Surf forecastStatisticsHistorical report

Sandy Hook seasonal overview

Best Surf Season (November - February)

The heart of the North Atlantic storm track delivers consistent, powerful swell to Sandy Hook during the late fall and winter months. With average wave heights holding steady around 1.3m and periods frequently pushing into the 7-9s range, these months offer the most reliable combination of size and punch. The predominant wind regime shifts favorably, with west and southwest winds blowing offshore across the beach more than 40% of the time, grooming the lines from the NNE to E swell windows. Deep low-pressure systems spinning off the coast generate long-period groundswell that wraps into the Jersey Shore, making for some of the most exciting surf of the year. Despite the cooler temps, this is the prime window for quality waves at Sandy Hook.

Fair Surf Season (March - April & September - October)

Transitional months bring a mix of leftover winter energy and early season systems. March and April see average heights around 1.2-1.3m with periods in the 7-8s range, but offshore wind percentages dip slightly. September and October benefit from lingering summer warmth and the first autumn cold fronts, which can energize the sea state. Swell directions become more variable, with a higher proportion of E and SE windswell. Still, favorable wind windows exist, and when a solid low organizes offshore, these months can produce excellent sessions.

Low Surf Season (May - August)

Summer brings a pronounced drop in average swell height, falling to just 0.8-1.0m, with periods often in the 6-7s range – typical of local windswell. While the percentage of offshore wind (from SSW through W) peaks above 55% from June to August, the available swell lacks power and size. The dominant swell directions shift to the southeast and south, which are less efficient for Sandy Hook's ENE-facing beach. Occasional tropical storms or hurricanes spinning up the coast can provide rare summer swells, but these are the exception. For consistent surf, the winter months are the clear winner.

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Conditions at Sandy Hook in December

December: Peak Season Kickoff

December delivers an average swell height of 1.3m and a period of 7.1s, tying with January for winter consistency. Swell from the N through E quadrants – the ideal window – makes up over 26% of the total, with significant contributions from WNW (6.6%), NW (6.1%), and NNW (6.7%) also wrapping in from the north. Wind statistics are nearly identical to November, with 42% offshore and strong W (14.1%), WNW (14.0%), and NW (12.2%) winds. This combination of solid E to NE groundswell and clean offshore flow makes December one of the most reliable months for quality surf. Expect pumping barrels and heavy days when the storms align.

Average Spot conditions at Sandy Hook in December

Swell history for December

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for December

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Sandy Hook during December. 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 Sandy Hook for your next trip in December.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Sandy Hook for December. 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 Sandy Hook.

Swell with good wind

Swell with good wind by size