
Surf Forecasts:
La Bocana surf forecast from 10 Sep 2026:
- Best quality surf: Thursday 10 Sep, 3AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with offshore winds.
- Most powerful swell: Thursday 10 Sep, 3AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with 1,009 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 9PM (local time) - 3ft (0.9m), 17s period with SSW swell.
Best Forecast Surf Conditions for La Bocana this week:
The surf forecast for La Bocana over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 9PM. The primary swell is predicted to be 0.9m and 17s period with a secondary swell of 0.7m and 13s. Another secondary swell of 0.4m and 10s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at La Bocana in the next 16 days are 1.3m 17s and forecast to arrive on Thursday (Sep 10) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Sunday (Sep 13) at 12AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Wed 9th Sep) | 3ft (0.9m) 17s |
| Best Surf | 3AM (Thu 10th Sep) | 4.5ft (1.3m) 17s |
| Most Powerful | 3AM (Thu 10th Sep) | 4.5ft (1.3m) 17s |
Table - best surf conditions forecast for La Bocana over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for Rio Grande do Sul.
We’ve got a run of surf coming up at La Bocana, a river mouth that’s pretty inconsistent and best for beginners. The water temperature is sitting at 86.9°F with an anomaly of 2.5°F, so a touch warmer than normal for this time of year.
The real standout is Wednesday the 9th, first thing in the morning. It’s going to be crystal clear, the wind is absolutely dead calm, leaving the ocean glassy. We’ve got a clean 2.6ft SSW groundswell with a very long period of 16 seconds pumping in. The combined swell energy is moderate (476). This is a classic off-shore, clean-as-a-whistle start. After lunch, the wind swings onshore and the surf turns to slop. Don’t bother.
Thursday the 10th, same story. The morning is the time to be out. Glassy conditions again with a building 3.3ft SSW swell, period stretching out to 17 seconds. Wave energy is ramping up (963). It’ll be a bit more powerful but still clean. Afternoons turn rubbish with the cross-onshore breeze.
Friday the 11th morning is another clean, glassy session with 3.9ft SW swell and a 16-second period. The energy is still solid (786). Saturday and Sunday mornings offer smaller, clean waves in the 2.3ft to 3.3ft range, good for the longboard or a fun foamie.
There’s a bit of a lull mid-week, but pick it up again on Tuesday the 15th morning. It’s glassy again with a 2.3ft SSW groundswell that has a very long 18-second period, and the energy is up (623). Very clean.
Wednesday the 16th and Thursday the 17th mornings are both standouts for the second week. On Wednesday the 16th, we’ve got 4.3ft SSW swell, 16-second period, dead calm wind, and wave energy at 989. Thursday the 17th is similar with 3.9ft SSW and 14-second periods. Both mornings are glassy perfection.
Later on, around Saturday the 19th afternoon, we get a short-period 4.3ft S swell with an 8-second period. It’s glassy, but the period is short and punchy – it’ll be crumbly and a bit fat on the banks. On Wednesday the 23rd afternoon, we see a 6.2ft WSW swell with a very short 7-second period and glassy wind. That size is pushing into expert territory at a river mouth, and the short period means it’ll be a bit of a washing machine, but if you’re skilled and looking for a challenge, it’s there.
Overall, the mornings are the golden ticket here. The afternoons consistently get ruined by the SW cross-onshore breeze. Stick to the early sessions for the best of it.
