Windward Showers, Slight Chance T-storms
A Small Craft Advisory is posted for all the ʻAlenuihāhā channel as well as waters to the west and south of the Big Island through noon Saturday for winds up to 25 knots and rough seas up 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.**
Today and Sunday
We expect high temperatures from 84° to 89°. East winds are expected around 15 mph. Partly to mostly cloudy skies are forecasted with showers likely in windward spots. Leeward spots are expected to get showers mainly in the afternoon and evening. A slight chance of thunderstorms also exists during that time. On Sunday the threat for afternoon thunderstorms goes down with only scattered afternoon showers expected.
UV index at 12 (“extreme” exposure level)
Tonight and Sunday night
East winds are forecasted around 15 mph. Mostly cloudy skies and showers are expected in windward spots. Leeward areas should gradually clear as the night goes on. Low temperatures from 73° to 78° are expected.
Passing showers over windward and mauka areas can be expected this weekend. Trade winds will remain at moderate levels through Saturday. Winds will become lighter early next week. Moisture associated with the trough may also cause an increase in shower activity over some areas.
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