San Diego County, California
Best window·Saturday 6AM–9AM·4ft·Fair - Good
Here's how the next 5 days are shaping up at Trestles, San Diego County, California. Each day is rated based on breaking wave height, swell period, and wind — updated hourly from the latest NOAA GFS run.
Tue, Jun 30: 3–5ft, 18s period, rated Poor - Fair. Dawn patrol is the move — 3-5ft on SSW swell at 14s with calm winds. The W wind kicks in by afternoon — 11mph and poor - fair by then.
Wed, Jul 1: 3–5ft, 18s period, rated Fair. First light looks cleanest — 3-5ft on SSW swell at 14s with light S winds. Onshore flow builds through the day to 9mph, bringing conditions down to poor - fair.
Thu, Jul 2: 4–6ft, 18s period, rated Poor - Fair. Early morning is your best window — 3-5ft waves on SSW swell at 16s with glassy conditions. Wind fills in through the day, pushing up to 10mph from the W and dropping conditions to poor - fair.
Fri, Jul 3: 4–6ft, 18s period, rated Poor - Fair. Early morning is your best window — 4-6ft waves on SSW swell at 17s with calm winds. Onshore flow builds through the day to 9mph, bringing conditions down to poor - fair.
Sat, Jul 4: 3–5ft, 16s period, rated Poor - Fair. First light looks cleanest — 3-5ft on SSW swell at 15s with barely a breath of wind. The W wind kicks in by afternoon — 11mph and poor - fair by then.
Lower Trestles is one of the best waves in the world — a cobblestone point break that produces both rights and lefts off a perfectly defined peak. Selected as the 2028 LA Olympics surfing venue and longtime WSL Championship Tour stop. The wave is rippable and consistent but the crowd and competition-level lineup make it effectively advanced. The 15-minute walk from the parking lot is the only thing keeping numbers in check.
Wave heights shown are breaking wave heights — the actual rideable wave size at this spot.
The current wave height at Trestles is 3-5ft with a 14.25s swell period. Wind is SW at 7mph and conditions are rated Fair. The forecast updates hourly so you can plan your session around the cleanest windows.
The current breaking wave height at Trestles is 3-5ft, produced by a 1.2ft SSW primary swell at 14s, a 1ft WSW secondary swell at 5s, a 0.9ft S tertiary swell at 10s. Breaking wave height is the actual rideable wave size at the shore — calculated from offshore swell data using this spot's coastal bathymetry — not the raw buoy reading.
Based on the current 5-day forecast, the best window to surf Trestles is Saturday from 6 AM to 9 AM with 4ft waves, a 15.25s swell period, and conditions rated Fair - Good. Check the hourly forecast for updates as conditions can shift.
Trestles works best with a SSW swell and ENE winds. Offshore winds groom the face of the wave, while onshore winds turn it sloppy. Cross-offshore conditions usually produce the cleanest shape.
Tide plays a big role at Trestles. Mid tide works for most beach breaks, while reef and point breaks often prefer higher or lower stages. Use the tide chart above to line up your session with the swell peak.
Trestles is a point with a cobblestone bottom, suited to advanced surfers. Lower Trestles is one of the best waves in the world — a cobblestone point break that produces both rights and lefts off a perfectly defined peak. Selected as the 2028 LA Olympics surfing venue and longtime WSL Championship Tour stop. The wave is rippable and consistent but the crowd and competition-level lineup make it effectively advanced. The 15-minute walk from the parking lot is the only thing keeping numbers in check.
The prime season at Trestles is fall, when swell direction, wind patterns, and water temps line up most consistently. Outside the peak season you can still score, but you'll need to watch the forecast closely for the right windows.
Common hazards at Trestles include extreme crowds, high-performance lineup, cobblestone bottom, long walk in. Always check conditions before paddling out, respect local etiquette, and never surf alone if you're unfamiliar with the break.
Our Trestles forecast uses NOAA GFS and other weather models combined with spot-specific bathymetry to calculate breaking wave heights. Short-range (1-3 day) forecasts are most reliable. Extended forecasts show general trends. Visit /public/accuracy for per-spot and regional performance metrics.
