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Sakuna · Gulf of Alaska

Alaska offshore storm warning extended, with gusts forecast to 75 knots

Sunday’s revised forecast extends the storm warning through midnight Monday night. Gale warnings on either side make a 27-hour stretch of hazardous offshore conditions.

Isinulat 4 minutong pagbasa · 26 sanggunian

Mababasa sa Ingles

How long will crews off Alaska face dangerous conditions—not just the strongest winds? Between Icy Cape and Cape Suckling, the warning schedule stretches well beyond the storm’s forecast peak: six hours under a Gale Warning before it, 15 hours under a Storm Warning, then another six hours under a Gale Warning. That is 27 continuous hours under gale or storm warnings, with very large seas still forecast after the strongest winds ease.⁠26

The National Weather Service in Juneau strengthened its forecast in a message issued at 3:27 p.m. Alaska Standard Time on Sunday, November 8, 2026. East winds during the storm period are forecast at 40–60 knots, with gusts reaching 75 knots and seas of 35–40 feet. The Storm Warning now runs from 9 a.m. Monday, November 9, through midnight Monday night—the beginning of Tuesday, November 10.⁠26

For a vessel planning a passage, the central change is not just the higher gust forecast. The storm-warning period ends six hours later than the earlier alert’s stated 6 p.m. Monday ending. And when that extended period expires, the forecast still calls for seas of 30–35 feet. A change in warning label is not a return to benign water.⁠1⁠26

One offshore zone, several warning periods

The affected waters are marine forecast zone PKZ672, identified by the Weather Service as “Icy Cape to Cape Suckling from 15 to 80 NM.” Those distances are nautical miles offshore in the Gulf of Alaska. The 35–40-foot sea forecast applies to those specified marine waters; it is not a forecast of water rising that high on land, nor is this warning an evacuation order for coastal communities.⁠26

The approach to the storm matters because hazardous conditions arrive before the Storm Warning starts. Sunday’s message lists an initial Small Craft Advisory lasting until 6 p.m., with seas of 6–8 feet. Another advisory covers midnight to 3 a.m. Monday. The forecast then deteriorates sharply during the six-hour gale period leading into the storm. All local times below are Alaska Standard Time.⁠26

The offshore warning schedule

  1. Monday, November 9, midnight–3 a.m. AKST

    Small Craft Advisory: east winds of 25–35 knots, gusts to 45 knots and seas of 7–9 feet.

    26
  2. Monday, November 9, 3–9 a.m. AKST

    Gale Warning: east winds of 30–50 knots, gusts to 65 knots and seas of 25–30 feet.

    26
  3. Monday, November 9, 9 a.m.–midnight AKST

    Storm Warning: east winds of 40–60 knots, gusts to 75 knots and seas of 35–40 feet.

    26
  4. Tuesday, November 10, midnight–6 a.m. AKST

    Gale Warning: southeast winds of 35–45 knots, gusts to 60 knots and seas of 30–35 feet.

    26

That sequence puts the practical departure decision ahead of 9 a.m. Monday. By 3 a.m., the forecast already calls for seas of 25–30 feet and gusts up to 65 knots. Waiting for the storm-warning hours to begin would overlook a substantial period of dangerous conditions beforehand. The 27-hour total describes the adjoining warning periods, not 27 hours of storm-force winds.⁠26

Stronger winds and a clearer clock

The earlier alert, issued at 11:59 a.m. Sunday, forecast east winds of 35–55 knots and gusts up to 70 knots. Its description placed the Storm Warning between 9 a.m. and 6 p.m. Monday, but its timing fields were inconsistent. Those figures and that ending time have been superseded by the afternoon message: the wind range rises to 40–60 knots, the maximum gust forecast rises to 75 knots, and the warning continues through midnight. The forecast sea range remains unchanged at 35–40 feet.⁠1⁠26

The later message also supplies a consistent clock. Its encoded storm-warning interval agrees with the written schedule: 18:00 UTC on November 9 through 09:00 UTC on November 10, or 9 a.m. Monday through midnight Monday night in Alaska Standard Time. That distinction matters here: 18:00 UTC Monday marks the start of the storm-warning period, not its end.⁠26

