Storm Warning Issued for Southeast Alaska Coastal Waters: Winds to 45 Knots and 40-Foot Seas Expected

Source: NOAA · Southeast Alaska Coastal Waters

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NWS Juneau has issued a Storm Warning for coastal waters between Cape Decision and Cape Edgecumbe, effective Thursday morning through Thursday afternoon.

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

This notice was issued by NOAA on February 11, 2026 and geographically references Southeast 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.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Storm Warning, Southeast Alaska) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

The National Weather Service (NWS) in Juneau, AK, has issued a Storm Warning (Alert Code: SRW) for maritime regions in Southeast Alaska. The warning is effective starting at 5:00 AM AKST on Thursday, February 12, 2026, and is currently scheduled to remain in effect until 5:00 PM AKST that same day.

Affected Areas

The primary area under this warning is the coastal waters from Cape Decision to Cape Edgecumbe, extending from 15 to 80 nautical miles offshore (Zone PKZ662). The broader forecast area includes Southeast Alaska Coastal Waters from Dixon Entrance to Cape Suckling out 100 nautical miles.

What You Should Do

The National Weather Service recommends that mariners and individuals in the affected area avoid these coastal waters. It is advised to take necessary safety precautions or seek safe harbor before the onset of hazardous wind and sea conditions.

Expected Conditions

Severe maritime conditions are forecast for the region:

  • Wind: West winds are expected to reach 45 knots on Thursday. Conditions will begin to deteriorate tonight as South winds increase to 35 knots with gusts reaching up to 55 knots.
  • Seas: Significant wave heights are forecast to reach an average of 40 feet on Thursday. Seas are expected to build from 11 feet to 26 feet tonight.
  • Precipitation: Rain showers are expected throughout the duration of the storm event.

Timeline

  • Onset: The Storm Warning begins at 5:00 AM AKST on Thursday, February 12.
  • Duration: Hazardous storm conditions are expected to persist through Thursday afternoon, with the warning ending at 5:00 PM AKST.
  • Outlook: Conditions are expected to subside starting Thursday night, with winds dropping to 30 knots and seas decreasing to approximately 18 feet by late Thursday night. By Friday, winds are forecast to decrease further to 15 knots with 13-foot seas.

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?
NWS Juneau has issued a Storm Warning for coastal waters between Cape Decision and Cape Edgecumbe, effective Thursday morning through Thursday afternoon.
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 Southeast 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.