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Eastern Lake Superior: Past 24 Hour Conditions

Warnings

 

Slate Island - 45136

11:00 PM EDT 17 July 2026Buoy position: 48.52N 86.95W
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) Wave height(m) Wave period(s) Pressure(kPa) Air temp(°C) Water temp(°C)
17 July 2026
23:00 SE 8 gusts 9 0.58 4.0 100.8 7 5
22:00 SE 12 gusts 15 0.53 3.6 100.8 8 5
21:00 SSE 8 gusts 9 0.48 3.8 100.9 8 5
20:00 N/A N/A N/A N/A N/A N/A
19:00 ENE 4 gusts 5 0.49 3.8 101.1 8 5
18:00 ESE 6 gusts 8 0.46 3.6 101.2 7 5
17:00 ENE 5 gusts 5 0.49 3.6 101.3 6 5
16:00 N/A N/A N/A N/A N/A N/A
15:00 E 6 gusts 7 0.46 3.4 101.4 7 5
14:00 SE 13 gusts 15 0.34 2.9 101.4 7 4
13:00 SE 4 gusts 5 0.30 2.5 101.6 7 4
12:00 SSE 11 gusts 12 0.28 2.4 101.6 7 4
11:00 SE 10 gusts 12 0.13 1.9 101.6 7 4
10:00 ESE 8 gusts 9 0.05 1.9 101.7 8 4
9:00 NE 6 gusts 6 0.04 2.6 101.7 7 4
8:00 S 7 gusts 9 0.05 4.1 101.8 7 4
7:00 SSE 9 gusts 10 0.07 4.0 101.8 7 4
6:00 E 6 gusts 8 0.08 2.4 101.9 7 4
5:00 SE 5 gusts 6 0.09 2.5 101.9 8 4
4:00 NNE 3 gusts 5 0.12 2.6 101.9 7 4
3:00 SSW 3 gusts 4 0.12 2.7 101.9 8 4
2:00 SSW 5 gusts 6 0.13 2.9 102.0 7 5
1:00 SE 3 gusts 4 0.16 2.7 102.0 8 5
0:00 ESE 4 gusts 6 0.14 2.7 101.9 9 5
16 July 2026
23:00 SW 3 gusts 5 0.17 2.7 101.9 8 5

If you require additional historical weather information please visit Fisheries and Oceans Canada

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Map of Great Lakes - Lake Superior marine weather areas Kenora Airport Pukaskwa National Park Royal Island Armstrong Airport Caribou Island Marathon Airport Thunder Bay Airport Welcome Island Little Flatland Island Sault Ste. Marie Airport Wawa Airport Slate Island - 45136 Lake Of the Woods - 45148
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