Flagler Beach seasonal overview
Best Surf Season (October – March)
The North Atlantic winter machine fires up in October, delivering a steady diet of medium-period ENE and NE swell to Flagler Beach. Average wave heights hold in the 0.7–0.8 m range with periods climbing toward 8.5 s, offering plenty of rideable, punchy surf. Offshore wind potential peaks during these months as strong cold fronts sweep through the Southeast, shifting winds to the SSW–W quadrant. December and January are the sweet spot, with ideal wind occurring 28–30% of the time—often in the wake of a departing low. When the alignment of a solid NE groundswell and a clean westerly wind comes together, Flagler delivers fun, rippable waves with occasional pumping sets.
Fair Surf Season (April – May & September)
Spring and early fall are transitional periods. April and May see average swell heights drop to 0.6 m and period slip slightly, while the percentage of ideal wind falls to 13–22%. The dominant swell shifts eastward, with E and ESE pulses becoming more common—these are often weaker and more windswell in nature. September offers a promising ramp-up in swell energy (periods near 8.9 s) as early-season hurricanes and nor’easters begin to stir the Atlantic, but the wind is still predominantly onshore from the NE–E, keeping the window for clean conditions narrow. Expect fun, groveling waves on the better days, but patience is required.
Low Surf Season (June – August)
Summer brings the worst of Flagler Beach’s surf year. Average swell height bottoms out at 0.4–0.5 m, and the wave period hovers around 8 s, but 80–90% of the energy arrives from the ESE–SE quadrant—completely unfavorable for this ENExposed beach. The wind is persistently onshore from the E–SE, with ideal offshore flow occurring only 7–8% of the time. The result is small, choppy, messy conditions that are rarely worth the paddle out. Occasional distant hurricane swell can sneak in, but it’s usually too weak or contaminated by local onshore wind. This is the time to focus on gear maintenance or other hobbies until autumn returns.
Loading chart...
Conditions at Flagler Beach in April
April: Spring Lull Begins
April sees a noticeable drop in both quantity and quality. Average swell height falls to 0.6 m at 8.0 s, and ideal wind plummets to 22%. The dominant swell direction is now overwhelmingly E (26.1%) and ESE (20.4%), both of which are poor for Flagler’s ENE orientation—these swells arrive either side of the spot’s window, resulting in shadowed, weak waves. Only NE (12.1%) and ENE (16.4%) offer hope, but they are mostly in the 0–1 m micro to small range. Wind patterns shift: onshore E–ESE flow increases (8.9% and 9.9% respectively), while offshore winds from WSW–W become less frequent. The best chance of a clean session comes when a late-season cold front sweeps through, bringing a brief burst of SW–W wind, but the swell is usually on the decline. Expect groveling conditions at best.
Average Spot conditions at Flagler Beach in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Flagler Beach during April. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Flagler Beach for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Flagler Beach for April. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Flagler Beach.
