West Side
Today: Partly sunny. Windy. Scattered showers within the morning, then quite a few showers within the afternoon. Highs round 78. South winds 20 to 35 mph with gusts to 55 mph. Chance of rain 70 %.
Tonight: Breezy. Mostly cloudy with quite a few showers. Lows 67 to 72. South winds 10 to 25 mph. Chance of rain 70 %.
Monday: Mostly cloudy with quite a few showers. Highs round 77. Southwest winds 10 to fifteen mph. Chance of rain 70 %.
South Side
Today: Mostly cloudy. Windy. Scattered showers within the morning, then quite a few showers within the afternoon. Highs round 81. South winds 25 to 30 mph with gusts to 50 mph. Chance of rain 70 %.
Tonight: Windy. Cloudy with showers. Lows 67 to 75. South winds 15 to 30 mph. Chance of rain 90 %.
Monday: Mostly cloudy with quite a few showers. Highs round 80. South winds 10 to fifteen mph. Chance of rain 70 %.
North Shore
Today: Windy. Mostly cloudy with quite a few showers. Highs 78 to 83 close to the shore to round 67 close to 5000 toes. Southwest winds as much as 35 mph with gusts to 60 mph. Chance of rain 70 %.
Tonight: Mostly cloudy. Windy. Numerous showers within the night, then showers after midnight. Lows round 70 close to the shore to round 54 close to 5000 toes. Southwest winds as much as 30 mph with gusts to 50 mph reducing to as much as 20 mph after midnight. Chance of rain 90 %.
Monday: Mostly cloudy. Showers within the morning, then quite a few showers within the afternoon. Highs round 79 close to the shore to round 64 close to 5000 toes. Southwest winds as much as 15 mph. Chance of rain 90 %.
Central Maui
Today: Partly sunny. Windy. Scattered showers within the morning, then quite a few showers within the afternoon. Highs round 81. South winds 25 to 35 mph. Chance of rain 70 %.
Tonight: Windy. Mostly cloudy with quite a few showers. Lows round 69. South winds 10 to 30 mph. Chance of rain 70 %.
Monday: Mostly cloudy with quite a few showers. Highs round 80. Southwest winds as much as 15 mph. Chance of rain 70 %.
Upcountry
Today: Strong winds. Showers. Highs round 62 on the customer heart to round 66 on the summit. Southwest winds 25 to 50 mph with gusts to 75 mph reducing to fifteen to 45 mph with gusts to 65 mph within the afternoon. Chance of rain close to 100%.
Tonight: Very windy. Showers. Lows round 50 on the customer heart to round 45 on the summit. Southwest winds 15 to 40 mph with gusts to 60 mph. Chance of rain close to 100%.
Monday: Cloudy and windy. Showers within the morning, then quite a few showers within the afternoon. Highs round 60 on the customer heart to round 66 on the summit. Southwest winds 15 to 35 mph with gusts to 60 mph. Chance of rain 90 %.
East Maui
Today: Windy. Mostly cloudy with quite a few showers. Highs 78 to 83 close to the shore to round 67 close to 5000 toes. Southwest winds as much as 35 mph with gusts to 60 mph. Chance of rain 70 %.
Tonight: Mostly cloudy. Windy. Numerous showers within the night, then showers after midnight. Lows round 70 close to the shore to round 54 close to 5000 toes. Southwest winds as much as 30 mph with gusts to 50 mph reducing to as much as 20 mph after midnight. Chance of rain 90 %.
Monday: Mostly cloudy. Showers within the morning, then quite a few showers within the afternoon. Highs round 79 close to the shore to round 64 close to 5000 toes. Southwest winds as much as 15 mph. Chance of rain 90 %.
Lanai City
Today: Mostly cloudy. Windy. Scattered showers within the morning, then quite a few showers within the afternoon. Highs 70 to 76. Southwest winds 20 to 35 mph with gusts to 55 mph. Chance of rain 70 %.
