Surf Forecasts:
Conchalio surf forecast from 13 Aug 2026:
- Best quality surf: Saturday 15 Aug, 12AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 15 Aug, 6AM (local time) - 4.5ft (1.4m), 16s period, SW swell with 1,057 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 3AM (local time) - 2.5ft (0.7m), 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 Thursday (Aug 13) at 3AM. The primary swell is predicted to be 0.7m and 15s period with a secondary swell of 0.6m and 12s. Another secondary swell of 0.2m and 7s is also forecast. 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 1.4m 16s and forecast to arrive on Saturday (Aug 15) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 8s period and expected on Tuesday (Aug 18) at 9AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 13th Aug) | 2.5ft (0.7m) 15s |
| Best Surf | 12AM (Sat 15th Aug) | 4.5ft (1.3m) 17s |
| Most Powerful | 6AM (Sat 15th Aug) | 4.5ft (1.4m) 16s |
Table - best surf conditions forecast for Conchalio over the next 16 days.
The Lowdown
Alright, let’s get into it. The west coast of Costa Rica is famous for its sunsets, but the surf can be a bit of a tease. The early part of the run is pretty flat, so if you’re looking to get wet, you’re going to be waiting a few days. The first real window opens up Friday morning, and things start to get interesting from there.
The standout by far is Saturday morning, August 15th. That’s the one to circle on the calendar. We’ve got a solid 4.6ft SW groundswell with a 16-second period rolling in, and the wind is dead calm. Glassy, clean, and with that kind of energy, Conchalio (Guanacaste) is going to be firing. The combined energy is up at 1074, which is strong, and the direction is right in the wheelhouse for this spot. This is the pick of the entire 16-day run. It’s a beginner-friendly break, and with that size, it’s still manageable, but the quality is going to be there for everyone. The water is sitting at 85.6°, which is about normal for the time of year, so no surprises there.
Friday morning is a solid warm-up. 3.6ft of SW swell, 18-second period, and a light NNE breeze keeping it glassy. It’s a touch smaller than Saturday but still very good. The energy is at 799, which is moderate, but the long period means the lines will be clean and have some push to them. That’s a good one for sure.
Thursday morning is smaller, 2.3ft, but with that 15-second SW groundswell and a light E wind leaving it glassy, it’s your first chance to get a clean wave. The energy is weak at 322, so it’s not going to be a world-beater, but for a fun, small-wave session, it’s a go.
After Saturday, the energy starts to back off a bit. Sunday morning, August 16th, has 3.9ft of SW swell with a 15-second period, and the NNE wind is cross-off, keeping it fairly clean. It’s good, but a step down from Saturday. The energy is at 667, which is still moderate.
The following week, the surf gets smaller and more inconsistent. There are still some fun windows, like Monday and Tuesday mornings with glassy conditions and 3.3ft of swell, but the size just isn’t there like it was over the weekend. The second week is more about picking your moments than scoring anything epic. The 27th of August looks like it might have a little more life to it, with 2.9ft SW swell and a 17-second period, but it’s a long way out and less certain.
Keep an eye on the afternoons—the wind tends to switch onshore and chop things up, so the mornings are definitely your friend here. The crowds are possible at Conchalio, so get out there early for the cleanest waves.
Alright, I’ll catch you in the water.
Short Range ForecastLight rain (total 8mm), mostly falling on Wed night. Warm (max 33°C on Thu morning, min 26°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Sat night. Warm (max 34°C on Sun morning, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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 16 | SW 15 | SW 15 | SSW 16 | SW 18 | SSW 18 | SSW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 16 |
Wave Graph | ||||||||||||||||||||
264 | 215 | 226 | 314 | 318 | 752 | 547 | 1009 | 1044 | 917 | 883 | 623 | 536 | 543 | 395 | 390 | 368 | 373 | 352 | 436 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | glassy | cross-on | cross-off | glassy | on | glassy | glassy | on | cross-off | cross-off | cross-on | cross-off | cross-off | on | glassy | glassy | cross-on | cross-off |
High Tide | 2:41AM2.05m | 2:59PM2.19m | 3:31AM2.17m | 3:49PM2.19m | 4:18AM2.24m | 4:35PM2.14m | 5:03AM2.25m | 5:20PM2.06m | 5:46AM2.20m | 6:04PM1.95m | 6:29AM2.12m | 6:48PM1.83m | ||||||||
Low Tide | 8:29PM0.09m | 8:48AM0.16m | 9:18PM0.03m | 9:41AM0.11m | 10:03PM0.00m | 10:30AM0.10m | 10:47PM0.03m | 11:17AM0.13m | 11:29PM0.10m | 12:03PM0.20m | 00:11AM0.20m | 12:48PM0.29m | 00:52AM0.32m | |||||||
— | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | |
6:20 | — | — | 6:20 | — | — | 6:19 | — | — | 6:19 | — | — | 6:17 | — | — | 6:16 | — | — | 6:16 | — | |
mm | — | 4 | — | — | 4 | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — |
Temp °C | 32 | 27 | 33 | 31 | 28 | 32 | 30 | 29 | 33 | 31 | 27 | 34 | 31 | 29 | 32 | 30 | 28 | 32 | 29 | 27 |
Feels °C | 33 | 30 | 35 | 34 | 33 | 33 | 33 | 33 | 35 | 34 | 31 | 36 | 31 | 32 | 33 | 31 | 32 | 32 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SSW 16 | SW 15 | SE 7 | SSW 16 | SW 18 | SSW 18 | SSW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SSE 8 | SSE 8 | SSW 16 |
264 | 215 | 226 | 75 | 318 | 752 | 547 | 1009 | 1044 | 917 | 883 | 623 | 536 | 543 | 395 | 390 | 368 | 162 | 161 | 436 | |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 12 | SSW 12 | SW 15 | SSW 19 | SSE 8 | SSE 7 | S 8 | SSE 8 | SE 7 | S 12 | SE 8 | SE 7 | S 11 | S 11 | S 11 | S 8 | SW 14 | SSW 14 | SSE 7 |
170 | 118 | 96 | 314 | 251 | 62 | 76 | 44 | 45 | 23 | 180 | 57 | 44 | 88 | 59 | 82 | 43 | 373 | 352 | 72 | |
Swell 3 Height (m) Direction Period (s) | SE 6 | S 9 | SE 8 | S 8 | SE 7 | SSW 11 | SW 15 | SE 7 | S 13 | S 8 | ESE 6 | S 12 | S 12 | SE 6 | ESE 7 | SE 7 | SE 6 | S 10 | S 10 | SSW 8 |
21 | 39 | 28 | 35 | 35 | 47 | 318 | 22 | 30 | 31 | 26 | 44 | 66 | 24 | 21 | 36 | 14 | 8 | 8 | 14 | |
Wind waves Height (m) Direction Period (s) | — | WNW 8 | NE 3 | S 3 | — | — | — | — | E 7 | — | — | — | SE 6 | — | E 7 | SSW 3 | — | — | — | — |
— | 6 | 2 | 2 | — | — | — | — | 28 | — | — | — | 40 | — | 28 | 2 | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 514 | 0 | 0 | 483 | 0 | 0 | 341 | 0 | 0 | 136 | 0 | 0 | 234 | 0 | 0 | 498 | 0 | 0 | 313 | 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.











