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Fernanda Weather Forecast Less Uncertain

July 20, 2017, 1:32 AM HST
* Updated July 19, 9:35 PM
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Image: James Grenz

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

Special Weather Statement: Coastal flooding is possible as spring tides occur. The greatest potential for that will be in the afternoon hours when the tide is expected to be the highest. This coupled with Fernanda swell could lead to higher than usual run-up. This could last for the next few days.

High Surf Advisory: East facing shores of the Big Island and Maui through 6 p.m. Thursday.

Small Craft Advisory: East to northeast winds up to 25 knots through 6:00 a.m. Friday.

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

Breezy winds are forecast through Friday before easing for the weekend. Rainfall associated with Fernanda is expected to spread over the islands this weekend. The weather early next week depends on what happens with the remnants of Fernanda, expected to pass just north of the islands on Monday. Fernanda will likely weaken our winds, and bring very muggy conditions for a couple of days.

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Today

We expect northeast winds around 10 to 20 mph. High temperatures are forecast from 84° to 89°. Partly cloudy skies with scattered showers for the Hilo side in the morning. Partly sunny skies in the morning for Kona with afternoon scattered showers mainly for upslope areas.

UV index at 12 (“extreme” exposure level)

 

Tonight 

Northeast winds are forecast around 10 to 20 mph. Mostly cloudy skies with scattered windward showers, clearing skies for leeward spots. Low temperatures from 73° to 78°.

 

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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