Playa Grande seasonal overview
Best Surf Season (November - March)
Playa Grande's prime window is when the North Pacific stirs to life, sending long-period groundswells from the NW to WSW that wrap cleanly into the bay. This coincides with the strengthening of the North American high-pressure system, which pumps in consistent trade winds from the NE and ENE – a perfect offshore for this west-facing beach. Expect fun to solid waves in the 1–2m range with periods averaging 12–13 seconds, often combed by glassy morning conditions. The storm tracks in the Gulf of Alaska are the key; when they align, Playa Grande serves up some of the year's most memorable sessions.
Fair Surf Season (April - May)
As the Pacific jet stream retreats north, the swell window shifts. Southern Hemisphere storms begin to generate long-period energy from the S and SSW, which reaches the coast with impressive 14-second intervals but poor angles for the beach. Waves are usually smaller (0.5–1.5m) and lack the lined-up shape of winter. However, those morning offshores from the east still hold strong, making for clean but lackluster conditions. This transitional period is more suited to longboards and fun-sized logs when the combo of swell and wind aligns just right.
Low Surf Season (June - October)
The heart of the rainy season sees wind patterns become erratic. While the percentage of ideal offshore winds remains surprisingly high – especially in July (81%) – the swell is almost entirely dominated by distant Southern Ocean storms producing SSW to SW swells. With the beach facing west, these swells arrive at a deep angle, resulting in weak, crumbly waves rarely reaching over 1.5m. The wave period still holds in the 13-second range, but the poor direction means the waves rarely stand up for a decent ride. This is the season to chase southern corners elsewhere or simply wait for the first barrel of the following winter.
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Conditions at Playa Grande in December
December: Peak Season Firing
December is a classic month. Wind ideal holds at 75%, with the trade winds at their strongest: NE (50.7%) and ENE (29.2%) dominate, often blowing 20–30kph but providing clean offshore conditions in the morning. Swell direction sees a healthy spread: NNE (10.3%), NE (13.6%), S (13.2%), and a notable increase in the optimal NW–WSW quadrant (WSW 2.6%, W 1.7%, WNW 1.0%, NW 0.9%, total 6.2%). Average period is 12.0s, and wave height 1.3m. Expect plenty of 1–1.5m fun waves, with occasional 1.5–2m sets when a strong NW groundswell arrives. The consistency of both swell and wind makes December one of the most reliable months for great surf at Playa Grande.
Average Spot conditions at Playa Grande in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Playa Grande 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 Playa Grande for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Playa Grande 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 Playa Grande.
