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

Warnings

 

Tobermory

07:00 AM EDT 19 July 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
19 July 2026
7:00 NE 2 N/A N/A 101.6 14 82 11 *
6:00 NNE 3 N/A N/A 101.6 13 87 11 *
5:00 NNE 4 N/A N/A 101.5 14 83 12 *
4:00 N 2 N/A N/A 101.5 15 85 12 *
3:00 N 4 N/A N/A 101.4 15 86 13 *
2:00 NNE 5 N/A N/A 101.3 16 80 13 *
1:00 NNE 5 N/A N/A 101.3 17 81 13 *
0:00 N 6 N/A N/A 101.3 17 76 13 *
18 July 2026
23:00 NNW 5 N/A N/A 101.2 17 78 13 *
22:00 N 5 N/A N/A 101.1 18 76 13 *
21:00 N 6 N/A N/A 101.0 18 73 13 *
20:00 N 8 N/A N/A 100.9 19 71 13 *
19:00 N 8 N/A N/A 100.8 19 69 14 *
18:00 N 8 gusts 15 N/A N/A 100.7 20 77 15 *
17:00 NNW 7 N/A N/A 100.6 19 84 16 *
16:00 NW 12 gusts 22 N/A N/A 100.5 19 88 17 *
15:00 NW 14 gusts 23 N/A N/A 100.4 20 84 18 26
14:00 WNW 15 gusts 22 N/A N/A 100.4 21 83 18 26
13:00 NW 15 gusts 22 N/A N/A 100.4 21 85 18 27
12:00 WNW 10 gusts 18 N/A N/A 100.3 21 92 20 29
11:00 WNW 15 gusts 21 N/A N/A 100.3 21 94 20 28
10:00 WSW 9 N/A N/A 100.3 21 96 21 29
9:00 W 6 N/A N/A 100.4 20 91 19 27
8:00 SSW 6 N/A N/A 100.4 20 97 20 *
7:00 SSW 5 N/A N/A 100.4 20 98 19 *

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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