Special Marine Warning issued April 18 at 2:40PM HST until April 18 at 3:15PM HST by NWS Honolulu HI
SMWHFO The National Weather Service in Honolulu has issued a * Special Marine Warning for... Kaiwi Channel... Oahu Windward Waters... * Until 315 PM HST. * At 238 PM HST, a cluster of strong thunderstorm were located over Mokulua Islands, or near Kaneohe Marine Base, moving northwest at 15 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... FAD Buoy U, FAD Buoy T, Mokulua Islands, Laie Point, and Heeia Kea Boat Harbor.
Special Marine Warning issued April 18 at 1:55PM HST until April 18 at 3:00PM HST by NWS Honolulu HI
SMWHFO The National Weather Service in Honolulu has issued a * Special Marine Warning for... Kaiwi Channel... * Until 300 PM HST. * At 154 PM HST, a strong thunderstorm was located 8 nm east of Makapuu Point, moving northwest at 15 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters.
Flash Flood Warning issued April 18 at 8:17AM HST until April 18 at 11:15AM HST by NWS Honolulu HI
FFWHFO The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Kauai in Kauai County * Until 1115 AM HST. * At 817 AM HST, radar indicated heavy rain over interior Kauai with rates of 1 to 3 inches per hour. Water has been reported over the Hanalei River Bridge by Emergency Management. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Emergency management. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep
Winter Weather Advisory issued April 18 at 2:35AM HST until April 19 at 6:00AM HST by NWS Honolulu HI
A slow moving upper level trough will move through the islands early morning Saturday, bringing periods of snow to the Big Island summits. * WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...Big Island Summits. * WHEN...Until 6 AM HST Saturday. * IMPACTS...Travel could be very difficult. Blowing snow will significantly reduce visibility at times, with periods of zero visibility.
Winter Weather Advisory issued April 17 at 2:09AM HST until April 18 at 6:00PM HST by NWS Honolulu HI
A slow moving upper level trough will move through the islands today through Friday, bringing periods of snow to the Big Island summits. * WHAT...Snow expected. Total snow accumulations 3 to 5 inches. * WHERE...Big Island Summits above 11,000 feet. * WHEN...From noon today to 6 PM HST Friday. * IMPACTS...Travel could be very difficult. Blowing snow will significantly reduce visibility at times, with periods of zero visibility.
Flood Advisory issued April 16 at 11:02PM HST until April 17 at 2:00AM HST by NWS Honolulu HI
* WHAT...Flooding caused by excessive rainfall. * WHERE...The island of Kauai in Kauai County. * WHEN...Until 200 AM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 1101 PM HST, radar indicated heavy rain over windward Kauai, with the heaviest rain falling from Lihue northward to Anahola. Rain was falling at a rate of 1 to 2 inches per hour. - Some locations that will experience flooding include... Lihue, Kapaa, Kilauea, Wailua Homesteads, Wailua, Anahola, North Fork Wailua Trails, Moloaa, Wailua River State Park, Kealia, Hanamaulu, Puhi and Kalihiwai.
High Surf Advisory issued April 7 at 3:06AM HST until April 8 at 6:00AM 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... .The current large long period north swell (340-360 degrees) will continue to produce advisory level surf along exposed north, east and west facing shores through early Tuesday morning. Surf heights will fall below advisory thresholds on Tuesday as the north swell continues to slowly decline. * WHAT...Large breaking waves, 18 to 22 feet along exposed north facing shores, and 8 to 12 feet along exposed east facing shores.
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. *
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
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.