
Harmon Lake
Nestled in the picturesque landscapes of Morton County, North Dakota, Harmon Lake emerges as a pristine aquatic haven, covering 136 acres and offering a diverse range of sport fish. With an average depth of 16.1 feet and a maximum depth reaching an impressive 46.6 feet, this freshwater gem is a beacon for anglers and outdoor enthusiasts alike. Conveniently located near Mandan, Harmon Lake has become a regional draw, enticing visitors with its abundance of Largemouth Bass, Bluegill, and Crappie, creating an ideal destination for a multifaceted angling adventure. As anglers cast their lines into the clear waters of Harmon Lake, they are met with the excitement of pursuing the lake's abundant Largemouth Bass, Bluegill, and Crappie. The lake's strategic location near Mandan positions it as a convenient escape for locals and a sought-after retreat for those seeking the perfect blend of recreational enjoyment and natural serenity. Whether you're an experienced angler or a novice eager to explore the diverse underwater world, Harmon Lake invites you to immerse yourself in the thrill of catching these prized fish against the backdrop of North Dakota's tranquil landscapes. The underwater tapestry of Harmon Lake extends beyond its shores, offering an ecosystem that supports a variety of sport fish. While Largemouth Bass, Bluegill, and Crappie take center stage, the lake also hosts Rainbow Trout, Channel Catfish, and Northern Pike in lower numbers. This diversity ensures that every fishing expedition holds the potential for a varied and fulfilling catch, catering to the preferences and skill levels of anglers seeking a dynamic outdoor experience. Surrounded by the natural beauty of Morton County, Harmon Lake is more than a fishing destination; it's a recreational retreat where outdoor enthusiasts can engage with nature in various ways. The lake's 4.8 miles of shoreline provide ample space for lakeside activities, inviting visitors to explore the tranquil surroundings and create lasting memories. Whether you choose to cast your line from the shore, navigate the lake's waters by boat, or simply revel in the serenity of the landscape, Harmon Lake promises a harmonious blend of adventure and relaxation. In the heart of North Dakota, Harmon Lake stands as a testament to the state's commitment to preserving its natural treasures. Whether you come for the thrill of angling, the joy of lakeside exploration, or simply to find solace by the water's edge, Harmon Lake invites you to discover the diverse Sport Fish offerings that make it a cherished destination in the region. Come, explore the abundance of Largemouth Bass, Bluegill, and Crappie, and immerse yourself in the multifaceted beauty of Harmon Lake near Mandan.
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Harmon Lake
Nestled in the picturesque landscapes of Morton County, North Dakota, Harmon Lake emerges as a pristine aquatic haven, covering 136 acres and offering a diverse range of sport fish. With an average depth of 16.1 feet and a maximum depth reaching an impressive 46.6 feet, this freshwater gem is a beacon for anglers and outdoor enthusiasts alike. Conveniently located near Mandan, Harmon Lake has become a regional draw, enticing visitors with its abundance of Largemouth Bass, Bluegill, and Crappie, creating an ideal destination for a multifaceted angling adventure. As anglers cast their lines into the clear waters of Harmon Lake, they are met with the excitement of pursuing the lake's abundant Largemouth Bass, Bluegill, and Crappie. The lake's strategic location near Mandan positions it as a convenient escape for locals and a sought-after retreat for those seeking the perfect blend of recreational enjoyment and natural serenity. Whether you're an experienced angler or a novice eager to explore the diverse underwater world, Harmon Lake invites you to immerse yourself in the thrill of catching these prized fish against the backdrop of North Dakota's tranquil landscapes. The underwater tapestry of Harmon Lake extends beyond its shores, offering an ecosystem that supports a variety of sport fish. While Largemouth Bass, Bluegill, and Crappie take center stage, the lake also hosts Rainbow Trout, Channel Catfish, and Northern Pike in lower numbers. This diversity ensures that every fishing expedition holds the potential for a varied and fulfilling catch, catering to the preferences and skill levels of anglers seeking a dynamic outdoor experience. Surrounded by the natural beauty of Morton County, Harmon Lake is more than a fishing destination; it's a recreational retreat where outdoor enthusiasts can engage with nature in various ways. The lake's 4.8 miles of shoreline provide ample space for lakeside activities, inviting visitors to explore the tranquil surroundings and create lasting memories. Whether you choose to cast your line from the shore, navigate the lake's waters by boat, or simply revel in the serenity of the landscape, Harmon Lake promises a harmonious blend of adventure and relaxation. In the heart of North Dakota, Harmon Lake stands as a testament to the state's commitment to preserving its natural treasures. Whether you come for the thrill of angling, the joy of lakeside exploration, or simply to find solace by the water's edge, Harmon Lake invites you to discover the diverse Sport Fish offerings that make it a cherished destination in the region. Come, explore the abundance of Largemouth Bass, Bluegill, and Crappie, and immerse yourself in the multifaceted beauty of Harmon Lake near Mandan.
Read more detailsCurrent Conditions
Water Temperature
Current Snapshot
Forecast: Tuesday, May 13
PartlyCloudy
Hourly Insights
Temperature
Precipitation
Wind
Sun, Moon & UV
Solunar Fishing Forecast
Todays action is rated a 3 (scale is 0 thru 5, 5 is the best)
6:32 AM - 9:02 AM
5:26 PM - 7:56 PM
3:26 AM - 4:56 AM
10:40 AM - 12:10 PM
Outlook for Tuesday at Harmon Lake
Expect temperatures ranging from 64°F to 88°F. Skies look partly cloudy with little chance of precipitation. Winds will be averaging 10 mph, with potential gusts reaching up to 32 mph. The maximum UV index will be 6 (High), so plan sun protection accordingly. For anglers, today's fishing action is rated 3/5 (Todays action is rated a 3 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 6:32 AM and 5:26 PM, or try the minor windows near 3:26 AM and 10:40 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Harmon Lake.
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Lake Information
Nearby Lakes
Water Temperature History
Trends for Harmon Lake
Current Temp
Latest recorded surface temperature.
Lowest in Period
38°F
On Apr 13
Coldest point in the Last 12 Months.
Average in Period
58°F
Typical temp during the Last 12 Months.
Temperature Trend: Last 12 Months
Surface temperature over the selected period.
Key Observations (Last 12 Months)
- Warmest avg: July (83°F).
- Coolest avg: April (42°F).
- Rapid warming often occurs: April → May (+19°F).
- Sharpest cooling trend: September → October (-16°F).
Weather Forecast
Wind speed and pressure trends
Hourly Wind Forecast
Wind Direction
155°
Pressure
994 mb
Cloud Cover
13%
Visibility
30 miles
Daily Pressure Forecast


Frequently Asked Questions About Harmon Lake
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