Surf Forecasts:
Playa de San Juan surf forecast from 11 Jul 2026:
- Best quality surf: Sunday 12 Jul, 2AM (local time) - 2ft (0.6m), 10s period, NW swell with glassy winds.
- Most powerful swell: Sunday 12 Jul, 2PM (local time) - 3.5ft (1.1m), 9s period, NW swell with 193 kJ wave energy.
- Next surfable swell (1★+): Sunday 12 Jul, 2AM (local time) - 2ft (0.6m), 10s period with NW swell.
Best Forecast Surf Conditions for Playa de San Juan this week:
The surf forecast for Playa de San Juan over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 12) at 2AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.3m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Playa de San Juan in the next 16 days are 1.1m 9s and forecast to arrive on Sunday (Jul 12) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Sunday (Jul 12) at 2AM.
| Wave Type | Time (CEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sun 12th Jul) | 2ft (0.6m) 10s |
| Best Surf | 2AM (Sun 12th Jul) | 2ft (0.6m) 10s |
| Most Powerful | 2PM (Sun 12th Jul) | 3.5ft (1.1m) 9s |
Table - best surf conditions forecast for Playa de San Juan over the next 16 days.
Alright folks, Rusty here. Let's have a look at what the next couple of weeks are serving up.
Honestly, it's a bit of a slow start. The first real opportunity to get wet is a pretty ordinary one. Saturday morning, July 11th, at Playa de San Juan, we've got tiny 2 ft waves from the NW with an 11-second period. The board is going to feel a bit light under your arm, the combined wave energy is a weak (108), and while that cross-off breeze from the ENE at 6 mph will keep things reasonably tidy, it's not going to be a session to write home about. Water temp is sitting at 67°, which is pretty standard for this time of year. The afternoon cleans up a bit wind-wise, but the swell drops even more.
We then hit a massive lull. From Sunday the 12th right through to Sunday the 19th, the surf is basically flat or just a dribble. The wind is on it or cross-shore, and the combined energy numbers are barely ticking over. You'd need a lot of patience and a really forgiving board to have any fun. This stretch is a write-off.
Now, the good news starts to appear further out. We get a little pulse to start the new work week. Monday morning, July 20th, a bump of 3 ft NW swell rolls in. The period is 7 seconds, so it's not the most powerful, but the energy is back up to a moderate (113), and the cross-off wind from the E at 6 mph should keep the surface clean. It’s a soft, small day, but it’s something to get you back in the water. The next morning, Tuesday the 21st, is glassy with a 3 ft NNW swell. Clean, but still small.
But keep your eyes on the end of the forecast period. The standout is the last day we have data for. Sunday morning, July 26th, is looking like the real deal. We've got a solid 6 ft swell from the NW, and that period stretches out to a proper 10 seconds. The combined energy jumps right up to a strong (513). The wind is glassy – flat calm – out of the WNW at just 3 mph. This is going to be the cleanest, most powerful, and most consistent surf of the entire two weeks. For the intermediate and above crew, that Sunday dawn patrol is the one to circle on the calendar. The afternoon drops a touch in size and picks up a little cross-on breeze, so get it while it's good. This stretch from the 20th onwards is much more promising than the barren first week.
