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Grand Marais, MN · Cook County
Right Now
Cloudy
Water
62°
Wind
4 mph
S
Gusts
9 mph
Pressure
30.11
falling
Forecast - Wed, Jun 24
High / Low
65° / 50°
Wind
5 mph
gusts 14 mph
Precip
99%
UV
4
Sunrise
10:02 AM
Sunset
2:06 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
Fri, Fri, Jun 26
Fri, Jun 26 scores 54/100 — Wind 8 mph, Rain 0%.
Best for Boating
Fri, Fri, Jun 26
Fri, Jun 26 scores 90/100 — Wind 8 mph, Rain 0%.
Best for Swimming
Fri, Fri, Jun 26
Fri, Jun 26 scores 70/100 — Air 71°F, Rain 0%.
Best for Paddling
Fri, Fri, Jun 26
Fri, Jun 26 scores 85/100 — Wind 8 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 Cloudy | Drizzle | Thunderstorms | Thunderstorms | Heavy Rain | Heavy Rain |
| High / Low | 65°/50° | 70°/48° | 71°/49° | 72°/52° | 71°/55° | 80°/60° | 81°/65° | 82°/63° | 81°/64° |
| Precip | 99% | 33% | 0% | 0% | 40% | 68% | 63% | 54% | 59% |
| Wind | 7 mphgust 14 | 5 mphgust 13 | 8 mphgust 15 | 9 mphgust 19 | 13 mphgust 27 | 12 mphgust 26 | 9 mphgust 15 | 11 mphgust 16 | 10 mphgust 20 |
| Pressure | 30.01" stable | 30.02" stable | 30.07" rising | 30.02" falling | 29.90" falling | 29.76" falling | 29.77" rising | 29.89" rising | 29.92" rising |
| UV Index | 4 | 5 | 4 | 5 | 7 | 7 | 7 | 8 | 7 |
| Sunrise | 10:02 AM | 10:03 AM | 10:03 AM | 10:04 AM | 10:04 AM | 10:05 AM | 10:05 AM | 10:06 AM | 10:06 AM |
| Sunset | 2:06 AM | 2:06 AM | 2:06 AM | 2:05 AM | 2:05 AM | 2:05 AM | 2:05 AM | 2:05 AM | 2:05 AM |
| Bite Rating | 3/5first quarter | 3/5waxing gibbous | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 4/5FULL | 3/5FULL | 3/5waning gibbous |
Today Read
Duncan LakeWind read
Calm
5 mph avg
Water read
62°
Cool-water mix
Air range
50° / 65°
today
Precip
99%
watch timing
Today's forecast for Duncan Lake has calm wind, 50F to 65F air temperatures, 99% chance of precipitation, and 62F water.
AI read · today
Active temps make wind edges, shallow cover, and feeding windows more important. 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
1:42 AM - 4:12 AM
Minor
9:02 PM - 10:32 PM
Detailed temperature readings across your lake.
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Water Temperature History
Current
61°
Jun 28
Low
32°
Feb 16
Average
49°
Last 12 Months
Warmest avg: July (68°F)
Coolest avg: February (39°F)
Rapid warming: May → June (+13°F)
Sharpest cooling: September → October (-13°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
5am - 4am
Peak Wind
10 mph
1pm
Peak Gust
20 mph
highest gust
Pressure
30.09 inHg
steady
Visibility
16 mi
59% 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 62°F -- good for cool-water species.
Nearby Lakes
FAQ
Duncan Lake covers 476.00 acres (0.74 square miles) with a maximum depth of 39.62 meters (~130 feet).
Duncan Lake is located in Grand Marais, Cook County, MN. It is accessible to the public for outdoor activities.