Surf Forecasts:
San Juan surf forecast from 5 Jul 2026:
- Most powerful swell: Sunday 5 Jul, 4AM (local time) - 3.5ft (1.0m), 9s period, N swell with 162 kJ wave energy.
Best Forecast Surf Conditions for San Juan this week:
The most powerful waves expected at San Juan in the next 16 days are 1.0m 9s and forecast to arrive on Sunday (Jul 05) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (WEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Sun 5th Jul) | 3.5ft (1.0m) 9s |
Table - best surf conditions forecast for San Juan over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, Rusty here. Let's have a look at what San Juan's got cooking for us. To be straight with you, it's a pretty grim stretch ahead. The whole 16-day window is a write-off, not a single session worth paddling out for. We're looking at a solid blank run from now all the way through to July 19th without a single recommendation.
San Juan is an expert-level reef break, consistent and exposed to the north-northwest, but the winds are just no good. We start off Saturday afternoon, July 4th, with a tiny 4ft swell from the north, a weak 9-second period, and a cross-onshore breeze. Combined energy is 258 (moderate), and the water's sitting at 71°, which is about average for the time of year. But the onshore wind just ruins it all, making for poor conditions.
Sunday, July 5th, is more of the same, with smaller swell and a stronger north wind. It's a downhill slide into the first week. The swell stays small, the period is short, and winds are constantly cross-onshore or onshore. We see moderate to fresh breezes every day.
Midweek, from July 7th onwards, the swell picks up a hair to maybe 3ft but with a shocking 5-6 second period. That's just wind slop, barely any push. The combined energy figures are weak to moderate, under 100 or just over, which tells the same story.
Towards the end of the second week, around July 14th and 15th, the swell height climbs to 5ft, and we see a jump in combined energy to 317 (moderate) and then 171. The period lifts to 9 seconds briefly on the 14th morning, but it's still onshore wind. By July 18th and 19th, we've got the biggest swell of the period – 6ft to 7ft from the NNE with combined energy hitting 425 and then 478 (strong). But again, it's blown out. Fresh cross-onshore winds and lumpy conditions are the name of the game. That much swell, over 5ft, is already too much for beginners, but with the wind so messy, it's not fun for anyone except maybe the kite crew.
So, the bottom line: there are zero good surf options in this 16-day window. It's just a long, dry spell. With a break this consistent, it tends not to stay poor for long, but this forecast has nothing to get excited about. Keep the board in the bag and check back in a few days.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Tue morning, min 20°C on Sat afternoon). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 29°C on Wed afternoon, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Sat 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 5 | N 5 | NNE 5 | NNE 5 | NE 6 | NNE 6 | NNE 6 | NNE 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 210 | 205 | 123 | 68 | 107 | 34 | 102 | 36 | 23 | 40 | 40 | 61 | 62 | 77 | 74 | 77 | 105 | 120 | 83 | 77 | 50 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 5:11PM2.22m | 5:35AM1.96m | 5:49PM2.16m | 6:18AM1.92m | 6:33PM2.09m | 7:09AM1.89m | 7:26PM2.01m | 8:09AM1.86m | 8:30PM1.95m | 9:18AM1.88m | 9:45PM1.94m | 10:30AM1.96m | 11:01PM1.99m | 11:38AM2.09m | |||||||
Low Tide | 11:26PM0.42m | 11:28AM0.50m | 00:06AM0.45m | 12:12PM0.57m | 00:52AM0.50m | 1:05PM0.64m | 1:47AM0.54m | 2:09PM0.68m | 2:53AM0.56m | 3:25PM0.67m | 4:05AM0.55m | 4:43PM0.58m | 5:15AM0.48m | ||||||||
 |  | | | | | | | | | | | | | | | |  | | | | |
 | — | — | 7:00 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 |
 | 8:57 | — | — | 8:57 | — | — | 8:57 | — | — | 8:57 | — | — | 8:55 | — | — | 8:55 | — | — | 8:55 | — | 8:55 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 22 | 22 | 21 | 23 | 24 | 22 | 25 | 28 | 27 | 28 | 29 | 25 | 23 | 23 | 20 | 20 | 21 | 20 | 21 |
Feels °C | 21 | 22 | 22 | 22 | 21 | 23 | 23 | 21 | 25 | 27 | 24 | 28 | 27 | 24 | 22 | 21 | 19 | 18 | 18 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | NE 7 | NNE 8 | NE 5 | WNW 8 | WNW 8 | NE 6 | NW 10 | WNW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | WNW 8 |
| kJ | 210 | 205 | 123 | 68 | 107 | 34 | 8 | 20 | 14 | 6 | 6 | 61 | 4 | 10 | 14 | 14 | 13 | 12 | 12 | 12 | 7 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 10 | NE 8 | NE 8 | NE 8 | NE 8 | WNW 9 | WNW 8 | N 7 | NNW 9 | NNW 8 | WNW 7 | NW 7 | NW 7 | W 7 | — | — | N 14 | N 13 | NW 12 | WNW 7 |
| kJ | 30 | 25 | 35 | 23 | 21 | 15 | 15 | 7 | 9 | 8 | 7 | 5 | 2 | 2 | 1 | — | — | 4 | 3 | 6 | 4 |
Swell 3 Height (m) Direction Period (s) | NE 8 | NE 9 | NW 9 | NW 9 | NW 9 | WNW 9 | NNW 10 | NNW 10 | WNW 8 | — | N 7 | N 8 | — | — | W 7 | — | — | — | — | — | NW 11 |
| kJ | 18 | 19 | 23 | 21 | 20 | 15 | 10 | 10 | 6 | — | 1 | 1 | — | — | 1 | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 3 | — | N 4 | N 8 | N 5 | N 5 | NNE 5 | NNE 5 | — | NNE 6 | NNE 6 | NNE 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 |
| kJ | — | — | — | 4 | — | 18 | 102 | 36 | 23 | 40 | 40 | — | 62 | 77 | 74 | 77 | 105 | 120 | 83 | 77 | 50 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 10 | 10 | 17 | 16 | 259 | 259 | 231 | 231 | 331 | 1448 | 392 | 14 | 314 | 397 | 330 | 330 | 326 | 256 | 256 | 251 | 251 |
Best forecast wave conditions in Lanzarote | |||||||||||||||||||||
Best forecast wave conditions in Spain (Africa) | |||||||||||||||||||||
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Information about the San Juan Surf forecast
The above surf forecast table for 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 San Juan can be found by selecting the local surf guide option on the grey menu. Our 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 (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 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.
San Juan is 8 km (5 miles) from Teguise. If you plan a holiday in Lanzarote, look for hotels and other accommodation in Teguise. Teguise has rooms for a wide range of budgets as well as car hire and transport links.
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