
Crystal Lake
Crystal Lake, located in the town of Gilmanton in Belknap County, New Hampshire, is a picturesque 455-acre water body that sits at the head of the Suncook River watershed. It is situated in the heart of the Lakes Region, an area known for its abundant natural beauty and outdoor recreation opportunities. The lake is fed by water flowing from the nearby Belknap Range, which passes through Manning and Sunset lakes to the north. This creates a complex system of interconnected water bodies that are essential for maintaining the health and vitality of the ecosystem. Crystal Lake is an important natural resource for the local community, providing opportunities for fishing, swimming, boating, and other recreational activities. Its calm waters and serene surroundings make it a popular destination for tourists and locals alike, particularly during the summer months. The lake is carefully managed to ensure the preservation of its fish populations and the overall health of the ecosystem. Regulations are in place to limit fishing and boating activity, and to prevent the introduction of invasive species that could harm the delicate balance of the lake's ecosystem. In conclusion, Crystal Lake is a stunning natural resource located in Belknap County, New Hampshire. Its important role in the Suncook River watershed, abundance of recreational activities, and careful management make it a valuable asset to the community and a cherished destination for outdoor enthusiasts.
Read more
Crystal Lake
Crystal Lake, located in the town of Gilmanton in Belknap County, New Hampshire, is a picturesque 455-acre water body that sits at the head of the Suncook River watershed. It is situated in the heart of the Lakes Region, an area known for its abundant natural beauty and outdoor recreation opportunities. The lake is fed by water flowing from the nearby Belknap Range, which passes through Manning and Sunset lakes to the north. This creates a complex system of interconnected water bodies that are essential for maintaining the health and vitality of the ecosystem. Crystal Lake is an important natural resource for the local community, providing opportunities for fishing, swimming, boating, and other recreational activities. Its calm waters and serene surroundings make it a popular destination for tourists and locals alike, particularly during the summer months. The lake is carefully managed to ensure the preservation of its fish populations and the overall health of the ecosystem. Regulations are in place to limit fishing and boating activity, and to prevent the introduction of invasive species that could harm the delicate balance of the lake's ecosystem. In conclusion, Crystal Lake is a stunning natural resource located in Belknap County, New Hampshire. Its important role in the Suncook River watershed, abundance of recreational activities, and careful management make it a valuable asset to the community and a cherished destination for outdoor enthusiasts.
Read more detailsCurrent Conditions
Water Temperature
Current water temperature for Crystal Lake is 49°F.
Current Snapshot
Forecast: Tuesday, Apr 29
PartlyCloudy
Hourly Insights
Temperature
Precipitation
Wind
Sun, Moon & UV
Solunar Fishing Forecast
Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)
6:02 PM - 8:32 PM
8:06 AM - 10:36 AM
9:57 AM - 11:27 AM
2:20 AM - 3:50 AM
Outlook for Tuesday at Crystal Lake
Expect temperatures ranging from 47°F to 75°F. Skies look partly cloudy with little chance of precipitation. Winds will be averaging 9 mph, with potential gusts reaching up to 34 mph. The maximum UV index will be 7 (High), so plan sun protection accordingly. For anglers, today's fishing action is rated 4/5 (Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 6:02 PM and 8:06 AM, or try the minor windows near 9:57 AM and 2:20 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Crystal Lake.
Lake Map Views

Try Premium Features
Find the fishing sweet spots! See detailed temperature readings throughout your lake.
No credit card required for preview
Lake Information
Common Fish Species
Nearby Lakes
Water Temperature History
Trends for Crystal Lake
Current Temp
Latest recorded surface temperature.
Lowest in Period
33°F
On Jan 19
Coldest point in the Last 12 Months.
Average in Period
52°F
Typical temp during the Last 12 Months.
Temperature Trend: Last 12 Months
Surface temperature over the selected period.
Key Observations (Last 12 Months)
- Warmest avg: July (81°F).
- Coolest avg: February (33°F).
- Rapid warming often occurs: April → May (+23°F).
- Sharpest cooling trend: October → November (-12°F).
Weather Forecast
Wind speed and pressure trends
Hourly Wind Forecast
Wind Direction
312°
Pressure
1022 mb
Cloud Cover
16%
Visibility
33 miles
Daily Pressure Forecast


Frequently Asked Questions About Crystal Lake
Get accurate, up-to-date information about conditions at Crystal Lake.