Tonight: Windy. Mostly cloudy with quite a few showers. Lows 63 to 68. Southwest winds 10 to 30 mph reducing to 10 to fifteen mph after midnight. Chance of rain 70 %.
Monday: Mostly cloudy with quite a few showers. Highs 69 to 75. Southwest winds round 10 mph. Chance of rain 70 %.
Kaunakakai
Today: Windy. Partly sunny with scattered showers. Highs 67 to 83. Southwest winds 25 to 35 mph reducing to fifteen to 30 mph within the afternoon. Gusts as much as 55 mph. Chance of rain 50 %.
Tonight: Mostly cloudy within the night then changing into partly cloudy. Breezy. Scattered showers. Lows 58 to 72. Southwest winds 10 to 25 mph reducing to 10 to fifteen mph after midnight. Chance of rain 50 %.
Monday: Partly sunny with scattered showers. Highs 66 to 82. Southwest winds round 10 mph changing into as much as 15 mph within the afternoon. Chance of rain 50 %.
Synopsis
A robust kona storm stays north of the Hawaiian Islands producing intervals of hazardous climate impacts throughout the state by way of the subsequent couple of days. Expect a mixture of threats starting from vital flash flooding, damaging winds, remoted thunderstorms, and snow and ice over the best Big Island summits to prevail. The highest threats for damaging winds stays alongside north and windward slopes of island mountains, the place a Wind Advisory stays in impact. This kona storm is anticipated to start lifting northeastward at the moment into Monday, with heavy rain and robust winds easing throughout the Hawaii area. However, intervals of unsettled moist climate in a light-weight and variable low degree wind sample will proceed throughout the state by way of subsequent week.
Discussion
A robust kona storm positioned north of the Hawaiian Islands continues to generate average to heavy showers over the japanese half of the state, specifically Maui and the Big Island. Persistent rainfall has resulted in island-wide flash flood warnings throughout the Big Island, persisting by way of the a lot of the morning. Meanwhile, circumstances throughout the western half of the state have begun to enhance, permitting a number of beforehand issued hazard merchandise to be cancelled. However, a brand new rainband has developed and moved over Kauai, anticipated to maneuver over Oahu later this morning. Latest steering suggests a gradual depicts an total downward pattern in rainfall throughout the Hawaiian islands throughout the subsequent 24 to 36 hours, as the first rainbands shift east of the state by early Monday morning.
Based on the most recent observations and mannequin steering, the High Wind Warning for Maui County and Big Island has been downgraded to a Wind Advisory, with exception of the summits of Big Island and Haleakala on Maui. Additionally, the Wind Advisory elsewhere was prolonged for parts of Kauai and Oahu, the place regionally sturdy winds of 20 to 30 mph and gusts as much as 50 mph alongside windward sloping areas. The Wind Advisory will stay in impact till 6 PM HST this night, to be reassessed with the subsequent forecast cycle.
Showery circumstances are anticipated to persist into early subsequent week because the kona storm weakens and shifts northeast of the islands with the ultimate push of upper-level help. As the system departs, winds throughout the state will steadily diminish and the protection of heavier showers will lower. However, a light-weight and variable wind sample is anticipated to develop, which is able to preserve intervals of unsettled climate by way of a lot of the upcoming week.
The prolonged forecast past Monday stays considerably unsure as mannequin options proceed to evolve. Current steering signifies an upper-level troughing sample will persist throughout the area, supporting gentle and variable winds together with periodic showers and the potential for remoted thunderstorms by way of the rest of the week. Toward the latter of the week, some fashions recommend broad excessive stress could start to construct over the area, probably permitting commerce winds to return. Given the uncertainty at this vary, future forecast updates will refine the anticipated evolution of this sample.
Aviation
Low cigs and SHRA proceed throughout the islands. This whole system is transferring northeastward. A couple of isol TSTMs are doable over the Big Island. As far because the winds, they’ve begun to weaken barely and veer extra west-southwesterly over the western finish of state however nonetheless stay gusty in some spots particularly over the windward parts of these islands. Over the western finish of the state S-SW 30kts or larger with greater gusts are seemingly by way of tomorrow.
