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Southern Georgian Bay: Past 24 Hour Conditions

Warnings

 

Grenadier Island

01:00 AM EDT 22 April 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) Wind Chill
22 April 2026
1:00 SSE 4 N/A N/A 101.6 8 47 -3 *
0:00 S 5 N/A N/A 101.6 8 42 -5 *
21 April 2026
23:00 S 6 N/A N/A 101.7 7 44 -4 *
22:00 S 6 N/A N/A 101.8 7 41 -5 *
21:00 S 6 N/A N/A 101.9 8 38 -5 *
20:00 S 5 N/A N/A 101.9 8 39 -5 *
19:00 SSW 7 N/A N/A 101.9 8 50 -2 *
18:00 SSW 9 N/A N/A 102.0 8 37 -6 *
17:00 SSW 10 N/A N/A 102.0 8 43 -4 *
16:00 SSW 8 N/A N/A 102.1 8 37 -6 *
15:00 S 5 N/A N/A 102.2 8 38 -6 *
14:00 SSW 5 N/A N/A 102.4 7 39 -6 *
13:00 SSW 4 N/A N/A 102.4 6 46 -5 *
12:00 SW 4 N/A N/A 102.5 6 44 -5 *
11:00 SSW 8 N/A N/A 102.6 4 57 -4 *
10:00 SSW 11 N/A N/A 102.6 3 68 -2 *
9:00 SW 5 N/A N/A 102.7 2 69 -3 *
8:00 SSW 11 N/A N/A 102.7 2 69 -3 *
7:00 SSW 7 N/A N/A 102.7 1 69 -5 *
6:00 SSW 5 N/A N/A 102.7 0 65 -6 -4
5:00 S 4 N/A N/A 102.7 0 65 -6 -3
4:00 calm N/A N/A 102.7 0 50 -9 *
3:00 W 2 N/A N/A 102.6 0 49 -10 -1
2:00 W 3 N/A N/A 102.6 0 51 -9 *
1:00 W 2 N/A N/A 102.6 0 60 -7 *

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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