Overview

Boulder Reservoir is a popular body of water in Boulder, on the Colorado Front Range at 1,578m altitude. Well-known kitesurf spot among the local community with excellent exposure to Chinook winds descending from the Rockies. Panoramic views of the Flatirons and the Continental Divide.

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Spot forecast for Boulder Reservoir

Sunrise 07:17 · Sunset 18:14

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< 7 kn7–12 kn13–20 kn21–30 kn31–40 kn41+ kn Gusts Your minimum: 7 kn

Forecasts provided by Open-Meteo

Boulder Reservoir: when to go?

Rideable days and hours computed for a minimum wind of 7 knots · log in to set your own (foil, twin-tip…)

Season · peak

83h

in April · 12.5 rideable days

The season runs from March to July, peaking in April: 10 rideable days a month and 83 hours of usable wind, at 22 °C. The low point is September, at 3.5 days.

Rideable days per month

Wind strength when it is rideable

7-12 knots · 56%13-20 knots · 31%21-30 knots · 9%31+ knots · 3%

When the spot works, wind sits mostly between 7 and 12 knots — 56% of rideable hours. Big-kite territory. The coldest month is January, at 4 °C. The wettest month is March, with 50 mm.

Monthly averages: Boulder Reservoir

Monthly averages — Boulder Reservoir — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	4.5	27 h	4 °C	15 mm
February	6.0	30 h	8 °C	27 mm
March	10.5	63 h	13 °C	50 mm
April	12.5	83 h	16 °C	46 mm
May	11.0	79 h	20 °C	24 mm
June	7.5	55 h	29 °C	10 mm
July	9.5	40 h	31 °C	28 mm
August	4.5	27 h	30 °C	28 mm
September	3.5	21 h	27 °C	18 mm
October	5.5	32 h	20 °C	6 mm
November	5.0	35 h	13 °C	24 mm
December	8.0	46 h	11 °C	11 mm

Photo gallery of Boulder Reservoir

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Technical details of Boulder Reservoir spot

The spot works with winds from N, S, W, WNW, NW.

Rideable Not rideable

Spot opening date · Required level

Spot opening date: Open all year round
Required level: Intermediate

On the water

Freshwater, moderate-sized reservoir. Cool water even in summer due to altitude. Short chop in sustained westerly winds. Sandy beaches on some sections.

Hazards

Violent afternoon thunderstorms with lightning in summer — leave the water at first signs. Chinook winds can blow in extreme and sudden gusts (100+ km/h). Intense UV at 1,578m. Municipal reservoir — regulations to follow.

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DW0417 Boulder2.6 kmsource noaa

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Additional stations

Boulder Municipal Airport3.8 km

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source noaa
Boulder Municipal Airport Airport3.9 km

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source aviationweather.gov

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Webcams near Boulder Reservoir

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Nearby spots

All spots: Colorado

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Boulder Reservoir kitesurf and wingfoil spot