urn:oid:2.49.0.1.124.4260330850.2026cap-pac@canada.ca2026-04-18T17:31:06-00:00ActualUpdateEnv. Can. - Can. Met. Ctr. – MontréalPublicprofile:CAP-CP:0.4layer:SOREM:1.0layer:EC-MSC-SMC:1.0layer:EC-MSC-SMC:1.1layer:SOREM:2.0Service Notice – February 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for Spring 2026 deployment. Data changes will appear in CAP following this deployment and 2) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – février 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement au printemps 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement et 2) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/cap-pac@canada.ca,urn:oid:2.49.0.1.124.4079410578.2026,2026-04-18T09:08:12-00:00 cap-pac@canada.ca,urn:oid:2.49.0.1.124.1172776287.2026,2026-04-18T09:17:01-00:00 cap-pac@canada.ca,urn:oid:2.49.0.1.124.2730311494.2026,2026-04-18T09:31:31-00:00 cap-pac@canada.ca,urn:oid:2.49.0.1.124.3418677901.2026,2026-04-18T10:29:16-00:00 cap-pac@canada.ca,urn:oid:2.49.0.1.124.1665636406.2026,2026-04-18T13:05:55-00:00 cap-pac@canada.ca,urn:oid:2.49.0.1.124.2457650117.2026,2026-04-18T14:33:50-00:00 cap-pac@canada.ca,urn:oid:2.49.0.1.124.2935702371.2026,2026-04-18T16:22:04-00:00en-CAMetsquallMonitorExpectedSeverePossiblegeneral publicprofile:CAP-CP:Event:0.4squallSAMESVA2026-04-18T17:31:06-00:002026-04-18T17:26:00-00:002026-04-19T01:04:06-00:00Environment Canadasquall watch in effect
Showers or thunderstorms this afternoon could produce squalls with wind gusts up to 40 knots.
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Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.
https://weather.gc.ca/layer:EC-MSC-SMC:1.0:Alert_Typewatchlayer:EC-MSC-SMC:1.0:Broadcast_Intrusivenolayer:SOREM:1.0:Broadcast_ImmediatelyNolayer:EC-MSC-SMC:1.1:Parent_URImsc/alert/environment/hazard/alert-3.0-ascii/consolidated-xml-2.0/20260418172632332/WH_13_73_CWTO/SQV/90715788227127507202604180503_WH_13_73_CWTO/actual/en_proper_complete_c-fr_proper_complete_c/NinJolayer:EC-MSC-SMC:1.1:CAP_countA:17507 M:90696 C:102182layer:EC-MSC-SMC:1.0:Alert_Location_Statusactivelayer:EC-MSC-SMC:1.0:Alert_Namesquall watchlayer:EC-MSC-SMC:1.0:Alert_CoverageCanadian portion of the Great Lakes and the Ontario portion of the St. Lawrence Riverlayer:EC-MSC-SMC:1.1:Designation_CodeWH_13_73_CWTOlayer:SOREM:2.0:WirelessImmediateNolayer:EC-MSC-SMC:1.1:Alert_Location_Statusactivelayer:EC-MSC-SMC:1.1:Newly_Active_Areas002912layer:EC-MSC-SMC:1.1:Event_End_Time2026-04-18T23:00:00.000ZEastern Lake Erie42.3935,-80.0799 42.2591,-80.9327 42.66,-81.1553 42.784,-81.2109 42.7293,-80.5966 42.9012,-80.3291 42.9814,-79.6261 42.9623,-79.0529 42.9389,-78.8933 42.9052,-78.9059 42.8283,-78.9353 42.3935,-80.0799layer:EC-MSC-SMC:1.0:CLC002211profile:CAP-CP:Location:0.33526003profile:CAP-CP:Location:0.33526011profile:CAP-CP:Location:0.33526014profile:CAP-CP:Location:0.33528018profile:CAP-CP:Location:0.33528052profile:CAP-CP:Location:0.33534005profile:CAP-CP:Location:0.33534010profile:CAP-CP:Location:0.33534020Western Lake Ontario43.1293,-79.322 43.1723,-79.7776 43.3464,-79.8894 43.4925,-79.7153 43.6838,-79.5584 43.8743,-79.1002 43.9453,-78.8315 43.9796,-78.5026 44.0441,-78.1201 44.0509,-77.8441 43.9912,-77.8409 43.6548,-77.8417 43.6361,-77.8418 43.6311,-78.6903 43.4504,-79.2006 43.2627,-79.0681 43.217,-79.0451 43.1293,-79.322layer:EC-MSC-SMC:1.0:CLC002912profile:CAP-CP:Location:0.33514019profile:CAP-CP:Location:0.33514020profile:CAP-CP:Location:0.33514021profile:CAP-CP:Location:0.33514024profile:CAP-CP:Location:0.33518013profile:CAP-CP:Location:0.33521005profile:CAP-CP:Location:0.33526053profile:CAP-CP:Location:0.33526065fr-CAMetgrainsMonitorExpectedSeverePossiblegrand publicprofile:CAP-CP:Event:0.4squallSAMESVA2026-04-18T17:31:06-00:002026-04-18T17:26:00-00:002026-04-19T01:04:06-00:00Environnement Canadaveille de grains en vigueur en vigueur
Des averses de pluie ou des orages cet après-midi pourraient produire des grains avec des rafales jusqu'à 40 noeuds.
