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South Labrador Sea

Forecast

Marine Forecast

Issued 09:30 AM NDT 17 March 2026

Today Tonight and Wednesday.

Storm warning in effect.

Wind southeast 35 to 45 knots increasing to southwest 45 to 55 this evening then diminishing to west 35 Wednesday afternoon.

Snow becoming freezing rain or snow this afternoon then showers and fog patches this evening. Flurries overnight and Wednesday. Visibility 1 mile or less in snow and in fog patches.

Freezing spray warning in effect.

Over open water moderate freezing spray ending near noon. Severe freezing spray beginning overnight becoming moderate Wednesday afternoon.

Temperatures minus 8 to minus 2 rising to plus 6 this evening then falling to minus 13 to minus 5 Wednesday morning.

Waves

Issued 06:00 AM NDT 17 March 2026
Today Tonight and Wednesday. Outside the ice edge seas 1 to 2 metres building to 2 to 3 this morning and to 3 to 5 this afternoon except 5 to 7 over northeastern sections Wednesday morning and afternoon.

Extended Forecast

Issued 04:00 AM NDT 17 March 2026
Thursday Wind west 35 knots diminishing to west 25 in the afternoon.
Friday Wind south 15 knots.
Saturday Wind south 25 knots increasing to north 25 to 35.

Ice Forecast

Issued 10:00 AM EDT 17 March 2026 Today Tonight and Wednesday Bergy water except 4 tenths first-year ice including a trace of old ice in the western section. 

[ Canadian Ice Service ]

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Map of Arctic - Eastern Arctic marine weather areas Tasiujaq Airport Saglek Nain Airport Cape Kiglapait Chesterfield Inlet Airport Cape Kakkiviak Coral Harbour Airport Salluit Airport Quaqtaq Airport Kangiqsualujjuaq Airport Kangirsuk Airport Akulivik Airport Kangiqsujuaq Airport Aupaluk Airport Ivujivik Airport Puvirnituq Airport Cape Liverpool Igloolik Airport Sanirajak (Hall Beach Airport) Grise Fiord Airport Fort Ross Cape Mercy Clyde River Airport Shepherd Bay Airport Whale Cove Airport Iqaluit Airport Cape Hooper Cape Dyer Kinngait (Cape Dorset Airport) Baker Lake Airport Arctic Bay Qikiqtarjuaq Airport Brevoort Island Pangnirtung Airport Wager Bay Taloyoak Airport Rowley Island Airport Resolute Airport Naujaat Pond Inlet Airport Gjoa Haven Airport Longstaff Bluff Kimmirut Airport Kugaaruk Airport Rankin Inlet Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 17 March 2026 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4746N 5243W to 5131N 4848W
to 5511N 5207W to 5652N 5608W to 6000N 5815W to 6159N 5721W then
northeastward. Sea ice west of the ice edge.

Ice Coverage

Bergy water except 4 tenths first-year ice including a trace of old
ice in the western section.

 

Iceberg Bulletin

Issued 2:30 PM EDT 16 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Mar estimated from Newfoundland near
4640N 5310W to 4535N 4600W to 4540N 4400W to 4815N 4300W to 5200N
4700W to 5650N 5345W to 5930N 5700W to 6120N 5400W to 5815N 4855W
then eastward.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Storm warning in effect

South Labrador Sea

Issued 09:30 AM NDT 17 March 2026

'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.

Freezing spray warning in effect

South Labrador Sea

Issued 09:30 AM NDT 17 March 2026

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.

Synopsis

Technical Marine Synopsis

Issued 9:30 AM NDT 17 March 2026 Today Tonight and Wednesday At 9:30 a.m. NDT today deepening low 962 mb located over central
Quebec.
By 9:30 a.m. NDT Wednesday low 947 mb located over the Northwest
Labrador Sea.

At 9:30 a.m. NDT today ridge located on a line northwest-southeast
over the East Labrador Sea.
By 4:00 p.m. NDT today departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 9:24 AM NDT 17 March 2026 A deepening low pressure system will track northwards across Quebec
today and move over North Labrador Sea by Wednesday morning. Gale to
storm force southerly to easterly winds will develop over all waters
ahead of the system, then shift to storm to hurricane force
southwesterly to northwesterlies behind it.

Marine interests are advised that hurricane force wind warnings are
in effect for North Labrador Coast - north of Saglek and Northwest
Labrador Sea. Storm warnings are in effect for Mid Labrador Coast,
South Labrador Sea, and East Labrador Sea. Gale warnings are in
effect for all remaining waters.

Marine interests are also advised that freezing spray warnings are in
effect for the Labrador Sea.

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