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St. Lawrence - St. Lawrence River: Past 24 Hour Conditions

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12:00 AM EDT 12 September 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)
12 September 2026
0:00 WSW 17 N/A N/A 101.4 12 77 8
11 September 2026
23:00 WSW 18 gusts 23 N/A N/A 101.3 12 77 8
22:00 WSW 19 N/A N/A 101.2 12 76 8
21:00 WSW 21 N/A N/A 101.2 13 74 8
20:00 WSW 24 N/A N/A 101.0 12 77 8
19:00 WSW 23 gusts 28 N/A N/A 100.9 12 73 8
18:00 WSW 24 gusts 30 N/A N/A 100.8 12 71 7
17:00 WSW 27 gusts 33 N/A N/A 100.8 12 69 7
16:00 WSW 25 gusts 31 N/A N/A 100.7 13 70 7
15:00 WSW 28 N/A N/A 100.7 13 67 7
14:00 WSW 26 N/A N/A 100.6 12 69 7
13:00 WSW 25 gusts 30 N/A N/A 100.6 13 69 7
12:00 WSW 25 gusts 30 N/A N/A 100.5 12 72 7
11:00 WSW 25 gusts 31 N/A N/A 100.5 11 77 7
10:00 W 25 N/A N/A 100.5 11 75 7
9:00 WSW 26 gusts 31 N/A N/A 100.4 11 73 6
8:00 WSW 30 N/A N/A 100.4 11 74 6
7:00 WSW 23 gusts 28 N/A N/A 100.4 11 78 7
6:00 W 26 gusts 32 N/A N/A 100.3 11 74 7
5:00 WSW 24 N/A N/A 100.2 11 77 7
4:00 WSW 23 N/A N/A 100.2 11 79 8
3:00 WSW 22 N/A N/A 100.1 12 80 8
2:00 WSW 21 gusts 26 N/A N/A 100.1 11 83 9
1:00 WSW 26 gusts 31 N/A N/A 100.0 12 79 8
0:00 WSW 26 gusts 32 N/A N/A 100.0 12 77 8

If you require additional historical weather information, please visit Climate Data Online

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport La Pocatière Miscou Island Mont-Joli Airport
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