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Increased Showers Expected Tonight for Big Island

October 6, 2017, 9:34 AM HST
* Updated October 6, 9:57 AM
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Image: James Grenz

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

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

High Surf Advisory: East-facing shores until 6 p.m. tonight.

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

Breezy trade winds will be strongest along and behind a weakening front that is forecast to move down the island chain from Kauai to Maui County today. Showers will be focused along windward slopes as the feature moves through, though scattered showers will be blown across to leeward areas on the gusty trades. The remnants of the dissipated front will stall near Maui and the Big Island tonight before falling apart on Saturday. A surface low far northeast of the islands will cut off the trades this weekend, leading to a prevailing land and sea breeze pattern. Weak trade winds will likely return next week, though a low level trough may linger over the islands.

 

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Today 

We expect east winds from 10 to 20 mph. Mostly sunny skies with afternoon isolated showers for the Kona side. Areas of leeward haze are expected. Temperatures up to 83° to 88°.

UV index at 10 (“very high” exposure level)

 

Tonight 

Winds are expected to become light and variable tonight. For the Kona side, some isolated showers are possible to start, then clearing skies as the night goes on. Showers likely for windward spots with mostly cloudy skies. Low temperatures from 71° to 76°.

 

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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