Mexico · Central America
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Costa Azul is the surf hub at the southern tip of Baja California, with Zippers being the primary break. A fast, punchy right-hand point break peeling over volcanic rock shelves and cobblestones, Zippers produces steep, powerful walls that reward aggressive shortboarding. The desert landscape of cacti and arid mountains plunging into warm Pacific waters creates a dramatic setting. The break sits just outside the resort sprawl of Los Cabos, accessible yet retaining its raw wave quality.
Summer and autumn (June-October) deliver the best conditions when long-period southerly groundswells generated in the Southern Hemisphere push up into the Sea of Cortez. Hurricane swells from August to October can produce exceptional size and power. North-westerly winds blow offshore at Zippers, most reliable in the early mornings. Winter brings occasional north-west swells but the primary season is the southern hemisphere summer.
At Zippers, the take-off zone is concentrated where the swell hits the rock shelf at the top of the point. The right peels for 50-100 metres along the rocky bottom with a steep, fast wall. The Rock, slightly further south, offers a longer, mellower ride on bigger swells. Position yourself on the outside of the boil at Zippers and commit to the steep drop immediately.
The rock bottom at Zippers is shallow and uneven, with exposed boulders on the inside at lower tides. Falls near the take-off zone put you onto volcanic rock. Stingrays inhabit the sandy patches between rocks. The crowd at Zippers is intense and the competition for waves is fierce. Strong currents can develop on larger swells.
A dirt car park sits directly above Costa Azul beach, accessed from the highway. The walk to the waterline is short and easy across sand. Several surf shops and restaurants line the road above. The break is visible from the highway, making conditions easy to check before committing.
Zippers is heavily crowded, particularly during peak season. Los Cabos attracts both travelling surfers and a large local community. The take-off zone is concentrated and 20-30 surfers fighting for waves is standard. The local crew is experienced and assertive. Early morning dawn patrol or later afternoon sessions after the midday crowd disperses offer better ratios.
The wave gets hollow and fast on a dropping tide as the rocks become shallower. Time your session for the first two hours of the outgoing tide for maximum power. A standard performance shortboard works well here. If Zippers is too crowded or too powerful, The Rock handles bigger swell with a more forgiving face. The water is warm (24-28C) so board shorts suffice from May through November. Winter mornings can be surprisingly cool with offshore winds, making a springsuit worthwhile.
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Based on historical weekly averages
Combining historical conditions with school holiday crowd pressure to find the sweet spot.
How busy each week is based on school holiday overlap from feeder markets.
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 29 days of logged conditions.
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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 San José del Cabo. The delta tells you whether conditions are shaping up better, worse, or about the same as a typical mid-June.
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 San José del Cabo is the week of 30 November (score 3/5) with low crowds.
Decent swell running. Plenty to work with. Reasonable period putting some grunt behind each wave. Onshore wind making a mess of the surface. Best conditions early morning before the sea breeze arrives.
Heads up: jellyfish: peak season, and rip risk elevated.
Indicators derived from forecast data, not official warnings. Always check local lifeguard or official advice.
Crystal clear water: ~24m visibility
Daily scores over the last 12 months at San José del Cabo