St. Lawrence - St. Lawrence River: Past 24 Hour Conditions
Lake Nipissing - 45152
08:00 PM EDT 20 May 2026Buoy position: 46.23N 79.72W| Date / Time (EDT) |
Wind(knots) | Wave height(m) | Wave period(s) | Pressure(kPa) | Air temp(°C) | Water temp(°C) |
|---|---|---|---|---|---|---|
| 20 May 2026 | ||||||
| 20:00 | N 11 gusts 13 | 0.25 | 2.4 | 102.3 | 12 | 10 |
| 19:00 | N 9 gusts 11 | 0.14 | 2.1 | 102.2 | 12 | 10 |
| 18:00 | WSW 6 gusts 9 | 0.19 | 2.3 | 102.2 | 12 | 10 |
| 17:00 | WSW 9 gusts 10 | 0.25 | 2.4 | 102.1 | 11 | 10 |
| 16:00 | W 10 gusts 11 | 0.24 | 2.2 | 102.1 | 11 | 9 |
| 15:00 | WSW 10 gusts 12 | 0.25 | 2.3 | 102.1 | 11 | 9 |
| 14:00 | WSW 8 gusts 11 | 0.29 | 2.5 | 102.1 | 10 | 9 |
| 13:00 | W 9 gusts 12 | 0.32 | 2.5 | 102.1 | 9 | 9 |
| 12:00 | W 11 gusts 13 | 0.36 | 2.7 | 102.1 | 8 | 9 |
| 11:00 | WNW 11 gusts 13 | 0.38 | 3.0 | 102.0 | 8 | 9 |
| 10:00 | NNW 13 gusts 16 | 0.40 | 2.8 | 102.0 | 7 | 9 |
| 9:00 | NNW 13 gusts 16 | 0.37 | 2.9 | 101.9 | 7 | 8 |
| 8:00 | NNW 12 gusts 15 | 0.37 | 2.9 | 101.8 | 8 | 8 |
| 7:00 | NW 13 gusts 15 | 0.42 | 3.1 | 101.7 | 8 | 9 |
| 6:00 | NNW 18 gusts 22 | 0.49 | 3.1 | 101.6 | 7 | 9 |
| 5:00 | WNW 12 gusts 17 | 0.44 | 3.1 | 101.4 | 10 | 9 |
| 4:00 | WNW 17 gusts 21 | 0.53 | 3.3 | 101.3 | 10 | 9 |
| 3:00 | W 15 gusts 17 | 0.48 | 2.9 | 101.2 | 12 | 9 |
| 2:00 | W 16 gusts 19 | 0.44 | 2.6 | 101.1 | 13 | 9 |
| 1:00 | WSW 15 gusts 17 | 0.25 | 2.1 | 100.9 | 15 | 10 |
| 0:00 | SW 11 gusts 13 | 0.23 | 2.0 | 100.8 | 15 | 10 |
| 19 May 2026 | ||||||
| 23:00 | SW 11 gusts 15 | 0.18 | 1.8 | 100.8 | 16 | 10 |
| 22:00 | SW 11 gusts 13 | 0.14 | 1.8 | 100.8 | 17 | 10 |
| 21:00 | SW 8 gusts 11 | 0.12 | 1.7 | 100.7 | 17 | 10 |
| 20:00 | SW 11 gusts 15 | 0.10 | 1.7 | 100.7 | 19 | 10 |
If you require additional historical weather information please visit Fisheries and Oceans Canada
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Legend:
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
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