Surf Forecasts:
Conchalio surf forecast from 29 Aug 2026:
- Best quality surf: Friday 4 Sep, 3AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with cross-offshore winds.
- Most powerful swell: Saturday 5 Sep, 12AM (local time) - 5.5ft (1.7m), 16s period, SSW swell with 1,433 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 3AM (local time) - 4.5ft (1.4m), 15s period with SW swell.
Best Forecast Surf Conditions for Conchalio this week:
The surf forecast for Conchalio over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 3AM. The primary swell is predicted to be 1.4m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Conchalio in the next 16 days are 1.7m 16s and forecast to arrive on Saturday (Sep 05) at 12AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Saturday (Aug 29) at 3PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 30th Aug) | 4.5ft (1.4m) 15s |
| Best Surf | 3AM (Fri 4th Sep) | 4.5ft (1.3m) 17s |
| Most Powerful | 12AM (Sat 5th Sep) | 5.5ft (1.7m) 16s |
Table - best surf conditions forecast for Conchalio over the next 16 days.
The Lowdown
Alright, Rusty here with the skinny on Conchalio.
The water is a warm 86°, dead average for this time of year, so no need for thick rubber. We’re kicking off with some proper energy in the water (1075), so let’s talk about the best windows.
The standout is Saturday morning, August 29th. We’ve got a 5ft southwesterly swell with a long 16-second period—that’s real groundswell. The wind is glassy, coming from the north-northeast at just 3 mph. The surface will be silky smooth. For a beginner-friendly spot, this is as good as it gets. The optimum swell angle is from the west, and this south-west direction is working perfectly. Crowds can show up here, so be early.
Sunday morning, August 30th, is another killer. Swell holds at 5ft, period drops to 14 seconds, but the wind goes completely calm. Glassy perfection again. Wave energy is still solid (865). A little less grunt than Saturday, but still a fantastic session.
Monday morning, August 31st, the swell drops to 4ft, still glassy, with lower energy (486). A good session, but not a standout. The size then sits in the 3 to 4ft range for most of the week. Wednesday morning, September 2nd, is worth a look with clean cross-off winds and a clean face, even with the smaller 3ft swell.
Looking ahead, the next big highlight is Friday morning, September 4th. Swell jumps back to 5ft from the southwest, period stretches to 17 seconds, and the wave energy is strong (1396). Glassy conditions from the east at 3 mph. This is excellent, but with a 17-second period, the sets have more punch and longer lulls. It’s a step up in power.
Then, Saturday morning, September 5th, brings the biggest swell of the whole run. We’re looking at 6ft from the south-southwest, 16-second period, and glassy wind from the south-southwest at 3 mph. Wave energy is strong (1378). This is too big for beginners, but for the experienced crew, this is the session to target. It’s clean, powerful, and lined up.
After that, the swell settles to around 4ft and smaller through the second week, with plenty of glassy mornings. Thursday morning, September 10th, offers clean 4ft surf with a cross-off wind. The second week is consistent, but nothing tops the first weekend and that Friday/Saturday push.
For beginners, hit Saturday, August 29th, or Sunday, August 30th. For the more experienced, that Saturday, September 5th, is the one. Everything is clean.
Rusty.
