Question 1

What is the current water temperature at Boulder Lake?

Accepted Answer

The current water temperature at Boulder Lake is 36°F as of Invalid date. This temperature reading is based on our advanced satellite monitoring system and real-time data collection. Water temperature is a crucial factor for fishing success and water activities.

Question 2

How often is the Boulder Lake water temperature updated?

Accepted Answer

Water temperature data for Boulder Lake is updated daily through our satellite monitoring system. The last update was made on Invalid date. We use advanced thermal imaging and surface monitoring technology to provide accurate, real-time temperature readings.

Question 3

What activities are suitable for the current water temperature at Boulder Lake?

Accepted Answer

With the current water temperature of 36°F at Boulder Lake, conditions are best for cold-water fishing and limited water activities. The temperature typically fluctuates 2-3 degrees throughout the day. This data is monitored via satellite and updated regularly to help you plan your lake activities.

Question 4

How good is the fishing at Boulder Lake with the current water temperature?

Accepted Answer

The current water temperature of 36°F at Boulder Lake is suitable for fishing, though fish activity may vary. For best results, fish during early morning or late evening hours when fish are most active. Always check local fishing regulations and licenses before fishing.

Question 5

What is Boulder Lake and what activities are available?

Accepted Answer

Boulder Lake is located in St. Louis County, Minnesota, and is a popular destination for anglers seeking to catch a variety of fish species. The lake spans over 3259 acres and has a shoreline length of 35.08 miles, making it one of the larger lakes in the area. The mean depth of Boulder Lake is 8.1 feet, and the maximum depth is 18 feet, which creates a diverse ecosystem for a range of fish species.

Boulder Lake is home to a wide variety of fish species, including black bullhead, black crappie, bluegill, brown bullhead, burbot, northern pike, pumpkinseed, rock bass, walleye, yellow perch, white sucker, golden shiner, Johnny darter, spottail shiner, and tadpole madtom. Walleye is a popular species among anglers, and Boulder Lake is known for its quality walleye fishing. Northern pike is another popular gamefish in the lake, and they can be found in good numbers.

Anglers can find a range of fishing opportunities on Boulder Lake, from shallow weed beds to deeper areas. During the summer months, the weed beds and shallow flats are productive areas to catch bluegill, pumpkinseed, and crappie. Northern pike and walleye can be caught in both shallow and deeper water, depending on the season and time of day. Anglers should also keep an eye out for schools of baitfish, as predatory species will often be nearby.

In addition to fishing, Boulder Lake offers a range of recreational activities for visitors, including boating, swimming, and hiking. The lake is surrounded by beautiful forests and scenic views, making it a great spot for outdoor enthusiasts. Overall, Boulder Lake is a popular destination for anglers and outdoor enthusiasts seeking a diverse range of fishing opportunities and recreational activities.

Question 6

How big and deep is Boulder Lake?

Accepted Answer

Boulder Lake is a substantial body of water covering 3259.00 acres (5.09 square miles) with a maximum depth of 0.00 meters (0 feet). This size and depth make it ideal for various activities including and water recreation.

Question 7

What are the current conditions at Boulder Lake?

Accepted Answer

Current conditions at Boulder Lake as of May 2, 2025: 
      Water temperature is 36°F, 
      weather is Cloudy, 
      and water clarity is typical for the season. 
      These conditions are regularly updated to help you plan your visit.

Question 8

When is the best time to fish at Boulder Lake?

Accepted Answer

The best fishing times at Boulder Lake vary by season:
      Spring (March-May): Spring fishing at the lake is excellent for Walleye, Northern pike, Yellow perch, Bluegill, Black crappie, Largemouth bass, Smallmouth bass, Bullhead, White sucker, Common carp. Focus on shallow areas warming up first, and use light tackle as fish become more active after winter.
      Summer (June-August): During summer months, fish are most active early morning and late evening. Look for Walleye, Northern pike, Yellow perch, Bluegill, Black crappie, Largemouth bass, Smallmouth bass, Bullhead, White sucker, Common carp in deeper, cooler waters during mid-day.
      Fall (September-November): Fall brings excellent fishing opportunities as Walleye, Northern pike, Yellow perch, Bluegill, Black crappie, Largemouth bass, Smallmouth bass, Bullhead, White sucker, Common carp feed heavily before winter. Focus on areas with falling water temperatures.
      Winter (December-February): Ice fishing is popular during winter months. Target Walleye, Northern pike, Yellow perch, Bluegill, Black crappie, Largemouth bass, Smallmouth bass, Bullhead, White sucker, Common carp in shallower bays and near structure, always ensuring safe ice conditions.
      Additionally, early morning and late evening typically offer the best fishing conditions.

Question 9

What facilities and access points are available at Boulder Lake?