Stay patient, and that last Sunday will pay off.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Sat afternoon, min 16°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Wed afternoon, min 17°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 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 11 | NW 10 | NW 10 | WNW 9 | NW 5 | NW 7 | N 7 | N 7 | NNE 7 | NNE 7 | N 7 | N 7 | N 8 | N 7 | N 6 | WNW 8 | WNW 9 | WNW 5 | W 8 | NW 4 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 75 | 82 | 73 | 101 | 72 | 103 | 47 | 23 | 26 | 17 | 15 | 10 | 10 | 8 | 18 | 14 | 8 | 10 | 5 | 5 | 5 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-on | cross | glassy | cross | glassy | glassy | on | cross-on | cross-on | on | cross-on |
High Tide | 2:29PM3.45m | 3:00AM3.42m | 3:30PM3.68m | 4:00AM3.57m | 4:25PM3.90m | 4:54AM3.70m | 5:15PM4.08m | 5:44AM3.79m | 6:03PM4.18m | 6:31AM3.81m | 6:50PM4.19m | 7:17AM3.76m | 7:35PM4.11m | ||||||||
Low Tide | 8:09AM1.04m | 8:47PM0.98m | 9:12AM0.89m | 9:49PM0.76m | 10:08AM0.73m | 10:45PM0.56m | 10:59AM0.59m | 11:36PM0.41m | 11:48AM0.51m | 00:23AM0.34m | 12:34PM0.49m | 1:10AM0.37m | 1:19PM0.55m | 1:55AM0.48m | |||||||
 |  |  | | | | | |  |  | | | | | | | | | | | | |
 | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | — | 10:05 | — | — | 10:05 | — | — | 10:04 | — | — | 10:02 | — | — | 10:02 | — | — | 10:01 | — | — | 10:00 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 26 | 26 | 23 | 23 | 20 | 21 | 23 | 21 | 22 | 23 | 22 | 22 | 24 | 22 | 21 | 22 | 21 | 21 | 22 | 21 |
Feels °C | 24 | 26 | 26 | 23 | 23 | 20 | 23 | 22 | 21 | 24 | 24 | 23 | 23 | 24 | 22 | 23 | 22 | 22 | 21 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 10 | NW 10 | ENE 5 | NW 9 | NW 7 | N 7 | N 7 | NNE 7 | NNE 7 | N 7 | N 7 | NNW 5 | N 5 | N 6 | N 5 | WNW 9 | WNW 9 | W 8 | NW 4 | WNW 4 |
| kJ | 75 | 82 | 73 | 15 | 46 | 103 | 47 | 23 | 26 | 17 | 15 | 8 | 7 | 8 | 18 | 5 | 8 | 8 | 5 | 4 | 1 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 8 | N 6 | N 5 | NE 5 | N 6 | NW 8 | NW 8 | NW 8 | NW 7 | WNW 11 | WNW 10 | N 8 | N 7 | WNW 8 | WNW 8 | N 5 | N 6 | N 6 | W 8 | W 8 |
| kJ | 25 | 12 | 6 | 14 | 6 | 28 | 17 | 16 | 15 | 14 | 12 | 10 | 10 | 8 | 14 | 14 | 2 | 3 | 1 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | NNE 5 | — | — | — | N 8 | NW 9 | WNW 5 | N 9 | N 10 | WNW 11 | NNW 7 | NW 7 | WNW 9 | WNW 9 | — | W 10 | WNW 5 | — | — | N 5 | — |
| kJ | 8 | — | — | — | 11 | 13 | 5 | 14 | 7 | 12 | 5 | 2 | 8 | 8 | — | 2 | 2 | — | — | 1 | — |
Wind waves Height (m) Direction Period (s) | — | ENE 4 | ENE 6 | WNW 9 | NW 5 | — | — | NE 2 | — | — | — | WNW 3 | — | — | — | — | — | WNW 5 | NW 4 | — | — |
| kJ | — | 13 | 95 | 101 | 72 | — | — | 1 | — | — | — | 7 | — | — | — | — | — | 10 | 4 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 26 | 0 | 15 | 12 | 0 | 0 | 0 | 2 | 2 | 235 | 142 | 142 | 142 | 176 | 328 | 974 | 188 | 277 | 277 | |
Best forecast wave conditions in Asturias | |||||||||||||||||||||
Best forecast wave conditions in Spain (Europe) | |||||||||||||||||||||
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Information about the Playa de San Juan Surf forecast
The above surf forecast table for Playa de San Juan provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Playa de San Juan can be found by selecting the local surf guide option on the grey menu. Our Playa de San Juan 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 (Playa de San Juan) 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 Playa de San Juan 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.
Playa de San Juan is 5 km (3 miles) from Aviles. If you plan a holiday in Asturias, look for hotels and other accommodation in Aviles. Aviles has rooms for a wide range of budgets as well as car hire and transport links.
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