Weather

July 18, 2018 Weather Forecast

July 18, 2018, 7:00 AM HST
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Photo: Chris Archer

High Surf Advisory issued July 18 at 3:30AM HST until July 19 at 6:00AM HST by NWS

Our weather team will bring you any urgent weather alerts or updates as they occur. Check our breaking news section for the latest.

**Click directly on the images below to make them larger. Charts include: Maui County high/low forecasted temperatures, projected winds, projected localized weather conditions and expected wave heights.**

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Looking Ahead

Breezy trade winds will prevail today and tonight, with rather wet conditions over windward areas, especially on Maui and the Big Island, and some showers carrying over into leeward sections of the smaller islands. Drier trade wind weather will return on Thursday, with the winds easing a bit by Friday. Moderate trade winds are then expected to continue through the weekend, with showers focused mostly on windward areas. The leeward slopes of the Big Island will continue to see the typical summertime clouds and widely scattered showers each afternoon.

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West Side

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Today: Isolated showers. Mostly sunny, with a high near 88. Breezy, with an east northeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Tonight: Isolated showers before 7pm. Mostly clear, with a low around 72. Breezy, with an east northeast wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

Thursday: Isolated showers after 1pm. Mostly sunny, with a high near 88. East northeast wind 9 to 11 mph. Chance of precipitation is 20%.

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South Side

Today: Mostly sunny, with a high near 89. West wind around 6 mph becoming calm in the afternoon.

Tonight: Clear, with a low around 71. Light north northeast wind.

Thursday: Increasing clouds, with a high near 89. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

North Shore

Today: Scattered showers. Partly sunny, with a high near 89. Windy, with an east wind 23 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers. Mostly cloudy, with a low around 70. Windy, with an east wind around 23 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Scattered showers, mainly before 7am. Mostly sunny, with a high near 89. Windy, with an east wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Central Maui

Today: Isolated showers. Mostly sunny, with a high near 90. Heat index values as high as 96. Breezy, with an east northeast wind 15 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

Tonight: Isolated showers before midnight. Partly cloudy, with a low around 70. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Thursday: Isolated showers before noon. Mostly sunny, with a high near 90. Breezy, with an east northeast wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Upcountry

Today: Sunny, with a high near 81. Southeast wind 5 to 7 mph becoming calm.

Tonight: Mostly clear, with a low around 60. East southeast wind 5 to 9 mph becoming light southeast after midnight.

Thursday: Sunny, with a high near 81. Calm wind becoming west around 6 mph.

East Maui

Today: Frequent showers. High near 84. Breezy, with an east wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Scattered showers. Mostly cloudy, with a low around 74. East wind 8 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Scattered showers. Partly sunny, with a high near 84. East wind 5 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Lanai City

Today: Mostly sunny, with a high near 80. Breezy, with an east northeast wind 14 to 17 mph, with gusts as high as 24 mph.

Tonight: Mostly clear, with a low around 67. Breezy, with a northeast wind 9 to 17 mph, with gusts as high as 24 mph.

Thursday: Mostly sunny, with a high near 80. Northeast wind 9 to 13 mph.

Kaunakakai

Today: Sunny, with a high near 88. Heat index values as high as 95. Breezy, with an east wind 14 to 18 mph, with gusts as high as 25 mph.

Tonight: Mostly clear, with a low around 75. East wind around 14 mph, with gusts as high as 18 mph.

Thursday: Sunny, with a high near 88. Breezy, with an east wind 13 to 17 mph, with gusts as high as 23 mph.

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Data Courtesy of NOAA.gov

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