Real-time disaster alerts in Hawaii — delivered automatically to LINE in Japanese
Add on LINE for Free
Automatically fetches official disaster alerts issued by the State of Hawaii and delivers real-time updates for your safety.
Official English alerts are automatically summarized and translated into easy-to-read Japanese by AI (ChatGPT).
Get notifications directly on LINE — no need to install new apps. Just add the account to start receiving updates instantly.
HawaiiAlert.jp is a free service that automatically collects official disaster alerts in Hawaii — including tsunami, hurricane, flood, high surf, strong wind, and wildfire — and translates them into Japanese with AI. It's designed to help Japanese tourists, residents, and students stay safe and informed during emergencies.
Open your smartphone camera and scan the QR code below.
Add "HawaiiAlert.jp" as a friend on LINE.
When a disaster alert is issued, you'll receive a Japanese-language notification on LINE.
Scan the QR code below to add us on LINE.
Notifications include disaster alerts only — no ads or promotions.
| Alert Summary | Issued | Expires |
|---|---|---|
| High Surf Advisory Location: Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast Severity: Minor Description: The High Surf Advisory has been cancelled and is no longer in effect. | Jun 4, 20:14 | Jun 4, 20:30 |
| High Surf Advisory Location: Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast Severity: Minor Description: ...HIGH SURF ADVISORY FOR SOUTH FACING SHORES OF ALL HAWAIIAN ISLANDS... .A long-period south-southwest swell (190 degrees) will hold surf heights at High Surf Advisory criteria through this evening before slowly declining overnight into Friday. * WHAT...Surf of 7 to 10 feet. * WHERE...South facing shores of all Hawaiian Islands. * WHEN...Until midnight HST tonight. * IMPACTS...Moderate. Beachgoers, swimmers, and surfers should heed all advice given by ocean safety officials and exercise caution. Boaters should expect recreational surfers and body boarders utilizing harbor channels to access surfing areas. Expect periodic wave runup across areas of the shore that typically remain dry during the afternoon high tide cycle. | Jun 4, 15:27 | Jun 5, 00:00 |
| High Surf Advisory Location: Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast Severity: Minor Description: ...HIGH SURF ADVISORY FOR SOUTH FACING SHORES OF ALL HAWAIIAN ISLANDS... .A long-period south-southwest swell (190 degrees) will slowly decline today, though large surf may continue to affect south- facing shores of all islands through this evening. * WHAT...Surf of 7 to 10 feet. * WHERE...South facing shores of all Hawaiian Islands. * WHEN...Until 6 PM HST this evening. * IMPACTS...Moderate. Beachgoers, swimmers, and surfers should heed all advice given by ocean safety officials and exercise caution. Boaters should expect recreational surfers and body boarders utilizing harbor channels to access surfing areas. Expect periodic wave runup across areas of the shore that typically remain dry during the afternoon high tide cycle. | Jun 4, 03:21 | Jun 4, 16:30 |
| High Surf Advisory Location: Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast Severity: Minor Description: ...HIGH SURF ADVISORY FOR SOUTH FACING SHORES OF ALL HAWAIIAN ISLANDS... .A long-period south-southwest swell (190 degrees) will begin a slow decline overnight, though large surf will continue to affect south-facing shores of all islands into Thursday. * WHAT...Surf of 10 to 14 feet through the afternoon, declining to 8 to 12 feet in the evening, and lowering to 7 to 10 feet Thursday. * WHERE...South facing shores of all Hawaiian Islands. * WHEN...Until 6 PM HST Thursday. * IMPACTS...Moderate. Beachgoers, swimmers, and surfers should heed all advice given by ocean safety officials and exercise caution. Boaters should expect recreational surfers and body boarders utilizing harbor channels to access surfing areas. Expect periodic wave runup across areas of the shore that typically remain dry during the afternoon high tide cycle. | Jun 3, 15:04 | Jun 4, 04:15 |
| High Surf Advisory Location: Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast Severity: Minor Description: ...HIGH SURF ADVISORY FOR SOUTH FACING SHORES OF ALL HAWAIIAN ISLANDS... .Large surf associated with a long-period south-southwest swell (190 degrees) will continue to impact exposed south-facing shores of all Hawaiian Islands through early Thursday. * WHAT...Surf heights of up to 10 to 14 feet. * WHERE...South facing shores of all Hawaiian Islands. * WHEN...Until 6 AM HST Thursday. * IMPACTS...Moderate. Beachgoers, swimmers, and surfers should heed all advice given by ocean safety officials and exercise caution. Boaters should expect recreational surfers and body boarders utilizing harbor channels to access surfing areas. Expect periodic wave runup across areas of the shore that typically remain dry during the afternoon high tide cycle. | Jun 3, 03:35 | Jun 3, 16:45 |