Short Range ForecastMostly dry. Warm (max 32°C on Thu morning, min 26°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 20mm), heaviest during Sun night. Warm (max 31°C on Sun morning, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||
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) | SW 16 | SSW 17 | SSW 17 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 19 | SE 7 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SW 16 |
Wave Graph | ||||||||||||||||||||
258 | 807 | 629 | 739 | 739 | 729 | 600 | 407 | 407 | 301 | 186 | 178 | 178 | 251 | 86 | 204 | 399 | 276 | 807 | 595 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | glassy | cross-on | glassy | glassy | cross-on | glassy | cross-on | cross-on | off | glassy | glassy | off | glassy | cross-on | cross-off | glassy | cross | off |
High Tide | 1:33AM1.98m | 1:54PM2.04m | 2:23AM2.11m | 2:44PM2.08m | 3:09AM2.21m | 3:29PM2.09m | 3:51AM2.25m | 4:12PM2.06m | 4:32AM2.24m | 4:53PM2.00m | 5:12AM2.18m | 5:34PM1.91m | ||||||||
Low Tide | 7:19PM0.24m | 7:44AM0.26m | 8:09PM0.16m | 8:37AM0.17m | 8:55PM0.11m | 9:24AM0.11m | 9:37PM0.10m | 10:08AM0.09m | 10:18PM0.12m | 10:50AM0.12m | 10:58PM0.17m | 11:31AM0.18m | 11:36PM0.26m | |||||||
— | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | |
6:02 | — | — | 6:01 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 5:59 | — | — | 5:58 | — | |
mm | — | — | — | — | — | — | — | — | — | 1 | 3 | — | 6 | 6 | — | — | 4 | — | — | 1 |
Temp °C | 31 | 29 | 32 | 30 | 28 | 32 | 30 | 28 | 31 | 30 | 27 | 31 | 30 | 26 | 31 | 30 | 28 | 31 | 30 | 27 |
Feels °C | 33 | 33 | 33 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 30 | 34 | 34 | 29 | 33 | 32 | 33 | 32 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SSW 17 | SSW 17 | SW 16 | SW 16 | SW 16 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSE 9 | SE 7 | SE 7 | SSW 18 | S 8 | SSW 17 | SW 16 |
162 | 807 | 629 | 739 | 739 | 729 | 600 | 407 | 407 | 301 | 186 | 178 | 178 | 113 | 86 | 55 | 399 | 66 | 807 | 595 | |
Swell 2 Height (m) Direction Period (s) | SW 16 | SSE 7 | SW 14 | SE 7 | SE 6 | SSE 10 | S 10 | SSE 7 | S 9 | SSE 7 | SSE 7 | SSE 9 | S 9 | SW 13 | S 9 | SSW 18 | S 8 | SSW 18 | SE 7 | S 8 |
258 | 29 | 301 | 44 | 16 | 33 | 49 | 42 | 44 | 40 | 42 | 46 | 57 | 136 | 56 | 204 | 50 | 276 | 48 | 99 | |
Swell 3 Height (m) Direction Period (s) | SE 6 | WNW 10 | SE 7 | W 10 | S 11 | SE 5 | SE 7 | SW 9 | SW 8 | SW 18 | SW 8 | SSW 8 | SE 7 | SSW 19 | SW 12 | S 9 | SW 12 | SW 15 | S 8 | W 13 |
32 | 19 | 33 | 17 | 35 | 4 | 15 | 19 | 18 | 80 | 17 | 7 | 12 | 251 | 74 | 39 | 69 | 217 | 63 | 3 | |
Wind waves Height (m) Direction Period (s) | — | WNW 10 | — | — | WNW 10 | — | SSE 6 | — | ESE 5 | SW 8 | WNW 3 | E 5 | — | NNW 3 | — | SSW 3 | — | — | — | — |
— | 57 | — | — | 33 | — | 16 | — | 6 | 17 | 3 | 2 | — | 3 | — | 2 | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 238 | 0 | 0 | 332 | 0 | 0 | 343 | 0 | 0 | 317 | 0 | 0 | 221 | 0 | 0 | 141 | 0 | 0 | 346 |
Best forecast wave conditions in El-Salvador - Costa del Balsamo | ||||||||||||||||||||
Best forecast wave conditions in El Salvador | ||||||||||||||||||||
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Information about the La Bocana Surf forecast
The above surf forecast table for La Bocana provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at La Bocana can be found by selecting the local surf guide option on the grey menu. Our La Bocana 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 (La Bocana) 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 La Bocana 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.
La Bocana is 6 km (4 miles) from the city of La Libertad. If you plan a holiday in El-Salvador - Costa del Balsamo, look for hotels and other accommodation in La Libertad. La Libertad has rooms for a wide range of budgets as well as car hire and transport links.










