Hawaiian Coastal Waters - (Alenuihaha Channel/PHZ121) - Current Watches, Warnings and Advisories for Hawaiian Coastal Waters Issued by the National Weather Service https://www.weather.gov/hfo/watchwarn 16 Aug 2026 12:00:00 GMT 4 en-us W-HFO.webmaster@noaa.gov (Honolulu Webmaster) Current Watches, Warnings and Advisories for Hawaiian Coastal Waters (Alenuihaha Channel/PHZ121) Issued by the National Weather Service http://www.weather.gov/images/xml_logo.gif Hawaiian Coastal Waters - (Alenuihaha Channel/PHZ121) - Current Watches, Warnings and Advisories for Hawaiian Coastal Waters Issued by the National Weather Service https://www.weather.gov/hfo/watchwarn TR Warning for Alenuihaha Channel until 2000-00-00T00:00:00 WHHW70 PHFO 161200 MWWHFO URGENT - MARINE WEATHER MESSAGE National Weather Service Honolulu HI 200 AM HST Sun Aug 16 2026 PHZ121>124-170100- /O.CAN.PHFO.HU.W.3001.000000T0000Z-000000T0000Z/ /O.EXA.PHFO.TR.W.3001.000000T0000Z-000000T0000Z/ Alenuihaha Channel-Big Island Windward Waters- Big Island Leeward Waters-Big Island Southeast Waters- 200 AM HST Sun Aug 16 2026 ...TROPICAL STORM WARNING IN EFFECT... ...HURRICANE WARNING IS CANCELLED... * WHAT...Tropical Storm conditions. * WHERE...Alenuihaha Channel, Big Island Windward Waters, Big Island Leeward Waters and Big Island Southeast Waters. * WHEN...Tropical Storm force winds possible through the day. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$