Issued 03:00 AM ADT 05 August 2020
Today Tonight and Thursday.
Strong wind warning in effect.
Wind easterly 10 to 15 knots increasing to southerly 20 to 25 this morning then veering to southwest 15 to 20 near midnight. Wind southwest 15 to 20 Thursday.
Showers today overnight and Thursday morning.
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Ice ForecastsIssued 10:00 AM EDT 25 May 2020
Forecasts available to mariners upon request.
Warnings (In effect)
Northumberland StraitIssued 03:00 AM ADT 05 August 2020
'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Technical Marine SynopsisIssued 3:00 AM ADT 5 August 2020 Today Tonight and Thursday At 3:00 a.m. ADT today ridge located on a line north-south over
the Gulf of St. Lawrence.
By 10:00 a.m. ADT Thursday ridge located southeast of the Marine
At 3:30 p.m. ADT today trough located on a line north-south
By 8:00 p.m. ADT Thursday trough located on a line north-south
over the Gulf of St. Lawrence.
Marine Weather StatementIssued 2:42 AM ADT 5 August 2020 Tropical cyclone information statement.
At 3:00 A.M. ADT, post-tropical storm Isaias was located near 46.4
degrees north and 72.1 degrees west, or about 89 nautical miles
northeast of Montréal. Isaias has a minimum central pressure of 1000
millibars and maximum sustained winds of about 40 knots.
Isaias is currently moving north-northeastward at 27 knots, and is
expected to weaken and merge with another low pressure system
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
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