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Northern Georgian Bay: Past 24 Hour Conditions

Warnings

 

Harrow AAFC

07:00 PM EDT 20 May 2026
Disclaimer

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
(EDT)		 Wind(knots) Conditions Visibility(km) Pressure(kPa) Air temp(°C) Relative humidity(%) Dew point(°C) Humidex
20 May 2026
19:00 ENE 7 N/A N/A 102.3 13 74 9 *
18:00 NE 6 N/A N/A 102.3 14 73 9 *
17:00 NE 4 N/A N/A 102.3 14 73 9 *
16:00 E 2 N/A N/A 102.3 14 74 10 *
15:00 ENE 2 N/A N/A 102.3 13 74 9 *
14:00 NE 5 N/A N/A 102.3 13 76 9 *
13:00 NE 5 N/A N/A 102.3 13 78 9 *
12:00 NE 8 N/A N/A 102.3 13 78 9 *
11:00 NNE 5 N/A N/A 102.3 12 87 10 *
10:00 NE 8 N/A N/A 102.3 11 84 8 *
9:00 NE 4 N/A N/A 102.2 10 100 10 *
8:00 NE 6 N/A N/A 102.2 10 100 10 *
7:00 NE 6 N/A N/A 102.1 10 100 10 *
6:00 NE 6 N/A N/A 102.0 9 100 9 *
5:00 NNE 8 gusts 15 N/A N/A 101.9 10 100 10 *
4:00 NE 8 N/A N/A 101.8 11 100 11 *
3:00 W 3 N/A N/A 101.7 19 100 19 *
2:00 WSW 6 N/A N/A 101.6 19 100 19 *
1:00 SW 5 N/A N/A 101.6 20 100 20 *
0:00 WSW 8 N/A N/A 101.5 20 100 20 28
19 May 2026
23:00 SW 9 N/A N/A 101.5 20 100 20 28
22:00 SSW 10 gusts 15 N/A N/A 101.4 20 100 20 28
21:00 SSW 12 N/A N/A 101.4 20 100 20 *
20:00 SSW 9 N/A N/A 101.3 22 100 22 30
19:00 SW 3 N/A N/A 101.2 21 100 21 29

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 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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