San Diego County, California
Here's how the next 5 days are shaping up at Oceanside Harbor, 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.
Sat, May 16: 2–3ft, 15s period, rated Fair. Early morning is your best window — 2-3ft waves on SW swell at 12s with glassy conditions. Wind fills in through the day, pushing up to 10mph from the WSW and dropping conditions to poor - fair.
Sun, May 17: 2–3ft, 14s period, rated Poor - Fair. A slow one — 2-3ft waves and poor - fair conditions with 8mph from the SSE.
Mon, May 18: 3–4ft, 15s period, rated Poor - Fair. Late morning into early afternoon looks best — 3-4ft with moderate S wind around 7mph. Morning is a bit bumpy but things clean up by late morning.
Tue, May 19: 1–2ft, 15s period, rated Poor. Pretty quiet out there — 1-2ft and mostly poor with barely a breath of wind. Winds do pick up a bit by the afternoon to 11mph.
Wed, May 20: 1–2ft, 14s period, rated Poor. A slow one — 1-2ft waves and poor conditions with glassy conditions. Winds do pick up a bit by the afternoon to 10mph.
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Oceanside Harbor offers a sheltered beach break protected by the harbor jetties, making it an ideal spot for beginners looking to escape larger ocean swells. The sandy bottom provides forgiving conditions with consistent peaks that work best during fall and winter swell season. The jetty setup creates a natural funnel for southwest swells.
Wave heights shown are breaking wave heights — the actual rideable wave size at this spot.
The current wave height at Oceanside Harbor is 2-3ft with a 14.8s swell period. Wind is S at 4mph 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 Oceanside Harbor is 2-3ft, produced by a 1.6ft SSW primary swell at 15s, a 1.5ft W secondary swell at 10s, a 1.1ft SSW tertiary swell at 12s. 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 Oceanside Harbor is Monday from 8 AM to 11 AM with 4ft waves, a 12.6s swell period, and conditions rated Fair. Check the hourly forecast for updates as conditions can shift.
Oceanside Harbor works best with a SW swell and NE 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 Oceanside Harbor. 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.
Oceanside Harbor is a beach with a sand bottom, suited to beginner surfers. Oceanside Harbor offers a sheltered beach break protected by the harbor jetties, making it an ideal spot for beginners looking to escape larger ocean swells. The sandy bottom provides forgiving conditions with consistent peaks that work best during fall and winter swell season. The jetty setup creates a natural funnel for southwest swells.
The prime season at Oceanside Harbor 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 Oceanside Harbor include pier pilings, harbor traffic, jetty currents. Always check conditions before paddling out, respect local etiquette, and never surf alone if you're unfamiliar with the break.
Our Oceanside Harbor 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. See the forecast accuracy card above for per-spot and regional performance metrics.
