Lake Winnipesaukee

Lake Winnipesaukee

Alton, NH

51°F
64°
4 mph78°/51°

Right Now

64°

Clear

Water

51°

Wind

4 mph

NW

Gusts

11 mph

Pressure

29.98

rising

Forecast - Tue, May 26

7am
56°
10am
67°
1pm
75°
4pm
78°
7pm
73°

High / Low

78° / 51°

Wind

6 mph

gusts 20 mph

Precip

0%

UV

8

Sunrise

9:10 AM

Sunset

12:14 AM

Today Read

Lake Winnipesaukee

Wind read

Calm

6 mph avg

Water read

51°

Cool-water mix

Air range

51° / 78°

today

Precip

0%

low concern

Today's forecast for Lake Winnipesaukee has calm wind, 51F to 78F air temperatures, 0% chance of precipitation, and 51F water.

AI lake plannerFishableChecking questions

Ask what to do at Lake Winnipesaukee 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 Lake trout / Rainbow trout

66 confidence

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. With a weak solunar score, favor stable weather windows.

Uses this lake data

Current water temp: 51°FWater temp history: 470 readingsHourly weather: 224 hoursSolunar timing: 2/5Fish species: 22 listedSatellite imagery: 460 captures

Trip read from the AI planner

Fishing Forecast

waxing gibbous

2/5

Major

12:58 AM - 3:28 AM

Minor

7:24 PM - 8:54 PM

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May 17, 2026

Fish Species

22

Water Temperature History

Current

58°

May 31

Low

32°

Dec 7

Average

51°

Last 12 Months

Warmest avg: July (74°F)

Coolest avg: December (32°F)

Rapid warming: MayJune (+13°F)

Sharpest cooling: OctoberNovember (-17°F)

Weather Forecast

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

Hourly Wind Forecast

26

12am - 11pm

Wind SpeedWind Gust
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Peak Wind

9 mph

3pm

Peak Gust

20 mph

highest gust

Pressure

30.04 inHg

rising

Visibility

14 mi

14% clouds

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

Daily Pressure Forecast

Pressure
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Nearby Lakes

FAQ

About Lake Winnipesaukee

Lake Winnipesaukee covers 44586.00 acres (69.67 square miles)

Lake Winnipesaukee is located in Alton, Belknap County, NH. It is accessible to the public for outdoor activities.