Anticosti - western half
Issued 03:00 AM AST 11 December 2018
Today Tonight and Wednesday.
Wind northwest 15 to 20 knots diminishing to northwest 10 to 15 early this morning then increasing to west 20 to 25 near noon. Wind veering to northwest 15 to 20 near midnight then to north 25 Wednesday morning.
Flurries ending near midnight. Periods of snow Wednesday morning and afternoon. Visibility 1 mile or less in precipitation.
Freezing spray warning in effect.
Freezing spray beginning near noon and ending near midnight. Freezing spray beginning Wednesday morning.
Temperatures near minus 6.
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Ice ForecastsIssued 10:00 AM EST 10 December 2018 Today Tonight and Tuesday
Ice EdgeFirst ice edge estimated from Nova Scotia near 4545N 6210W to 4630N
6150W to 4705N 6400W to 4850N 6350W to 4925N 6515W to 4910N 6700W to
4955N 6605W to 4845N 6155W to 5115N 5740W to Newfoundland near 5040N
5715W. Sea ice west and north of the ice edge.
Second ice edge estimated from 4700N 6155W to 4715N 6220W to 4750N
6130W to 4735N 6105W to 4700N 6155W. Sea ice within the ice edge.
Open water except 3 tenths new ice along parts of the coasts.
Iceberg BulletinIssued 11:00 AM EST 10 December 2018
Iceberg LimitIceberg limit at 0000 UTC 11 Dec estimated from Newfoundland near
5130N 5530W to 5130N 5430W to 5230N 5000W to 5500N 5000W.
Western iceberg limit at 0000 UTC 11 Dec estimated from the Labrador
coast near 5145N 5630W to Newfoundland near 5125N 5615W.
Iceberg CountNo confirmed icebergs.
Warnings (In effect)
Anticosti - western halfIssued 03:00 AM AST 11 December 2018
Moderate or severe freezing spray is 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 AST 11 December 2018 Today Tonight and Wednesday At 3:00 a.m. AST today trough located on a line northeast-southwest
over Cabot Strait.
By 3:30 p.m. AST today departing trough located on a line
northeast-southwest over the Grand Banks.
At 8:00 p.m. AST tonight intensifying low 998 mb located southwest
of Georges Bank.
By 8:00 p.m. AST Wednesday departing low 955 mb located over the
southeastern Grand Banks.
At 3:00 a.m. AST today ridge from 1025 mb high located on a line
northwest-southeast over Maine.
By 3:30 p.m. AST today ridge from 1022 mb high located on a line
northwest-southeast over East Scotian Slope.
Marine Weather StatementIssued 2:55 AM AST 11 December 2018 A trough of low pressure near the Cabot Strait will move south to
Banquereau this morning before moving east of forecast waters. Strong
to gale force northwesterlies prevail near the trough over eastern
waters tonight into this morning. The cold northwesterlies will also
give freezing spray to much of the northern marine district into this
An intensifying low pressure system southwest of Georges Bank
Tonight will move to lie near Laurentian Fan Wednesday morning.
This will give strong to gale force north to northeasterlies to slope
waters which will increase to gale to storm force northerlies for
easternmost waters. Again, cold northerlies developing behind the low
will give freezing spray to parts of the north and western marine
Marine interests are advised that a storm warning is in effect for
Laurentian Fan. Gale warnings are in effect for East Scotian Slope,
Fourchu, Banquereau, Cabot Strait, Northumberland Strait-eastern half
and Gulf-Magdalen eastern half.
In addition, freezing spray warnings are in effect for Fundy, Grand
Manan, Lurcher, Northumberland Strait, Gulf-Magdalen, Chaleur-Miscou
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
- Grand Manan
- Gulf - Magdalen - western half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait - western half
- 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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