{"place":{"name":"Honolulu","type":"city","country":"US","state":"HI","state_name":"Hawaii","county":"Honolulu County","county_fips":"15003","url":"https://forecastbar.com/weather-alerts/hi/honolulu/"},"generated_at":"2026-09-07T04:21:45Z","active_alerts":[{"alert_type":"Flood Watch","severity":"Severe","urgency":"Future","certainty":"Possible","headline":"Flood Watch","area":"Waianae Coast; Oahu North Shore; Olomana; Central Oahu; Waianae Mountains; Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; East Honolulu; Honolulu Metro; Ewa Plain; Koolau Windward; Koolau Leeward; Molokai Windward; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Lanai South; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North","sender":"NWS Honolulu HI","description":"Moisture along the eastern flank of Hurricane Lowell will bring periods of heavy rain to the main Hawaiian Islands through Tuesday. * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Maui, Lanai, Molokai, Oahu, The Big Island and Kahoolawe. * WHEN...Through Tuesday afternoon. * IMPACTS...Flood prone roads and other lo...","onset_at":"2026-09-07T03:00:00Z","expires_at":"2026-09-09T04:00:00Z","published_at":"2026-09-07T03:00:00Z","url":"https://forecastbar.com/alert/urn:oid:2.49.0.1.840.0.c53d45ceff38e5a53d777742f92d6a4e5b208b3b.001.1"},{"alert_type":"Tropical Cyclone Local Statement","severity":"Moderate","urgency":"Expected","certainty":"Likely","headline":"Tropical Cyclone Local Statement","area":"Niihau; Kauai Southwest; Kauai Mountains; Waianae Coast; Oahu North Shore; Olomana; Central Oahu; Waianae Mountains; Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Kauai North; Kauai East; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Koolau Windward; Koolau Leeward; Molokai Windward; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Lanai South; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North","sender":"NWS Honolulu HI","description":"HLSHFO This product covers the Hawaiian islands **TROPICAL STORM CONDITIONS EXPECTED ON KAUAI AND NIIHAU BY LATE MONDAY** NEW INFORMATION --------------- * CHANGES TO WATCHES AND WARNINGS: - None * CURRENT WATCHES AND WARNINGS: - A Tropical Storm Warning is in effect for Kauai East, Kauai Mountains, Kauai North, Kauai South, Kauai Southwest, and Niihau * ...","onset_at":"2026-09-06T21:19:00Z","expires_at":"2026-09-07T05:30:00Z","published_at":"2026-09-06T21:19:00Z","url":"https://forecastbar.com/alert/urn:oid:2.49.0.1.840.0.20f1b7c92de8b9bcd46c5c8ca5e809a75b3e2252.001.1"},{"alert_type":"Tropical Cyclone Local Statement","severity":"Moderate","urgency":"Expected","certainty":"Likely","headline":"Tropical Cyclone Local Statement","area":"Niihau; Kauai Southwest; Kauai Mountains; Waianae Coast; Oahu North Shore; Olomana; Central Oahu; Waianae Mountains; Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Kauai North; Kauai East; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Koolau Windward; Koolau Leeward; Molokai Windward; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Lanai South; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North","sender":"NWS Honolulu HI","description":"HLSHFO This product covers the Hawaiian islands **HURRICANE CONDITIONS ARE POSSIBLE AND TROPICAL STORM CONDITIONS ARE EXPECTED FOR NIIHAU AND KAUAI** NEW INFORMATION --------------- * CHANGES TO WATCHES AND WARNINGS: - A Hurricane Watch has been issued for Niihau and Kauai * CURRENT WATCHES AND WARNINGS: - A Tropical Storm Warning and Hurricane Watch are ...","onset_at":"2026-09-07T03:22:00Z","expires_at":"2026-09-07T11:30:00Z","published_at":"2026-09-07T03:22:00Z","url":"https://forecastbar.com/alert/urn:oid:2.49.0.1.840.0.362be0660882c5c935598656e56702689768c0b7.001.1"},{"alert_type":"High Surf Warning","severity":"Moderate","urgency":"Expected","certainty":"Likely","headline":"High Surf Warning","area":"Waianae Coast; Kahoolawe; Maui Leeward West; Kona; East Honolulu; Honolulu Metro; Ewa Plain; Molokai Southeast; Molokai West; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast","sender":"NWS Honolulu HI","description":"...HIGH SURF WARNING FOR SOUTH FACING SHORES OF ALL ISLANDS THROUGH MONDAY NIGHT... ...HIGH SURF WARNING FOR WEST FACING SHORES OF BIG ISLAND THROUGH MONDAY NIGHT... ...HIGH SURF ADVISORY FOR EAST FACING SHORES OF ALL ISLANDS THROUGH MONDAY NIGHT... .South swell from Hurricane Lowell is expected to rise rapidly Monday, and peak Monday night bringing warni...","onset_at":"2026-09-07T00:44:00Z","expires_at":"2026-09-08T16:00:00Z","published_at":"2026-09-07T00:44:00Z","url":"https://forecastbar.com/alert/urn:oid:2.49.0.1.840.0.ece504edb8588a2cdc804985d2ba6b59f3995a55.002.2"},{"alert_type":"High Surf Advisory","severity":"Minor","urgency":"Expected","certainty":"Likely","headline":"High Surf Advisory","area":"Olomana; Koolau Windward; Molokai Windward; Windward Haleakala; Big Island East; Big Island North","sender":"NWS Honolulu HI","description":"...HIGH SURF WARNING FOR SOUTH FACING SHORES OF ALL ISLANDS THROUGH MONDAY NIGHT... ...HIGH SURF WARNING FOR WEST FACING SHORES OF BIG ISLAND THROUGH MONDAY NIGHT... ...HIGH SURF ADVISORY FOR EAST FACING SHORES OF ALL ISLANDS THROUGH MONDAY NIGHT... .South swell from Hurricane Lowell is expected to rise rapidly Monday, and peak Monday night bringing warni...","onset_at":"2026-09-07T00:44:00Z","expires_at":"2026-09-08T16:00:00Z","published_at":"2026-09-07T00:44:00Z","url":"https://forecastbar.com/alert/urn:oid:2.49.0.1.840.0.ece504edb8588a2cdc804985d2ba6b59f3995a55.004.1"}],"recent_alerts":[{"alert_type":"Flash Flood Warning","severity":"Severe","headline":"Flash Flood Warning issued September 6 at 4:37PM HST until September 6 at 5:30PM HST by NWS Honolulu HI","sender":"NWS Honolulu 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