AIRMET Sierra is in impact for mtn obsc for all islands. It can also be in impact for IFR conds for the Big Island. Conds ought to enhance by way of the transferring because the system strikes away from the islands.
AIRMET Tango stays in impact for mod mid-upper degree turb between 130 and FL330. It is can also be in impact for sturdy floor winds for Maui and the Big Island, in addition to for turb downwind N via E of terrain statewide. Conds ought to proceed this morning and progressively enhance west to east.
AIRMET Zulu stays in impact, as excessive clouds from these showers current icing considerations between 130 and FL260. These conds are anticipated to enhance this morning.
Marine
The highly effective kona storm will weaken because it strikes northeast and away from the world throughout the subsequent few days, with circumstances bettering over the coastal waters. Winds have dropped beneath Gale drive over the coastal waters, subsequently the Gale Warning has been cancelled and changed with a Small Craft Advisory (SCA), which is in impact for all zones by way of 6 PM this night. The SCA could have to be prolonged for parts of the waters across the Big Island tonight. Winds will ease beneath advisory ranges throughout all waters by Monday after which stay gentle and variable Tuesday and Wednesday. Ridging is forecast to strengthen north of the islands late within the week, which ought to convey a return of average to recent commerce winds.
Strong southerly winds will hold giant and tough surf in place alongside south dealing with shores at the moment, with the surf then trending decrease tonight and Monday. A brand new lengthy interval south swell will arrive late Monday evening and Tuesday, giving a pleasant and prolonged increase to south shore surf by way of late subsequent week.
A average sized short-period west swell related to the kona storm will have an effect on north and west dealing with shores throughout the subsequent couple days, however surf will stay beneath advisory ranges. The one exception is over west dealing with shores of the Big Island, the place advisory degree surf is anticipated at the moment. As a consequence, a High Surf Advisory has been issued for west dealing with shores of the Big Island by way of 6 pm this night. The short-period swell will decrease Monday evening and Tuesday, whereas a brand new medium-period north- northwest swell fills in. This north-northwest swell may convey surf as much as advisory ranges Tuesday evening and Wednesday, with the swell then shifting extra northerly and decreasing beneath advisory ranges Thursday into subsequent weekend.
Surf alongside east dealing with shores will stay effectively beneath regular ranges by way of the center of the week, earlier than trending upward Thursday into subsequent weekend as commerce winds return over and upstream of the islands.
HFO Watches/Warnings/Advisories
Wind Advisory till 6 PM HST this night for Kauai Mountains, Oahu North Shore, Olomana, Central Oahu, Waianae Mountains, Maui Windward West, Kona, Kohala, Big Island Interior, Kauai North, Kauai East, Koolau Windward, Koolau Leeward, Molokai Windward, Molokai Southeast, Molokai North, Maui Central Valley North, Windward Haleakala, South Maui/Upcountry, Big Island South, Big Island Southeast, Big Island North.
Flood Watch by way of late tonight for Lanai Mauka, Kahoolawe, Maui Windward West, Maui Leeward West, Haleakala Summit, Kona, Kohala, Big Island Interior, Molokai, Lanai Windward, Lanai Leeward, Lanai South, Maui Central Valley North, Maui Central Valley South, Windward Haleakala, Kipahulu, South Maui/Upcountry, South Haleakala, Big Island South, Big Island Southeast, Big Island East, Big Island North.
High Wind Warning till 6 PM HST this night for Haleakala Summit, Big Island Summits.
High Surf Advisory till 6 PM HST this night for Kona, Kohala.
Winter Storm Warning till 6 AM HST Monday for Big Island Summits.
Small Craft Advisory till 6 PM HST this night for all Hawaiian waters,
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Data Courtesy of NOAA.gov
