Flood Watch issued January 26 at 5:06PM HST until January 27 at 6:00AM HST by NWS Honolulu HI
...FLOOD WATCH IN EFFECT FOR KAUAI OAHU MOLOKAI MAUI LANAI NIIHAU AND KAHOOLAWE THROUGH TONIGHT... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Kauai, Oahu, Maui, Molokai, Lanai, Kahoolawe, and Niihau. * WHEN...Through late tonight. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - A trough developing near Oahu will merge with a front overnight and move slowly eastward. An upper level trough will trigger heavy showers and thunderstorms along
Flood Advisory issued January 26 at 2:39PM HST until January 26 at 5:45PM HST by NWS Honolulu HI
* WHAT...Flooding caused by excessive rainfall. * WHERE...The island of Oahu in Honolulu County. * WHEN...Until 545 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 237 PM HST, radar indicated heavy rain over the northern half of the Koolau Mountains. Rain was falling at a rate of 1 to 3 inches per hour, with the heaviest showers observed near Laie. - Some locations that will experience flooding include... Hauula, Punaluu, Kaaawa, Waikane, Kahuku, Waiahole, Kahaluu, Ahuimanu, Kahana Valley State Park, Malaekahana State Park, Kualoa, Waimea Valley, Pupukea, Turtle Bay, Waimea
High Surf Advisory issued January 24 at 3:32PM HST until January 25 at 6:00AM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI... .A mix of northwest (320 degrees) and north northwest swell (340-350 degrees) will continue to produce advisory-level surf for north facing shores of most islands through tonight. * WHAT...Surf of 12 to 16 feet. * WHERE...North facing shores of Niihau, Kauai, Oahu, Molokai, and Maui. * WHEN...Until 6 AM HST Saturday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.
High Surf Advisory issued January 23 at 3:13PM HST until January 24 at 6:00PM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI... .A combination of a northwest swell and a larger north to northwest swell will bring advisory level surf to north facing shores of most islands through early Friday evening. * WHAT...Surf 15 to 20 feet. * WHERE...North facing shores of Niihau, Kauai, Oahu, Molokai, and Maui. * WHEN...Until 6 PM HST Friday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.
High Surf Advisory issued January 22 at 3:34PM HST until January 24 at 6:00PM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI... .A large short-period northwest swell will peak tonight into Thursday morning and will be followed by a large medium period north to north-northwest swell Thursday afternoon into Friday. * WHAT...Surf rising up to 12 to 16 feet along north facing shores. * WHERE...North facing shores of Niihau. * WHEN...Until 6 PM HST Friday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.
High Surf Advisory issued January 19 at 3:21PM HST until January 20 at 6:00AM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND NORTH FACING SHORES OF MAUI... .The current northwest swell is forecast to decline tonight. * WHAT...Surf of 10 to 15 feet surf along north facing shores. Surf of 8 to 12 feet along west facing shores. * WHERE...North and west facing shores of Niihau, Kauai, Oahu, Molokai, and north facing shores of Maui. * WHEN...Until 6 AM HST Monday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.
High Surf Advisory issued January 18 at 3:19PM HST until January 19 at 6:00PM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND NORTH FACING SHORES OF MAUI... .A large west northwest swell will slowly decline through Sunday. * WHAT...Surf of 15 to 20 feet surf along north facing shores. Surf of 10 to 14 feet along west facing shores. * WHERE...North and west facing shores of Niihau, Kauai, Oahu, Molokai, and north facing shores of Maui. * WHEN...Until 6 PM HST Sunday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.
High Surf Warning issued January 17 at 3:48PM HST until January 18 at 6:00PM HST by NWS Honolulu HI
...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND NORTH FACING SHORES OF MAUI AND WEST FACING SHORES OF THE BIG ISLAND... .An extra-large west-northwest to northwest (300 to 320 degree) swell will peak this afternoon and evening then slowly decline through Saturday. For Big Island, the west-northwest swell should peak tonight into early Saturday then steadily decline over the weekend. * WHAT...Surf of 8 to 12 feet. * WHERE...West facing shores of Big Island. * WHEN...Until 6 PM HST Saturday. * IMPACTS...High. Expect very strong breaking waves and powerful currents. Waves breaking in
High Surf Warning issued January 16 at 3:32PM HST until January 18 at 6:00AM HST by NWS Honolulu HI
...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND NORTH FACING SHORES OF MAUI... .An extra-large west-northwest to northwest swell (300 to 320 degrees) will steadily fill in late tonight into Friday and peak Friday afternoon through the evening. For the Big Island, the west-northwest swell will steadily fill in through the day and peak Friday night into Saturday. * WHAT...Surf steadily building to 25 to 35 feet along north facing shores and 15 to 25 feet along west facing shores on Friday. * WHERE...North and west facing shores of Niihau, Kauai, Oahu, Molokai
High Surf Advisory issued January 13 at 3:55PM HST until January 14 at 6:00PM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND NORTH FACING SHORES OF MAUI... .A moderate long-period northwest (320 degree) swell will continue to build this evening, peak early Tuesday morning then slowly decline through Thursday. * WHAT...Large Surf of 12 to 18 feet along north facing shores and 8 to 14 feet along west facing shores. * WHERE...North and west facing shores of Niihau, Kauai, Oahu, Molokai, and north facing shores of Maui. * WHEN...Until 6 PM HST Tuesday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming and surfing dangerous.