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

Newhalem, WA · Whatcom County
Right Now
Drizzle
Water
50°
Wind
8 mph
WSW
Gusts
20 mph
Pressure
29.96
rising
Forecast - Thu, May 14
High / Low
44° / 36°
Wind
6 mph
gusts 20 mph
Precip
71%
UV
4
Sunrise
12:24 PM
Sunset
3:38 AM
Today Read
Diablo LakeWind read
Calm
6 mph avg
Water read
50°
Cool-water mix
Air range
36° / 44°
today
Precip
71%
watch timing
Today's forecast for Diablo Lake has calm wind, 36F to 44F air temperatures, 71% chance of precipitation, and 50F water.
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 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
FishableFishing Forecast
waning crescent
Major
6:30 PM - 9:00 PM
Minor
10:24 AM - 11:54 AM
Detailed temperature readings across your lake.
No credit card required for preview
Fish Species
4Water Temperature History
Current
57°
May 24
Low
32°
Feb 15
Average
49°
Last 12 Months
Warmest avg: July (64°F)
Coolest avg: February (35°F)
Rapid warming: June → July (+8°F)
Sharpest cooling: September → October (-16°F)
Nearby Lakes
Fishing Forecast
3/5waning crescent
Water at 50°F -- good for cool-water species.
Fish Species
4Nearby Lakes
FAQ
Diablo Lake covers 909.00 acres (1.42 square miles)
Diablo Lake is located in Newhalem, Whatcom County, WA. It is accessible to the public for outdoor activities.