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Great Lakes - Lake Erie and Lake Ontario: Past 24 Hour Conditions

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Grenadier Island

11:00 AM EST 21 December 2024
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This table is a summary of hourly weather conditions for the past 24 hours.
Please note that these observations might not always be representative of weather conditions over their associated marine area.
Date / Time
(EST)		 Wind(knots) Conditions Visibility(km) Pressure(kPa) Air temp(°C) Relative humidity(%) Dew point(°C) Wind Chill
21 December 2024
11:00 NNW 2 N/A N/A 102.4 -10 63 -15 -11
10:00 NW 3 N/A N/A 102.4 -10 67 -15 -14
9:00 N 3 N/A N/A 102.4 -12 74 -15 -15
8:00 N 3 N/A N/A 102.3 -11 76 -15 -15
7:00 NNW 3 N/A N/A 102.2 -11 76 -14 -15
6:00 N 3 N/A N/A 102.1 -10 79 -13 -13
5:00 NNW 3 N/A N/A 102.0 -10 83 -12 -13
4:00 N 2 N/A N/A 102.0 -10 83 -12 -11
3:00 NNW 2 N/A N/A 102.0 -9 84 -11 -10
2:00 N 5 N/A N/A 102.0 -9 84 -11 -13
1:00 N 2 N/A N/A 101.9 -8 84 -10 -10
0:00 NNE 3 N/A N/A 101.9 -8 85 -10 -11
20 December 2024
23:00 NNE 4 N/A N/A 102.0 -8 85 -10 -12
22:00 N 4 N/A N/A 102.0 -8 85 -10 -11
21:00 NNE 4 N/A N/A 102.0 -8 86 -10 -12
20:00 N 4 N/A N/A 102.0 -8 85 -10 -12
19:00 NNE 3 N/A N/A 102.1 -8 86 -10 -11
18:00 NNE 4 N/A N/A 102.0 -8 85 -10 -12
17:00 NNE 5 N/A N/A 102.0 -8 87 -10 -12
16:00 NE 4 N/A N/A 102.0 -7 86 -9 -11
15:00 NNE 5 N/A N/A 102.0 -7 85 -9 -12
14:00 NNE 6 N/A N/A 102.0 -7 85 -9 -12
13:00 NNE 6 N/A N/A 102.0 -6 85 -8 -11
12:00 NE 5 N/A N/A 102.1 -7 87 -8 -11
11:00 NE 8 N/A N/A 102.2 -7 86 -9 -12

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

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