Map
San Juan
Today's Surf Conditions at San Juan
Spot Conditions Map
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Today's Surf & Wind Forecast (Hourly)
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Spot Overview & Description
San Juan sits just east of La Santa, a classic left-hand reef break that serves up quality, pitching walls over a rocky bottom. The wave demands respect—mid to high tide is your window to navigate the reef's hidden hazards, while a big swell can turn this lineup into a serious challenge. Prepare accordingly. Waves here typically run chest to overhead, around 1 to 2 meters, with the best action coming from north, north-northwest, and north-northeast swells. It handles swell sizes from about 1 meter (3 feet) up to 2 meters (6 feet) and prefers southeast to southwest winds. The result is a fast, hollow left that rewards intermediate to expert surfers with long, rippable walls. Early mornings are prime—light winds and thinner crowds before the trade winds fill in. Access is straightforward, but expect company during peak hours. A strong local presence is part of the vibe, so bring respect and a good attitude. Board choice is flexible: shortboard, funboard, longboard, fish, or even a bodyboard can work depending on conditions. Autumn and winter deliver the most consistent swells, so keep a close eye on the forecast to time your session right.
Best Surf Season & Climatology
Best Surf Season (May & September - October)
During these months, the percentage of offshore or light wind conditions peaks, offering the cleanest surfaces despite the small easterly swell. The average wave height hovers around 0.7-0.8m with periods of 5.9-6.1s, making for fun, groveling conditions on log-style equipment. Although the swell direction remains unfavorably from the east, the lighter winds allow for a decent rideable wave, especially at mid-tide.
Fair Surf Season (November - April)
Winter and early spring bring slightly larger average swell heights (0.8-0.9m) thanks to distant North Atlantic storms, but the dominant easterly wind regime often kicks up onshore chop. Only about 20-25% of the time do we get favorable winds, making it a gamble. The infrequent cold front passage can deliver a brief window of north-northwest swell and southerly offshore winds, but those days are rare and require careful timing.
Low Surf Season (June - August)
Summer sees the strongest easterly trade winds, blowing directly onshore and creating bumpy, messy conditions. Swell remains small (0.8-0.9m) and dominated by short-period easterly energy. With ideal wind percentages dropping to 18-22% in July and August, this is the slowest period for quality surf. June offers a slight uptick in favorable wind, but overall it's a time for small waves and wind protection strategies.
Detailed Surf Information for San Juan
Detailed Surf Forecast
Access our detailed 8-day swell and wind forecast charts for San Juan with tidal graphs, period ranges, and daily forecast text summaries.
Swell & Wind Statistics
Explore historical swell consistency, wave heights, and offshore wind windows month-by-month, compiled from over 40 years of data.
Historical Surf Report
Browse the historical database archives to view past wave reports and understand spot climatology during specific years and months.
