Heavy Freezing Spray Warning Issued for Castle Cape to Cape Tolstoi
This alert is no longer in effect.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 the Alaska Peninsula waters from Castle Cape to Cape Tolstoi, effective Saturday evening through Sunday.
Read this weather record in 30 seconds
- Record type
- Heavy Freezing Spray Warning
- Affected area
- Alaska Peninsula Waters
- Issued
- April 6, 2026
- Issuing authority
- NWS Anchorage AK
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 Alaska Peninsula Waters.
Alert Details
The National Weather Service (NWS) Anchorage AK has issued a Heavy Freezing Spray Warning for the coastal waters of Southwest Alaska. This alert (NWS code UPW) is issued when conditions are favorable for significant ice accumulation on vessels.
Affected Areas
The warning specifically covers the maritime region from Castle Cape to Cape Tolstoi, extending out to 15 nautical miles (UGC: PKZ752).
What You Should Do
According to the NWS, the recommended response is to avoid the area. Mariners should be aware that heavy freezing spray can cause rapid ice accumulation on ships, which can significantly impact vessel stability and safety.
Expected Conditions
Conditions in the warning area are expected to be hazardous for maritime travel:
- Winds: Northwest winds reaching up to 40 knots tonight, decreasing slightly to 35 knots on Sunday.
- Seas: Wave heights are forecast at 7 feet tonight and 6 feet on Sunday.
- Visibility: Areas of blowing snow are expected to accompany the freezing spray.
- Hazards: Heavy freezing spray is forecast to develop Saturday night and persist through Sunday.
Timeline
The Heavy Freezing Spray Warning is effective starting at 5:00 PM AKST on Saturday, March 7, 2026. The warning is currently scheduled to expire at 5:00 PM AKDT on Sunday, March 8, 2026.
Original source: NOAA Official Notice ↗
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