These are forecasts, not reports that the stated wind speeds or sea heights have already been measured. The warning likewise does not establish that any vessel has capsized or suffered damage. It identifies the consequences mariners must prepare for, warning that storm-force winds and hazardous seas can capsize or damage vessels and reduce visibility.⁠26

The Weather Service’s advice is direct: “Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.” For crews deciding whether to depart, continue a passage or prepare a vessel, that advice has to be read against the whole sequence—not only the hours carrying the strongest warning.⁠26

The forecast offers no immediate relief at midnight Monday night. Winds shift from east to southeast, but gusts can still reach 60 knots, while seas remain at 30–35 feet through the following gale period. The scheduled 6 a.m. Tuesday end of that warning is a forecast boundary, not a guarantee of safe passage. The answer to the opening question is therefore longer than the storm’s peak: dangerous conditions are forecast on both sides of it, and the sea remains a serious hazard after the Storm Warning expires.⁠26

Mga sanggunian5

Sa mga source na binanggit dito, ang National Weather Service ang unang naglathala, 13 oras bago isahimpapawid ang ulat na ito. 2 pang news outlet ang sumunod.

2 news outlet na walang petsa:NOAATomorrow.io Weather API Docs

Lahat ng source, ayon sa news outlet

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Gaya ng isinahimpapawid
  1. A storm threatens vessels off Alaska with seas up to forty feet.
  2. East winds are forecast at forty to sixty knots, with gusts reaching seventy-five knots. The storm warning now lasts six hours longer, and dangerous seas continue afterward.
  3. How long will crews face hazardous conditions before and after the strongest winds?
  4. The affected waters lie between Icy Cape and Cape Suckling in the Gulf of Alaska, fifteen to eighty nautical miles offshore. Mariners will find that area listed as forecast zone P K Z six seventy-two.
  5. The storm warning begins at nine Monday morning and continues through midnight Monday night, the beginning of Tuesday. All times are Alaska Standard Time. The updated forecast was issued Sunday afternoon, November eighth.
  6. East winds rise from thirty-five to fifty-five knots to forty to sixty. Gusts increase from seventy to seventy-five knots. The earlier six p.m. ending moves to midnight Monday night, keeping the storm warning in place six hours longer.
  7. The earlier alert had conflicting timing information. The updated warning gives a clear schedule, with its encoded start and end times matching the written hours. Crews can plan around a fifteen-hour storm-warning period.
  8. The forecast for seas stays at thirty-five to forty feet during that storm period. Those are expected offshore conditions. For vessels making a passage, the combination of strong winds and very large seas brings the risk of capsizing or damage.
  9. Crews deciding whether to leave port have an earlier deadline to consider. Hazardous conditions build before the storm warning begins, with small craft advisories followed by a gale warning during the hours before nine Monday morning.
  10. The first small craft advisory lasts until six Sunday evening, with seas of six to eight feet. From midnight to three Monday morning, east winds reach twenty-five to thirty-five knots, gusting to forty-five, with seas of seven to nine feet.
  11. By three Monday morning, the forecast calls for a much rougher sea. East winds reach thirty to fifty knots, with gusts up to sixty-five knots. Seas climb to twenty-five to thirty feet during the gale warning that lasts until nine.
  12. The first gale warning covers three to nine Monday morning. The storm warning then lasts fifteen hours, from nine until midnight. Another gale warning takes over at midnight and runs until six Tuesday morning, extending the danger beyond the storm period.
  13. That schedule gives crews twenty-seven continuous hours under gale or storm warnings. The strongest forecast conditions occupy the middle of that stretch, but the surrounding hours also carry winds and seas capable of making a passage dangerous.
  14. Storm-force winds and hazardous seas can capsize or damage vessels and reduce visibility. Mariners are advised to remain in port, change course, or secure their vessels for severe conditions. Those preparations need to account for the hazardous hours on both sides of the storm warning.
  15. At midnight Monday night, the wind shifts to the southeast, with speeds forecast at thirty-five to forty-five knots. Gusts can still reach sixty knots. Seas remain at thirty to thirty-five feet through the following gale-warning period, which ends at six Tuesday morning.

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