Southwest Coast

Forecast

Marine Forecast

Issued 08:00 PM NDT 29 March 2017

Tonight and Thursday

Gale warning in effect.

Wind light increasing to northeast 15 knots late this evening and to northeast 25 late overnight. Wind increasing to northeast 35 near noon Thursday and locally gusts to 45 along the coast Thursday late in the day.

Snow. Visibility 1 mile or less in snow.

Temperatures near zero.

Waves

Issued 06:00 PM NDT 29 March 2017
Tonight and Thursday Seas 1 metre or less building to 1 to 2 late overnight and to 2 to 3 near noon Thursday. Seas building to 3 to 4 Thursday evening.

Extended Forecast

Issued 03:30 PM NDT 29 March 2017
Friday Wind north 40 to 50 knots diminishing to north 25 to 35 in the afternoon.
Saturday Wind north 25 to 35 knots diminishing to north 15 to 20.
Sunday Wind east 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 29 March 2017 Today Tonight and Thursday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Atlantic - Newfoundland marine weather areas Southwestern Grand Banks - 44138 Banquereau - 44139 Tail of the Bank - 44140 Nickerson Bank - 44251 Northeast Burgeo Bank - 44255 Blanc-Sablon Airport Cap Whittle Chevery Natashquan Airport Heath Point Miscou Island Grand Étang Ingonish Beach North Mountain St.Paul Island J.A. Douglas McCurdy Sydney Airport Charlottetown Airport East Point North Cape Argentia Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques Rocky Harbour Sagona Island St. Anthony Airport St. John's Int'l Airport St. Lawrence Stephenville Airport Twillingate Winterland Wreckhouse Cartwright Airport Mary's Harbour Grates Cove Pool's Island Marticot Island Long Pond Eskasoni (First Nations) Îles de la Madeleine Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 29 March 2017 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Nova Scotia near 4520N 6100W to 4505N 6020W
to 4500N 5905W to 4555N 5820W to Newfoundland near 4735N 5900W. Sea
ice northwest of the ice edge.

Ice Coverage

Open water.

 

Iceberg Bulletin

Issued 11:00 AM EDT 29 March 2017

Iceberg Limit

Iceberg limit at 0000 UTC 29 Mar estimated from Newfoundland near
4726N 5300W to 4515N 4900W to 4515N 4600W to 4700N 4330W to 5000N
4330W to 5145N 4530W to 5300N 5000W to 5600N 5200W then eastwards.

Western iceberg limit at 0000 UTC 29 Mar estimated from Newfoundland
near 4856N 5830W to Quebec near 5012N 6039W.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Southwest Coast

Issued 8:00 PM NDT 29 March 2017

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 8:00 PM NDT 29 March 2017 Tonight and Thursday At 8:00 p.m. NDT tonight ridge located on a line northwest-southeast
over Newfoundland.
By 3:00 a.m. NDT Thursday dissipating ridge located on a line
northwest-southeast over the northern Grand Banks.

At 8:00 p.m. NDT tonight deepening low 997 mb located south of
Nova Scotia.
By 8:00 p.m. NDT Thursday low 968 mb located over the southern
Grand Banks.

Marine Weather Statement

Issued 7:53 PM NDT 29 March 2017 A low pressure system is forecast to track into the Southern Grand
Banks from the west on Thursday then stall as it deepens into a major
storm before moving away on Saturday. Strong to gale force
northeasterlies are expected to develop over all waters ahead of this
system Thursday. Beyond the forecast period, winds are likely to
reach storm force over eastern waters Thursday night through Friday
night.

Marine interests are advised that gale warnings are in effect for all
waters except Northeast Coast - Cape St. John and south, Belle Isle
Bank, and Funk Island Bank.

A very long duration of gale to storm force northerly winds is
expected with this system from Thursday night through Saturday over
most of the marine district. Over the Northeast Coast as well as the
East Coast, particularly north of Cape St. Francis, these persistent
northerly winds could result in extensive ice buildup or pressure,
both along the outer coastline and in the bays. High waves and
pounding surf are also likely along the east facing coastline of the
Avalon Peninsula. Mariners are advised to consider what impacts these
events could pose and closely monitor future forecasts when
determining what, if any precautions might be needed.

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