High Surf Warning issued December 18 at 3:28PM HST until December 19 at 6:00PM HST by NWS Honolulu HI
...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF KAUAI NIIHAU OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .A series of large northwest to north-northwest (315-330 degrees) swells will move through Hawaiian waters into Monday. The overlapping pulses of swell will likely maintain surf near or above warning thresholds along affected shores most of the time through at least the weekend, with the largest swell expected on Sunday. Advisory level surf will be possible along west facing shores of the Big Island. * WHAT...Dangerously large breaking waves of 18 to 25 feet rising to 20 to
High Surf Warning issued December 18 at 3:23AM HST until December 19 at 6:00PM HST by NWS Honolulu HI
...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF KAUAI NIIHAU OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .The first in a series of large northwest to north-northwest (315- 330 degrees) swells will build down the island chain today, peaking tonight and Thursday. Surf at advisory levels this morning will reach High Surf Warning levels by this afternoon. Additional pulses of swell from a similar direction will lead to periods of extra large surf through the weekend. * WHAT...Dangerously large breaking waves rising to 18 to 25 feet along north facing shores of Kauai, Niihau, Oahu
Coastal Flood Statement issued December 15 at 3:04PM HST until December 16 at 6:00AM HST by NWS Honolulu HI
...COASTAL FLOOD STATEMENT IN EFFECT THROUGH LATE TONIGHT... .Peak monthly tides combined with water levels running higher than predicted could lead to minor coastal flooding issues for vulnerable low-lying coastal areas during the peak daily high tide cycle between midnight and daybreak. * WHAT...Isolated minor coastal flooding. * WHERE...Portions of Kahoolawe, Kauai, Lanai, Maui, Molokai, Niihau, Oahu, and the Big Island. * WHEN...Through late tonight, with the main focus between midnight and daybreak. * IMPACTS...Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation.
Coastal Flood Statement issued December 14 at 4:02PM HST until December 16 at 6:00AM HST by NWS Honolulu HI
...COASTAL FLOOD STATEMENT IN EFFECT THROUGH LATE SUNDAY NIGHT... .Peak monthly tides combined with water levels running higher than predicted could lead to minor coastal flooding issues for vulnerable low-lying coastal areas. The best chance for these impacts will occur during the early morning high tides between midnight and daybreak through the weekend. * WHAT...Isolated minor coastal flooding. * WHERE...Portions of Kahoolawe, Kauai, Lanai, Maui, Molokai, Niihau, Oahu and the Big Island. * WHEN...Through late Sunday night. * IMPACTS...Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation.
Coastal Flood Statement issued December 13 at 3:22PM HST until December 16 at 6:00AM HST by NWS Honolulu HI
...COASTAL FLOOD STATEMENT IN EFFECT FROM MIDNIGHT HST TONIGHT THROUGH LATE SUNDAY NIGHT... .Peak monthly tides will lead to minor coastal flooding in the typical low-lying vulnerable areas of all islands, especially during the early morning high tides. * WHAT...Isolated minor coastal flooding expected. * WHERE...Portions of Kahoolawe, Kauai, Lanai, Maui, Molokai, Niihau, Oahu and the Big Island. * WHEN...From midnight HST tonight through late Sunday night. * IMPACTS...Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation.
Red Flag Warning issued December 11 at 3:14PM HST until December 12 at 6:00PM HST by NWS Honolulu HI
...RED FLAG WARNING FOR LEEWARD AREAS OF ALL ISLANDS THROUGH THURSDAY AFTERNOON... .The combination of dry fuels, low relative humidity, and strong trade winds will bring critical fire weather conditions for leeward sections of the state. * AFFECTED AREA...Leeward portions of all Hawaiian Islands. * TIMING...Until 6 PM HST Thursday. Red flag conditions are expected primarily Thursday morning through Thursday afternoon. * WINDS...East 15 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 40 to 45 percent. * IMPACTS...A combination of strong winds, low relative humidity, and dry fuels can contribute to extreme fire behavior.
Wind Advisory issued December 11 at 3:02PM HST until December 12 at 6:00AM HST by NWS Honolulu HI
* WHAT...East winds 45 to 55 mph with gusts up to 65 mph. * WHERE...Big Island Summits. * WHEN...Until 6 AM HST Thursday. * 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.
High Surf Advisory issued December 10 at 3:53PM HST until December 11 at 6:00AM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .Surf along north and west-facing shores will peak early this evening as a northwest (330 degree) reinforcement moves through the islands. This northwest swell is expected to drop during the overnight through early morning hours, and surf is expected to fall below advisory criteria by early Wednesday. * WHAT...For north facing shores, surf of 15 to 20 feet. For west facing shores, surf of 12 to 16 feet. * WHERE...North and west facing shores of Niihau, Kauai, Oahu, and
High Wind Warning issued December 10 at 3:15PM HST until December 11 at 6:00PM HST by NWS Honolulu HI
* WHAT...East winds 50 to 60 mph with gusts up to 70 mph. * WHERE...Big Island Summits. * WHEN...Until 6 PM HST Wednesday. * IMPACTS...Travel to the summits of Mauna Loa and Mauna Kea will be difficult, especially for high profile vehicles.
Wind Advisory issued December 10 at 3:15PM HST until December 11 at 6:00PM HST by NWS Honolulu HI
* WHAT...East winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of Kahoolawe, Lanai, Maui, and the Big Island Hawaii. * WHEN...Until 6 PM HST Wednesday. * 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.