Surf Forecasts:
Montoya surf forecast from 4 Sep 2026:
- Best quality surf: Monday 7 Sep, 12AM (local time) - 5ft (1.5m), 9s period, SSE swell with glassy winds.
- Most powerful swell: Sunday 6 Sep, 9AM (local time) - 8ft (2.5m), 9s period, S swell with 986 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 9PM (local time) - 3.5ft (1.0m), 8s 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 Friday (Sep 04) at 9PM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.3m and 10s. 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 2.5m 9s and forecast to arrive on Sunday (Sep 06) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Friday (Sep 11) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 4th Sep) | 3.5ft (1.0m) 8s |
| Best Surf | 12AM (Mon 7th Sep) | 5ft (1.5m) 9s |
| Most Powerful | 9AM (Sun 6th Sep) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Montoya over the next 16 days.
The Lowdown
Alright, let's talk about Montoya. The whole 16-day window starts off pretty bleak, with a solid gap of about 10 days with no real surf to recommend. The first few days are a total write-off, with strong cross and onshore winds and messy, poor conditions.
The water is running a bit warmer than usual for the season, sitting at about 56°F.
The standout session is going to be Monday, September 16th, in the morning. Montoya will have a clean wave of about 3ft from the south, with a very long period of 15 seconds. That's real groundswell, and with light offshore winds from the north-northeast, it's going to be glassy. The combined wave energy is moderate (481). This is the pick of the entire forecast. The long period will give it some punch and shape, but at a beach-and-point break, it might offer up some long walls.
The other session worth a look is Tuesday, September 15th, in the morning. It's smaller, with a 3ft wave from the south-southeast, but the period is still long at 11 seconds, and the wind is light and offshore from the north-northeast. It'll be clean, with a moderate combined energy of 266. It's a marginal call, but for a quiet, clean session, it's your backup.
Later on, there's a 7ft pulse on the 13th and 14th, but the wind is screaming from the south-west, turning it into a lumpy, cross-shore mess. That's more for the kiteboarders than us.
So, the first week is a dud, but the 16th is the big one. The 15th is a solid second choice. Get out there on the 16th.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Sat afternoon. Very mild (max 11°C on Fri afternoon, min 6°C on Sun night). Winds decreasing (fresh winds from the SW on Sat afternoon, calm by Sun night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Tue afternoon, min 6°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||
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) | SSW 6 | SSW 7 | SSW 8 | SSW 5 | SSW 6 | S 7 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SE 9 | S 9 | S 8 | SE 8 | S 12 | S 12 | S 14 | E 4 | E 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 85 | 164 | 75 | 72 | 232 | 521 | 986 | 599 | 351 | 232 | 211 | 118 | 71 | 63 | 34 | 10 | 11 | 11 | 15 | 38 | 91 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | cross | cross | cross-on | cross-on | cross-on | glassy | cross-off | cross-on | cross | cross | glassy | glassy | cross-off | cross | cross-off | cross | cross-on | cross |
High Tide | 12:40PM0.37m | 1:39AM0.18m | 7:32AM0.18m | 1:39PM0.37m | 2:40AM0.18m | 8:26AM0.17m | 2:46PM0.36m | 3:45AM0.19m | 3:58PM0.34m | 4:47AM0.20m | 5:10PM0.33m | 5:43AM0.23m | 6:16PM0.32m | 6:35AM0.26m | 7:15PM0.31m | ||||||
Low Tide | 9:25PM0.01m | 4:22AM0.14m | 10:24PM0.02m | 5:26AM0.14m | 11:26PM0.04m | 6:48AM0.14m | 00:29AM0.05m | 8:32AM0.15m | 12:15PM0.13m | 1:29AM0.07m | 1:29PM0.09m | 2:25AM0.08m | 2:35PM0.06m | ||||||||
 | |  |  |  |  |  | | | | |  | | | | | |  | | | | |
 | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:46 | — | — |
 | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:23 | — | — | 6:24 | — | — | 6:24 | — | — | 6:25 | — |
mm | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 11 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 9 | 11 | 10 | 12 | 15 | 13 | 14 | 15 | 14 | 16 | 16 | 13 |
Feels °C | 4 | 5 | 6 | 3 | 1 | 0 | 0 | 1 | 4 | 6 | 6 | 5 | 9 | 14 | 12 | 12 | 13 | 12 | 11 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | SSW 8 | ESE 11 | E 10 | E 9 | E 9 | E 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SE 9 | E 5 | E 5 | ENE 6 | ENE 7 | E 7 | S 14 | S 13 | S 9 |
| kJ | 35 | 20 | 75 | 11 | 8 | 2 | 2 | 2 | 351 | 232 | 211 | 118 | 71 | 19 | 13 | 14 | 17 | 27 | 15 | 13 | 2 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | S 14 | ESE 10 | E 9 | NE 9 | — | — | — | SE 12 | E 9 | E 8 | SSW 8 | S 8 | S 9 | S 8 | SE 8 | S 12 | S 12 | S 7 | S 9 | S 12 |
| kJ | 7 | 4 | 10 | 2 | 3 | — | — | — | 6 | 1 | 1 | 22 | 51 | 63 | 34 | 10 | 11 | 11 | 1 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | — | S 14 | E 9 | SE 8 | SE 8 | — | — | — | E 9 | — | — | E 8 | E 8 | SE 8 | SE 8 | S 11 | SSE 8 | SE 8 | SE 7 | — | E 14 |
| kJ | — | 4 | 2 | 2 | 3 | — | — | — | 1 | — | — | 1 | 1 | 35 | 18 | 10 | 6 | 2 | 2 | — | 4 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 7 | WNW 3 | SSW 5 | SSW 6 | S 7 | S 9 | SSE 9 | — | — | — | ENE 4 | E 5 | ENE 5 | — | — | — | — | E 8 | E 4 | E 6 |
| kJ | 85 | 164 | 3 | 72 | 232 | 521 | 986 | 599 | — | — | — | 17 | 15 | 27 | — | — | — | — | 33 | 38 | 91 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 236 | 248 | 0 | 166 | 680 | 723 | 248 | 534 | 0 | 0 | 14 | 1 | 1 | 0 | 0 | 73 | 902 | 73 | 282 | 405 | 914 |
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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