Southwestern Grand Banks

Forecast

Marine Forecast

Issued 10:00 AM NST 12 December 2018

Today Tonight and Thursday.

Storm warning in effect.

Wind east 35 to 45 knots increasing to northeast 50 to 60 this afternoon then backing to northwest 50 to 60 this evening. Wind diminishing to northwest 35 to 45 near midnight and to northwest 25 to 35 late overnight. Wind becoming northwest 25 near noon Thursday.

Rain or snow changing to flurries late overnight. Visibility 1 mile or less in precipitation.

Waves

Issued 06:00 AM NST 12 December 2018
Today Tonight and Thursday. Seas 3 to 5 metres building to 5 to 7 this afternoon and to 7 to 9 this evening. Seas subsiding to 5 to 7 late overnight and to 3 to 5 Thursday afternoon.

Extended Forecast

Issued 03:00 AM NST 12 December 2018
Friday Wind northwest 25 to 35 knots.
Saturday Wind west 25 knots increasing to southwest 25 to 35.
Sunday Wind northwest 25 knots.

Ice Forecast

Issued 10:00 AM EST 11 December 2018 Today Tonight and Wednesday Ice free.  

[ Canadian Ice Service ]

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Weather Conditions

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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EST 11 December 2018 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Newfoundland near 4925N 5355W to 4930N
5410W to 4935N 5420W to 4945N 5435W to Newfoundland near 4950N
5540W. Sea ice south of the ice edge.

Second ice edge estimated from Newfoundland near 5025N 5625W to
5025N 5605W to 5130N 5515W to 5340N 5515W to 5630N 6020W to 5805N
6135W to 5800N 6015W then eastward. Sea ice west and north of the
ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 11 December 2018 Today Tonight and Wednesday

Ice Edge

First ice edge estimated from Newfoundland near 4925N 5355W to 4930N
5410W to 4935N 5420W to 4945N 5435W to Newfoundland near 4950N
5540W. Sea ice south of the ice edge.

Second ice edge estimated from Newfoundland near 5025N 5625W to
5025N 5605W to 5130N 5515W to 5340N 5515W to 5630N 6020W to 5805N
6135W to 5800N 6015W then eastward. Sea ice west and north of the
ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 11:00 AM EST 11 December 2018

Iceberg Limit

Iceberg limit at 0000 UTC 12 Dec estimated from Newfoundland near
5110N 5545W to 5110N 5430W to 5230N 5000W to 5500N 5000W to 5730N
5700W to 6000N 5900W.

Western iceberg limit at 0000 UTC 12 Dec estimated from the Labrador
coast near 5145N 5630W to Newfoundland near 5125N 5615W.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 11:00 AM EST 11 December 2018

Iceberg Limit

Iceberg limit at 0000 UTC 12 Dec estimated from Newfoundland near
5110N 5545W to 5110N 5430W to 5230N 5000W to 5500N 5000W to 5730N
5700W to 6000N 5900W.

Western iceberg limit at 0000 UTC 12 Dec estimated from the Labrador
coast near 5145N 5630W to Newfoundland near 5125N 5615W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Storm warning in effect

Southwestern Grand Banks

Issued 10:00 AM NST 12 December 2018

'Storm' force winds of 48 to 63 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.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM NST 12 December 2018 Today Tonight and Thursday At 10:00 a.m. NST today ridge located on a line northwest-southeast
over Funk Island Bank.
By 3:30 p.m. NST today dissipating ridge located over Belle
Isle Bank.

At 10:00 a.m. NST today intensifying low 978 mb located south of
Laurentian Fan.
By 3:00 a.m. NST Thursday low 950 mb located east of the Grand
Banks.

Marine Weather Statement

Issued 9:51 AM NST 12 December 2018 A low pressure system south of Laurentian Fan will continue to
rapidly intensify as it crosses the Grand Banks this afternoon and
tonight. Gale to storm force east to northeasterlies will spread
across southern and eastern waters ahead of the low today then shift
to gale to storm force north to northwesterlies tonight in its wake.
Storm to hurricane force southwesterlies can be expected over the
Southeastern Grand Banks this evening, shifting to hurricane force
northerlies over the Eastern Grand Banks before morning on Thursday.

Marine interests are advised that hurricane force wind warnings are
in effect for Southeastern Grand Banks and Northern Grand Banks.
Storm warnings are in effect for East Coast - Cape St. Francis and
south, Funk Island Bank and Southwestern Grand Banks. Gale warnings
are in effect for South Coast, East Coast - north of Cape St.
Francis, and Belle Isle Bank.

Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Gulf waters, East Coast - north of
Cape St. Francis, Northeast Coast, Belle Isle Bank and Funk Island
Bank.

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