United States · North America
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Ocean Beach San Francisco is one of the heaviest beach breaks in the world, producing thick, powerful barrels over shifting sandbars influenced by the massive tidal flow from the Golden Gate. When major North Pacific winter swells arrive, the wave transforms into a slab-like shorebreak that rivals reef breaks in intensity. The freezing water, dense fog, powerful currents, and shark-rich environment make this an unforgiving arena. This is urban big-wave surfing at its most extreme.
North-westerly winter groundswells from October through March deliver the most powerful conditions. The wave needs at least 4ft of swell to produce quality peaks, with 8-15ft days creating world-class barrels. Easterly offshore winds provide clean conditions but are rare; light onshore days can still produce rideable waves due to the sheer power of the swell. Dawn glass-offs offer the most consistent clean window.
The peaks shift constantly across the miles-long beach. The VFW's section, Kelly's Cove, and various numbered streets each have reputations for producing quality banks. The sandbars form and disappear unpredictably. Study the water from the Great Highway for 20 minutes before committing; look for the channels between bars that indicate where peaks will form.
The paddle-out is notoriously brutal, often taking 20-30 minutes through multiple rows of whitewater. Severe rip currents sweep along the beach and out to sea. The water is freezing (9-12C). Great white sharks inhabit the area. Multi-wave hold-downs on bigger days are common and dangerous. The shifting peaks close out without warning. This is genuinely life-threatening surfing on the biggest days.
Street parking along the Great Highway or in the adjacent car parks. The beach is immediately accessible from the road. No facilities at beach level. The Sunset district behind the beach has services. The wave is visible from the road, making condition checks easy.
Ocean Beach has a small but fiercely dedicated community of heavy-water specialists. The demanding paddle-out, cold water, and powerful waves naturally limit numbers. On good days, expect 20-40 experienced surfers spread across the peaks. The standard is very high. Dawn patrol is the culturally preferred session time.
The paddle-out is the crux. Fitness is everything. If you cannot paddle hard for 30 minutes without rest, you are not ready for Ocean Beach. A thick wetsuit (5/4mm with hood, boots, gloves) is essential year-round. Bring a step-up board for anything over 6ft. The Golden Gate tidal flow affects the currents dramatically; check the tide tables. Low tide produces the hollowest, most dangerous conditions. Mid-tide incoming is the safest window for quality waves.
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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 28 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 Ocean Beach SF. 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 Ocean Beach SF is the week of 30 November (score 3/5) with low crowds.
Flat as a lake. Save your energy for another day. Long-period energy means powerful, well-spaced sets. Onshore chop spoiling the lineup. Best conditions early morning before the sea breeze arrives. Not enough swell to get this spot firing properly.
Heads up: rip risk elevated.
Indicators derived from forecast data, not official warnings. Always check local lifeguard or official advice.
Reduced water clarity: ~2m visibility
Elevated phytoplankton detected, possible algal bloom
High sediment levels, possible runoff or storm disturbance
Daily scores over the last 12 months at Ocean Beach SF