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Great Lakes - Lake Erie and Lake Ontario: Regional Summary

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Buoys [ Land Stations ]
 
Disclaimer

This table is a summary of weather conditions from buoys in a marine area.
Please note that these observations might not always be representative of weather conditions over their associated marine area.
Wind(knots) Wave height(m) Wave period(s) Pressure(kPa) Air temp(°C) Water temp(°C)
Ajax - 45159 11:00 PM EDT 20 July 2026
S 11 gusts 12 0.37 3.5 100.8 20 17
Georgian Bay - 45137 11:00 PM EDT 20 July 2026
SSE 13 gusts 15 0.62 3.4 100.4 20 19
Grimsby - 45139 11:00 PM EDT 20 July 2026
S 10 gusts 12 0.17 2.2 100.9 23 22
Lake Nipissing - 45152 11:00 PM EDT 20 July 2026
SSE 11 gusts 13 0.17 1.9 100.5 19 22
Lake Simcoe - 45151 11:00 PM EDT 20 July 2026
SSW 14 gusts 17 0.46 2.9 100.8 23 23
Lake St Clair - 45147 11:00 PM EDT 20 July 2026
S 12 gusts 15 0.37 2.6 100.7 25 24
North Channel - 45154 11:00 PM EDT 20 July 2026
S 18 gusts 22 0.67 3.2 100.1 20 19
Port Colborne - 45142 11:00 PM EDT 20 July 2026
SSE 12 gusts 13 0.20 3.0 101.0 23 23
Port Stanley - 45132 11:00 PM EDT 20 July 2026
SSE 13 gusts 16 0.45 2.9 100.9 24 24
Prince Edward Point - 45135 11:00 PM EDT 20 July 2026
SSE 5 gusts 6 0.11 4.9 101.0 21 20
South Georgian Bay - 45143 11:00 PM EDT 20 July 2026
SSE 13 gusts 16 0.31 2.3 100.6 21 20
South Lake Huron - 45149 11:00 PM EDT 20 July 2026
S 17 gusts 21 0.73 3.7 100.6 23 21

If you require additional historical weather information please visit Fisheries and Oceans Canada

 
Land Stations [ Buoys ]
 
Disclaimer

This table is a summary of weather conditions from weather stations in a marine area.
Please note that these observations might not always be representative of weather conditions over their associated marine area.
Wind(knots) Conditions Visibility(km) Pressure(kPa) Air temp(°C) Relative humidity(%) Dew point(°C) Humidex
Brockville 12:00 AM EDT 21 July 2026
SSW 3 N/A N/A 101.0 19 71 14 *
Burlington Lift Bridge 12:00 AM EDT 21 July 2026
S 10 gusts 15 N/A N/A 100.8 23 64 16 27
Cobourg 12:00 AM EDT 21 July 2026
S 10 N/A N/A 100.8 17 100 17 *
Egbert 12:00 AM EDT 21 July 2026
SSW 6 N/A N/A N/A 19 78 15 *
Goderich 12:00 AM EDT 21 July 2026
S 12 gusts 19 N/A N/A 100.5 22 64 15 26
Gore Bay-Manitoulin Airport 12:00 AM EDT 21 July 2026
SSW 20 gusts 30 Light Rain 8 100.1 19 97 18 *
Greater Sudbury Airport 11:00 PM EDT 20 July 2026
S 13 Light Rainshower 19 100.4 18 85 15 *
Hamilton Munro Int'l Airport 12:00 AM EDT 21 July 2026
S 6 Mostly Cloudy 24 100.9 20 80 16 *
Harrow AAFC 12:00 AM EDT 21 July 2026
SSW 8 N/A N/A 100.7 25 70 19 31
Kemptville 12:00 AM EDT 21 July 2026
S 2 N/A N/A 101.0 19 69 13 *
Kingston Airport 12:00 AM EDT 21 July 2026
S 8 N/A N/A 101.2 22 75 17 27
Lagoon City 12:00 AM EDT 21 July 2026
S 15 N/A N/A 100.6 22 76 18 28
Lake Simcoe Regional Airport 12:00 AM EDT 21 July 2026
S 5 N/A N/A 100.8 19 76 15 *
Muskoka Airport 12:00 AM EDT 21 July 2026
SSE 4 Clear 16 100.7 17 86 15 *
North Bay Airport 12:00 AM EDT 21 July 2026
SSE 9 gusts 16 Mostly Cloudy 16 100.5 16 73 11 *
Oshawa Executive Airport 12:00 AM EDT 21 July 2026
SW 7 Light Rain 15 100.9 21 73 16 26
Parry Sound Harbour 12:00 AM EDT 21 July 2026
N/A N/A N/A 100.5 20 77 16 24
Peterborough Municipal Airport 12:00 AM EDT 21 July 2026
S 6 Cloudy 16 100.9 18 86 16 *
Point Pelee 12:00 AM EDT 21 July 2026
N/A N/A N/A 100.8 25 70 19 32
Port Weller 12:00 AM EDT 21 July 2026
SSE 13 N/A N/A 100.8 23 72 17 28
Sarnia Chris Hadfield Airport 12:00 AM EDT 21 July 2026
S 9 gusts 16 Clear 13 100.6 21 77 17 26
Sault Ste. Marie Airport 12:00 AM EDT 21 July 2026
SE 5 Mist 6 99.8 19 96 19 *
St. Catharines / Niagara District Airport 12:00 AM EDT 21 July 2026
S 11 N/A N/A 100.8 21 71 16 26
Tobermory 12:00 AM EDT 21 July 2026
SSW 8 gusts 15 N/A N/A 100.3 20 80 16 *
Toronto City Centre Airport 12:00 AM EDT 21 July 2026
S 10 Mostly Cloudy 15 100.8 21 82 18 27
Toronto Pearson Int'l Airport 12:00 AM EDT 21 July 2026
S 6 Mostly Cloudy 16 100.8 22 62 14 26
Trenton, CFB 12:00 AM EDT 21 July 2026
S 3 Cloudy 24 100.9 20 67 14 23
Vineland Station 12:00 AM EDT 21 July 2026
SSE 5 N/A N/A 100.8 22 72 16 26
Welland-Pelham 12:00 AM EDT 21 July 2026
SSE 4 N/A N/A 101.0 21 79 17 26
Western Islands 11:00 PM EDT 20 July 2026
S 17 N/A N/A 100.6 22 76 17 27
Wiarton Airport 12:00 AM EDT 21 July 2026
S 17 gusts 22 Mostly Cloudy 16 100.4 20 68 14 24
Windsor Airport 12:00 AM EDT 21 July 2026
S 8 Clear 16 100.7 23 77 19 29

If you require additional historical weather information, please visit Climate Data Online

 
[ Buoys ] [ Land Stations ]
 

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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