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Veuillez continuer à surveiller les alertes et les prévisions émises par Environnement Canada. Pour plus d’information, écoutez la station radio de la Garde côtière canadienne ou Radiométéo.
Les bateaux sans dispositif de protection contre la foudre devraient rejoindre la rive immédiatement. Les navigateurs doivent être prêts à composer avec de possibles grains. Les bateaux vulnérables devraient se mettre à l’abri s’ils naviguent. Songez à retarder ou à reporter vos déplacements dans les secteurs visés par la veille de grains.
https://meteo.gc.ca/layer:EC-MSC-SMC:1.0:Alert_Typewatchlayer:EC-MSC-SMC:1.0:Broadcast_Intrusivenolayer:SOREM:1.0:Broadcast_ImmediatelyNolayer:EC-MSC-SMC:1.1:Parent_URImsc/alert/environment/hazard/alert-3.0-ascii/consolidated-xml-2.0/20260418172632332/WH_13_73_CWTO/SQV/90715788227127507202604180503_WH_13_73_CWTO/actual/en_proper_complete_c-fr_proper_complete_c/NinJolayer:EC-MSC-SMC:1.1:CAP_countA:17507 M:90696 C:102182layer:EC-MSC-SMC:1.0:Alert_Location_Statusactivelayer:EC-MSC-SMC:1.0:Alert_Nameveille de grainslayer:EC-MSC-SMC:1.0:Alert_Coveragesecteur canadien des Grands Lacs et le secteur ontarien du fleuve Saint-Laurentlayer:EC-MSC-SMC:1.1:Designation_CodeWH_13_73_CWTOlayer:SOREM:2.0:WirelessImmediateNolayer:EC-MSC-SMC:1.1:Alert_Location_Statusactivelayer:EC-MSC-SMC:1.1:Newly_Active_Areas002912layer:EC-MSC-SMC:1.1:Event_End_Time2026-04-18T23:00:00.000Zlac Érié Est42.3935,-80.0799 42.2591,-80.9327 42.66,-81.1553 42.784,-81.2109 42.7293,-80.5966 42.9012,-80.3291 42.9814,-79.6261 42.9623,-79.0529 42.9389,-78.8933 42.9052,-78.9059 42.8283,-78.9353 42.3935,-80.0799layer:EC-MSC-SMC:1.0:CLC002211profile:CAP-CP:Location:0.33526003profile:CAP-CP:Location:0.33526011profile:CAP-CP:Location:0.33526014profile:CAP-CP:Location:0.33528018profile:CAP-CP:Location:0.33528052profile:CAP-CP:Location:0.33534005profile:CAP-CP:Location:0.33534010profile:CAP-CP:Location:0.33534020lac Ontario Ouest43.1293,-79.322 43.1723,-79.7776 43.3464,-79.8894 43.4925,-79.7153 43.6838,-79.5584 43.8743,-79.1002 43.9453,-78.8315 43.9796,-78.5026 44.0441,-78.1201 44.0509,-77.8441 43.9912,-77.8409 43.6548,-77.8417 43.6361,-77.8418 43.6311,-78.6903 43.4504,-79.2006 43.2627,-79.0681 43.217,-79.0451 43.1293,-79.322layer:EC-MSC-SMC:1.0:CLC002912profile:CAP-CP:Location:0.33514019profile:CAP-CP:Location:0.33514020profile:CAP-CP:Location:0.33514021profile:CAP-CP:Location:0.33514024profile:CAP-CP:Location:0.33518013profile:CAP-CP:Location:0.33521005profile:CAP-CP:Location:0.33526053profile:CAP-CP:Location:0.33526065WOBleZ/eNVJaOZgFX0jMRdt+fVe2I2DfHwTWbzEQWZg=GOFkbXnsdg5jsGp0y131RrWZngu/DvbUVrdjpyDKDr+St/an/2+Q8pgLIfWGk+jb7MNGPIL0NElV0zokNIX4VxATE92eZcaw0jbDgwcXv4exIWIWguqNLkvV7AsqhSyDh9t8kxfHnt5UpCi9fN4dEN7XZaKcbKaYvW9DFLUST58gco3uMvWbVTMh3Qf/bDFIXnC+4iZBUe5ITRNaE9whdPfhRZvxlYmPmDauAZPANbvB77x4AsDW21zzVvlnFhTaf/R60VefquAEmjwo2V9X0N6LEZy7UfrF1ZprDDfEOe5RWlGDX9g/19rhWza/XuPJgxIejJ4Yu8jAefLPu+Jzyw==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WOBleZ/eNVJaOZgFX0jMRdt+fVe2I2DfHwTWbzEQWZg=Ou4Kw1yh7lVSMKWgUxELd03Ia7qMNTyBqImTZGZ0F+UB80hVrAMTQ7yvG0tSJx2w
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