New Hampshire · Lake fishing forecast

Lake Winnipesaukee fishing forecast today

Current conditions plus a 7-day fishing outlook for Lake Winnipesaukee, including Fishing Score, wind, pressure, clouds, rain chance and moon phase.

8.4/10
Good
Current Fishing Score

Weather-based index from the inputs available right now. It is a conditions summary, not a catch prediction.

100% weather data coverageFull inputs
Air temperature
74°F
Wind
2 mph W
Pressure
29.88 inHg
Nearby NWS observation
Cloud cover
19%
Rain chance
0%
Moon
Waxing Crescent
Gusts
5 mph
Humidity
71%
Weather data updated: Aug 19, 2026, 6:12 AM EDT
Plan the week

Lake Winnipesaukee 7-day fishing forecast

Compare day-level Fishing Scores with wind, rain risk, pressure and temperatures for the next seven days.

Forecast data coverageDaily weather-score coverage is 72%. NWS forecast pressure is unavailable for these periods, so the daily scores are partial.
Best available weather score · partialTuesday, Aug 25 · 8.0/10
Today
Wednesday, Aug 19
7.3/10
Partial
Patchy Fog then Mostly Sunny
81°62°
Wind3 mph WSWRain2%Clouds31%Moon40%
Thu
Thursday, Aug 20
7.6/10
Partial
Mostly Sunny
79°56°
Wind4 mph WNWRain3%Clouds48%Moon50%
Fri
Friday, Aug 21
6.5/10
Partial
Patchy Fog then Sunny
79°56°
Wind2 mph NNWRain2%Clouds13%Moon61%
Sat
Saturday, Aug 22
7.7/10
Partial
Mostly Sunny
76°57°
Wind5 mph ERain33%Clouds44%Moon71%
Sun
Sunday, Aug 23
7.0/10
Partial
Showers And Thunderstorms Likely
75°58°
Wind3 mph SERain56%Clouds72%Moon80%
Mon
Monday, Aug 24
7.9/10
Partial
Mostly Sunny then Slight Chance Showers And Thunderstorms
77°55°
Wind6 mph WSWRain32%Clouds36%Moon88%
Tue
Tuesday, Aug 25
8.0/10
Partial
Mostly Sunny
76°55°
Wind6 mph WRain8%Clouds33%Moon94%

The large Current Fishing Score above uses current conditions and, on eligible river pages, can include a conservative USGS streamflow penalty. The seven daily cards remain weather-only because this site does not predict future river flow. Cards marked “Partial” use less than 90% of the weighted weather inputs.

Lake Winnipesaukee fishing conditions overview

The current weather inputs produce a good weather-based Fishing Score. Very light wind may leave clear, calm water more demanding.

Estimated activity windows: 5:10 AM–7:25 AM and 6:14 PM–8:29 PM local time. These are dawn/dusk windows, not guaranteed bite times.

Best fishing time today: estimated windows

The first estimated window runs from 5:10 AM–7:25 AM, around sunrise at 5:55 AM. The second runs from 6:14 PM–8:29 PM, around sunset at 7:44 PM. Lower light can change visibility and fish positioning, but actual feeding periods vary by species, season and water conditions.

Lake Winnipesaukee fishing: structure, seasons and local conditions

Large New Hampshire lake with islands, shoals and deep cold-water basins. For fishing decisions, useful local reference areas include island points, saddles and nearby breaks, together with deeper structure and pronounced depth changes. Those features are more informative than treating the whole forecast area as one uniform piece of water. Cold or high-elevation water is part of the identity of Lake Winnipesaukee, so surface air temperature does not describe every depth equally. During warm periods, deeper or better-mixed water can remain a separate environment for cold-water species.

New Hampshire has a pronounced warm-up and cool-down cycle. Spring can pull activity toward warming shallows or current edges; midsummer often increases the value of depth, shade, current or cooler water; and fall cooling can broaden the usable zone again. Those shifts matter differently to Landlocked salmon and Lake trout, so recent conditions are more useful than assuming the same pattern all season. On Lake Winnipesaukee, compare the daily score with the exposure of island points, saddles and nearby breaks, together with deeper structure and pronounced depth changes; those areas can respond very differently to the same wind and sun.

Common targets at Lake Winnipesaukee include Landlocked salmon, Lake trout, and Smallmouth bass. They do not use depth, current and cover in exactly the same way, so the Fishing Score remains a conditions index rather than a species-specific bite prediction. There is no guarantee of a verified water sensor at the forecast point, so local temperature, clarity, level or current observations still matter.

What to watch in today's conditions

Wind

Current wind is about 2 mph from W, with gusts near 5 mph. Wind can improve surface movement on exposed banks while leaving coves and lee shorelines much calmer.

Barometric pressure

Barometric pressure is about 29.88 inHg. Pressure is one part of the Fishing Score and is read together with wind, cloud cover and precipitation.

Moon phase and light

The moon is currently in the Waxing Crescent phase with approximately 38% illumination. Lunar illumination has a smaller weight than the main weather factors.

Target species

Landlocked salmonLake troutSmallmouth bass

Always verify current state fishing regulations, seasons, bag limits, licensing requirements and location-specific closures before fishing.

How this forecast is calculated

The Fishing Score starts with National Weather Service weather data: pressure 28%, wind 24%, cloud cover 18%, precipitation probability 18% and lunar illumination 12%. Missing weather factors are never treated as zero; partial weather results are pulled toward a neutral 5/10 according to the missing weight. On eligible river pages, a separate conservative USGS flow check can only reduce the current score when streamflow is unusually far from the long-term seasonal median or changing rapidly. It never increases the score.

Quick answers

Lake Winnipesaukee fishing forecast FAQ

What is the Fishing Score for Lake Winnipesaukee today?

The current Fishing Score is 8.4 out of 10 with 100% weighted data coverage. The weather inputs used by the score are currently complete.

What is the best fishing time at Lake Winnipesaukee today?

The page highlights estimated low-light windows of 5:10 AM–7:25 AM and 6:14 PM–8:29 PM local time, centered around sunrise and sunset. They are planning windows, not guaranteed bite times.

What fish are commonly targeted at Lake Winnipesaukee?

Common target species listed for Lake Winnipesaukee include Landlocked salmon, Lake trout, Smallmouth bass. Seasons, legal limits and local closures can change, so always verify current regulations before fishing.

What weather factors are used for Lake Winnipesaukee?

The Fishing Score uses barometric pressure and trend, wind, cloud cover, precipitation probability and moon illumination. Missing inputs are excluded rather than treated as zero.