Overview

Alta Lake is Whistler's historic lake, located just south of Green Lake in the Sea-to-Sky corridor. It's the oldest and most popular lake in Whistler, surrounded by parks and trails. The southerly thermal wind develops in the afternoon, channelled by the valley. Several public access points including Rainbow Park and Lakeside Park.

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Spot forecast for Alta Lake

Sunrise 07:42 · Sunset 18:10

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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

Alta Lake: 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

9h

in March · 2 rideable days

The season runs from March to May, peaking in March: 1 rideable days a month and 9 hours of usable wind, at 9 °C. The low point is June, at 0 days.

Rideable days per month

Wind strength when it is rideable

7-12 knots · 98%13-20 knots · 4%

When the spot works, wind sits mostly between 7 and 12 knots — 98% of rideable hours. Big-kite territory. The coldest month is February, at 2 °C. The wettest month is December, with 262 mm.

Monthly averages: Alta Lake

Monthly averages — Alta Lake — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	0.5	3 h	3 °C	89 mm
February	0.5	3 h	2 °C	85 mm
March	2.0	9 h	6 °C	113 mm
April	1.0	6 h	9 °C	82 mm
May	1.0	6 h	13 °C	72 mm
June	0.0	1 h	17 °C	33 mm
July	0.0	1 h	24 °C	14 mm
August	0.0	1 h	23 °C	53 mm
September	0.5	3 h	19 °C	55 mm
October	1.0	6 h	9 °C	161 mm
November	0.0	3 h	4 °C	163 mm
December	1.0	6 h	4 °C	262 mm

Photo gallery of Alta Lake

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Technical details of Alta Lake spot

The spot works with winds from N, NNE, SSE, S, SSW, NNW.

Rideable Not rideable

Spot opening date · Required level

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

On the water

Fresh water. Flat to slightly choppy. The lake is about 2.5 km long — moderate fetch along the N-S axis. Sand and mud bottom. Cold water (13-20°C in summer). Moderate depth. More sheltered conditions than Squamish.

Hazards

Heavy traffic in summer: canoes, kayaks, paddleboards, swimmers. Gusty wind in the mountain corridor. Cold water — wetsuit recommended. The lake is popular and space can be limited on nice days.

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WHISTLER - NESTERS2.3 kmsource Environment Canada

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Additional stations

Whistler3.8 km

Readings reserved for Premium members
source Environment Canada
CALLAGHAN VALLEY11.8 km

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source Environment Canada

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Webcams near Alta Lake

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Nearby spots

All spots: Colombie-Britannique

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Alta Lake kitesurf and wingfoil spot