Heavy Freezing Spray Warning Issued for Port Heiden to Nelson Lagoon Through Friday

Source: NOAA · Southwest Alaska coastal waters

This alert is no longer in effect.

NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

The National Weather Service has issued a Heavy Freezing Spray Warning for coastal waters between Port Heiden and Nelson Lagoon, with hazardous conditions expected through Friday afternoon.

Read this weather record in 30 seconds

Record type
Heavy Freezing Spray Warning
Affected area
Southwest Alaska coastal waters
Issued
April 6, 2026
Issuing authority
NWS Anchorage

The warning type, named area, and issue time define this record. Confirm all three against the original agency notice before treating it as current.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southwest Alaska coastal waters.

Alert Details

The National Weather Service (NWS) Anchorage AK has issued a Heavy Freezing Spray Warning for the coastal waters of Southwest Alaska. The alert was issued at 3:27 AM AKST on February 26 and remains in effect until 5:00 PM AKST on February 27.

Affected Areas

The warning specifically impacts the maritime region from Port Heiden to Nelson Lagoon, extending out to 15 nautical miles.

What You Should Do

Mariners and vessel operators are advised to avoid the warning area. Heavy freezing spray can lead to significant ice accumulation on vessels, which may compromise stability and create hazardous operating conditions. Residents and commercial interests should monitor updated forecasts from NWS Anchorage.

Expected Conditions

Dangerous maritime conditions are forecast for the duration of the alert:

  • Thursday: North winds at 20 knots with seas reaching 7 feet. Heavy freezing spray is expected.
  • Thursday Night: Northeast winds increasing to 25 knots with 5-foot seas and continued heavy freezing spray.
  • Friday: Northeast winds reaching 30 knots with seas building to 8 feet. Heavy freezing spray will persist.
  • Extended Outlook: Northeast winds of 25 to 30 knots and seas between 6 and 7 feet are expected to continue from Saturday through Monday.

Timeline

  • Effective Period: February 26, 2026, at 3:27 AM AKST until February 27, 2026, at 5:00 PM AKST.
  • Additional Advisories: A Small Craft Advisory is also in effect for tonight and Friday due to elevated wind speeds and sea heights.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Heavy Freezing Spray Warning for coastal waters between Port Heiden and Nelson Lagoon, with hazardous conditions expected through Friday 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 Southwest 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.