Carthew Bay, Ontario Weather
Carthew Bay, Ontario — live current conditions, hourly and 7-day forecasts, ECCC alerts, aviation weather, radar and satellite imagery, marine and fishing conditions with a solunar forecast, soil and crop conditions for Carthew Bay in Simcoe.
Marine forecast and fishing conditions near Carthew Bay.
Flight conditions near Carthew Bay. Data source: locating…
Soil conditions, frost risk and crop weather for Carthew Bay.
About Carthew Bay, Ontario
Carthew Bay is a locality in Simcoe, Ontario, Canada. It is classified as a small locality. Carthew Bay is located at 44.5269°N, 79.4290°W. It observes Eastern Time (UTC−5 / −4). Postal code area: L3V.
Carthew Bay rests upon the quiet, expansive edge of Lake Simcoe, where the horizon meets a low, lingering sky. It lies 8.6 km south of Orillia, ON (from Orillia, ON: bearing 183°T), and is situated 4.4 km north-east of Hawkestone. The air here holds the cool, damp breath of the water, and the shoreline is defined by the proximity of Moonstone Hill, which rises as a steady, forested presence against the skyline. Inland, the North River flows through the landscape about 10 km away, acting as a hidden artery that feeds the wider basin. When the light shifts toward dusk, the surface of the lake turns a polished, hammered silver, reflecting the stillness that settles over the land. The history of Carthew Bay is rooted in the interplay between the dense woods and the accessible water, shaping a life that moves in accordance with the seasons. Local economy has long favored small-scale enterprise and the maintenance of private seasonal retreats, keeping the pace of life focused on the immediate, tangible tasks of the day. Traditions here are quiet, centered on the maintenance of docks and the seasonal shifts in the fishery, while the proximity of the North River draws those who seek the solitude of the interior. Carthew Bay endures as a place of simple, deliberate observation, where the weight of the day is measured by the changing shadows on the water rather than the rush of the outside world.
Live animated radar for Carthew Bay and surroundings — RainViewer.
NOAA GOES-19 GEOCOLOR — Canada / Northern U.S. sector. Auto-refreshes every 10 minutes on page reload. Frames the whole country from Newfoundland to the BC coast, plus adjacent Pacific and Atlantic storm approaches.
Source: NOAA/NESDIS GOES-19 · Public domain · Sector code can (Canada / Northern U.S.) · Auto-updates on page reload
| Location | Carthew Bay, Simcoe, Ontario |
| Coordinates | 44.52688°N, 79.42903°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | L3V |
| Area Code | 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), Environment and Climate Change Canada |
About This Carthew Bay, Ontario Weather Page
This page provides live weather conditions and forecasts for Carthew Bay, Ontario, including current conditions, a 24-hour hourly forecast, 7-day outlook, ECCC extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modelled estimate shown when no station is in range), precipitation radar and NOAA GOES satellite imagery. Additional sections may include marine and fishing conditions with a solunar forecast for coastal localities, and soil temperature, crop weather and live Water Survey of Canada river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Carthew Bay includes coordinates 44.526880°N, 79.429030°W, situated in Simcoe. Postal FSA: L3V. Telephone area code: 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905. Timezone: Eastern Time (UTC−5 / −4).
Weather data is sourced from Environment and Climate Change Canada (ECCC) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov, with a modelled estimate used where no nearby reporting station is available. River and stream data is sourced from Water Survey of Canada (WSC) via the ECCC GeoMet realtime hydrometric feed. Marine and solunar data are modelled 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-19 and is public domain.