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September 17, 2018 Weather Forecast

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Photo: James Grenz

There are no active watches, warnings or advisories

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

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Looking Ahead

The trade wind speeds are expected to decline around midweek. A trough will move east to west across the state and weaken Wednesday and Thursday, followed by a reinvigorating of trade winds into the weekend. The airmass will remain generally stable aloft, with areas of increased humidity moving through parts of the state Wednesday through Friday.

Hilo

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This Afternoon: A 20 percent chance of showers. Mostly sunny, with a high near 85. Northeast wind 5 to 7 mph becoming calm.

Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 67. Light and variable wind becoming west 5 to 10 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: Showers likely, mainly before noon. Partly sunny, with a high near 86. West wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Kona

This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 83. Southwest wind 5 to 7 mph becoming light and variable.

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Tonight: Isolated showers before midnight. Partly cloudy, with a low around 67. Light and variable wind becoming east southeast around 6 mph in the evening. Chance of precipitation is 20%.

Tuesday: Isolated showers after noon. Mostly sunny, with a high near 83. West northwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 20%.

Waimea

This Afternoon: A 20 percent chance of showers. Mostly sunny, with a high near 80. Breezy, with a northeast wind 17 to 20 mph, with gusts as high as 28 mph.

Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 58. Breezy, with a northeast wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

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Tuesday: Scattered showers. Partly sunny, with a high near 80. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Kohala

This Afternoon: A 30 percent chance of showers. Partly sunny, with a high near 67. Breezy, with an east northeast wind 15 to 18 mph, with gusts as high as 25 mph.

Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 53. Breezy, with an east northeast wind 15 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 67. Breezy, with an east northeast wind 10 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

South Point

This Afternoon: Mostly sunny, with a high near 85. Windy, with an east wind around 23 mph, with gusts as high as 29 mph.

Tonight: Scattered showers after midnight. Partly cloudy, with a low around 76. Breezy, with an east northeast wind 16 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

Tuesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 85. Breezy, with an east wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

Puna

This Afternoon: A 30 percent chance of showers. Mostly sunny, with a high near 84. North northeast wind 6 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 65. North northwest wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 85. West wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Waikoloa

This Afternoon: Mostly sunny, with a high near 88. Breezy, with a northeast wind 7 to 15 mph becoming north northwest. Winds could gust as high as 20 mph.

Tonight: Mostly cloudy, then gradually becoming clear, with a low around 66. Calm wind becoming south southeast 5 to 8 mph after midnight.

Tuesday: Increasing clouds, with a high near 88. Northwest wind 5 to 8 mph becoming light and variable in the afternoon.

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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