Lake Hopatcong, New Jersey Weather
Lake Hopatcong, New Jersey — 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 Hopatcong, Morris County.
Tides, marine forecast and fishing conditions near Lake Hopatcong. Tide source:
Flight conditions near Lake Hopatcong. Data source: locating…
About Lake Hopatcong, New Jersey
Lake Hopatcong, a sprawling expanse of blue, mirrors the changing New Jersey sky, its shores a mosaic of rocky outcrops and sandy coves. It lies 6.3 miles north-north-west of Randolph, NJ (from Randolph, NJ: bearing 347°T), and is situated 9.0 miles north-east of Mount Olive. The landscape around Lake Hopatcong is a gentle, rolling terrain, softened by dense woodlands that spill down to the water's edge, their leaves rustling with a sound like distant conversation. In the summer, the air hums with the low thrum of boat engines and the occasional sharp cry of a gull, a sound that seems to belong to the very texture of the humid air. The water itself, a deep, cool green in the shallows and a mysterious, inky blue further out, is the undisputed heart of this place, its currents dictating the rhythm of life for those who call its perimeter home. This vast body of water, the largest in New Jersey, carries the echoes of a different era when it was a vital artery for commerce and a summer destination for city dwellers seeking respite. The old Morris Canal, now largely a memory, once connected this inland lake to the industrial centers of the east, a ghost of past ambition that still whispers through the reedy marshes. Today, the economy of Lake Hopatcong is largely sustained by tourism and recreation, its marinas and lakeside eateries bustling with activity during the warmer months, a vibrant testament to the enduring appeal of its aquatic charm. Even in the quiet chill of autumn, when the deciduous trees shed their fiery cloaks, the lake retains a certain gravity, a placid grandeur that draws visitors back, year after year, to its familiar, inviting shores.
Live animated radar for Lake Hopatcong 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
| Location | Lake Hopatcong, Morris County, New Jersey |
| Coordinates | 40.948432°N, 74.617105°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 07849 |
| Area Code | 732, 848 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Lake Hopatcong, New Jersey Weather Page
This page provides live weather conditions and forecasts for Lake Hopatcong, New Jersey, 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 Hopatcong includes coordinates 40.948432°N, 74.617105°W, situated in Morris County. ZIP code 07849. Telephone area code: 732, 848. 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.
