Issued 08:00 PM ADT 20 May 2018
Tonight and Monday.
Wind southwest 30 knots diminishing to west 15 to 20 this evening then veering to northwest 15 near midnight. Wind diminishing to light Monday morning then increasing to west 15 to 20 Monday afternoon.
Showers ending after midnight with a risk of thunderstorms. Fog patches dissipating early Monday morning.
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Ice ForecastsIssued 10:00 AM EDT 20 May 2018 Today Tonight and Monday
Ice EdgeIce edge estimated from Quebec near 5015N 6015W to 5000N 6000W to
5100N 5815W to Newfoundland near 5030N 5725W. Sea ice north of the
Iceberg BulletinIssued 11:00 AM EDT 20 May 2018
Iceberg LimitIceberg limit at 0000 UTC 20 May estimated from Newfoundland near
4637N 5334W to 4615N 5200W to 4600N 4630W to 4745N 4400W to 4900N
4345W to 5300N 4845W to 5600N 4900W then eastwards.
Western iceberg limit at 0000 UTC 20 May estimated from Quebec near
5047N 5859W to Newfoundland near 5002N 5742W.
Iceberg CountNo confirmed icebergs.
No watches or warnings in effect.
Technical Marine SynopsisIssued 8:00 PM ADT 20 May 2018 Tonight and Monday At 8:00 p.m. ADT tonight trough located on a line
northeast-southwest over the Maritimes.
By 10:00 a.m. ADT Monday trough located southeast of the Marine
At 10:00 a.m. ADT Monday ridge located over the Great Lakes.
By 8:00 p.m. ADT Monday ridge located on a line north-south over
Marine Weather StatementIssued 7:43 PM ADT 20 May 2018 A trough of low pressure over the Maritimes will move to lie
southeast of the marine district Monday morning. Strong to gale
Force southwesterlies ahead of the trough shift to strong
northwesterlies behind it. Over the Gulf of St. Lawrence
The northwesterlies may reach gale force this evening.
Marine interests are advised that a gale warning is in effect for
St. Lawrence - St. Lawrence River Area
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Grand Manan
- Gulf - Magdalen
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- 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
- 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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