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  Storm Center: Weather Alerts: Warnings


 
My Location: San Francisco, CA 
 
Current Time: 05:11:10 PM PDT

Other Alerts  
Weather Alert
    Other Weather Alerts
Type Storm Surge Warning

Special Weather Statement
Sat Aug 23 10:58:00 PDT 2025

Issued By
Issuing Time Sat, 23 Aug 2025 09:28:24 PDT
Broadcast Time Sat, 23 Aug 2025 09:28:24 PDT
Valid Until Sun, 24 Aug 2025 01:28:24 PDT
Brief Description Storm Surge Warning
Detailed Description Storm surge is expected to return on Saturday afternoon at Herschel Island. An even stronger and more significant event is expected on Tuesday morning. The highest water level on Saturday is expected to reach 20 to 30 cm above highest astronomical tide in the afternoon. With each subsequent high tide, some minimal flooding is possible with highest water levels reaching 15 to 25 cm above highest astronomical tide. On Tuesday morning, a more significant event is expected with the high tide where the highest water levels are expected to reach 40 to 50 cm above highest astronomical tide. Water levels are expected to slowly recede Tuesday night and into Wednesday morning. Moderate flooding is likely. These conditions can cause damage to infrastructure near the coast, including boats beached or anchored along the shoreline. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NTstorm@ec.gc.ca or post on X using #NTstorm. ### These warnings are issued when water levels pose a flooding threat to coastal areas.
       
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