Massachusetts
Best window·Thursday 6AM–9AM·3ft·Fair
Here's how the next 5 days are shaping up at South Beach State Park, Massachusetts. Each day is rated based on breaking wave height, swell period, and wind — updated hourly from the latest NOAA GFS run.
Wed, Jun 24: 1–2ft, 7s period, rated Poor. Pretty quiet out there — 1-2ft and mostly poor with barely a breath of wind.
Thu, Jun 25: 2–2ft, 8s period, rated Poor. Get out early for the best of it — 2-3ft waves on S swell at 8s and calm winds. Wind fills in through the day, pushing up to 10mph from the SSW and dropping conditions to poor.
Fri, Jun 26: 1–2ft, 7s period, rated Poor. Not the most exciting day — 1ft and poor conditions with 8mph SSW winds. Winds do pick up a bit by the afternoon to 13mph.
Sat, Jun 27: 1–1ft, 6s period, rated Poor. Slim pickings today — 1ft and poor with light W winds.
Sun, Jun 28: 1–1ft, 7s period, rated Poor. Not the most exciting day — 1ft and poor conditions with moderate NNE wind around 7mph.
South Beach State Park in Yarmouth offers a sandy beach break with consistent, mellow waves ideal for learning and progression. Protected by Cape Cod's natural geography, this sheltered stretch receives moderate swell from nor'easters and autumn storms, delivering waist-to-shoulder-high peaks. The wide sandy bottom provides a forgiving learning environment with multiple peaks that can handle crowds while maintaining quality.
Wave heights shown are breaking wave heights — the actual rideable wave size at this spot.
The current wave height at South Beach State Park is 1ft with a 6.6s swell period. Wind is SW at 7mph 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 South Beach State Park is 1ft, produced by a 1.6ft S primary swell at 7s, a 1.8ft SW wind swell swell at 3s. 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 South Beach State Park is Thursday from 6 AM to 9 AM with 3ft waves, a 7.8s swell period, and conditions rated Fair. Check the hourly forecast for updates as conditions can shift.
South Beach State Park works best with a NE swell and SW 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 South Beach State Park. 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.
South Beach State Park is a beach with a sand bottom, suited to beginner surfers. South Beach State Park in Yarmouth offers a sandy beach break with consistent, mellow waves ideal for learning and progression. Protected by Cape Cod's natural geography, this sheltered stretch receives moderate swell from nor'easters and autumn storms, delivering waist-to-shoulder-high peaks. The wide sandy bottom provides a forgiving learning environment with multiple peaks that can handle crowds while maintaining quality.
The prime season at South Beach State Park 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 South Beach State Park include strong shore break during high swell, seasonal currents, crowded beach access during summer. Always check conditions before paddling out, respect local etiquette, and never surf alone if you're unfamiliar with the break.
Our South Beach State Park 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.
