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Weaker Winds Expected

May 20, 2015, 1:08 AM HST
* Updated May 19, 10:11 PM
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Alerts

A Small Craft Advisory is posted for Big Island leeward and southeast waters through 6:00 a.m. Wednesday. East winds up to 25 knots are forecasted along with rough seas of 7 to 11 feet. Inexperienced mariners should avoid navigating in these conditions.

**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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Today

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Today we expect high temperatures from 81° to 86°. Winds will be out of the east around 15 mph. Leeward sides should be mostly sunny in the morning becoming mostly cloudy in the afternoon with scattered showers expected. Windward sides should be partly cloudy with scattered showers during the day.

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UV index at 11 (“extreme” exposure level)

 

Tonight

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Partly cloudy skies are expected tonight with scattered windward showers. Partly cloudy for leeward spots with scattered showers and clearing as the night goes on. East winds are forecasted around 15 mph. Low temperatures from 68° to 73° are expected.

 

 

Looking Ahead 

Trade winds are expected to begin to weaken on Wednesday, then break down into a light sea breeze pattern on Thursday as a weakening front approaches from the northwest. This front is forecasted to reach Kauai on Friday, then dissipate over the weekend as it moves down the island chain. Behind the front (early next week), light trade winds are expected to fill in.

 

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 / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

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