Accepted Answer

Boulder Lake offers the following facilities and amenities:

Please note that some facilities may have seasonal hours or closures. Check current conditions and regulations before your visit.

Question 10

What types of fish can I catch at Boulder Lake?

Accepted Answer

Boulder Lake is home to Walleye, Northern pike, Yellow perch, Bluegill, Black crappie, Largemouth bass, Smallmouth bass, Bullhead, White sucker, Common carp. Each species has specific patterns and preferences that can help you plan your fishing trip effectively.

Question 11

What are the best techniques and times to catch Walleye at Boulder Lake?

Accepted Answer

For Walleye at Boulder Lake:
- Best seasons: Spring, Fall
- Active times: Dawn, Dusk
- Preferred water temperature: 50-70°F
- Typical depth: 10-20 feet in spring, 20-40 feet in summer
- Habitat: Lakes, Rivers, Reservoirs
- Spawning season: Spring

Recommended techniques:
- Fishing methods: Jigging, Bottom bouncing, Trolling
- Effective lures: Jigs, Deep diving crankbaits, Spinner rigs
- Natural bait options: Minnows, Leeches, Nightcrawlers

Tackle recommendations:
- Rod: Medium power rod
- Reel: Spinning reel
- Line: 6-12 lb test

Question 12

What are the best techniques and times to catch Northern pike at Boulder Lake?

Accepted Answer

For Northern pike at Boulder Lake:
- Best seasons: Spring, Fall
- Active times: Morning, Afternoon
- Preferred water temperature: 55-70°F
- Typical depth: 3-12 feet in spring, 10-25 feet in summer
- Habitat: Lakes, Rivers, Marshes
- Spawning season: Early Spring

Recommended techniques:
- Fishing methods: Casting, Trolling
- Effective lures: Spoons, Spinners, Swimbaits
- Natural bait options: Live fish

Tackle recommendations:
- Rod: Medium-heavy to heavy rod
- Reel: Spinning or baitcasting reel
- Line: 20-40 lb test

Question 13

What are the best techniques and times to catch Yellow perch at Boulder Lake?

Accepted Answer

For Yellow perch at Boulder Lake:
- Best seasons: Spring, Winter
- Active times: Morning, Afternoon
- Preferred water temperature: 50-68°F
- Typical depth: 3-12 feet in spring, 10-25 feet in summer
- Habitat: Lakes, Rivers, Ponds
- Spawning season: Spring

Recommended techniques:
- Fishing methods: Vertical jigging, Bobber fishing
- Effective lures: Small jigs, Spoons, Spinnerbaits
- Natural bait options: Minnows, Worms

Tackle recommendations:
- Rod: Ultralight to light power rod
- Reel: Spinning reel
- Line: 2-6 lb test

Question 14

What are the best techniques and times to catch Bluegill at Boulder Lake?

Accepted Answer

For Bluegill at Boulder Lake:
- Best seasons: Spring, Summer
- Active times: Morning, Afternoon
- Preferred water temperature: 69-75°F
- Typical depth: 1-10 feet in spring, 10-20 feet in summer
- Habitat: Lakes, Ponds, Streams
- Spawning season: Late Spring to Early Summer

Recommended techniques:
- Fishing methods: Bobber fishing, Casting
- Effective lures: Small jigs, Spinnerbaits
- Natural bait options: Worms, Crickets

Tackle recommendations:
- Rod: Ultralight power rod
- Reel: Spinning reel
- Line: 2-6 lb test

Question 15

What are the best techniques and times to catch Black crappie at Boulder Lake?

Accepted Answer

For Black crappie at Boulder Lake:
- Best seasons: Spring, Fall
- Active times: Morning, Evening
- Preferred water temperature: 58-68°F
- Typical depth: Shallow in spring, deeper in summer
- Habitat: Lakes, Ponds, Slow-moving rivers
- Spawning season: Spring

Recommended techniques:
- Fishing methods: Vertical jigging, Casting, Bobber fishing
- Effective lures: Small jigs, Soft plastics
- Natural bait options: Minnows, Worms

Tackle recommendations:
- Rod: Light power rod
- Reel: Spinning reel
- Line: 2-6 lb test

Question 16

What are the best techniques and times to catch Largemouth bass at Boulder Lake?

Accepted Answer

For Largemouth bass at Boulder Lake:
- Best seasons: Spring, Fall
- Active times: Dawn, Dusk
- Preferred water temperature: 65-80°F
- Typical depth: Shallow in spring/fall, deeper in summer
- Habitat: Lakes, Ponds, Rivers, Reservoirs
- Spawning season: Late Spring

Recommended techniques:
- Fishing methods: Pitching and flipping, Trolling, Casting
- Effective lures: Plastic worms, Crankbaits, Spinnerbaits
- Natural bait options: Shiners, Frogs, Worms

Tackle recommendations:
- Rod: Medium-heavy power rod
- Reel: Baitcasting reel
- Line: 10-20 lb test

Question 17

What are the best techniques and times to catch Smallmouth bass at Boulder Lake?

