
Lake Ronkonkoma
Lake Ronkonkoma, a natural wonder formed by ancient glaciers, stands as a symbol of Long Island's freshwater beauty. As the largest and most iconic of the island's freshwater lakes, it offers a serene escape from the hustle and bustle of modern life. This irregularly shaped lake presents an intriguing blend of deep basins and shallow waters, with depths reaching up to 65 feet, making it an exceptional rarity on Long Island. Situated in the heart of Suffolk County within the Town of Islip, Lake Ronkonkoma's unique appeal stems from its distinctive physical features and abundant aquatic life. The lake covers an area of 243 acres, and its meandering shoreline stretches for 2.23 miles, creating a picturesque setting that attracts both anglers and nature enthusiasts. Access to the lake is conveniently provided at various points. For those who prefer to explore it by boat, the New York Department of Environmental Conservation (DEC) maintains an angler parking area and a concrete boat ramp on the west side of the lake, ensuring that boaters and fishermen have easy access to its pristine waters. The DEC also collaborates with Suffolk County Parks to offer a 100-foot accessible fishing pier located on the north end of the lake. This fishing pier is an ideal spot to cast your line and is renowned for being close to some of the lake's prime fishing habitats. The majority of the lake's shoreline is nestled within the Lake Ronkonkoma County Park. Anglers are welcome to fish from the Suffolk County Park property, provided they hold a Suffolk County Green Key. This unique permit helps protect the park's natural beauty and may be subject to seasonal fees for parking in certain areas. Lake Ronkonkoma's waters are home to a variety of fish species, making it a favored destination for anglers. The primary gamefish include largemouth bass and smallmouth bass. While locating these fish can be a challenge due to the scarcity of natural structure, the lake has gained a reputation for producing large bass specimens. To enhance the habitat for these fish, stumps have been thoughtfully placed within the lake. In addition to the bass, Lake Ronkonkoma's residents include chain pickerel, bluegill, pumpkinseed, black crappie, yellow perch, white perch, carp, brown bullhead, and walleye. The walleye, introduced to control the growing white and yellow perch populations, now offers a targeted fishery. Visitors to Lake Ronkonkoma will find an oasis of natural beauty and a sanctuary for those seeking a memorable fishing experience. The lake's history, unique geological features, and abundant aquatic life have combined to create a haven for anglers and outdoor enthusiasts in the heart of Suffolk County.
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Lake Ronkonkoma
Lake Ronkonkoma, a natural wonder formed by ancient glaciers, stands as a symbol of Long Island's freshwater beauty. As the largest and most iconic of the island's freshwater lakes, it offers a serene escape from the hustle and bustle of modern life. This irregularly shaped lake presents an intriguing blend of deep basins and shallow waters, with depths reaching up to 65 feet, making it an exceptional rarity on Long Island. Situated in the heart of Suffolk County within the Town of Islip, Lake Ronkonkoma's unique appeal stems from its distinctive physical features and abundant aquatic life. The lake covers an area of 243 acres, and its meandering shoreline stretches for 2.23 miles, creating a picturesque setting that attracts both anglers and nature enthusiasts. Access to the lake is conveniently provided at various points. For those who prefer to explore it by boat, the New York Department of Environmental Conservation (DEC) maintains an angler parking area and a concrete boat ramp on the west side of the lake, ensuring that boaters and fishermen have easy access to its pristine waters. The DEC also collaborates with Suffolk County Parks to offer a 100-foot accessible fishing pier located on the north end of the lake. This fishing pier is an ideal spot to cast your line and is renowned for being close to some of the lake's prime fishing habitats. The majority of the lake's shoreline is nestled within the Lake Ronkonkoma County Park. Anglers are welcome to fish from the Suffolk County Park property, provided they hold a Suffolk County Green Key. This unique permit helps protect the park's natural beauty and may be subject to seasonal fees for parking in certain areas. Lake Ronkonkoma's waters are home to a variety of fish species, making it a favored destination for anglers. The primary gamefish include largemouth bass and smallmouth bass. While locating these fish can be a challenge due to the scarcity of natural structure, the lake has gained a reputation for producing large bass specimens. To enhance the habitat for these fish, stumps have been thoughtfully placed within the lake. In addition to the bass, Lake Ronkonkoma's residents include chain pickerel, bluegill, pumpkinseed, black crappie, yellow perch, white perch, carp, brown bullhead, and walleye. The walleye, introduced to control the growing white and yellow perch populations, now offers a targeted fishery. Visitors to Lake Ronkonkoma will find an oasis of natural beauty and a sanctuary for those seeking a memorable fishing experience. The lake's history, unique geological features, and abundant aquatic life have combined to create a haven for anglers and outdoor enthusiasts in the heart of Suffolk County.
Read more detailsCurrent Conditions
Water Temperature
Current water temperature for Lake Ronkonkoma is 61°F.
Current Snapshot
Forecast: Wednesday, Apr 30
MostlyClear
Hourly Insights
Temperature
Precipitation
Wind
Sun, Moon & UV
Solunar Fishing Forecast
Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)
7:14 PM - 9:44 PM
9:03 AM - 11:33 AM
11:05 AM - 12:35 PM
4:00 AM - 4:00 AM
Outlook for Wednesday at Lake Ronkonkoma
Expect temperatures ranging from 54°F to 72°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 7 mph, with potential gusts reaching up to 25 mph. The maximum UV index will be 8 (Very High), so plan sun protection accordingly. For anglers, today's fishing action is rated 2/5 (Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 7:14 PM and 9:03 AM, or try the minor windows near 11:05 AM and 4:00 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Lake Ronkonkoma.
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Lake Information
Common Fish Species
Nearby Lakes
Water Temperature History
Trends for Lake Ronkonkoma
Current Temp
Latest recorded surface temperature.
Lowest in Period
32°F
On Jan 11
Coldest point in the Last 12 Months.
Average in Period
56°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: August (80°F).
- Coolest avg: January (34°F).
- Rapid warming often occurs: May → June (+16°F).
- Sharpest cooling trend: November → December (-15°F).
Weather Forecast
Wind speed and pressure trends
Hourly Wind Forecast
Wind Direction
206°
Pressure
1012 mb
Cloud Cover
68%
Visibility
14 miles
Daily Pressure Forecast


Frequently Asked Questions About Lake Ronkonkoma
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