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Severe · Tropical Storm WarningActive alert

Tropical Storm Warning issued September 25 at 3:40AM HST by NWS Honolulu

Affecting Alenuihaha Channel; Big Island Windward Waters; Big Island Leeward Waters; Big Island Southeast Waters

In effect until: Sep 26, 2026, 2:45 AM

Alenuihaha Channel; Big Island Windward Waters; Big Island Leeward Waters; Big Island Southeast Waters

Likely impact; effects through 2:45 AM.

Mariners should remain in port, alter course, and/or secure the vessel for extreme conditions before conditions deteriorate further.

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Read the original bulletin (official text)
* WHAT...East winds 35 to 45 knots. Seas 15 to 20 feet.

* WHERE...Alenuihaha Channel, Big Island Windward Waters, Big
Island Leeward Waters and Big Island Southeast Waters.

* WHEN...Through Saturday afternoon.

* IMPACTS...Extremely strong winds will cause hazardous seas
which will likely capsize or damage vessels and severely
reduce visibility.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™