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

Grass Lake
Karlin, MI · Benzie County
Right Now
Mostly Cloudy
Water
65°
Wind
1 mph
S
Gusts
3 mph
Pressure
30.13
steady
Forecast - Mon, Jul 13
High / Low
89° / 66°
Wind
5 mph
gusts 16 mph
Precip
78%
UV
9
Sunrise
10:10 AM
Sunset
1:27 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
Thu, Thu, Jul 16
Thu, Jul 16 scores 59/100: Solunar 3/5, Wind 8 mph.
Best for Boating
Thu, Thu, Jul 16
Thu, Jul 16 scores 85/100: Wind 8 mph.
Best for Swimming
Tue, Tue, Jul 14
Tue, Jul 14 scores 75/100: Air 92°F, Rain 0%.
Best for Paddling
Wed, Wed, Jul 15
Wed, Jul 15 scores 80/100: Wind 8 mph.
Ask about this week:
Swipe to see all 9 days
| Metric | Mon13 | Tue14 | Wed15 | Thu16 | Fri17 | Sat18 | Sun19 | Mon20 | Tue21 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Thunderstorms | Mostly Clear | Partly Cloudy | Partly Cloudy | Rain | Rain | Drizzle | Rain | Drizzle |
| High / Low | 89°/66° | 92°/71° | 88°/69° | 84°/65° | 86°/63° | 78°/65° | 75°/61° | 78°/59° | 84°/67° |
| Precip | 78% | 0% | 26% | 24% | 63% | 67% | 61% | 77% | 36% |
| Wind | 9 mphgust 16 | 10 mphgust 19 | 8 mphgust 17 | 8 mphgust 17 | 8 mphgust 21 | 10 mphgust 22 | 7 mphgust 17 | 13 mphgust 25 | 10 mphgust 20 |
| Pressure | 30.09" stable | 30.03" falling | 30.01" falling | 30.04" rising | 29.97" falling | 29.84" falling | 29.88" rising | 29.82" falling | 29.85" rising |
| UV Index | 9 | 10 | 7 | 7 | 7 | 6 | 6 | 6 | 8 |
| Sunrise | 10:10 AM | 10:11 AM | 10:12 AM | 10:13 AM | 10:14 AM | 10:15 AM | 10:16 AM | 10:17 AM | 10:18 AM |
| Sunset | 1:27 AM | 1:26 AM | 1:25 AM | 1:25 AM | 1:24 AM | 1:23 AM | 1:22 AM | 1:21 AM | 1:20 AM |
| Bite Rating | 4/5NEW | 4/5NEW | 3/5NEW | 3/5NEW | 2/5waxing crescent | 2/5waxing crescent | 2/5waxing crescent | 3/5waxing crescent | 3/5first quarter |
Today Read
Grass LakeWind read
Calm
5 mph avg
Water read
65°
Warm-water bite
Air range
66° / 89°
today
Precip
78%
watch timing
Today's forecast for Grass Lake has calm wind, 66F to 89F air temperatures, 78% chance of precipitation, and 65F 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
NEW
Major
4:38 PM - 7:08 PM
Minor
8:14 AM - 9:44 AM
Detailed temperature readings across your lake.
No credit card required for preview
Water Temperature History
Current
68°
Jul 19
Low
32°
Mar 10
Average
60°
Last 12 Months
Warmest avg: August (71°F)
Coolest avg: March (40°F)
Rapid warming: March → April (+13°F)
Sharpest cooling: January → February (-11°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
4am - 3am
Peak Wind
9 mph
4pm
Peak Gust
16 mph
highest gust
Pressure
30.11 inHg
rising
Visibility
16 mi
6% 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
4/5NEW
Water at 65°F -- warm-water species active.
Nearby Lakes
FAQ
Grass Lake covers 140.79 acres (0.22 square miles) with a maximum depth of 6.10 meters (~20 feet).
Grass Lake is located in Karlin, Benzie County, MI. It is accessible to the public for outdoor activities.