La Union (San Juan)
Philippines · Indo-Pacific
Right now
Rain showersWind and swell direction
Swell: 0.3m WNW
Wind: 15 km/h SSW (cross-onshore)
Beach faces: W
Cross-onshore wind. Wave faces are getting chopped up, conditions are average.
Swell is arriving at a great angle for this beach.
Today hour by hour
Updated 08:36Expected crowds
Prediction model v15amDawn patrol territory
7amMidweek quiet
Next 7 days
Forecast via Open-MeteoWhat to pack
- Small waves expected. Longboard or fish to make the most of it.
- Boardshorts weather. 30°C water.
- Rain jacket for between sessions.
Today's briefing
0.5m swell at 5s on a short period. Moderate winds. Water temperature 29°C.
AI-generated summary for La Union (San Juan). Always check local reports before heading out.
Forecast accuracy at La Union (San Juan)
Not enough data yet. Log a session to help build the accuracy score.
Best time to go
No great windows in the next 2 days
Best available option is Today around 5am (score: 4). Conditions are below the Good threshold but may still be surfable.
Crowd report
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Session journal
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Create free accountTide
Approximate modelBest on mid tide
Swell forecast
7-day forecastDaily score breakdown
This week is looking slightly above average for late April.
Comparing the 7-day forecast to the last 5 years of marine data for the same week at La Union (San Juan).
What's driving it
Recent form
Last 3 days of logged conditions.
About La Union (San Juan)
San Juan in La Union is a highly accessible, gentle beach break situated on the western coastline of Luzon in the Philippines. The seafloor is comprised of a very flat, uniform expanse of dark, compacted volcanic sand. The spot relies heavily on north-easterly wind swells and refracted energy from Pacific typhoons pushing through the South China Sea. A south-easterly offshore wind is necessary to clean the surface texture. Due to the exceptionally shallow bathymetric slope, the waves dissipate their energy long before reaching the shore, manifesting as soft, slow-crumbling faces rather than steep, plunging lips. These highly forgiving mechanics make La Union an idyllic location for beginner surfers and longboarders. The slow-rolling whitewater provides a highly stable platform for mastering pop-ups, whilst the unbroken faces are ideal for learning fundamental trim techniques. It is a low-risk environment free from treacherous reefs, allowing novices to confidently build basic ocean skills.
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Create Profile →Frequently asked questions
How often is this page updated?
Current conditions refresh every 6 hours when the cron runs. Hourly data updates every 30 minutes. The 7-day forecast, luck factor, and packing notes are all pre-computed at the same time.
What is the luck factor?
We compare the 7-day forecast to the last 5 years of marine data for the same week at La Union (San Juan). The delta tells you whether conditions are shaping up better, worse, or about the same as a typical late April.
How is 'best session' picked?
We score each day of the 7-day forecast using the same algorithm as the leaderboard, and highlight the highest scorer.
Where does the data come from?
Open-Meteo's Marine API (swell height, period, water temperature) and Weather API (wind and conditions).
Does the score capture local knowledge?
Honestly, no. Every break has tide windows, swell directions and reef contours that a global model cannot see. Treat the score as a starting point, then check a local cam.
When is the best time to surf La Union (San Juan)?
Check our timing score heatmap above for a week-by-week breakdown combining surf conditions with crowd pressure.