Storm Warning Issued for Southeast Alaska Coastal Waters: 45-Knot Winds and 37-Foot Seas Expected

Source: NOAA · Southeast Alaska Coastal Waters

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The National Weather Service has issued a storm warning for coastal waters from Cape Decision to Cape Edgecumbe, with dangerous winds and extreme sea heights forecast through Thursday.

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) office in Juneau, AK, has issued a Storm Warning for Southeast Alaska coastal waters. The alert is currently in effect and is scheduled to remain active until Thursday afternoon.

Affected Areas

The warning specifically covers the coastal waters from Cape Decision to Cape Edgecumbe out to 15 nautical miles. The broader forecast area includes Southeast Alaska Coastal Waters from Dixon Entrance to Cape Suckling out to 100 nautical miles.

What You Should Do

According to the National Weather Service, individuals in the affected maritime areas should avoid travel and exposure to the open water. Mariners should ensure vessels are secured and monitor further updates from NWS Juneau.

Expected Conditions

Extreme marine conditions are forecast for the duration of this event:

  • Wind Speeds: Winds are expected to increase from Southeast 15 knots to South 40 knots tonight. By Thursday, winds will reach Southwest 45 knots.
  • Sea Heights: Seas will build from 11 feet to 22 feet tonight, peaking at an average height of 37 feet on Thursday. Seas are expected to subside to 27 feet and eventually 18 feet by Thursday night.
  • Precipitation: Rain showers are expected, with a slight chance of thunderstorms beginning late tonight and continuing through Thursday.

Timeline

  • Warning Issued: February 11 at 2:15 PM AKST
  • Onset of Peak Conditions: Thursday, February 12 at 5:00 AM AKST
  • Warning Expiration: Thursday, February 12 at 5:00 PM AKST

Conditions are expected to improve by Friday, with winds decreasing to Southwest 15 knots and seas subsiding to approximately 13 feet.

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 coastal waters from Cape Decision to Cape Edgecumbe, with dangerous winds and extreme sea heights forecast through Thursday.
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.