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Pease Bay • Statistics for December

Conditions at Pease Bay in December

December: Winter Solstice Swell

December closes the year with similar stats to November: 5ft (1.5m) average swell, 6.3s period. The N/NE/ENE quadrants contribute around 22% of the wave spectrum, with ENE and NNE both delivering pulses in the 3-6.5ft (1-2m) range. Longer-period groundswell is still not the norm, but winter solstice storms bring occasional 10s-plus swell from the N/NE quadrant that light up Pease Bay perfectly. The main risk is wind: strong WSW and W gales occur throughout the month, and offshore S/SW winds appear 13% of the time.

At SST 8.4°C and air 5.2°C, with frost possible inland, it is full winter conditions. Precipitation is frequent at 2.34 mm/day, and storm windows can be short-lived. When a high pressure ridge builds behind a front, the drop in wind speed combined with lingering N/NE swell makes for some of the best, chilliest surf of the season. December is a wildcard, but it can be excellent.

Average Spot conditions at Pease Bay in December

Swell history for December

0 - 2
2 - 3
3 - 5
5 - 6
6 - 8
> 8 ft

Wind history for December

0 - 6.2
6.3 - 12.4
12.4 - 18.6
18.6 - 24.9
24.9 - 31.1
> 31.1 mph

Swell quality

Analyze the groundswell consistency at Pease Bay 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 Pease Bay for your next trip in December.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Pease Bay 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 Pease Bay.

Swell with good wind

Swell with good wind by size

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