerful 6AM (Sun 13th Sep)7ft (2.2m) 7s

Table - best surf conditions forecast for Montoya over the next 16 days.


The Lowdown

Alright folks, Rusty here, breaking down the Montoya forecast for the next couple of weeks.

To be honest, it’s a slow start. You’re looking at a solid week of tiny, messy surf before anything really gets going. From now through the 14th, it’s pretty flat and not worth paddling out. Water temp is around 55°F, which is about 2°F warmer than normal for the season – so not freezing, but still a wetsuit day.

Monday the 14th brings the first real pulse of energy – a small 0.7m S swell with a 10-second period. Combined energy is weak at 171, but the wind is a light cross-shore (NE at 9 mph). It’s clean enough for a few small ones. Tuesday the 15th is cleaner with a WNW cross-offshore wind at 12 mph, but the swell drops to just 0.6m. You’re really hunting for anything.

The first proper standout is Thursday the 17th. Clean morning, NNE cross-offshore wind at 16 mph, with a 1.0m SSE swell and 10-second period. Combined energy is 217 – still moderate, but the conditions are primo. For Montoya, that’s the pick of the first week.

Sunday the 20th also shows some promise. Swell is 0.9m from the SSE, period 9 seconds, but the combined energy is 201. Gentle cross-shore wind from the ENE at 9 mph, so the surface is clean. Just small.

Now, the real action is in the second week. Hold out until Thursday the 24th. Thursday afternoon brings a 1.9m SSW swell with a 6-second period. Combined energy is 254, and the wind is clean from the W at 9 mph cross-offshore. That’s a fun, clean afternoon. But Friday the 25th morning is the big one – a 2.2m S swell, period 10 seconds, with combined energy hitting 999. That’s strong. The wind is a gentle cross-onshore from the S at 9 mph, a little bumpy, but at that size, Montoya will be a beast. That’s the standout. It’s big enough that only intermediates and experts should be in the water.

Then Saturday the 26th afternoon turns glassy. Wind goes dead calm (NW at 3 mph), swell is 1.1m SSE with a long 11-second period, and combined energy is 303. Perfect clean conditions. That’s your second standout – a gorgeous, glassy afternoon.

So, first week is a drought, but the second week (from the 24th) has two clear winners: Thursday the 24th afternoon and Saturday the 26th afternoon. Friday morning the 25th is the biggest, but a little bumpy.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 13°C on Fri afternoon, min 8°C on Sat night). Winds decreasing (fresh winds from the SSE on Sat morning, light winds from the NNE by Mon morning).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 15°C on Tue afternoon, min 8°C on Wed night). Wind will be generally light.

Fri
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
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
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
S
9
0.3
S
9
1.1
SSE
5
2.1
S
8
1.5
S
8
2.1
SSE
7
1.6
SE
8
0.9
S
10
0.7
S
10
0.6
S
10
0.6
S
9
0.6
E
7
0.5
E
7
0.3
E
7
0.9
S
5
0.9
SSE
6
1
S
9
1
SSE
10
0.9
SSE
10
0.8
SSE
9
Wave Graph
Metric surfscale
Energy kJ
15
14
54
487
302
444
305
154
98
71
64
39
25
8
42
56
176
205
135
94
Wind (km/h)
15
SE
20
S
30
SSE
35
S
15
S
25
SSE
20
SSE
15
E
15
NE
10
E
10
WNW
20
WNW
25
WSW
20
S
15
SE
15
ESE
20
NE
25
NNE
20
NE
20
NE
Wind State
on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross-on
off
cross-off
cross-off
cross-on
on
cross-on
cross
cross-off
cross
cross
High Tide
8:08PM0.29m
8:10AM0.32m
8:58PM0.28m
8:56AM0.34m
9:45PM0.26m
9:41AM0.34m
10:31PM0.24m
3:17AM0.19m
11:16PM0.22m
4:11AM0.19m
00:02AM0.20m
5:02AM0.19m
00:52AM0.19m
Low Tide
3:33PM0.03m
4:02AM0.11m
4:26PM0.01m
00:27AM0.20m
4:47AM0.12m
5:16PM0.01m
00:56AM0.19m
5:29AM0.14m
6:04PM0.01m
6:10AM0.15m
6:51PM0.02m
6:50AM0.16m
7:37PM0.03m
7:27AM0.17m
8:22PM0.05m
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:41
6:39
6:39
6:37
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:28
6:28
6:29
6:30
6:30
6:30
 mm
Temp °C
13
12
11
10
9
9
9
11
12
13
12
14
15
15
10
11
10
15
17
13
Feels °C
10
9
5
3
3
3
4
7
9
10
10
8
9
12
6
7
5
10
13
10
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Montoya Surf forecast

The above surf forecast table for Montoya provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Montoya can be found by selecting the local surf guide option on the grey menu. Our Montoya 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 (Montoya) 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 Montoya 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 Uruguay - South? If you are looking for accommodation near Montoya, camping, hotels and holiday cottages in Uruguay - South, consider staying in Maldonado which is 12 km (7 miles) away. Other places in and around Uruguay - South where you can find information about places to rent, and car hire include San Carlos which is 15 km (9 miles) away, Rocha, La Paloma and Minas.

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