Trade Winds Weaken Slightly
Alerts (as of 1:00 a.m.)
A Small Craft Advisory is posted for the ʻAlenuihāhā channel and leeward waters through 6 a.m. Friday.
**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.**
Trade winds are forecast to stay locally breezy through Friday. Slight weakening of the trades is possible Friday night and Saturday. Sunday and Monday trades are expected to strengthen once again. The trades should focus showers over windward and mauka spots. Some showers may spread leeward over the smaller islands from time to time but mainly nights and mornings. Afternoon showers are possible over the lee slopes of the Big Island.
We expect partly cloudy skies with scattered windward showers during the day. The Kona side will be mostly sunny with scattered showers in the afternoon as clouds build. Hazy areas are expected. East winds are forecast from 15 to 20 mph. High temperatures from 80° to 85°.
UV index at 11 (“extreme” exposure level)
East winds are expected around 10 – 20 mph. Mostly cloudy skies are forecast with scattered to windward showers likely. For the Kona side mostly cloudy to start with clearing skies as the night goes on. 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