Accepted Answer

For Smallmouth bass at Boulder Lake:
- Best seasons: Spring, Fall
- Active times: Morning, Late Afternoon
- Preferred water temperature: 65-75°F
- Typical depth: Shallow in spring/fall, deeper in summer
- Habitat: Streams, Rivers, Lakes, Reservoirs
- Spawning season: Spring

Recommended techniques:
- Fishing methods: Drop shotting, Jigging, Casting
- Effective lures: Jigs, Tube baits, Soft plastics
- Natural bait options: Crayfish, Minnows, Worms

Tackle recommendations:
- Rod: Medium power rod
- Reel: Spinning reel
- Line: 6-15 lb test

Question 18

What are the best techniques and times to catch Bullhead at Boulder Lake?

Accepted Answer

For Bullhead at Boulder Lake:
- Best seasons: Spring, Summer, Fall
- Active times: Night
- Preferred water temperature: 65-80°F
- Typical depth: 3-15 feet
- Habitat: Ponds, Lakes, Slow-moving rivers
- Spawning season: Late Spring

Recommended techniques:
- Fishing methods: Bottom fishing
- Effective lures: Small soft plastics
- Natural bait options: Worms, Cut bait

Tackle recommendations:
- Rod: Medium rod
- Reel: Spinning or baitcasting reel
- Line: 6-12 lb test

Question 19

What are the best techniques and times to catch White sucker at Boulder Lake?

Accepted Answer

For White sucker at Boulder Lake:
- Best seasons: Spring
- Active times: Morning, Evening
- Preferred water temperature: 50-65°F
- Typical depth: 3-15 feet
- Habitat: Streams, Rivers
- Spawning season: Spring

Recommended techniques:
- Fishing methods: Bottom fishing
- Effective lures: Small jigs
- Natural bait options: Worms

Tackle recommendations:
- Rod: Light-medium rod
- Reel: Spinning reel
- Line: 4-8 lb test

Question 20

What are the best techniques and times to catch Common carp at Boulder Lake?

Accepted Answer

For Common carp at Boulder Lake:
- Best seasons: Spring, Summer
- Active times: Morning, Late afternoon
- Preferred water temperature: 65-75°F
- Typical depth: 4-15 feet
- Habitat: Ponds, Rivers, Lakes
- Spawning season: Spring

Recommended techniques:
- Fishing methods: Freeline fishing, Float fishing
- Effective lures: Corn flavored dough baits
- Natural bait options: Corn, Bread, Worms

Tackle recommendations:
- Rod: Medium-heavy rod
- Reel: Spinning reel
- Line: 10-20 lb test

Question 21

What are the best fishing seasons at Boulder Lake?

Accepted Answer

Spring: Best for catching Walleye, Northern pike, Yellow perch, Bluegill, Black crappie, Largemouth bass, Smallmouth bass, Bullhead, White sucker, Common carp

Fall: Best for catching Walleye, Northern pike, Black crappie, Largemouth bass, Smallmouth bass, Bullhead

Winter: Best for catching Yellow perch

Summer: Best for catching Bluegill, Bullhead, Common carp

Question 22

What water recreation activities are available at Boulder Lake?

Accepted Answer

Boulder Lake offers various recreational opportunities including:
      - Fishing

Additional lake information:
      - Lake size: 3259.00 acres (5.09 square miles)
      - Maximum depth: 0.00 meters

The lake is particularly suitable for fishing and boating 
      during current conditions. Always check weather forecasts and local regulations before activities.

Question 23

What's the best time to visit Boulder Lake, and how's the weather?

Accepted Answer

The best time to visit Boulder Lake depends on your planned activities:
      - Summer (June-August): Ideal for swimming, boating, and water sports
      - Spring/Fall: Excellent fishing and fewer crowds
      - Winter: Ice fishing when conditions permit
      Current weather is Cloudy. 
      Check our real-time updates for water temperature and conditions before your visit.

Question 24

What permits and regulations should I know about for Boulder Lake?

Accepted Answer

For Boulder Lake, you should be aware of:
      - Fishing license requirements (check state regulations)
      - Boat registration requirements

For specific requirements and current regulations:
      
      - Contact local authorities
      - Visit the DNR website
      - Visit official websites listed below

Question 25

Where can I find more information about Boulder Lake?

