Surf Forecasts:
Montoya surf forecast from 21 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 3AM (local time) - 4.5ft (1.4m), 12s period, SSE swell with cross-offshore winds.
- Most powerful swell: Sunday 23 Aug, 12PM (local time) - 10ft (3.0m), 15s period, S swell with 3,582 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 3AM (local time) - 4.5ft (1.4m), 12s period with SSE 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 Tuesday (Aug 25) at 3AM. The primary swell is predicted to be 1.4m and 12s period. 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 3.0m 15s and forecast to arrive on Sunday (Aug 23) at 12PM. 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 Saturday (Aug 22) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 25th Aug) | 4.5ft (1.4m) 12s |
| Best Surf | 3AM (Tue 25th Aug) | 4.5ft (1.4m) 12s |
| Most Powerful | 12PM (Sun 23rd Aug) | 10ft (3.0m) 15s |
Table - best surf conditions forecast for Montoya over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what Montoya's got cookin' for the next couple of weeks.
Right off the bat, it's a bit of a slow start. We've got a tiny 1ft east swell on Thursday afternoon, but with a light cross-onshore and a period of only 8 seconds, it's pretty poor. Honestly, you're not missing much.
The first real window of opportunity opens up Saturday morning, the 22nd of August. We're looking at a 6ft swell from the SSW, with a 10-second period. The wind is a clean cross-offshore, so the faces will be smooth. The combined energy is moderate (1235). It's a solid option, but we've got a better one coming.
The standout of the whole forecast has to be Monday morning, the 24th of August. The wind swings to a light onshore from the SE, but it's only 3 mph, and the swell is a nice 6ft from the SSE with a 13-second period (1009 energy). It's got that long period groundswell feel, which will make for proper, well-shaped lines at the point. The water temperature is sitting at 51°, which is pretty much average for this time of year on the anomaly.
For my money, the absolute best conditions we'll see are on Tuesday morning, the 25th of August. The swell drops to 4ft from the SSE, but the wind goes cross-offshore from the NNE at just 6 mph. The forecast says "expect very good surf conditions," and it's clean. The period is 11 seconds, so it's got some punch for its size. This is the one to point your board at.
After that, the quality fades. Wednesday the 26th has some clean, small waves in the morning, and Thursday the 27th is glassy but tiny at 3ft. We then hit a long, flat spell from the 28th through the 31st, with tiny, choppy waves and poor conditions. Not worth a paddle.
Looking into the first week of September, there's a pulse of energy. The 1st of September brings a 10ft swell from the SW, but it's a short-period 8 seconds and cross-onshore – that's going to be a washing machine. By Wednesday the 2nd, we get an 8ft swell from the S with an 11-second period, but the wind is cross-shore and the energy is very strong (2939). That's expert territory, and it'll be lumpy.
The final little whisper comes on Friday the 4th of September. The swell is down to 3ft from the S, but the wind is a clean cross-offshore from the west. It's a small, clean session for the longboard or a fun log.
The best bet overall is that Tuesday morning session on the 25th of August.
Rusty, signing off.
Short Range ForecastLight rain (total 7mm), mostly falling on Thu afternoon. Very mild (max 11°C on Thu afternoon, min 7°C on Thu night). Mainly strong winds. | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Wed morning, min 5°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
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) | E 8 | SSW 5 | S 8 | S 8 | S 9 | SSW 10 | S 11 | S 11 | S 13 | SSE 15 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 14 | SE 13 | SE 13 | SE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 12 | 128 | 491 | 520 | 606 | 678 | 599 | 632 | 1952 | 3074 | 1886 | 1009 | 820 | 603 | 416 | 353 | 710 | 509 | 444 | 331 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | on | cross | cross-off | cross-on | cross | cross-off | cross-off | cross-off |
High Tide | 2:50AM0.18m | 6:45AM0.19m | 2:12PM0.29m | 7:42AM0.19m | 3:08PM0.28m | 5:58AM0.18m | 4:07PM0.28m | 6:10AM0.18m | 5:03PM0.28m | 6:33AM0.19m | 5:56PM0.28m | 6:56AM0.20m | 6:44PM0.28m | |||||||
Low Tide | 9:47PM0.06m | 4:18AM0.18m | 10:38PM0.07m | 9:43AM0.18m | 11:32PM0.07m | 6:50AM0.18m | 00:27AM0.08m | 8:42AM0.18m | 1:21AM0.08m | 9:42AM0.17m | 2:10AM0.09m | 1:43PM0.16m | 2:54AM0.10m | |||||||
 |  |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — |
 | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:13 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — |
mm | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 8 | 9 | 9 | 8 | 9 | 10 | 8 | 8 | 7 | 6 | 6 | 6 | 9 | 11 | 9 | 15 | 17 | 14 |
Feels °C | 7 | 6 | -1 | 1 | 3 | 1 | 1 | 3 | 0 | 1 | 2 | 2 | 2 | 3 | 5 | 7 | 4 | 11 | 15 | 12 |
Swell 1 Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | S 10 | S 11 | S 11 | — | SSE 15 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 14 | SE 13 | SE 13 | SE 13 |
| kJ | 12 | 6 | 6 | 1 | 1 | 557 | 599 | 632 | — | 3074 | 1886 | 1009 | 820 | 603 | 416 | 353 | 710 | 509 | 444 | 331 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | E 5 | — | — | — | — | — | — | — | — | — | — | — | — | SE 15 | SE 15 | — | — | — | ENE 6 |
| kJ | 9 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 107 | 280 | — | — | — | 51 |
Swell 3 Height (m) Direction Period (s) | ESE 3 | SE 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSW 5 | S 8 | S 8 | S 9 | SSW 10 | WSW 5 | WSW 5 | S 13 | — | — | — | — | — | — | — | NE 4 | NE 4 | ENE 5 | ENE 6 |
| kJ | — | 128 | 491 | 520 | 606 | 678 | 103 | 37 | 1952 | — | — | — | — | — | — | — | 21 | 27 | 32 | 150 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 649 | 912 | 912 | 1034 | 156 | 68 | 153 | 22 | 248 | 534 | 73 | 61 | 156 | 1 | 0 | 109 | 1 | 1 | 0 | 0 |
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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