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Topaz Lake
70°F
Topaz Lake
Prairie Portage, MN · Lake County
70°F water149 acres
Right Now
72°
Mostly Clear
Water
70°
Wind
3 mph
WNW
Gusts
8 mph
Pressure
30.08
falling
LakeMonster planner
Plan Topaz Lake
Topaz 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 the first break or defined cover closest to a feeding flat.
keep shade, oxygen, and a nearby depth change in the plan A workable forecast window starts near 6am with about 1 mph wind.
8 lake data sources in this readSee dataHideLatest source updated Jul 16, 6:48 AM CDT
- Current water temp
- 70°F
- Water temp history
- 464 readings
- Hourly weather
- 224 hours
- Solunar timing
- 3/5
- Satellite imagery
- 269 captures
- Thermal imagery
- 672 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
78° / 57°
Wind
3 mph
gusts 13 mph
Precip
42%
UV
4
Sunrise
5:21 AM
Sunset
8:59 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
54/100
Wed, Jul 22 scores 54/100: Wind 7 mph, Rain 0%.
Best for Boating
Wed, Jul 22
90/100
Wed, Jul 22 scores 90/100: Wind 7 mph, Rain 0%.
Best for Swimming
Wed, Jul 22
80/100
Wed, Jul 22 scores 80/100: Air 77°F, Rain 0%.
Best for Paddling
Wed, Jul 22
85/100
Wed, Jul 22 scores 85/100: Wind 7 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 | Drizzle | Rain | Mostly Clear | Mostly Cloudy | Drizzle | Drizzle | Partly Cloudy | Partly Cloudy | Drizzle |
| High / Low | 78°/57° | 80°/62° | 80°/63° | 83°/62° | 84°/66° | 74°/60° | 77°/57° | 79°/61° | 78°/64° |
| Precip | 42% | 89% | 28% | 20% | 62% | 54% | 0% | 23% | 56% |
| Wind | 5 mphgust 13 | 8 mphgust 18 | 8 mphgust 20 | 8 mphgust 17 | 15 mphgust 30 | 11 mphgust 29 | 7 mphgust 15 | 8 mphgust 17 | 8 mphgust 16 |
| Pressure | 30.07" stable | 29.89" falling | 29.87" falling | 29.85" falling | 29.65" falling | 29.86" rising | 30.04" rising | 29.97" falling | 29.90" falling |
| UV Index | 4 | 6 | 7 | 5 | 6 | 5 | 5 | 6 | 6 |
| Sunrise | 5:21 AM | 5:22 AM | 5:23 AM | 5:24 AM | 5:25 AM | 5:27 AM | 5:28 AM | 5:29 AM | 5:30 AM |
| Sunset | 8:59 PM | 8:58 PM | 8:57 PM | 8:56 PM | 8:55 PM | 8:54 PM | 8:53 PM | 8:51 PM | 8:50 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
Topaz LakeWind read
Calm
3 mph avg
Water read
70°
Warm-water bite
Air range
57° / 78°
today
Precip
42%
watch timing
Today's forecast for Topaz Lake has calm wind, 57F to 78F air temperatures, 42% chance of precipitation, and 70F water.
Fishing Forecast
NEW
3/5
Major
2:56 PM - 5:26 PM
Minor
7:36 AM - 9:06 AM
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July 12, 2026
Water Temperature History
Current
70°
Jul 26
Low
32°
Feb 15
Average
52°
Last 12 Months
Warmest avg: July (70°F)
Coolest avg: March (34°F)
Rapid warming: May → June (+16°F)
Sharpest cooling: September → October (-15°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
5 mph
5pm
Peak Gust
12 mph
highest gust
Pressure
30.09 inHg
steady
Visibility
12 mi
26% 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
Major2:56 PM - 5:26 PM
Minor7:36 AM - 9:06 AM
Water at 70°F -- warm-water species active.
Nearby Lakes
Lake facts
About Topaz 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 Topaz Lake, updated Jul 16, 2026, shows 70°F surface water temperature, mostly clear, 3 mph wind. Conditions can vary across the lake and change quickly, so check local weather, access notices, and on-water observations before acting.
Topaz Lake has 149 acres based on the latest lake profile available to LakeMonster.
Topaz Lake is listed in Prairie Portage, Lake County, MN. Check the responsible local or state agency for current access rules, permits, closures, and boating restrictions.