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Northern Georgian Bay: Past 24 Hour Conditions

Warnings

 

Oshawa Executive Airport

09:00 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
21:00 NW 9 Clear 16 102.2 11 55 2 *
20:00 WNW 11 gusts 17 Mostly Cloudy 16 102.2 12 54 3 *
19:00 NW 13 gusts 18 Sunny 16 102.1 13 49 2 *
18:00 NW 13 Mostly Cloudy 16 102.1 14 45 2 *
17:00 NW 9 gusts 18 Mainly Sunny 16 102.0 15 41 2 *
16:00 NW 9 gusts 18 Sunny 16 102.0 16 38 2 *
15:00 WNW 9 gusts 20 Partly Cloudy 16 102.0 17 38 2 *
14:00 NW 10 gusts 18 Sunny 16 102.0 17 41 3 *
13:00 W 16 gusts 21 Sunny 16 102.0 16 40 2 *
12:00 WNW 16 gusts 21 Sunny 16 102.0 15 40 2 *
11:00 W 14 gusts 19 Sunny 16 101.9 14 42 2 *
10:00 NW 14 gusts 21 Sunny 16 101.9 13 46 2 *
9:00 WNW 15 Sunny 16 101.8 13 52 3 *
8:00 NW 11 gusts 22 Sunny 16 101.8 12 56 3 *
7:00 NW 18 gusts 27 Sunny 16 101.7 12 57 4 *
6:00 NW 14 gusts 23 Cloudy 16 101.5 13 56 4 *
5:00 NW 14 gusts 25 Cloudy 16 101.5 13 56 5 *
4:00 NNW 18 gusts 24 Cloudy 16 101.4 16 77 12 *
3:00 NW 11 Cloudy 16 101.3 18 81 15 *
2:00 SSW 8 gusts 17 Cloudy 16 101.3 17 95 16 *
1:00 S 6 Cloudy 16 101.3 17 86 15 *
0:00 SW 4 Mostly Cloudy 16 101.2 17 88 15 *
19 May 2026
23:00 S 11 gusts 16 Mostly Cloudy 16 101.2 22 68 16 26
22:00 WSW 2 Cloudy 16 101.1 19 83 17 *
21:00 SW 10 gusts 18 Mostly Cloudy 16 101.1 20 78 16 25

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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