
Surf Forecasts:
El Mongol surf forecast from 11 Sep 2026:
- Best quality surf: Wednesday 16 Sep, 11PM (local time) - 5.5ft (1.7m), 12s period, NNW swell with glassy winds.
- Most powerful swell: Wednesday 16 Sep, 11PM (local time) - 5.5ft (1.7m), 12s period, NNW swell with 835 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 11AM (local time) - 3ft (0.9m), 9s period with NW 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 Friday (Sep 11) at 11AM. The primary swell is predicted to be 0.9m and 9s period with a secondary swell of 0.1m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at El Mongol in the next 16 days are 1.7m 12s and forecast to arrive on Wednesday (Sep 16) at 11PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Saturday (Sep 12) at 8PM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Fri 11th Sep) | 3ft (0.9m) 9s |
| Best Surf | 11PM (Wed 16th Sep) | 5.5ft (1.7m) 12s |
| Most Powerful | 11PM (Wed 16th Sep) | 5.5ft (1.7m) 12s |
Table - best surf conditions forecast for El Mongol over the next 16 days.
The Lowdown
Alright folks, it's Rusty here, giving you the lowdown on the only game in town for the next couple of weeks.
We've got just one break firing in the window, and it's El Mongol. A solid, consistent reef setup that's fairly exposed to the swell. The water's sitting at 70°F, which is a touch warmer than normal for this time of year – feels pretty nice actually.
The first few days are pretty average. Friday and Saturday the 11th and 12th are all knee-to-waist high stuff with wind that's not helping. We're looking at weak combined swell energy and poor conditions. Let’s just call it a lay-in. But hold tight, because it kicks off proper.
Sunday the 13th is where it all changes. We're looking at clean 5ft of NW groundswell with a 12-second period. That's proper long-period energy coming through, with a moderate combined swell energy. The wind is cross-off, so it'll be clean. This is a solid session, and honestly, it's one of the few standouts in the first week.
The action keeps rolling into Monday the 14th with more clean, cross-off conditions on a dropping 4ft swell – still fun and well-shaped.
Then we hit a bit of a lull. Tuesday the 15th is trash with onshore wind and a jumbled, short-period windswell. Wednesday the 16th morning goes glassy with 5ft of swell, but the arvo turns into a cross-onshore mess.
Thursday the 17th is your big call for the first week. The morning has 6ft of clean NNW groundswell, an 11-second period, and cross-off winds. The combined swell energy is solid. That's a big, clean day at El Mongol – a true standout.
Now, looking into the second week, things get serious. Friday the 18th afternoon is hands-down the best session for experienced surfers. We're talking 6ft of clean, long-period groundswell (14 seconds) from the NNW. The combined swell energy is massive, and it's a clean cross-off wind. That's excellent, world-class conditions for this break.
Saturday the 19th stays clean and fun with 5ft morning glass. Then Sunday the 20th gets big – 8ft to 10ft – but the wind is sketchy. That's expert territory and the conditions are marginal.
Monday the 21st morning is another huge one for the big-wave crew. Glassy conditions with a clean 8ft of NNW groundswell. The energy is enormous. This is a serious, heavy day at a reef – for experts only.
Tuesday the 22nd keeps the swell pumping over 7ft, still clean cross-off. Then it eases off a bit toward the end of the week. The last big hurrah is Saturday the 26th morning – 8ft of glassy NW groundswell before it starts to taper off. That's a monster end to the run.
