
Portage Lake
Onekama, MI · Manistee County
Right Now
Mostly Clear
Water
57°
Wind
3 mph
ESE
Gusts
8 mph
Pressure
30.27
falling
Forecast - Fri, May 22
High / Low
65° / 43°
Wind
11 mph
gusts 25 mph
Precip
0%
UV
6
Sunrise
10:10 AM
Sunset
1:13 AM
Today Read
Portage LakeWind read
Moderate
11 mph avg
Water read
57°
Cool-water mix
Air range
43° / 65°
today
Precip
0%
low concern
Today's forecast for Portage Lake has moderate wind, 43F to 65F air temperatures, 0% chance of precipitation, and 57F water.
Ask what to do at Portage Lake today.
The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.
Today's AI read
Transition pattern for Largemouth bass / Smallmouth bass
Transition temps can split fish between warming edges and deeper comfort zones. Wind is not the main constraint, so timing and presentation can drive the plan. Check the solunar window against hourly wind and light.
Uses this lake data
Trip read from the AI planner
Green lightFishing Forecast
waxing crescent
Major
11:06 PM - 1:36 AM
Minor
3:51 PM - 5:21 PM
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Detailed temperature readings across your lake.
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Fish Species
7Water Temperature History
Current
62°
May 31
Low
32°
Feb 1
Average
53°
Last 12 Months
Warmest avg: July (70°F)
Coolest avg: January (35°F)
Rapid warming: February → March (+10°F)
Sharpest cooling: October → November (-10°F)
Weather Forecast
Wind speed, gusts, and pressure trends for trip timing.
Hourly Wind Forecast
Swipe days or tap points
22
12am - 11pm
Peak Wind
14 mph
1pm
Peak Gust
25 mph
highest gust
Pressure
30.31 inHg
rising
Visibility
30 mi
31% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Daily Pressure Forecast
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
3/5waxing crescent
Water at 57°F -- good for cool-water species.
Fish Species
7Nearby Lakes
FAQ
About Portage Lake
Portage Lake covers 2112.00 acres (3.30 square miles) with a maximum depth of 18.29 meters (~60 feet).
Portage Lake is located in Onekama, Manistee County, MI. It is accessible to the public for outdoor activities.