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Trade Winds Building Today for Big Island

January 17, 2017, 1:20 AM HST
* Updated January 16, 10:25 PM
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Image: James Grenz

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

Small Craft Advisory for the ʻAlenuihāhā channel and leeward waters through 6 p.m. Tuesday.

High Wind Warning through 6 p.m. Tuesday for the summits of Mauna Loa and Mauna Kea for east winds of 40 to 60 mph, gusting to over 70 mph.

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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Looking Ahead

Trade winds are expected to slowly build from east to west across the state through Wednesday. The trades will then drop off Thursday and Friday as a front approaches from the northwest. Limited showers will favor windward and mauka areas through the week. A change in weather is expected over the weekend as a front pushes southward through the island chain, bringing an increase in showers and strong trade winds to the Aloha state.

 

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Today

We have northeast winds today from 10 to 25 mph with high temperatures from 79° to 84°. Partly sunny skies are forecast for windward and mauka spots with isolated showers and mostly sunny skies for the Kona side with some clouds building in the afternoon.

UV index at 8 (“very high” exposure level)

 

Tonight 

Northeast winds 10 to 25 mph tonight. Scattered windward showers with clearing skies for the leeward side. Low temperatures from 69° to 74°.

 

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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