Weather Forecast

Maui Weather Forecast for March 24, 2022

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Photo Credit: Jeni Ji Cousins

West Side

Rest Of Today: Windy. Mostly sunny with isolated showers. Highs 78 to 84. Northeast winds 20 to 30 mph with gusts to 50 mph. Chance of rain 20 percent.

Tonight: Breezy. Partly cloudy with isolated showers. Lows 65 to 71. Northeast winds 20 to 25 mph. Chance of rain 20 percent.

Friday: Breezy. Mostly sunny with isolated showers. Highs 77 to 83. Northeast winds 15 to 25 mph. Chance of rain 20 percent.

South Side

Rest Of Today: Mostly sunny. Windy. Highs around 84. Northeast winds 15 to 30 mph with gusts to 50 mph.

Tonight: Mostly clear. Windy. Lows around 66. Northeast winds 10 to 30 mph decreasing to 10 to 20 mph after midnight.

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Friday: Sunny and breezy. Highs around 83. Northeast winds 10 to 25 mph.

North Shore

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Rest Of Today: Breezy. Partly sunny with scattered showers. Highs 76 to 81 near the shore to around 64 near 5000 feet. East winds 10 to 25 mph. Chance of rain 50 percent.

Tonight: Breezy. Mostly cloudy with scattered showers. Lows 63 to 69 near the shore to around 52 near 5000 feet. Southeast winds up to 20 mph. Chance of rain 50 percent.

Friday: Breezy. Partly sunny with scattered showers. Highs 75 to 80 near the shore to around 63 near 5000 feet. East winds up to 25 mph increasing to 10 to 25 mph in the afternoon. Chance of rain 50 percent.

Central Maui

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Rest Of Today: Windy. Mostly sunny with isolated showers. Highs 80 to 85. Northeast winds 15 to 30 mph with gusts to 50 mph. Chance of rain 20 percent.

Tonight: Partly cloudy. Breezy. Isolated showers in the evening. Lows 64 to 69. Northeast winds 10 to 25 mph. Chance of rain 20 percent.

Friday: Breezy. Mostly sunny with isolated showers. Highs 79 to 84. Northeast winds 15 to 25 mph. Chance of rain 20 percent.

Upcountry

Rest Of Today: Mostly sunny. Breezy. Scattered showers in the morning, then isolated showers in the afternoon. Highs around 60 at the visitor center to around 56 at the summit. East winds up to 20 mph. Chance of rain 50 percent.

Tonight: Breezy. Mostly clear with scattered showers. Lows around 45 at the visitor center to around 42 at the summit. Northeast winds up to 25 mph. Chance of rain 50 percent.

Friday: Sunny and breezy. Scattered showers in the morning, then isolated showers in the afternoon. Highs around 59 at the visitor center to around 55 at the summit. Northeast winds up to 20 mph becoming 10 to 15 mph in the afternoon. Chance of rain 50 percent.

East Maui

Rest Of Today: Breezy. Partly sunny with scattered showers. Highs 76 to 81 near the shore to around 64 near 5000 feet. East winds 10 to 25 mph. Chance of rain 50 percent.

Tonight: Breezy. Mostly cloudy with scattered showers. Lows 63 to 69 near the shore to around 52 near 5000 feet. Southeast winds up to 20 mph. Chance of rain 50 percent.

Friday: Breezy. Partly sunny with scattered showers. Highs 75 to 80 near the shore to around 63 near 5000 feet. East winds up to 25 mph increasing to 10 to 25 mph in the afternoon. Chance of rain 50 percent.

Lanai City

Rest Of Today: Mostly sunny. Windy. Isolated showers in the afternoon. Highs 72 to 79. Northeast winds 20 to 30 mph. Chance of rain 20 percent.

Tonight: Partly cloudy. Windy. Lows around 64. Northeast winds 15 to 30 mph.

Friday: Mostly sunny. Breezy. Isolated showers in the afternoon. Highs 72 to 79. Northeast winds 15 to 25 mph. Chance of rain 20 percent.

Kaunakakai

Rest Of Today: Mostly sunny. Windy. Isolated showers in the afternoon. Highs 71 to 81. Northeast winds 15 to 30 mph. Chance of rain 20 percent.

Tonight: Partly cloudy. Breezy. Lows 62 to 71. Northeast winds 10 to 25 mph.

Friday: Mostly sunny. Breezy. Isolated showers in the afternoon. Highs 70 to 80. Northeast winds 10 to 25 mph. Chance of rain 20 percent.

Detailed Forecast

Synopsis

High pressure northwest of the state will keep breezy to locally windy conditions in place through Friday, with the trades easing to moderate levels over the weekend, and becoming light enough for leeward land and sea breezes Monday through the middle of next week. Fairly typical trade wind weather will prevail through Saturday night, with showers favoring windward and mauka areas and a few showers reaching leeward areas from time to time. A new front could move into the region from the north on Sunday bringing an increase in trade wind showers. Showers will likely continue to favor windward areas through the first half of next week, but sea breezes could bring an increase in shower activity to leeward and interior areas each afternoon and early evening.

