Storm Warning Issued for West of Barren Islands and Kamishak Bay Through Thursday Morning

Source: NOAA · South Central Alaska Coastal Waters

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The National Weather Service has issued a Storm Warning for Kamishak Bay and the Barren Islands, with winds up to 55 knots and extreme freezing spray expected.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on March 5, 2026 and geographically references South Central Alaska Coastal Waters. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

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Alert Details

The National Weather Service in Anchorage, AK, has issued a Storm Warning for the coastal waters of the Northern Gulf of Alaska. This alert is effective starting at 5:00 PM AKST on February 25 and remains in place until 5:00 AM AKST on February 26. Additionally, a Heavy Freezing Spray Warning is in effect through Thursday night.

Affected Areas

The primary geographic scope of this warning includes the waters West of Barren Islands, including Kamishak Bay. The broader forecast area covers the Northern Gulf of Alaska Coast up to 100 nautical miles out, including Kodiak Island and Cook Inlet.

What You Should Do

The NWS response instruction for this event is to avoid the area. Mariners should be aware that extreme freezing spray can cause ice to accumulate rapidly on vessels at a rate of 4 cm per hour or greater, which can significantly impact vessel stability and safety.

Expected Conditions

  • Wind Speed: Northwest winds starting at 55 knots, diminishing to 45 knots after midnight. Winds will remain around 45 knots through Thursday.
  • Sea State: Average seas of 16 feet are expected tonight, subsiding to 11 feet on Thursday.
  • Freezing Spray: Extreme freezing spray is forecast tonight (4 cm/hr or greater), transitioning to heavy freezing spray through Thursday night.

Timeline

  • Storm Warning Onset: February 25 at 5:00 PM AKST
  • Storm Warning Expiration: February 26 at 5:00 AM AKST
  • Extended Outlook: Winds are expected to diminish further to 25 knots by Friday, with seas subsiding to 5 feet by Friday night.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Storm Warning for Kamishak Bay and the Barren Islands, with winds up to 55 knots and extreme freezing spray expected.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects South Central Alaska Coastal Waters. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.