High Surf Advisory issued February 10 at 5:21PM HST until February 13 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 FROM 6 AM HST TUESDAY THROUGH 6 AM HST THURSDAY... .A series of large, long period northwest (310 degree) swells will advance through the area through mid-week. * WHAT...Large breaking waves of 15 to 20 feet along north facing exposures and 10 to 14 feet along west facing exposures. * WHERE...North and west facing shores of Niihau, Kauai, Oahu, Molokai and north facing shores of Maui. * WHEN...From 6 AM Tuesday to 6 AM HST Thursday. * IMPACTS...Moderate. Strong breaking
High Surf Advisory issued February 8 at 3:06PM HST until February 9 at 6:00AM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND MAUI UNTIL 6 AM HST SUNDAY... .A long period northwest swell that is currently moving through the region should reach its peak this evening and then slightly decline overnight into tomorrow morning. * WHAT...Surf up to 18 feet along north facing shores. * WHERE...North facing shores of Niihau, Kauai, Oahu, Molokai, and Maui. * WHEN...Until 6 AM HST Sunday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.
High Surf Advisory issued February 7 at 3:05PM HST until February 8 at 6:00AM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI UNTIL 6 AM HST SATURDAY... .A lingering medium period northeast swell will continue to decline through tonight. In the meantime the long- period northwest swell is currently peaking. A slightly smaller NW swell is expected from Saturday night into Monday. A larger WNW swell looks likely Tuesday and Wednesday of next week once again bumping up surf heights. * WHAT...Surf up to 24 feet along north facing shores and up to 15 feet along west facing shores *
High Surf Advisory issued February 6 at 3:02PM HST until February 8 at 6:00AM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND UNTIL 6 PM HST FRIDAY... ...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI UNTIL 6 AM HST SATURDAY... .A medium period northeast (030 degrees) swell will maintain high surf along east facing shores through Friday. Additionally, a powerful long-period northwest swell (320 degrees) will steadily build overnight, and peak on Friday. * WHAT...Surf up to 20 feet along north facing shores and up to 15 feet along west facing shores.
High Surf Advisory issued February 6 at 3:02PM HST until February 7 at 6:00PM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND UNTIL 6 PM HST FRIDAY... ...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI UNTIL 6 AM HST SATURDAY... .A medium period northeast (030 degrees) swell will maintain high surf along east facing shores through Friday. Additionally, a powerful long-period northwest swell (320 degrees) will steadily build overnight, and peak on Friday. * WHAT...Surf up to 10 feet. * WHERE...East facing shores of Kauai, Oahu, Molokai, Maui and the Big Island.
Special Weather Statement issued January 27 at 10:21AM HST by NWS Honolulu HI
An unusually strong low pressure system will pass north of the state on Thursday bringing a multi-faceted threat for significant weather to the Hawaiian Islands. Damaging downsloping winds will be possible east of terrain Wednesday night through Thursday night, especially over Kauai and Oahu. Heavy rain capable of producing flash flooding is also expected over the entirety of the island chain during this time. Intense rain rates are likely especially over leeward terrain where the greatest rainfall totals are expected. Finally, there is an enhanced risk of strong to severe showers and thunderstorms with a primary threat of damaging wind
Flood Watch issued January 27 at 3:19AM HST until January 27 at 12:00PM HST by NWS Honolulu HI
...FLOOD WATCH CANCELLED FOR NIIHAU KAUAI AND OAHU... ...FLOOD WATCH EXTENDED THROUGH NOON TODAY FOR MAUI COUNTY... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Maui, Molokai, Lanai, and Kahoolawe. * WHEN...Until noon HST today. * 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 front will move slowly eastward through Maui County today. An upper level trough passing overhead will trigger heavy showers and thunderstorms along the
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.