Big Bay, Ontario Weather
Big 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 Big Bay in Grey.
Marine forecast and fishing conditions near Big Bay.
Flight conditions near Big Bay. Data source: locating…
Soil conditions, frost risk and crop weather for Big Bay.
About Big Bay, Ontario
Big Bay is a compact rural community in Grey, Ontario, Canada. It is classified as a village / hamlet. Big Bay is located at 44.7906°N, 80.9478°W. It observes Eastern Time (UTC−5 / −4). Postal code area: N0H.
Big Bay rests along the limestone-edged shore of Georgian Bay, tucked firmly within the rising rise of the Dodds Hill. It lies 24.6 km north of Owen Sound, ON (from Owen Sound, ON: bearing 357°T), and is situated 14.2 km south-south-east of Halfway Point. The air here holds a sharp, clean weight, carrying the scent of deep water and cold stone that seems to linger long after the sun has dipped below the horizon. Inland from the coast, the terrain shifts into the rugged contours of the Dodds Hill, where the earth holds a quiet, austere tension. While the Sydenham River flows through the distant landscape some 24 km away, the immediate horizon of Big Bay is defined by the expanse of the bay itself, where the light at dusk turns the water into a sheet of hammered pewter, cold and still. The history of Big Bay remains tied to the hard, honest work of those who looked to the water and the surrounding timber for their survival. Life in Big Bay follows the turning of the seasons, characterized by a stoic endurance that reflects the sparse, enduring beauty of the shoreline. Visitors might journey 19 km to witness the cascading power of Indian Falls, yet the local character is found in the smaller, daily routines of residents who know the shifting moods of the bay better than any map. Whether tending to the land or observing the heavy, grey clouds that gather over the water, those who inhabit Big Bay possess a deep, quiet knowledge of the environment, shaped by the proximity of the Dodds Hill and the vast, unyielding presence of Georgian Bay.
Live animated radar for Big 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 | Big Bay, Grey, Ontario |
| Coordinates | 44.790556°N, 80.947778°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | N0H |
| 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 Big Bay, Ontario Weather Page
This page provides live weather conditions and forecasts for Big 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 Big Bay includes coordinates 44.790556°N, 80.947778°W, situated in Grey. Postal FSA: N0H. 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.