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Trade Winds in Control of Forecast

September 19, 2017, 1:46 AM HST
* Updated September 18, 9:51 PM
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Image; James Grenz

Alerts (as of 1:00 a.m.)

Small Craft Advisory: In effect through 6 p.m. Wednesday

Check our breaking news section for any urgent weather alerts or updates to the weather alerts listed above.

**Click directly on the images below to make them larger. Charts include: Big Island high/low forecasted temperatures, projected winds, chance of cloud cover, projected localized weather conditions, vog/SO2 forecast and expected wave heights.**

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ARTICLE CONTINUES BELOW AD

Looking Ahead

ARTICLE CONTINUES BELOW AD

Moderate to breezy trade winds are forecast through the rest of the work week with winds expected to weaken a bit over the weekend and into early next week. Showers will favor our usual windward and mauka spots in the overnight hours.

 

Today 

ARTICLE CONTINUES BELOW AD

We expect east winds from 15 to 20 mph. Partly cloudy skies in windward spots with scattered showers. Leeward spots should be mostly sunny to start with clouds building in the afternoon and just isolated showers. Temperatures up to 84° to 89°.

UV index at 11 (“extreme” exposure level)

 

Tonight 

East winds from 10 to 20 mph. Scattered showers in windward spots with clearing skies for the Kona side. Low temperatures from 72° to 77°.

 

Our Big Island Now Weather homepage always includes daily: Sunrise | Sunset | Moonrise | Moonset | Moon Phase | Live Weather Cams | 5-day Forecast | Current Temperature & Conditions

**Click here for your detailed Big Island surf report.**

Image; NOAA

Image; NOAA

Image; NOAA

Image; NOAA

Image; NOAA

Image; NOAA

Image; NOAA

Image; NOAA

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