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Malika Dudley’s Big Island Weather Forecast

November 22, 2017, 9:21 AM HST
* Updated November 22, 10:21 AM
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Image: James Grenz

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

High Surf Warning: North and east facing shores of Big Island through 6 a.m. Friday.

Small Craft Advisory: From noon today through 6 p.m. Friday for building seas and northeast winds up to 30 knots.

Marine Weather Statement: A large long-period north swell is forecast to move into the island chain this afternoon. This well could produce surges in north facing harbors like Hilo and could produce large breaking waves near channel and harbor entrances. Mariners are asked to exercise extreme caution.

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

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**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

Gusty trade winds are forecast starting later today and continuing through the Thanksgiving Holiday Weekend. Expect brief showers mainly along windward and mauka areas, occasionally spreading leeward on the smaller islands. An area of enhanced moisture moving up from the southeast starting Sunday may bring an increase in low clouds and rainfall, especially over the windward Big Island.

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Today 

We expect northeast winds up to 15 to 20 mph with higher gusts this afternoon. Partly cloudy skies are forecast with scattered windward showers. Lots of leeward sunshine with isolated evening showers. Some areas of haze as well. Temperatures up to 80° to 85°.

UV index at 5 (“moderate” exposure level)

 

Tonight 

Mostly cloudy skies with scattered windward showers and isolated leeward showers. Low temperatures from 64° to 69°. Winds are expected to be northeast up to 15 to 25 mph.

 

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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