Costa Rica · Central America
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Create Profile →Current conditions refresh every 3 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.
We compare the 7-day forecast to the last 5 years of marine data for the same week at Playa Hermosa. The delta tells you whether conditions are shaping up better, worse, or about the same as a typical early July.
We score each day of the 7-day forecast using the same algorithm as the leaderboard, and highlight the highest scorer.
Open-Meteo's Marine API (swell height, period, water temperature) and Weather API (wind and conditions).
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.
The best week for surf at Playa Hermosa is the week of 9 November (score 3/5) with low crowds.
Moderate swell providing fun waves for a session. Mid-period swell giving the waves decent shape and push. Slight cross-shore ripple. Nothing to worry about.
Heads up: thunderstorms forecast, and jellyfish: peak season.
Indicators derived from forecast data, not official warnings. Always check local lifeguard or official advice.
The air here is 55% cleaner than the average comparison city right now.
Noticeably cleaner air than a typical city. Good conditions for prolonged outdoor activity.
Not a pollutant. Ozone is naturally higher at altitude and near the coast, and lower in cities where traffic exhaust breaks it down. High readings here typically indicate clean air. Can cause short-term airway irritation during intense exercise but is not linked to the long-term health risks of particulate pollution.
Additive health score: each pollutant contributes points relative to its WHO 2021 guideline and long-term health impact (PM2.5 9, NO₂ 5, O₃ 3, PM10 2, SO₂ 1 at WHO limits). Data via Open-Meteo. City markers show live readings. Red line marks the WHO guideline. Updated 03:00
Good water clarity: ~13m visibility
This guide was generated from conditions data. Know this spot? Submit your own tips below.
Playa Hermosa (south of Jaco) is Costa Rica's heaviest beach break, producing thick, powerful barrels over steep volcanic sandbanks. The wave breaks close to shore with extraordinary force, pitching top-to-bottom in a manner more reminiscent of a shallow reef than a sandy beach. The dark sand, powerful waves, and committed local crew create an atmosphere distinctly more serious than the surrounding tourist beaches. This is where Costa Rica's best surfers train.
South-westerly Pacific groundswells from April through October deliver the most powerful conditions. The wave needs at least 4ft to barrel, with 6-10ft days producing world-class tubes. North-easterly offshore winds hold the lips open, most reliable at dawn. The dry season (December-April) has smaller but cleaner swells.
The main peaks shift along the beach but the steepest banks produce the heaviest barrels. Look for where the sand gradient is steepest (visible as a darker band of deeper water immediately offshore). The take-off is steep, fast, and immediately tubular. Position just beyond the impact zone where the sets first stand up.
The wave breaks with extreme force in shallow water. The dark, compacted volcanic sand is hard on impact. Hold-downs drive you into the bottom. The close-to-shore break creates a powerful shore dump that has caused injuries. Strong rip currents develop between the peaks. Board breakage is common on bigger days.
Parking along the coastal road. The beach is immediately accessible. Basic facilities nearby. Jaco (10-minute drive north) has full services. Accommodation ranging from surf hostels to hotels lines the road.
Playa Hermosa draws Costa Rica's most experienced surfers and visiting heavy-water enthusiasts. Expect 15-25 surfers on good days. The standard is high and the crowd is assertive. The heavy conditions naturally limit numbers. Dawn patrol is the cultural norm.
The wave is significantly heavier than it looks from the road. Walk the beach and study the banks before paddling out. The best barrels form on a dropping mid-tide when the steep banks are most exposed. A strong shortboard with extra rocker handles the vertical drops. The wave punishes hesitation; commit fully to the take-off or pull back. There is no middle ground here.
Surf at Playa Hermosa
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Daily scores over the last 12 months at Playa Hermosa
Based on historical weekly averages
Conditions at Playa Hermosa tend to be best between 06:00 to 09:00 in July.
Average score during this window: 46/100
See timing scores, school holiday busyness, and lift pass pricing to find the best time to book.
View Best Time to Go →Combining historical conditions with school holiday crowd pressure to find the sweet spot.
The timing score combines two signals: historical conditions quality (how good the skiing or surfing typically is in a given week, based on 5 years of weather data) and crowd pressure (how many of this destination's feeder markets have school holidays that week).
Crowd pressure is weighted by each feeder country's share of visitors. If 40% of a resort's visitors come from France and France is on holiday, that contributes 0.40 to the crowd pressure score. Crowds can reduce the timing score by up to 35%, ensuring conditions still matter most.
Scores: 5 = great conditions with low crowds (the sweet spot). 4 = great conditions with moderate crowds, or good conditions with low crowds. 3 = average. 2 = below average conditions or very crowded. 1 = poor conditions or peak holiday chaos.
Last 31 days of logged conditions.
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