Severe Hurricane / Cyclone / Typhoon ● Closed

Tropical Storm Warning issued September 25 at 9:32AM HST by NWS Honolulu HI, United States of America

Event time: Last updated: Oct 4, 2026 United States
Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

* 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.

Measurements

Coordinates39.9645, -100.8105
RegionAlenuihaha Channel; Big Island Windward Waters; Big Island Leeward Waters; Big Island Southeast Waters
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en-marine
Cap UrgencyImmediate
Cap CertaintyLikely
Cap Expires2026-09-26T10:00:00-10:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 24 days ago (Sep 25, 2026 19:33 UTC) · we last heard from WMO Alert Hub (national weather services) 40 seconds ago

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About this location

The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.

Area as the agency stated it: Alenuihaha Channel; Big Island Windward Waters; Big Island Leeward Waters; Big Island Southeast Waters

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

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What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Preparing for hurricane season, understanding watches vs warnings, storm surge evacuation, and riding out the storm safely.

Open Hurricane Safety Guide →

Earlier hurricane / cyclone / typhoon events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Tropical Storm Warning — Kauai Southwest Severe Hurricane / Cyclone / Typhoon United States closed via NWS Aug 17, 2026 Tropical Storm Warning — Kauai Mountains Severe Hurricane / Cyclone / Typhoon United States closed via NWS Aug 17, 2026 Tropical Storm Warning — Kauai North Severe Hurricane / Cyclone / Typhoon United States closed via NWS Aug 17, 2026 Tropical Storm Warning — Kauai South Severe Hurricane / Cyclone / Typhoon United States closed via NWS Aug 17, 2026

Nearby & related events

Wind Advisory issued October 19 at 1:35PM AKDT until October 20 at 10:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 33 min ago Wind Advisory issued October 19 at 1:35PM AKDT until October 21 at 4:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 33 min ago Wind Advisory issued October 19 at 1:35PM AKDT until October 21 at 4:00AM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 33 min ago Winter Weather Advisory issued October 19 at 1:34PM AKDT until October 21 at 4:00AM AKDT by NWS Anchorage AK, United States of America Moderate Cold Wave United States active via WMO 34 min ago Winter Weather Advisory issued October 19 at 1:34PM AKDT until October 20 at 10:00PM AKDT by NWS Anchorage AK, United States of America Moderate Cold Wave United States active via WMO 34 min ago

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.