Loading lake details...
Loading lake details...
Roy Lake
73°F
Roy Lake
Zerkel, MN · Mahnomen County
73°F water695 acres16 ft deep
Right Now
80°
Mostly Clear
Water
73°
Wind
6 mph
E
Gusts
10 mph
Pressure
30.04
falling
LakeMonster planner
Plan Roy Lake
Roy Lake
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is finding the right window.
Best first move
Scout a wind-touched point or bank next to deeper water.
keep shade, oxygen, and a nearby depth change in the plan A workable forecast window starts near 6am with about 6 mph wind.
8 lake data sources in this readSee dataHideLatest source updated Jul 16, 12:13 PM CDT
- Current water temp
- 73°F
- Water temp history
- 384 readings
- Hourly weather
- 224 hours
- Solunar timing
- 3/5
- Satellite imagery
- 171 captures
- Thermal imagery
- 709 captures
- Map structure
- available
- Nearby lakes
- 3 options
The quick read is a planning aid, not a safety or access determination. The assistant will state uncertainty when the page does not contain a specific observation.
Forecast - Thu, Jul 16
High / Low
87° / 64°
Wind
7 mph
gusts 17 mph
Precip
33%
UV
8
Sunrise
5:42 AM
Sunset
9:14 PM
7-Day Weather Outlook
Every forecast metric for the week ahead, plus best days for fishing, boating, swimming, and paddling.
9 day forecast
Best Days This Week
Quick recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Wed, Jul 22
57/100
Wed, Jul 22 scores 57/100: Wind 6 mph, Rain 0%.
Best for Boating
Wed, Jul 22
90/100
Wed, Jul 22 scores 90/100: Wind 6 mph, Rain 0%.
Best for Swimming
Sat, Jul 18
80/100
Sat, Jul 18 scores 80/100: Air 83°F, Rain 0%.
Best for Paddling
Wed, Jul 22
85/100
Wed, Jul 22 scores 85/100: Wind 6 mph, Rain 0%.
Temperature Range
High Low
Precip & Wind
Rain % Wind mph
Daily Breakdown
Swipe to see all 9 days
| Metric | Thu16 | Fri17 | Sat18 | Sun19 | Mon20 | Tue21 | Wed22 | Thu23 | Fri24 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Mostly Clear | Thunderstorms | Partly Cloudy | Drizzle | Drizzle | Drizzle | Partly Cloudy | Mostly Cloudy | Mostly Clear |
| High / Low | 87°/64° | 83°/68° | 83°/63° | 86°/64° | 88°/69° | 72°/59° | 76°/55° | 78°/59° | 82°/63° |
| Precip | 33% | 36% | 0% | 31% | 43% | 30% | 0% | 0% | 0% |
| Wind | 9 mphgust 17 | 12 mphgust 21 | 9 mphgust 17 | 9 mphgust 21 | 12 mphgust 28 | 13 mphgust 25 | 6 mphgust 15 | 6 mphgust 13 | 8 mphgust 17 |
| Pressure | 29.98" stable | 29.87" falling | 29.96" rising | 29.84" falling | 29.68" falling | 29.95" rising | 30.15" rising | 30.01" falling | 29.90" falling |
| UV Index | 8 | 6 | 6 | 7 | 7 | 5 | 7 | 5 | 8 |
| Sunrise | 5:42 AM | 5:43 AM | 5:44 AM | 5:45 AM | 5:47 AM | 5:48 AM | 5:49 AM | 5:50 AM | 5:51 AM |
| Sunset | 9:14 PM | 9:13 PM | 9:12 PM | 9:11 PM | 9:10 PM | 9:09 PM | 9:08 PM | 9:07 PM | 9:05 PM |
| Bite Rating | 3/5NEW | 2/5waxing crescent | 2/5waxing crescent | 2/5waxing crescent | 3/5waxing crescent | 3/5first quarter | 2/5first quarter | 2/5first quarter | 3/5waxing gibbous |
Today Read
Roy LakeWind read
Calm
7 mph avg
Water read
73°
Warm-water bite
Air range
64° / 87°
today
Precip
33%
watch timing
Today's forecast for Roy Lake has calm wind, 64F to 87F air temperatures, 33% chance of precipitation, and 73F water.
Fishing Forecast
NEW
3/5
Major
3:14 PM - 5:44 PM
Minor
7:57 AM - 9:27 AM
Try Premium Features
Detailed temperature readings across your lake.
No credit card required for preview
July 12, 2026
Water Temperature History
Current
72°
Jul 26
Low
32°
Feb 22
Average
52°
Last 12 Months
Warmest avg: July (72°F)
Coolest avg: March (34°F)
Rapid warming: April → May (+13°F)
Sharpest cooling: August → September (-16°F)
Weather Forecast
Wind speed, gusts, and pressure trends for trip timing.
7 day view
Hourly Wind Forecast
Swipe days or tap points
16
12am - 11pm
Wind SpeedWind Gust
Tap pointsPeak Wind
9 mph
2pm
Peak Gust
16 mph
highest gust
Pressure
30.06 inHg
steady
Visibility
13 mi
8% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Daily Pressure Forecast
Pressure stability helps plan windows
Pressure
Tap for detailsTap chart points for pressure details
Nearby Lakes
Fishing Forecast
3/5NEW
Major3:14 PM - 5:44 PM
Minor7:57 AM - 9:27 AM
Water at 73°F -- warm-water species active.
Nearby Lakes
Lake facts
About Roy Lake
Direct answers from the lake profile and latest available condition data. Verify access, regulations, weather alerts, and safety conditions with local authorities.
The latest available LakeMonster reading for Roy Lake, updated Jul 16, 2026, shows 73°F surface water temperature, mostly clear, 6 mph wind. Conditions can vary across the lake and change quickly, so check local weather, access notices, and on-water observations before acting.
Roy Lake has 695 acres and a reported maximum depth of about 16 feet based on the latest lake profile available to LakeMonster.
Roy Lake is listed in Zerkel, Mahnomen County, MN. Check the responsible local or state agency for current access rules, permits, closures, and boating restrictions.