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Winn, MI · Gratiot County
Right Now
Partly Cloudy
Water
75°
Wind
1 mph
E
Gusts
3 mph
Pressure
30.10
steady
Forecast - Wed, Jun 24
High / Low
69° / 52°
Wind
5 mph
gusts 16 mph
Precip
87%
UV
4
Sunrise
9:59 AM
Sunset
1:24 AM
Every forecast metric for the week ahead — plus AI-picked best days for fishing, boating, swimming, and paddling.
Instant recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Tue, Tue, Jun 30
Tue, Jun 30 scores 62/100 — Solunar 5/5, Rain 0%.
Best for Boating
Fri, Fri, Jun 26
Fri, Jun 26 scores 90/100 — Wind 6 mph, Rain 0%.
Best for Swimming
Fri, Fri, Jun 26
Fri, Jun 26 scores 80/100 — Air 75°F, Rain 0%.
Best for Paddling
Fri, Fri, Jun 26
Fri, Jun 26 scores 85/100 — Wind 6 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Wed24 | Thu25 | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Rain | Drizzle | Mostly Cloudy | Mostly Clear | Partly Cloudy | Thunderstorms | Mostly Clear | Partly Cloudy | Mostly Cloudy |
| High / Low | 69°/52° | 73°/58° | 75°/54° | 79°/55° | 83°/56° | 88°/63° | 89°/71° | 88°/71° | 90°/73° |
| Precip | 87% | 75% | 0% | 0% | 41% | 53% | 0% | 0% | 0% |
| Wind | 9 mphgust 16 | 9 mphgust 14 | 6 mphgust 12 | 8 mphgust 15 | 9 mphgust 17 | 10 mphgust 22 | 11 mphgust 24 | 7 mphgust 13 | 8 mphgust 17 |
| Pressure | 30.04" stable | 29.93" falling | 30.02" rising | 30.00" falling | 30.02" rising | 29.99" falling | 29.96" falling | 30.00" rising | 30.01" stable |
| UV Index | 4 | 5 | 5 | 8 | 7 | 8 | 8 | 8 | 6 |
| Sunrise | 9:59 AM | 9:59 AM | 10:00 AM | 10:00 AM | 10:00 AM | 10:01 AM | 10:01 AM | 10:02 AM | 10:03 AM |
| Sunset | 1:24 AM | 1:24 AM | 1:24 AM | 1:24 AM | 1:24 AM | 1:24 AM | 1:24 AM | 1:24 AM | 1:23 AM |
| Bite Rating | 3/5first quarter | 2/5waxing gibbous | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 5/5FULL | 3/5FULL | 2/5waning gibbous |
Today Read
Half Moon LakeWind read
Calm
5 mph avg
Water read
75°
Warm-water bite
Air range
52° / 69°
today
Precip
87%
watch timing
Today's forecast for Half Moon Lake has calm wind, 52F to 69F air temperatures, 87% chance of precipitation, and 75F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is finding the right window.
Reads 8 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
first quarter
Major
1:18 AM - 3:48 AM
Minor
8:24 PM - 9:54 PM
Detailed temperature readings across your lake.
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Water Temperature History
Current
73°
Jun 28
Low
34°
Feb 17
Average
58°
Last 12 Months
Warmest avg: June (74°F)
Coolest avg: February (39°F)
Rapid warming: March → April (+13°F)
Sharpest cooling: August → September (-15°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
4am - 3am
Peak Wind
9 mph
10pm
Peak Gust
17 mph
highest gust
Pressure
30.14 inHg
rising
Visibility
13 mi
22% 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 75°F -- warm-water species active.
Nearby Lakes
FAQ
Half Moon Lake covers 74.00 acres (0.12 square miles) with a maximum depth of 6.10 meters (~20 feet).
Half Moon Lake is located in Winn, Gratiot County, MI. It is accessible to the public for outdoor activities.