Surf Forecasts:
El Mongol surf forecast from 22 Aug 2026:
- Best quality surf: Saturday 22 Aug, 8PM (local time) - 3ft (0.9m), 8s period, NNW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 5AM (local time) - 11ft (3.5m), 12s period, NW swell with 3,382 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 8PM (local time) - 3ft (0.9m), 8s period with NNW swell.
Best Forecast Surf Conditions for El Mongol this week:
The surf forecast for El Mongol over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 22) at 8PM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.4m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at El Mongol in the next 16 days are 3.5m 12s and forecast to arrive on Friday (Aug 28) at 5AM. Winds are predicted to be cross-shore 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 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sat 22nd Aug) | 3ft (0.9m) 8s |
| Best Surf | 8PM (Sat 22nd Aug) | 3ft (0.9m) 8s |
| Most Powerful | 5AM (Fri 28th Aug) | 11ft (3.5m) 12s |
Table - best surf conditions forecast for El Mongol over the next 16 days.
The Lowdown
Righto, Rusty here. Let’s have a look at what’s on the cards for El Mongol.
Alright, we’ve got a bit of a waiting game on our hands. The first week or so is looking pretty average, with a lot of small, weak swell and not much in the way of quality. The first worthwhile suggestion doesn’t pop up until the morning of Thursday, 27th August. We’ll get a pulse of energy with a 4ft swell from the WNW, period around 8 seconds, and the combined energy at 235 (moderate). The wind is glassy, so it’ll be clean, but the conditions are still described as just “surfable” rather than anything special. That morning is the pick of a pretty poor bunch early on.
Now, the real standout is on Saturday, 5th September. This is the one to circle. The morning shows a clean 4ft swell from the NW, with a longer period of 10 seconds, pushing the combined energy up to 352 (moderate). The wind is glassy, and the forecast actually says “expect good surf conditions.” That’s our best bet by a long shot. The water temp is sitting at 71°F, which is a touch warmer than normal for this time of year, so that’s a nice bonus.
There’s another spike on Friday, 28th August, but I wouldn’t get too excited. The swell is 10ft from the NW with a period of 11 seconds, and the combined energy is a massive 3755 – that’s strong to very strong. But it’s coming with a 12 mph cross-onshore wind, making it choppy and messy. That’s expert-only territory, and even then, the conditions are poor. The setup at El Mongol is a reef, so a long-period groundswell like that can actually work well, but the wind kills it.
The rest of the window is mostly small, weak, or blown out. There’s a gap of several days with no real recommendations from the 22nd to the 27th, and then another lull after the 27th afternoon until that Saturday morning on the 5th. The Saturday afternoon on the 5th is still surfable but the wind turns cross-onshore, so the morning is the clear winner.
So, to sum it up: the best surf on offer is the morning of Saturday, 5th September. Clean glass, solid NW swell, and decent energy. A few weeks away, so keep an eye on it, but that’s your target.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Mon morning, min 15°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 24mm), heaviest during Thu afternoon. Warm (max 23°C on Tue afternoon, min 13°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||||
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) | NNW 9 | NNW 8 | ENE 6 | ENE 6 | NE 6 | NNE 7 | NE 6 | NNE 7 | N 6 | NNW 12 | WNW 6 | WNW 6 | NW 9 | NW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 10 | NW 11 | NW 10 | NW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 194 | 114 | 87 | 43 | 43 | 108 | 21 | 60 | 31 | 16 | 66 | 41 | 29 | 28 | 394 | 234 | 197 | 1448 | 2073 | 1275 | 869 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | glassy | glassy | cross-on | glassy | glassy | glassy | cross | glassy | cross-on | cross | cross-on | on | cross-on |
High Tide | 1:05PM2.99m | 1:49AM2.87m | 2:19PM3.12m | 2:55AM3.03m | 3:14PM3.34m | 3:42AM3.24m | 3:56PM3.57m | 4:19AM3.46m | 4:33PM3.79m | 4:52AM3.65m | 5:05PM3.97m | 5:24AM3.81m | 5:37PM4.11m | ||||||||
Low Tide | 7:42PM1.75m | 8:04AM1.74m | 8:52PM1.56m | 9:03AM1.54m | 9:38PM1.33m | 9:46AM1.31m | 10:15PM1.10m | 10:22AM1.08m | 10:47PM0.89m | 10:54AM0.87m | 11:18PM0.72m | 11:25AM0.71m | 11:49PM0.60m | ||||||||
 |  |  |  | | | | | | |  | | | |  | |  |  | | | | |
 | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — |
 | — | — | 9:15 | — | — | 9:14 | — | — | 9:12 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 | — | — | 9:06 |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 7 | — | 9 | 7 | — | — | — |
Temp °C | 21 | 23 | 21 | 22 | 23 | 22 | 25 | 25 | 22 | 22 | 23 | 21 | 21 | 23 | 21 | 18 | 21 | 15 | 21 | 23 | 20 |
Feels °C | 20 | 21 | 21 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 18 | 20 | 13 | 17 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | NNW 9 | NNW 8 | ENE 6 | ENE 6 | NE 6 | NNE 7 | NE 6 | NNE 7 | N 6 | N 6 | NW 11 | WNW 6 | WNW 6 | WNW 6 | — | WNW 8 | WNW 8 | — | NW 11 | N 6 | N 10 |
| kJ | 194 | 114 | 87 | 43 | 43 | 108 | 20 | 60 | 31 | 2 | 30 | 41 | 26 | 28 | — | 234 | 197 | — | 2073 | 30 | 151 |
Swell 2 Height (m) Direction Period (s) | NW 9 | — | NNW 7 | N 6 | N 6 | NNW 7 | N 7 | NW 9 | NE 6 | NNW 12 | N 5 | NW 10 | NW 9 | NW 9 | NE 4 | — | N 6 | — | — | N 10 | — |
| kJ | 64 | — | 62 | 36 | 16 | 5 | 21 | 3 | 8 | 14 | 1 | 25 | 29 | 27 | 1 | — | 1 | — | — | 34 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | NNW 7 | NNW 7 | W 9 | N 8 | — | NNE 6 | NE 5 | — | W 7 | E 3 | ENE 4 | N 8 | N 8 | N 8 | — | — | — | — |
| kJ | — | — | — | 30 | 28 | 2 | 4 | — | 3 | 1 | — | 4 | 1 | 3 | 1 | 1 | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | ENE 5 | — | — | — | — | — | — | — | WNW 4 | WNW 6 | — | — | — | WNW 8 | — | — | WNW 10 | NW 11 | NW 10 | NW 10 |
| kJ | 14 | 83 | — | — | — | — | — | — | — | 16 | 66 | — | — | — | 394 | — | — | 1448 | 1682 | 1275 | 869 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 218 | 0 | 0 | 1 | 0 | 78 | 42 | 85 | 287 | 14 | 1 | 6 | 19 | 1 | 0 | 37 | 1 | 42 | 108 | 1 |
Best forecast wave conditions in Asturias | |||||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||||
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Information about the El Mongol Surf forecast
The above surf forecast table for El Mongol provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at El Mongol can be found by selecting the local surf guide option on the grey menu. Our El Mongol 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 (El Mongol) 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 El Mongol 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.
El Mongol is 2 km (1 miles) from Gijon. If you plan a holiday in Asturias, look for hotels and other accommodation in Gijon. Gijon has rooms for a wide range of budgets as well as car hire and transport links.
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