Lake Hopatcong

Lake Hopatcong

Hopatcong, NJ

69°F
62°
6 mph73°/51°

Right Now

62°

Clear

Water

69°

Wind

6 mph

NNW

Gusts

17 mph

Pressure

29.95

rising

Forecast - Fri, May 29

7am
53°
10am
63°
1pm
70°
4pm
73°
7pm
70°

High / Low

73° / 51°

Wind

7 mph

gusts 28 mph

Precip

0%

UV

8

Sunrise

9:30 AM

Sunset

12:22 AM

Today Read

Lake Hopatcong

Wind read

Calm

7 mph avg

Water read

69°

Warm-water bite

Air range

51° / 73°

today

Precip

0%

low concern

Today's forecast for Lake Hopatcong has calm wind, 51F to 73F air temperatures, 0% chance of precipitation, and 69F water.

AI lake plannerGreen lightChecking questions

Ask what to do at Lake Hopatcong 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

Active-water pattern for Largemouth bass / Smallmouth bass

74 confidence

Active temps make wind edges, shallow cover, and feeding windows more important. 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

Current water temp: 69°FWater temp history: 486 readingsHourly weather: 224 hoursSolunar timing: 3/5Fish species: 13 listedSatellite imagery: 395 captures

Trip read from the AI planner

Fishing Forecast

waxing gibbous

3/5

Major

4:00 AM - 4:00 AM

Minor

10:45 PM - 12:15 AM

LakeMonster PRO

Try Premium Features

Detailed temperature readings across your lake.

No credit card required for preview

May 12, 2026

Fish Species

13

Water Temperature History

Current

73°

Jun 7

Low

33°

Dec 21

Average

54°

Last 12 Months

Warmest avg: May (67°F)

Coolest avg: January (35°F)

Rapid warming: FebruaryMarch (+12°F)

Sharpest cooling: MayJune (-11°F)

Weather Forecast

Wind speed, gusts, and pressure trends for trip timing.

Hourly Wind Forecast

29

12am - 11pm

Wind SpeedWind Gust
Tap points
Use left and right arrow keys to navigate between data points

Peak Wind

10 mph

2pm

Peak Gust

26 mph

highest gust

Pressure

29.99 inHg

rising

Visibility

16 mi

1% clouds

Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days

Daily Pressure Forecast

Pressure
Tap for details
Use left and right arrow keys to navigate between data points

Tap chart points for pressure details

Nearby Lakes

FAQ

About Lake Hopatcong

Lake Hopatcong covers 2494.00 acres (3.90 square miles)

Lake Hopatcong is located in Hopatcong, Morris County, NJ. It is accessible to the public for outdoor activities.