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Lake Ronkonkoma, New York Weather

Lake Ronkonkoma, New York — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Lake Ronkonkoma, Suffolk County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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🌊 Marine & Fishing

Tides, marine forecast and fishing conditions near Lake Ronkonkoma. Tide source:

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🎣 Best times to fish today (solunar)
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✈️ Aviation Weather

Flight conditions near Lake Ronkonkoma. Data source: locating…

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🌿 Air Quality
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About Lake Ronkonkoma, New York

Lake Ronkonkoma, a sprawling freshwater body, dominates the landscape of central Suffolk County, its shores a mosaic of residential neighborhoods and pockets of dense woodland. It lies 2.3 miles south-west of Centereach, NY (from Centereach, NY: bearing 226°T), and is situated 8.4 miles north-north-east of Islip. The terrain around the lake is gently rolling, a characteristic of the terminal moraine left behind by glaciers, giving way to marshy edges and sandy beaches that invite quiet contemplation. On a clear afternoon, the water often reflects the vast, pale blue of the Long Island sky, interrupted only by the occasional white sail or the distant hum of traffic from the surrounding roadways, a constant reminder of the suburban pulse that beats beyond the immediate tranquility. The air here, especially after a rain, carries the earthy scent of damp soil and pine needles, a subtle perfume that clings to the humid summer evenings. The history of Lake Ronkonkoma is deeply intertwined with its indigenous roots, the name itself a testament to the Algonquian peoples who once fished its waters. Later, the lake became a focal point for early European settlers, its ample water source proving vital for agriculture and, for a time, a small but bustling resort industry that drew visitors seeking respite from the city. While the grand hotels are long gone, the lake's allure persists, now manifesting in a quieter, more residential character, with the local economy supported by a mix of small businesses and commuters who travel to other parts of the island. The lake remains a central gathering place, its parks and public access points still drawing families for picnics and leisurely strolls, a continuing thread in the ongoing narrative of Lake Ronkonkoma.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Lake Ronkonkoma and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationLake Ronkonkoma, Suffolk County, New York
Coordinates40.835098°N, 73.131222°W
TimezoneEastern Time (America/New_York)
ZIP Code(s)11767
Area Code516
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Lake Ronkonkoma, New York Weather Page

This page provides live weather conditions and forecasts for Lake Ronkonkoma, New York, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for Lake Ronkonkoma includes coordinates 40.835098°N, 73.131222°W, situated in Suffolk County. ZIP code 11767. Telephone area code: 516. Timezone: Eastern Time (America/New_York).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.