Moderate Storm Surge ● Monitoring
yellow warning - storm surge - in effect, Canada
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
This warning is in effect for parts of the coast due to the following hazard(s):
- Higher than normal water levels
Storm surge is expected at high tides at Herschel Island between now and Tuesday.
Water levels are expected to reach 25 to 30 cm above highest astronomical tide and may cause moderate flooding.
These high water levels will return at high tides in the overnight hours through Tuesday. Minor flooding may also occur at high tides in the afternoon.
These conditions can cause damage to infrastructure near the coast, including boats beached or anchored along the shoreline.
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This warning is issued when high water levels pose a threat to coastal regions due to tides, storm surge and/or waves.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to YTstorm@ec.gc.ca or post reports on social media using #YTStorm.
Measurements
| Coordinates | 69.5628, -139.0465 |
|---|---|
| Region | Coastline of Yukon incl. Herschel Island |
| Location Precision | polygon |
| Issuing Authority | Canada — ca-msc-xx |
| Cap Urgency | Immediate |
| Cap Certainty | Likely |
| Cap Expires | 2026-10-13T02:38:43-00:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 7 days ago (Oct 12, 2026 10:41 UTC) · we last heard from WMO Alert Hub (national weather services) 35 seconds ago
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Official authorities in Canada
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for Canada →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Understanding surge zones, evacuation timing, and why storm surge is the deadliest part of a tropical cyclone.
Open Storm Surge Safety Guide →Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.