Northern California
Best window·Thursday 6AM–9AM·3ft·Fair
Here's how the next 5 days are shaping up at Agate Beach, Northern 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: 3–4ft, 9s period, rated Poor. Early morning is your best window — 3-4ft waves on NW swell at 9s with barely a breath of wind. The N wind kicks in by afternoon — 16mph and very poor by then.
Wed, Jul 1: 3–4ft, 9s period, rated Poor. Dawn patrol is the move — 3-4ft on NW swell at 9s with 8mph from the N. The N wind kicks in by afternoon — 16mph and very poor by then.
Thu, Jul 2: 3–4ft, 9s period, rated Fair. Expect 3-4ft all day on NW swell at 8s with calm winds — nothing amazing but surfable. Afternoon breeze fills in to 10mph.
Fri, Jul 3: 2–3ft, 8s period, rated Poor - Fair. Slim pickings today — 2-3ft and poor - fair with barely a breath of wind.
Sat, Jul 4: 2–3ft, 7s period, rated Poor - Fair. A slow one — 2-3ft waves and poor - fair conditions with calm winds. Afternoon breeze fills in to 7mph.
Agate Beach near Patrick's Point in Humboldt County is a powerful, exposed beach break described as "for experts" by local safety assessments, with huge waves, boiling surf, submerged rocks, and icy water. The NW swell exposure produces heavy, unpredictable conditions that demand experience and fitness. The dramatic coastal scenery is stunning but the surf is no joke — strong rip currents and sneaker waves are constant hazards.
Wave heights shown are breaking wave heights — the actual rideable wave size at this spot.
The current wave height at Agate Beach is 3-4ft with a 8.75s swell period. Wind is N at 13mph and conditions are rated Poor. The forecast updates hourly so you can plan your session around the cleanest windows.
The current breaking wave height at Agate Beach is 3-4ft, produced by a 7.3ft NW primary swell at 9s, a 0.6ft SW secondary swell at 14s, a 0.4ft SW tertiary swell at 19s. 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 Agate Beach is Thursday from 6 AM to 9 AM with 3ft waves, a 8.15s swell period, and conditions rated Fair. Check the hourly forecast for updates as conditions can shift.
Agate Beach works best with a NW swell and E 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 Agate Beach. 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.
Agate Beach is a beach with a sand bottom, suited to advanced surfers. Agate Beach near Patrick's Point in Humboldt County is a powerful, exposed beach break described as "for experts" by local safety assessments, with huge waves, boiling surf, submerged rocks, and icy water. The NW swell exposure produces heavy, unpredictable conditions that demand experience and fitness. The dramatic coastal scenery is stunning but the surf is no joke — strong rip currents and sneaker waves are constant hazards.
The prime season at Agate Beach 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 Agate Beach include submerged rocks, strong rip currents, cold water, sharks, sneaker waves, heavy surf, steep drop-offs. Always check conditions before paddling out, respect local etiquette, and never surf alone if you're unfamiliar with the break.
Our Agate Beach 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.