Discussion

Currently at the surface, a 1032 mb high is centered around 900 miles northwest of Kauai, and is driving breezy to locally windy trades across the island chain this evening. Aloft, a southwest to northeast oriented upper level trough is positioned over the central islands, and is producing scattered to broken high clouds over the eastern end of the state. Mostly cloudy conditions are present in most areas of Maui County and the Big Island, as well as windward sections of Oahu and Kauai. Elsewhere clear to partly cloudy skies prevail. Radar imagery shows scattered showers moving into windward sections of all islands, with a few of these showers making the trip over the mountains and into leeward communities at times. Main short term focus revolves around rain chances during the next few days.
High pressure northwest of the islands will remain nearly stationary through Friday, keeping breezy trade to locally windy trades in place through the end of the work week. There is the potential that some of the typically windier areas could see winds reach advisory levels on late tonight and Thursday as the trades peak, and will monitor observations through the night and make a decision on the need for a Wind Advisory for portions of Maui County and the Big Island with the morning forecast package. The trades will gradually trend downward through the weekend, with moderate to locally breezy trades Saturday, lowering to moderate levels Sunday. The trades will ease further into the light to locally moderate range Monday through the middle of next week, with localized sea breezes and land breezes becoming common in many leeward areas.
As for the remaining weather details, the upper level trough will weaken as it slides southeastward tonight and Thursday, with mid- level ridging building in behind it and holding in place through Monday. With the lingering moisture associated with an old washed out front, along with the upper level troughing overhead, we should continue to see scattered to numerous showers moving into windward areas of all islands tonight and early Thursday, with a few showers spilling over into leeward communities from time to time. Some drier air should work into the region from the east Thursday afternoon and Thursday night, reducing shower cover across at least the eastern half of the state. A band of deeper moisture associated with the old front will remain over Kauai and very close to Oahu however, keeping shower coverage a bit higher here.
The models continue to advertise this band of deeper moisture sliding southeastward down the island chain Friday through Saturday night, which should result in an increase in trade wind showers particularly for windward areas as it moves through. A new front is forecast to approach from the north Saturday night, and could bring an increase in shower activity particularly to windward sections of the islands Sunday. The latest model guidance however suggests this front may stall out and dissipate over the northwestern islands or possibly just north of the state for the tail end of the weekend. By early next week the weakening trades will bring a hybrid trade wind and land/sea breeze pattern which could lead to more leeward afternoon and early evening shower activity, with potentially an increase in shower coverage and intensity Tuesday and next Wednesday as upper level energy moves back over the island chain.

Aviation

Robust high pressure centered far northwest of the islands is sustaining breezy to locally strong trade winds statewide. Most of the TEMPO MVFR ceilings and visibilities are concentrated over windward and mauka sections with any incoming showery low clouds, especially Maui County and the Big Island this evening. Otherwise, VFR conditions will prevail.
Strong trade winds will likely persist through at least Thursday. AIRMET Tango for TEMPO moderate low-level turbulence for leeward areas of all islands continues. AIRMETs for mountain obscuration also remain in effect for windward sections of Molokai, Maui, and the Big Island.

Marine

A surface high pressure system centered far northwest of the state will maintain strong trade winds into Friday. A Small Craft Advisory (SCA) remains in effect for all Hawaiian waters through Thursday afternoon due to a combination of strong trade winds and elevated, rough seas. The seas are expected to gradually lower late Thursday and Friday. The SCA will likely need to be extended from Thursday night into Friday for the typically windier waters adjacent the islands of Maui County and the Big Island. The surface high is forecast to weaken and move to a position far north of the state this weekend. This will likely cause the trade winds to weaken from Saturday into early next week.
The current north-northwest swell has lowered to around 6 feet with a wave period near 13 seconds at most of the near shore buoys early this evening. This is about one foot higher than the output from the wave model guidance. Little change in the swell height is forecast into early Thursday morning. The swell is expected to gradually lower as it shifts to a more northerly direction and the period decreases to 10 to 11 seconds from Thursday through Friday. Expect a combination of small north and northwest swells to maintain small surf along most north and west facing shores this weekend.
The strong and gusty northeasterly trade winds near and upstream of the islands will continue to produce elevated, rough surf along east facing shores into Friday. As the trades weaken this weekend, expect choppy surf to gradually lower along east facing shores from Saturday into early next week. A small, out-of-season south swell is expected to produce a slight bump in surf along south facing shores into Friday. This swell will gradually lower this weekend.

HFO Watches/Warnings/Advisories

Small Craft Advisory until 6 PM HST Thursday for all Hawaiian waters,

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Data Courtesy of NOAA.gov

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