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Isabell Schulz CC BY-SA 4.0 Wikimedia Commons

Lake Merced

Lake

Urban freshwater lake in southwest San Francisco near Ocean Beach and the zoo; frequented for walking trails, birdwatching and nearby golf and parks.

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In this guide

Lake Merced essentials

Address: Lake Merced, San Francisco, CA - near Sloat Boulevard and Skyline Boulevard
Website: sfrecpark.org
Hours: Open 24 hours
Admission: Free

About Lake Merced

Lake Merced is a freshwater lake in the southwestern quadrant of the City and County of San Francisco, California. It is one of the city’s principal natural waterbodies and is surrounded by parks, golf courses and residential areas.

The lake is used for fishing, running and shoreline walks, and serves as an urban green space within San Francisco. Visitors commonly combine a lake visit with nearby attractions such as the San Francisco Zoo and coastal parks.

The lake is a natural feature that has been managed within the city’s open-space and recreation plans; shoreline areas include trails and managed greenbelt spaces. Its urban setting means access is by city roads and local transit.

Geographically it sits in southwestern San Francisco, a short distance inland from the Pacific Ocean, bordered by the Sunset District and city open-space areas.

  • Nearby attractions: Located in the southwestern part of San Francisco, the lake sits adjacent to the San Francisco Zoo, the Lake Merced Golf Club and is close to coastal parks such as Fort Funston.
  • Recreation: The area offers shoreline trails and birdwatching; parts of the lake and its surroundings are managed for open space and recreation within the city limits.
Things to Do
When to Go

Best Time to Visit Lake Merced

Spring and autumn usually deliver the best combination of bird activity, manageable winds and agreeable temperatures.

Spring-early summer
April-June · 10-18°C (50-65°F)
Mild temperatures and migrating birds make the shoreline lively.
Autumn
September-November · 12-20°C (54-68°F)
Clearer skies and calmer winds; good for long walks and photography.

Weather & Climate near Lake Merced

Climate

Lake Merced's climate is classified as Warm-Summer Mediterranean - Warm-Summer Mediterranean climate with mild summers (peaking in September) and cool winters (coldest in January). Temperatures range from 7°C to 22°C. Moderate rainfall (801 mm/year) with a pronounced dry season.

Air Quality: AQI 40 Good
Temperature & Rainfall
Temperature Range
22°
Warmest Month
7°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - 7° - 14° 11° 165 mm - - 3.8 m/s - -
February - 8° - 16° 12° 140 mm - - 4.1 m/s - -
March - 8° - 17° 12° 121 mm - - 4.5 m/s - -
April - 9° - 18° 13° 49 mm - - 4.8 m/s - -
May - 10° - 19° 14° 18 mm - - 5.0 m/s - -
June - 11° - 20° 15° 5 mm - - 5.0 m/s - -
July - 11° - 21° 16° 3 mm - - 4.6 m/s - -
August - 12° - 21° 16° 3 mm - - 4.3 m/s - -
September - 12° - 22° 17° 11 mm - - 3.9 m/s - -
October - 11° - 21° 16° 48 mm - - 3.7 m/s - -
November - 9° - 18° 13° 109 mm - - 3.7 m/s - -
December - 7° - 15° 11° 129 mm - - 3.8 m/s - -
Getting There & Around

How to Get to Lake Merced

By car: access via Lake Merced Boulevard or John Muir Drive off Sloat Boulevard. Public transit: MUNI bus routes (e.g., 23, 48) connect the lake area to central San Francisco.

Tips for Visiting Lake Merced

  • For birdwatching and calm waters, arrive early at Lake Merced's northern lakeshore near John Muir Drive.
  • If planning to fish, check California Department of Fish and Wildlife regulations and local posting for permitted spots.
  • Use the parking areas along Lake Merced Boulevard to access walking trails; some stretches are part of San Francisco's protected greenbelt.