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O'Brien Reservoir
Nashwauk, MN · Itasca County
Right Now
Mostly Clear
Water
68°
Wind
5 mph
SSW
Gusts
11 mph
Pressure
29.98
steady
Forecast - Sun, Jul 12
High / Low
91° / 71°
Wind
7 mph
gusts 23 mph
Precip
0%
UV
9
Sunrise
10:28 AM
Sunset
2:07 AM
Every forecast metric for the week ahead, plus best days for fishing, boating, swimming, and paddling.
Quick recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Tue, Tue, Jul 14
Tue, Jul 14 scores 73/100: Solunar 4/5, Wind 8 mph.
Best for Boating
Wed, Wed, Jul 15
Wed, Jul 15 scores 90/100: Wind 6 mph, Rain 0%.
Best for Swimming
Wed, Wed, Jul 15
Wed, Jul 15 scores 80/100: Air 84°F, Rain 0%.
Best for Paddling
Tue, Tue, Jul 14
Tue, Jul 14 scores 85/100: Wind 8 mph, Rain 0%.
Ask about this week:
Swipe to see all 9 days
| Metric | Sun12 | Mon13 | Tue14 | Wed15 | Thu16 | Fri17 | Sat18 | Sun19 | Mon20 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Clear | Mostly Clear | Mostly Clear | Mostly Cloudy | Cloudy | Mostly Clear | Rain | Rain | Mostly Clear |
| High / Low | 91°/71° | 94°/72° | 91°/70° | 84°/63° | 87°/62° | 88°/65° | 85°/67° | 77°/60° | 80°/61° |
| Precip | 0% | 0% | 0% | 0% | 33% | 28% | 44% | 74% | 0% |
| Wind | 13 mphgust 23 | 13 mphgust 25 | 8 mphgust 21 | 6 mphgust 14 | 8 mphgust 16 | 10 mphgust 21 | 10 mphgust 18 | 11 mphgust 22 | 12 mphgust 24 |
| Pressure | 30.00" stable | 30.00" stable | 30.04" rising | 30.08" rising | 29.98" falling | 29.88" falling | 29.75" falling | 29.65" falling | 29.72" rising |
| UV Index | 9 | 8 | 8 | 6 | 5 | 8 | 7 | 5 | 7 |
| Sunrise | 10:28 AM | 10:29 AM | 10:30 AM | 10:31 AM | 10:32 AM | 10:33 AM | 10:34 AM | 10:35 AM | 10:36 AM |
| Sunset | 2:07 AM | 2:06 AM | 2:06 AM | 2:05 AM | 2:04 AM | 2:03 AM | 2:02 AM | 2:01 AM | 2:00 AM |
| Bite Rating | 3/5waning crescent | 5/5NEW | 4/5NEW | 3/5NEW | 3/5NEW | 2/5waxing crescent | 2/5waxing crescent | 2/5waxing crescent | 3/5waxing crescent |
Today Read
O'Brien ReservoirWind read
Calm
7 mph avg
Water read
68°
Warm-water bite
Air range
71° / 91°
today
Precip
0%
low concern
Today's forecast for O'Brien Reservoir has calm wind, 71F to 91F air temperatures, 0% chance of precipitation, and 68F water.
Trip planner
Active temps make wind edges, shallow cover, and feeding windows more important. The planning constraint is finding the right window.
Uses 8 live data sources for this lake. Tap a stat or ask a question.
Fishing Forecast
waning crescent
Major
4:02 PM - 6:32 PM
Minor
7:20 AM - 8:50 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
71°
Jul 19
Low
32°
Mar 5
Average
54°
Last 12 Months
Warmest avg: July (72°F)
Coolest avg: February (40°F)
Rapid warming: May → June (+14°F)
Sharpest cooling: September → October (-17°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
5am - 4am
Peak Wind
13 mph
9pm
Peak Gust
23 mph
highest gust
Pressure
30.01 inHg
rising
Visibility
11 mi
24% 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
3/5waning crescent
Water at 68°F -- warm-water species active.
Nearby Lakes
FAQ
O'Brien Reservoir covers 538.00 acres (0.84 square miles) with a maximum depth of 19.20 meters (~63 feet).
O'Brien Reservoir is located in Nashwauk, Itasca County, MN. It is accessible to the public for outdoor activities.