Accepted Answer

You can find detailed information about Boulder Lake through these official resources:
        
        - Additional Information
        
        These resources provide up-to-date information about:
        
        - Current lake conditions
        - Facility hours and availability
        - Special notices and alerts
        
        - Seasonal updates and events
        
        Official websites: https://www.dnr.state.mn.us/lakefind/lake.html?id=69037300

Question 26

What is the water temperature at Boulder Lake in January?

Accepted Answer

In January, the water temperature at Boulder Lake is approximately 36.00°F. 
        This information helps in planning activities like water activities.

Question 27

What is the water temperature at Boulder Lake in February?

Accepted Answer

In February, the water temperature at Boulder Lake is approximately 39.12°F. 
        This information helps in planning activities like water activities.

Question 28

What is the water temperature at Boulder Lake in March?

Accepted Answer

In March, the water temperature at Boulder Lake is approximately 41.38°F. 
        This information helps in planning activities like water activities.

Question 29

What is the water temperature at Boulder Lake in April?

Accepted Answer

In April, the water temperature at Boulder Lake is approximately 38.43°F. 
        This information helps in planning activities like water activities.

Question 30

What is the water temperature at Boulder Lake in May?

Accepted Answer

In May, the water temperature at Boulder Lake is approximately 49.07°F. 
        This information helps in planning activities like water activities.

Question 31

What is the water temperature at Boulder Lake in June?

Accepted Answer

In June, the water temperature at Boulder Lake is approximately 60.95°F. 
        This information helps in planning activities like water activities.

Question 32

What is the water temperature at Boulder Lake in July?

Accepted Answer

In July, the water temperature at Boulder Lake is approximately 72.93°F. 
        This information helps in planning activities like water activities.

Question 33

What is the water temperature at Boulder Lake in August?

Accepted Answer

In August, the water temperature at Boulder Lake is approximately 70.71°F. 
        This information helps in planning activities like water activities.

Question 34

What is the water temperature at Boulder Lake in September?

Accepted Answer

In September, the water temperature at Boulder Lake is approximately 63.76°F. 
        This information helps in planning activities like water activities.

Question 35

What is the water temperature at Boulder Lake in October?

Accepted Answer

In October, the water temperature at Boulder Lake is approximately 45.14°F. 
        This information helps in planning activities like water activities.

Question 36

What is the water temperature at Boulder Lake in November?

Accepted Answer

In November, the water temperature at Boulder Lake is approximately 35.93°F. 
        This information helps in planning activities like water activities.

Question 37

What is the water temperature at Boulder Lake in December?

Accepted Answer

In December, the water temperature at Boulder Lake is approximately 36.00°F. 
        This information helps in planning activities like water activities.

Question 38

What are the current fishing conditions at Boulder Lake?

Accepted Answer

Current water temperature at Boulder Lake is 36°F. 
        Check local fishing reports for the most active species.

Question 39

What is the maximum depth of Boulder Lake?

Accepted Answer

Boulder Lake has a maximum depth of 0.00 meters (0 feet). This depth provides excellent habitat for various fish species and supports diverse aquatic life. The lake's depth profile makes it suitable for both shallow-water fishing and deep-water activities.

Question 40

How big is Boulder Lake?

Accepted Answer

Boulder Lake covers an area of 3259.00 acres (5.09 square miles) at full pool. The lake is currently holding 2939.15 acres of water, which represents 90.2% of its total capacity. This substantial size makes it an important recreational resource for St. Louis County, offering extensive opportunities for fishing, boating, and other water activities.

Question 41

Where is Boulder Lake located?

Accepted Answer

Boulder Lake is located in Duluth, St. Louis County, MN. The lake is accessible to the public and serves as a popular destination for outdoor activities. Its location in St. Louis County makes it easily accessible from Duluth and surrounding communities.

Question 42

What is the current water level at Boulder Lake?

Accepted Answer

Boulder Lake is currently holding 2939.15 acres of water, compared to its full capacity of 3259.00 acres. This represents 90.2% of its total capacity. The lake is at a healthy level, ideal for all water activities. These water levels are monitored regularly and impact various recreational activities on the lake.

Boulder Lake

Boulder Lake

Current Conditions

Water Temperature

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Forecast: Friday, May 2

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Temperature

Precipitation

Wind

Sun, Moon & UV

Solunar Fishing Forecast

Outlook for Friday at Boulder Lake

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Lake Information

Common Fish Species

Walleye

Northern pike

Yellow perch

Nearby Lakes

Lake Minnetonka

Lake Superior

Lake Superior

Lake Vermilion

Water Temperature History

Temperature Trend: Last 12 Months

Key Observations (Last 12 Months)

Weather Forecast

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Frequently Asked Questions About Boulder Lake

What is the current water temperature at Boulder Lake?

What is the size and depth of Boulder Lake?

What county and state is Boulder Lake in?

How often is the Boulder Lake water temperature updated?