Cabot Strait - northern half Marine Forecast and Alerts

Canada

N.America Satellite

Canada Radar

Current Conditions

Canada 7 Day High and Low Temperatures Forecast

10 Day Forecast

Lightning Danger Radar

Lightning Strikes Radar

Cabot Strait - northern half

Marine Forecast

Issued 03:00 AM ADT 20 June 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind variable 10 to 15 knots becoming southwest 15 early this evening then increasing to west 20 near midnight. Wind veering to northwest 25 Sunday morning.

Showers ending this evening with a risk of thunderstorms. Showers overnight and Sunday. Fog patches dissipating Sunday afternoon.

Winds

Issued 03:00 AM ADT 20 June 2026

Today Tonight and Sunday. Strong wind warning in effect. Wind variable 10 to 15 knots becoming southwest 15 early this evening then increasing to west 20 near midnight. Wind veering to northwest 25 Sunday morning.

Waves

Issued 05:00 PM ADT 19 June 2026

Tonight and Saturday. Seas 1 to 2 metres.

Weather & Visibility

Issued 03:00 AM ADT 20 June 2026

Today Tonight and Sunday. Showers ending this evening with a risk of thunderstorms. Showers overnight and Sunday. Fog patches dissipating Sunday afternoon.

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.

Iceberg Bulletin

Issued 2:50 PM EDT 19 June 2026

Iceberg Limit

Iceberg limit at 0000 UTC 20 Jun estimated from Newfoundland near
4705N 5530W to 4310N 5040W to 4315N 4830W to 4525N 4505W to 4920N
4435W to 5315N 4800W to 5900N 5500W to 5825N 5130W to 5615N 4850W
then eastward.

Iceberg Count

No confirmed icebergs.

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - northern half

Issued 03:00 AM ADT 20 June 2026

'Strong' winds of 20 to 33 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.

Technical Marine Synopsis

Issued 3:00 AM ADT 20 June 2026 Today Tonight and Sunday At 3:00 a.m. ADT today low 990 mb located over the Gulf of
St. Lawrence.
By 8:00 p.m. ADT tonight departing low mb located over southwestern
Newfoundland.

At 10:00 a.m. ADT Sunday approaching ridge located over the Gulf
of St. Lawrence.

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