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Great Lakes - Lake Erie and Lake Ontario: Regional Summary

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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 10:00 AM EDT 11 August 2026
NW 6 gusts 8 0.14 2.2 101.3 22 21
Georgian Bay - 45137 10:00 AM EDT 11 August 2026
NNW 6 gusts 8 0.33 3.0 101.4 20 20
Lake Nipissing - 45152 10:00 AM EDT 11 August 2026
WNW 7 gusts 9 0.19 2.4 101.3 19 22
Lake Simcoe - 45151 10:00 AM EDT 11 August 2026
NNW 11 gusts 14 0.30 2.1 101.3 22 22
Lake St Clair - 45147 10:00 AM EDT 11 August 2026
NE 6 gusts 8 0.16 1.8 101.3 23 24
North Channel - 45154 10:00 AM EDT 11 August 2026
W 7 gusts 8 0.21 2.1 101.4 19 22
Port Colborne - 45142 10:00 AM EDT 11 August 2026
WNW 2 gusts 2 0.16 3.8 101.4 24 24
Prince Edward Point - 45135 09:00 AM EDT 11 August 2026
NW 10 gusts 11 0.44 4.0 101.3 22 23
South Georgian Bay - 45143 10:00 AM EDT 11 August 2026
NW 7 gusts 8 0.40 3.9 101.4 21 21
South Lake Huron - 45149 10:00 AM EDT 11 August 2026
ESE 4 gusts 6 0.11 1.7 N/A N/A 23

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 10:00 AM EDT 11 August 2026
W 5 N/A N/A 101.2 23 70 17 28
Burlington Lift Bridge 10:00 AM EDT 11 August 2026
N 1 N/A N/A 101.4 24 57 14 27
Cobourg 10:00 AM EDT 11 August 2026
NNW 4 N/A N/A 101.2 24 67 17 29
Egbert 10:00 AM EDT 11 August 2026
NW 3 N/A N/A 101.3 22 78 18 28
Goderich 10:00 AM EDT 11 August 2026
ENE 2 N/A N/A 101.4 23 61 15 27
Gore Bay-Manitoulin Airport 10:00 AM EDT 11 August 2026
WSW 4 Sunny 16 101.4 22 67 15 26
Greater Sudbury Airport 10:00 AM EDT 11 August 2026
WNW 5 Partly Cloudy 32 101.4 20 66 13 *
Hamilton Munro Int'l Airport 10:00 AM EDT 11 August 2026
NNW 6 Mostly Cloudy 24 101.4 23 60 15 27
Harrow AAFC 10:00 AM EDT 11 August 2026
SSE 1 N/A N/A 101.3 23 96 22 32
Kemptville 10:00 AM EDT 11 August 2026
W 4 N/A N/A 101.2 23 76 18 29
Kingston Airport 10:00 AM EDT 11 August 2026
SW 6 Partly Cloudy 24 101.2 22 85 19 29
Lagoon City 10:00 AM EDT 11 August 2026
N 10 N/A N/A 101.1 22 64 14 25
Lake Simcoe Regional Airport 10:00 AM EDT 11 August 2026
NNW 10 N/A N/A 101.4 22 65 15 26
Muskoka Airport 10:00 AM EDT 11 August 2026
NNW 5 Sunny 16 101.3 22 67 15 26
North Bay Airport 10:00 AM EDT 11 August 2026
WNW 4 Mainly Sunny 48 101.3 20 65 14 23
Oshawa Executive Airport 10:00 AM EDT 11 August 2026
NW 9 Sunny 16 101.3 23 64 16 28
Parry Sound Harbour 10:00 AM EDT 11 August 2026
N/A N/A N/A 101.3 21 63 14 24
Peterborough Municipal Airport 10:00 AM EDT 11 August 2026
NNW 4 Sunny 16 101.3 23 69 17 28
Point Pelee 10:00 AM EDT 11 August 2026
N/A N/A N/A 101.3 24 100 24 35
Point Petre 10:00 AM EDT 11 August 2026
W 8 N/A N/A 101.2 23 79 19 29
Port Weller 10:00 AM EDT 11 August 2026
WNW 7 N/A N/A 101.4 24 71 18 30
Sarnia Chris Hadfield Airport 10:00 AM EDT 11 August 2026
NE 5 Sunny 16 101.4 23 78 19 30
Sault Ste. Marie Airport 10:00 AM EDT 11 August 2026
NNE 2 Partly Cloudy 32 101.4 19 74 14 *
St. Catharines / Niagara District Airport 10:00 AM EDT 11 August 2026
WNW 5 Mostly Cloudy 24 101.3 24 61 16 28
Tobermory 10:00 AM EDT 11 August 2026
NNW 3 N/A N/A 101.3 22 60 14 25
Toronto City Centre Airport 10:00 AM EDT 11 August 2026
WNW 7 Sunny 16 101.3 25 49 14 28
Toronto Pearson Int'l Airport 10:00 AM EDT 11 August 2026
NW 10 Partly Cloudy 24 101.4 24 48 12 27
Trenton, CFB 10:00 AM EDT 11 August 2026
WNW 6 Mainly Sunny 24 101.2 23 75 18 29
Vineland Station 10:00 AM EDT 11 August 2026
NNW 3 N/A N/A 101.3 23 68 17 28
Welland-Pelham 09:00 AM EDT 11 August 2026
N 2 N/A N/A 101.4 22 84 19 29
Western Islands 09:00 AM EDT 11 August 2026
NW 7 N/A N/A 101.4 21 74 16 26
Wiarton Airport 10:00 AM EDT 11 August 2026
NW 3 Partly Cloudy 24 101.4 22 65 15 25
Windsor Airport 10:00 AM EDT 11 August 2026
NE 7 Mist 8 101.4 24 91 22 33

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