Surf Forecasts:
Montoya surf forecast from 14 Sep 2026:
- Best quality surf: Monday 14 Sep, 9AM (local time) - 2.5ft (0.7m), 10s period, S swell with offshore winds.
- Most powerful swell: Wednesday 16 Sep, 6PM (local time) - 4.5ft (1.3m), 10s period, SSE swell with 289 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 9AM (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 9AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.8m and 7s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Montoya in the next 16 days are 1.3m 10s and forecast to arrive on Wednesday (Sep 16) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 8s period and expected on Monday (Sep 21) at 3AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Mon 14th Sep) | 2.5ft (0.7m) 10s |
| Best Surf | 9AM (Mon 14th Sep) | 2.5ft (0.7m) 10s |
| Most Powerful | 6PM (Wed 16th Sep) | 4.5ft (1.3m) 10s |
Table - best surf conditions forecast for Montoya over the next 16 days.
The Lowdown
Alright, Rusty here, and I'll tell you straight up, it's a pretty quiet picture at Montoya for the next couple of weeks. The ocean's got a bit of a pulse, but the wind is just not playing ball, leaving most days looking pretty ordinary.
The overall pattern is mostly small, weak swell with persistent onshore or cross-shore winds. The water is sitting at 54.5°F, which is running about 2.2°F warmer than usual for this time of year at Montoya – a touch warmer than normal, so you can leave the thick wetsuit at home for a bit.
For the first real highlight, you've got to look at Monday the 14th. It's a short window, but it's the best you'll see. Monday morning, there's a clean 2.3ft S swell, with a period of 10 seconds, generating moderate wave energy (167). The wind is a light offshore from the NNW. Then Monday afternoon, the wind drops to glassy, dead calm, keeping those same 2.3ft waves clean. It's a beach and point setup, so it handles this south swell well. The consistency is fairly consistent, but crowds can show up sometimes. This is the one to paddle out for if you can get a pass.
The next few days after that are a write-off. Tuesday the 15th and Wednesday the 16th see the swell drop right off, and strong cross-shore and onshore winds mess everything up.
Looking further out, there’s a little bump in the swell around Monday the 21st, with a 3.3ft E swell and moderate energy (159), but it's saddled with cross-onshore winds, so the quality won't be there.
Then, into the last week, the forecast gets a bit more promising but less certain. On Wednesday the 24th, the stars almost align. Thursday morning has a 2.0ft E swell with a 9-second period, but the wind is a clean offshore from the NW, making for clean conditions at the point. Wave energy is weak (73), but it's rideable and clean. This could be a sneaky session.
Aside from that Monday the 14th glass-off and that Thursday morning offshore the 24th, there are long gaps of several days at a time where there are no real recommendations. Most of these days are just blown out or have tiny surf. For a spot with this kind of consistency, it's a flat spell that can feel frustrating, but the forecasts can change.
Stay patient, get on that Monday glass-off, and we'll see what shakes out.
Short Range ForecastMostly dry. Very mild (max 13°C on Tue morning, min 7°C on Tue night). Winds increasing (calm on Mon afternoon, fresh winds from the SSW by Tue afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sat afternoon, min 9°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 10 | S 9 | ESE 8 | ESE 7 | S 6 | S 9 | S 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 13 | S 12 | ENE 5 | ENE 5 | S 9 | S 9 | S 10 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 98 | 94 | 63 | 19 | 11 | 166 | 230 | 267 | 242 | 146 | 116 | 59 | 25 | 16 | 13 | 25 | 66 | 7 | 6 | 7 | 9 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | off | cross-off | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-on | cross-off | cross | cross-on | cross | cross | cross | cross | cross | cross-off | cross |
High Tide | 9:41AM0.34m | 10:31PM0.24m | 3:17AM0.19m | 11:16PM0.22m | 4:11AM0.19m | 00:02AM0.20m | 5:02AM0.19m | 00:52AM0.19m | 5:52AM0.19m | 12:31PM0.30m | 1:52AM0.18m | 6:39AM0.19m | 1:15PM0.28m | 7:21AM0.19m | 2:05PM0.27m | ||||||
Low Tide | 6:04PM0.01m | 6:10AM0.15m | 6:51PM0.02m | 6:50AM0.16m | 7:37PM0.03m | 7:27AM0.17m | 8:22PM0.05m | 3:11AM0.17m | 9:07PM0.06m | 3:29AM0.17m | 9:55PM0.08m | 9:17AM0.19m | 10:45PM0.09m | ||||||||
 |  |  | | |  | | | | | | | | | |  | |  | | | | |
 | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — |
 | — | 6:29 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:31 | — | — | 6:32 | — | — | 6:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 12 | 10 | 13 | 10 | 8 | 9 | 10 | 9 | 15 | 17 | 16 | 16 | 17 | 16 | 18 | 19 | 16 | 19 | 20 | 16 |
Feels °C | 7 | 10 | 8 | 6 | 3 | 1 | 6 | 6 | 4 | 13 | 15 | 13 | 12 | 13 | 14 | 15 | 15 | 13 | 16 | 18 | 14 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | S 9 | ESE 8 | ESE 7 | E 7 | S 9 | S 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 8 | S 12 | S 11 | S 10 | S 9 | S 9 | S 10 | S 11 |
| kJ | 69 | 52 | 63 | 19 | 11 | 9 | 230 | 267 | 242 | 146 | 116 | 59 | 25 | 12 | 11 | 9 | 8 | 7 | 6 | 7 | 9 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | E 7 | S 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 4 | ESE 8 | SE 8 | S 8 | E 9 | — | S 7 | S 11 | — | — |
| kJ | 98 | 94 | 39 | 14 | 6 | 6 | 5 | 5 | 1 | 1 | 1 | 6 | 6 | 10 | 5 | 7 | — | 1 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | — | ENE 8 | E 10 | ENE 7 | ENE 6 | ENE 6 | — | — | — | E 12 | E 12 | E 8 | S 13 | SSE 13 | SE 8 | SE 8 | — | — | E 12 | — | — |
| kJ | — | 7 | 2 | 11 | 4 | 4 | — | — | — | 3 | 3 | 1 | 3 | 16 | 2 | 2 | — | — | 3 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 4 | SW 5 | S 6 | — | — | NE 4 | NNE 3 | ENE 4 | NE 4 | ENE 4 | E 3 | ENE 4 | ENE 5 | ENE 5 | ENE 6 | ENE 7 | ENE 7 | ENE 6 |
| kJ | — | — | — | 22 | 74 | 166 | — | — | 8 | 4 | 1 | 7 | 1 | 4 | 13 | 25 | 66 | 127 | 118 | 125 | 101 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 68 | 396 | 248 | 282 | 14 | 1 | 0 | 1 | 0 | 20 | 109 | 109 | 931 | 931 | 931 | 944 | 431 | 61 |
Best forecast wave conditions in Uruguay - South | |||||||||||||||||||||
Best forecast wave conditions in Uruguay | |||||||||||||||||||||
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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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