So there you have it. A solid, building run with some absolute gems, especially that Friday the 18th and Monday the 21st. Get on it.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Sun afternoon, min 14°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Tue night. Warm (max 28°C on Mon afternoon, min 17°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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) | NW 9 | NW 8 | NW 8 | NW 9 | NW 10 | NNW 14 | NW 12 | NNW 12 | NNW 12 | NW 11 | NNW 11 | NNW 10 | WNW 5 | NW 5 | NW 7 | NNW 8 | NNW 9 | NNW 11 | NNW 11 | NNW 10 | NW 10 |
Wave Graph | |||||||||||||||||||||
141 | 118 | 67 | 49 | 58 | 232 | 597 | 647 | 456 | 268 | 196 | 85 | 80 | 67 | 194 | 315 | 430 | 814 | 622 | 466 | 275 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | cross-on | glassy | cross-on | glassy | cross-off | cross-off | cross-off |
High Tide | 5:30PM4.36m | 5:51AM4.14m | 6:07PM4.33m | 6:26AM4.12m | 6:42PM4.21m | 7:00AM4.02m | 7:16PM4.00m | 7:33AM3.85m | 7:50PM3.73m | 8:08AM3.64m | 8:26PM3.44m | 8:46AM3.39m | 9:09PM3.14m | ||||||||
Low Tide | 11:17AM0.48m | 11:43PM0.37m | 11:54AM0.44m | 00:17AM0.41m | 12:29PM0.49m | 00:49AM0.53m | 1:03PM0.63m | 1:21AM0.72m | 1:37PM0.84m | 1:53AM0.97m | 2:12PM1.09m | 2:27AM1.24m | 2:52PM1.37m | 3:05AM1.52m | |||||||
7:56 | — | — | 7:56 | — | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — | 8:02 | — | — | 8:03 | — | — | |
— | 8:40 | — | — | 8:38 | — | — | 8:37 | — | — | 8:35 | — | — | 8:34 | — | — | 8:31 | — | — | 8:30 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — |
Temp °C | 19 | 21 | 19 | 18 | 21 | 19 | 18 | 23 | 20 | 22 | 28 | 26 | 19 | 21 | 19 | 18 | 20 | 19 | 18 | 20 | 18 |
Feels °C | 19 | 20 | 18 | 17 | 19 | 19 | 18 | 22 | 21 | 21 | 27 | 27 | 19 | 20 | 20 | 18 | 18 | 19 | 17 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 8 | NW 8 | NW 9 | NW 10 | NW 10 | NW 12 | NNW 12 | NNW 12 | NW 11 | NNW 11 | NNW 10 | ENE 4 | NNW 9 | NW 7 | NNW 8 | NNW 9 | NNW 11 | NNW 11 | NNW 10 | NW 10 |
141 | 118 | 67 | 49 | 58 | 163 | 597 | 647 | 456 | 268 | 196 | 85 | 2 | 30 | 194 | 315 | 430 | 814 | 622 | 466 | 275 | |
Swell 2 Height (m) Direction Period (s) | N 6 | N 6 | N 6 | WNW 7 | NW 7 | NNW 14 | N 12 | N 12 | N 12 | N 11 | N 11 | ENE 5 | NNW 12 | NW 11 | NW 10 | WNW 10 | N 8 | N 8 | N 11 | N 10 | N 18 |
1 | 1 | 1 | 21 | 25 | 232 | 11 | 11 | 11 | 9 | 9 | 14 | 15 | 44 | 85 | 68 | 112 | 84 | 62 | 19 | 6 | |
Swell 3 Height (m) Direction Period (s) | W 7 | N 8 | N 8 | N 18 | NNW 16 | N 12 | — | — | — | — | — | WNW 9 | — | WNW 8 | NW 11 | — | NW 10 | N 12 | — | — | N 10 |
1 | 5 | 1 | 6 | 25 | 11 | — | — | — | — | — | 15 | — | 6 | 40 | — | 84 | 41 | — | — | 47 | |
Wind waves Height (m) Direction Period (s) | — | ENE 2 | E 3 | E 3 | ENE 4 | E 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | — | WNW 5 | NW 5 | — | — | — | — | — | NE 3 | ENE 3 |
— | 1 | 3 | 6 | 22 | 24 | 13 | 25 | 26 | 19 | 23 | — | 80 | 67 | — | — | — | — | — | 2 | 1 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 1 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 78 | 12 | 17 | 0 | 29 | 0 | 0 | 29 | 0 |
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.










