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Longworth, MN · Roseau County
Right Now
Clear
Water
54°
Wind
7 mph
WSW
Gusts
10 mph
Pressure
29.82
falling
Forecast - Mon, May 25
High / Low
84° / 56°
Wind
8 mph
gusts 22 mph
Precip
0%
UV
5
Sunrise
10:28 AM
Sunset
2:10 AM
Today Read
Marvin LakeWind read
Calm
8 mph avg
Water read
54°
Cool-water mix
Air range
56° / 84°
today
Precip
0%
low concern
Today's forecast for Marvin Lake has calm wind, 56F to 84F air temperatures, 0% chance of precipitation, and 54F water.
The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.
Today's AI read
Transition temps can split fish between warming edges and deeper comfort zones. Wind is not the main constraint, so timing and presentation can drive the plan. Check the solunar window against hourly wind and light.
Uses this lake data
Trip read from the AI planner
Green lightFishing Forecast
first quarter
Major
1:55 AM - 4:25 AM
Minor
8:02 PM - 9:32 PM
Detailed temperature readings across your lake.
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Water Temperature History
Current
65°
May 31
Low
32°
Feb 15
Average
54°
Last 12 Months
Warmest avg: July (76°F)
Coolest avg: February (36°F)
Rapid warming: May → June (+15°F)
Sharpest cooling: September → October (-21°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
12am - 11pm
Peak Wind
14 mph
4pm
Peak Gust
22 mph
highest gust
Pressure
29.82 inHg
steady
Visibility
22 mi
9% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
3/5first quarter
Water at 54°F -- good for cool-water species.
Nearby Lakes
FAQ
Marvin Lake covers 150.00 acres (0.23 square miles)
Marvin Lake is located in Longworth, Roseau County, MN. It is accessible to the public for outdoor activities.