Loading lake details...
Loading lake details...

Napoleon, MI · Jackson County
Right Now
Mostly Clear
Water
75°
Wind
4 mph
N
Gusts
6 mph
Pressure
30.09
steady
Forecast - Wed, Jun 24
High / Low
75° / 51°
Wind
4 mph
gusts 15 mph
Precip
85%
UV
6
Sunrise
10:01 AM
Sunset
1:17 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
Thu, Thu, Jul 2
Thu, Jul 2 scores 85/100 — Wind 6 mph, Rain 0%.
Best for Swimming
Tue, Tue, Jun 30
Tue, Jun 30 scores 75/100 — Air 92°F, Rain 0%.
Best for Paddling
Thu, Thu, Jul 2
Thu, Jul 2 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 | Drizzle | Drizzle | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| High / Low | 75°/51° | 77°/59° | 76°/55° | 79°/60° | 82°/60° | 89°/65° | 92°/73° | 91°/73° | 91°/73° |
| Precip | 85% | 79% | 46% | 43% | 42% | 53% | 0% | 0% | 0% |
| Wind | 9 mphgust 15 | 12 mphgust 20 | 7 mphgust 12 | 9 mphgust 15 | 7 mphgust 15 | 9 mphgust 19 | 10 mphgust 21 | 10 mphgust 17 | 6 mphgust 12 |
| Pressure | 30.06" stable | 29.94" falling | 30.02" rising | 29.96" falling | 30.00" rising | 29.99" stable | 29.98" falling | 29.99" stable | 30.03" rising |
| UV Index | 6 | 6 | 4 | 6 | 7 | 8 | 9 | 9 | 9 |
| Sunrise | 10:01 AM | 10:02 AM | 10:02 AM | 10:02 AM | 10:03 AM | 10:03 AM | 10:04 AM | 10:04 AM | 10:05 AM |
| Sunset | 1:17 AM | 1:17 AM | 1:17 AM | 1:17 AM | 1:17 AM | 1:17 AM | 1:17 AM | 1:17 AM | 1:17 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
Big OlcottWind read
Calm
4 mph avg
Water read
75°
Warm-water bite
Air range
51° / 75°
today
Precip
85%
watch timing
Today's forecast for Big Olcott has calm wind, 51F to 75F air temperatures, 85% 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
1:16 AM - 3:46 AM
Minor
8:18 PM - 9:48 PM
Detailed temperature readings across your lake.
No credit card required for preview
Water Temperature History
Current
77°
Jun 28
Low
32°
Feb 1
Average
55°
Last 12 Months
Warmest avg: June (77°F)
Coolest avg: February (35°F)
Rapid warming: February → March (+11°F)
Sharpest cooling: October → November (-13°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
4am - 3am
Peak Wind
9 mph
9pm
Peak Gust
15 mph
highest gust
Pressure
30.14 inHg
rising
Visibility
15 mi
1% 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
Big Olcott covers 40.00 acres (0.06 square miles)
Big Olcott is located in Napoleon, Jackson County, MI. It is accessible to the public for outdoor activities.