Grand Manan, Canada Marine Forecast, Warnings and Alerts

Canada

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Canada 7 Day High and Low Temperatures Forecast

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Grand Manan

Marine Forecast

Issued 08:00 PM ADT 09 May 2025

Tonight and Saturday.

Strong wind warning in effect.

Wind northeast 20 to 25 knots diminishing to northeast 15 to 20 late overnight then increasing to northeast 25 Saturday morning. Wind diminishing to variable 15 to 20 late Saturday afternoon then increasing to northwest 20 to 25 Saturday evening.

Showers beginning near midnight changing to rain Saturday morning with a risk of thunderstorms then to showers Saturday evening. Fog banks forming near midnight.

Winds

Issued 08:00 PM ADT 09 May 2025

Tonight and Saturday. Strong wind warning in effect. Wind northeast 20 to 25 knots diminishing to northeast 15 to 20 late overnight then increasing to northeast 25 Saturday morning. Wind diminishing to variable 15 to 20 late Saturday afternoon then increasing to northwest 20 to 25 Saturday evening.

Waves

Issued 05:00 PM ADT 09 May 2025

Tonight and Saturday. Seas 1 metre or less building to 1 to 2 near noon Saturday then subsiding to 1 or less Saturday evening.

Weather & Visibility

Issued 08:00 PM ADT 09 May 2025

Tonight and Saturday. Showers beginning near midnight changing to rain Saturday morning with a risk of thunderstorms then to showers Saturday evening. Fog banks forming near midnight.

Ice Forecasts

Issued 10:00 AM EDT 9 May 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Quebec near 5029N 5935W to 5024N 5913W to 5104N 5745W to Newfoundland near 5049N 5704W. Sea ice north of the ice edge.

Ice Coverage

Ice free.

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 8:00 PM ADT 09 May 2025

'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 or Weatheradio stations.

Technical Marine Synopsis

Issued 8:00 PM ADT 9 May 2025 Tonight and Saturday At 8:00 p.m. ADT tonight trough located over the southern Marine
District.
By 3:00 a.m. ADT Saturday weakening trough located over the southern
Marine District.

At 3:00 a.m. ADT Saturday low 1009 mb located near Cape Cod.
By 8:00 p.m. ADT Saturday low 1002 mb located near Grand Manan.

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