Surf Forecasts:
Conchalio surf forecast from 10 Sep 2026:
- Best quality surf: Thursday 10 Sep, 3AM (local time) - 4.5ft (1.3m), 17s period, SSW swell with cross-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★+): Thursday 10 Sep, 12AM (local time) - 4ft (1.2m), 17s period with SSW 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 (Sep 10) at 12AM. The primary swell is predicted to be 1.2m and 17s period with a secondary swell of 0.5m and 10s. 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 1.3m 17s and forecast to arrive on Thursday (Sep 10) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 9s period and expected on Monday (Sep 14) at 12AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Thu 10th Sep) | 4ft (1.2m) 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 Conchalio over the next 16 days.
The Lowdown
Alright, grab your board, let’s talk about what’s coming through. The first few days are a total flat spell, so save your energy. The real action kicks off Thursday the 10th.
Thursday morning the 10th at Conchalio gets a 1.0m SSW swell, but with a long 17-second period – that’s groundswell with some proper grunt (930 energy). The wind is light offshore from the NE, glassy clean. Water temp is a toasty 31°, which is a touch warmer than usual.
Friday the 11th morning is even better – dead calm, glassy, zero wind. The swell drops to 16 seconds but holds at 1.2m from the SW (729 energy). This is the best session of the early run: clean, smooth, and no crowds.
Saturday the 12th and Sunday the 13th mornings offer glassy conditions, but the swell drops to 1.0m and 0.7m, and the period shortens to 14 and 13 seconds. Energy drops to 425 and then 185. It’s rideable, but you’ll be hunting.
Now, for the second week, keep an eye on Tuesday morning the 15th – 0.7m SSW, 18-second swell, glassy, energy at 559. That’s a sleeper. Wednesday morning the 16th is the real standout: 1.3m SSW swell, 16 seconds, glassy offshore, 990 energy. That’s as good as it gets. Circle that date.
Further out, Monday morning the 21st delivers 0.9m from the SSW at 18 seconds, with a clean cross-offshore wind and energy at 1068. The afternoon of the 21st is a monster – 4.0m from the SSW but with a short 9-second period and a cross-shore breeze. That’s over 2.5m – expert-only territory, and the energy reading is 2848. That’s more of a kite-surf day for the average surfer.
Best bets: Thursday the 10th, Friday the 11th, and especially Wednesday the 16th mornings. For the long-range, Monday morning the 21st is promising, but the afternoon is for the brave.
Stay stoked.
- Rusty
Short Range ForecastMostly dry. Warm (max 33°C on Thu morning, min 26°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 22mm), heaviest during Sun night. Warm (max 32°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 | SW 12 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 258 | 807 | 629 | 739 | 739 | 729 | 600 | 407 | 407 | 301 | 186 | 178 | 178 | 251 | 74 | 204 | 399 | 276 | 807 | 595 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | glassy | on | glassy | glassy | on | glassy | glassy | on | cross-off | glassy | on | cross-off | glassy | on | cross-off | glassy | cross-on | 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 | — | 7 | 7 | — | — | 4 | — | — | 2 |
Temp °C | 31 | 29 | 33 | 30 | 28 | 33 | 30 | 28 | 32 | 30 | 27 | 32 | 30 | 26 | 31 | 30 | 27 | 32 | 30 | 27 |
Feels °C | 32 | 33 | 34 | 32 | 32 | 34 | 33 | 33 | 33 | 33 | 30 | 33 | 34 | 29 | 33 | 32 | 31 | 34 | 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 |
| kJ | 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 |
| kJ | 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 |
| kJ | 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 | — | — | — | — |
| kJ | — | 57 | — | — | 33 | — | 16 | — | 6 | 17 | 3 | 2 | — | 3 | — | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 234 | 0 | 0 | 327 | 0 | 0 | 338 | 0 | 0 | 313 | 0 | 0 | 5 | 0 | 0 | 483 | 0 | 0 | 136 | 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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