Short Range ForecastLight rain (total 8mm), mostly falling on Mon afternoon. Warm (max 33°C on Sat morning, min 26°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 55mm), heaviest during Wed night. Warm (max 30°C on Tue morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
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) | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SW 18 | SW 17 | SW 17 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1057 | 1031 | 942 | 857 | 752 | 581 | 458 | 400 | 394 | 290 | 273 | 273 | 281 | 347 | 334 | 318 | 537 | 1249 | 1207 | 1193 | 1433 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross | glassy | on | cross-off | glassy | on | cross-off | cross | on | glassy | cross-off | on | glassy | cross-off | cross | cross | glassy | cross-on | off |
High Tide | 3:35PM1.97m | 3:58AM2.07m | 4:13PM1.97m | 4:34AM2.13m | 4:51PM1.95m | 5:12AM2.17m | 5:30PM1.91m | 5:52AM2.16m | 6:13PM1.84m | 6:37AM2.12m | 7:00PM1.77m | 7:27AM2.06m | 7:54PM1.69m | ||||||||
Low Tide | 9:29AM0.31m | 9:43PM0.23m | 10:08AM0.25m | 10:18PM0.20m | 10:48AM0.21m | 10:54PM0.19m | 11:29AM0.21m | 11:33PM0.21m | 12:12PM0.23m | 00:15AM0.24m | 1:00PM0.28m | 1:02AM0.30m | 1:54PM0.35m | 1:57AM0.38m | |||||||
 |  |  | | |  | |  | | | |  | | | |  | | | |  |  | |
 | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — |
 | — | 6:09 | — | — | 6:09 | — | — | 6:08 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:06 | — |
mm | — | — | — | — | — | — | — | 8 | — | — | — | 10 | — | — | 43 | — | — | 2 | — | 2 | 4 |
Temp °C | 33 | 31 | 29 | 32 | 30 | 27 | 31 | 30 | 27 | 30 | 30 | 27 | 30 | 30 | 27 | 29 | 28 | 27 | 31 | 29 | 26 |
Feels °C | 34 | 32 | 33 | 36 | 33 | 31 | 34 | 33 | 32 | 33 | 32 | 31 | 33 | 33 | 31 | 33 | 32 | 31 | 33 | 33 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | S 6 | SSW 16 | SW 15 | SW 18 | SW 17 | SW 17 | SSW 16 |
| kJ | 1057 | 1031 | 942 | 857 | 752 | 581 | 458 | 400 | 394 | 290 | 273 | 273 | 281 | 286 | 52 | 318 | 537 | 1249 | 1207 | 1193 | 1433 |
Swell 2 Height (m) Direction Period (s) | SE 7 | S 11 | SE 6 | SSE 7 | SE 7 | SE 6 | SSW 6 | SE 7 | SW 6 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 12 | SSW 12 | SW 12 | SSE 6 | SSW 11 | SSW 11 | W 9 |
| kJ | 126 | 9 | 31 | 43 | 60 | 25 | 14 | 22 | 14 | 34 | 28 | 61 | 45 | 59 | 187 | 177 | 144 | 31 | 164 | 167 | 24 |
Swell 3 Height (m) Direction Period (s) | SW 8 | S 9 | S 7 | S 10 | SSW 8 | SSW 7 | W 9 | SSW 7 | SE 6 | SW 18 | SE 6 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSE 7 | S 7 | W 9 | W 9 | W 9 | W 9 |
| kJ | 18 | 14 | 17 | 8 | 21 | 16 | 14 | 18 | 9 | 83 | 19 | 124 | 270 | 347 | 334 | 26 | 24 | 23 | 25 | 25 | 24 |
Wind waves Height (m) Direction Period (s) | — | SSE 7 | — | — | — | SW 7 | — | — | WNW 3 | — | SSE 6 | — | — | — | — | SE 7 | — | — | — | — | — |
| kJ | — | 111 | — | — | — | 23 | — | — | 2 | — | 16 | — | — | — | — | 52 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 338 | 1 | 0 | 338 | 0 | 0 | 338 | 0 | 50 | 525 | 0 | 0 | 417 | 0 | 0 | 2 | 1 | 0 | 9 | 0 |
Best forecast wave conditions in El-Salvador - Costa del Balsamo | |||||||||||||||||||||
Best forecast wave conditions in El Salvador | |||||||||||||||||||||
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Information about the Conchalio Surf forecast
The above surf forecast table for Conchalio provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Conchalio can be found by selecting the local surf guide option on the grey menu. Our Conchalio 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 (Conchalio) 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 Conchalio 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.
Conchalio is 2 km (1 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.
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