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Marine Forecasts for St. Lawrence (Cornwall to Anticosti) and Saguenay Rivers


* NOTE: Corrected and/or amended bulletins are listed first *

 
FQCN13 CWUL 050700
Marine forecasts for the St. Lawrence and Saguenay Rivers issued by
Environment Canada at 3:00 a.m. EDT Saturday 5 September 2026 for
today tonight and Sunday.
The next scheduled forecast will be issued at 3:00 p.m. EDT.

Fog implies visibility less than 1 mile.

Cornwall to Montréal.
Strong wind warning in effect.
Wind light increasing to northeast 10 to 15 knots early this
 afternoon and to northeast 15 to 25 early this evening. Wind
 diminishing to northeast 10 to 15 near midnight then becoming light
 Sunday morning. Wind becoming northwest 10 to 15 Sunday afternoon
 then becoming light Sunday evening. Scattered showers ending near
 midnight.

Montréal to Trois-Rivières.
Strong wind warning in effect.
Wind northeast 10 to 15 knots increasing to northeast 15 to 25 late
 this afternoon then diminishing to northeast 10 to 15 near midnight.
 Wind becoming light Sunday morning then becoming northwest 10 to 15
 Sunday afternoon. Wind becoming light Sunday evening. Scattered
 showers ending near midnight.

Trois-Rivières to Donnacona.
Wind light increasing to east 10 to 15 knots this morning and to
 northeast 15 to 20 early this evening. Wind diminishing to light
 near midnight then becoming northwest 10 to 15 Sunday afternoon.
 Wind becoming light Sunday evening. Scattered showers ending near
 midnight. Fog patches forming near midnight and dissipating Sunday
 morning.

Donnacona to Beauport.
Strong wind warning in effect.
Wind northeast 10 to 15 knots increasing to northeast 15 to 25 this
 morning then diminishing to northeast 10 to 15 near midnight. Wind
 becoming light Sunday morning. Scattered showers ending near
 midnight. Fog patches forming near midnight and dissipating Sunday
 morning.

Beauport to L'Isle-aux-Coudres.
Strong wind warning in effect.
Wind northeast 15 to 25 knots increasing to northeast 25 to 30 this
 morning then diminishing to northeast 15 near midnight. Wind
 diminishing to light Sunday morning. Scattered showers ending near
 midnight.

L'Isle-aux-Coudres to Tadoussac.
Strong wind warning in effect.
Wind northeast 15 to 25 knots increasing to northeast 25 to 30 near
 noon then diminishing to northeast 15 near midnight. Wind
 diminishing to light Sunday morning. Showers ending this evening.

Saguenay to Tadoussac.
Wind light increasing to east 15 to 20 knots early this morning then
 diminishing to east 10 to 15 early this evening. Wind becoming light
 late this evening then increasing to west 15 to 20 Sunday morning.
 Showers ending this evening. Fog banks dissipating this morning.

Tadoussac to Pointe à Michel.
Strong wind warning in effect.
Wind northeast 25 to 30 knots diminishing to northeast 15 early this
 evening and to light this evening. Wind light Sunday. Showers ending
 this evening. Fog banks dissipating near noon.

Pointe à Michel to Pointe-des-Monts.
Strong wind warning in effect.
Wind northeast 25 to 30 knots diminishing to northeast 15 early this
 evening and to light late this evening. Wind becoming southwest 10
 to 15 Sunday afternoon. Showers ending near noon. Fog banks
 dissipating this morning.

Pointe-des-Monts to Anticosti - northern half.
Strong wind warning in effect.
Wind northeast 15 to 25 knots diminishing to east 10 to 15 near noon
 then becoming light late this afternoon. Wind becoming northeast 15
 after midnight then diminishing to light Sunday morning. Wind
 becoming southwest 15 Sunday afternoon. Showers and fog banks ending
 this morning.

Pointe-des-Monts to Anticosti - southern half.
Strong wind warning in effect.
Wind northeast 15 to 25 knots diminishing to east 10 to 15 this
 afternoon then becoming light early this evening. Wind becoming
 northeast 15 overnight then diminishing to light near noon Sunday.
 Wind becoming southwest 10 to 15 Sunday afternoon. Showers and fog
 banks ending this morning.

End
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