Great River, New York — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for Great River, Suffolk County.
Tides, marine forecast and fishing conditions near Great River. Nearest NOAA tide station:
Flight conditions near Great River — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…
Live animated radar for Great River and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
Great River unfolds along the western edge of Great South Bay, a place where the land, gently sloping and generously wooded, meets the expansive, shimmering water. It lies 2.8 miles east-south-east of Islip, NY (from Islip, NY: bearing 102°T), and is situated 9.6 miles south-south-east of Smithtown. Mature oak and maple trees, their branches often heavy with moss, cast a dappled shade over quiet residential streets, creating a sense of secluded elegance. The air here carries the faint, salty tang of the bay, mingling with the sweet perfume of blooming hydrangeas and roses in meticulously kept gardens. It is a landscape that breathes with a quiet, settled grace, where the call of a distant heron or the rustle of leaves underfoot are the dominant sounds, a gentle counterpoint to the distant hum of civilization. The history of Great River is deeply entwined with the Gilded Age, a period when its serene beauty attracted wealthy New Yorkers seeking respite from the city’s clamor. Grand estates, some remnants of which still grace the landscape, were built along the bay, their architectural ambitions echoing the era’s opulence. The local economy, once driven by the grandeur of these estates and their accompanying staff, has since evolved, with many residents now commuting to other centers for work, yet a strong sense of community endures. The bay itself remains a central feature, offering opportunities for sailing and fishing, and its protective barrier beach forms a natural bulwark, a constant reminder of the ocean’s vast presence just beyond.
| Location | Great River, Suffolk County, New York |
| Coordinates | 40.72121°N, 73.157614°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 11739, 11730 |
| Area Code | 516 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |