High Surf Warning, High Surf Advisory, Wind Advisory

High Surf Warning

4/6/2025 03:01 HST through 4/6/2025 18:00 HST

High Surf Warning issued April 6 at 3:01AM HST until April 6 at 6:00PM HST by NWS Honolulu HI

…HIGH SURF WARNING FOR NORTH AND EAST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND… …HIGH SURF ADVISORY FOR WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI… .An extra large, long period north swell (350-360 degrees) will peak today, producing warning level surf along north and exposed east facing shores and advisory level surf for most west facing shores. The swell will steadily decline tonight and Monday. * WHAT…Along north facing shores, surf 25 to 35 feet. Along east facing shores, surf 12 to 18 feet. * WHERE…North and east facing shores of Niihau, Kauai, Oahu, Molokai, Maui, and the Big Island. * WHEN…Until 6 PM HST this evening. * IMPACTS…High. Expect very strong breaking waves and powerful currents. Waves breaking in channel entrances may make navigating the channels dangerous.

Instructions

Stay away from the shoreline along the affected coasts. Be prepared for road closures. Postpone entering or leaving channels affected by the high surf until the surf subsides.

Sender

NWS Honolulu HI

Sent

4/6/2025 03:01 HST

Updates

Niihau; Oahu North Shore; Olomana; Maui Windward West; Kauai North; Kauai East; Koolau Windward; Molokai Windward; Molokai North; Maui Central Valley North; Windward Haleakala; Big Island East; Big Island North

High Surf Advisory

4/6/2025 03:01 HST through 4/6/2025 18:00 HST

High Surf Advisory issued April 6 at 3:01AM HST until April 6 at 6:00PM HST by NWS Honolulu HI

…HIGH SURF WARNING FOR NORTH AND EAST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND… …HIGH SURF ADVISORY FOR WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI… .An extra large, long period north swell (350-360 degrees) will peak today, producing warning level surf along north and exposed east facing shores and advisory level surf for most west facing shores. The swell will steadily decline tonight and Monday. * WHAT…Surf 10 to 15 feet along west facing shores of Niihau, Kauai, Oahu, and Molokai. Surf 8 to 12 feet along west facing shores of Maui. * WHERE…West facing shores of Niihau, Kauai, Oahu, Molokai, and Maui. * WHEN…Until 6 PM HST this evening. * IMPACTS…Moderate. Strong breaking waves and strong currents will make swimming dangerous.

Instructions

Heed all advice from ocean safety officials. When in doubt, don’t go out.

Sender

NWS Honolulu HI

Sent

4/6/2025 03:01 HST

Updates

Kauai Southwest; Waianae Coast; Maui Leeward West; Molokai West

Wind Advisory

4/6/2025 03:00 HST through 4/6/2025 22:00 HST

Wind Advisory issued April 6 at 3:00AM HST until April 6 at 10:00PM HST by NWS Honolulu HI

* WHAT…Northeast winds 20 to 30 mph with gusts up to 50 mph. * WHERE…Portions of Maui, Lanai, Kahoolawe, and the Big Island. * WHEN…Until 10 PM HST this evening. * IMPACTS…Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles.

Instructions

Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages. Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Secure trash cans, lawn furniture, and other loose outdoor objects that can be easily blown around by strong winds.

Sender

NWS Honolulu HI

Sent

4/6/2025 03:00 HST

Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Kohala; Lanai Windward; Lanai Leeward; Maui Central Valley North; Maui Central Valley South; South Haleakala; Big Island South; Big Island Southeast; Big Island North