A High Surf Advisory has been posted for the south shore. The advisory will go into effect from 4:00 a.m. Wednesday to 10:00 a.m. Thursday for surf heights of 6 to 8 foot faces. Expect strong breaking waves, shore break and strong longshore and rip currents making swimming difficult and dangerous.
A Small Craft Advisory is posted for the ʻAlenuihāhā channel as well as Big Island leeward and southeast waters through 6:00 p.m. Friday. East winds up to 30 knots are forecasted along with rough seas of 8 to 13 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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SWIPE LEFT OR RIGHT
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Today
Leeward spots will get lots of morning sunshine then clouds will build in the afternoon along with scattered showers. Some leeward haze is expected in the afternoon. Windward spots are forecasted to get partly to mostly cloudy skies with scattered showers mainly in the morning. Winds are expected out of the northeast from 15 to 20 mph. High temperatures from 81° to 86°.
UV index at 11 (“extreme” exposure level)
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Tonight
Mostly cloudy skies are expected tonight and windward showers are likely. Partly cloudy for leeward spots with scattered showers and clearing as the night goes on. Trade winds are forecasted from 15 to 20 mph. Low temperatures from 68° to 73° are expected.
Looking Ahead
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Moderate to fresh trade winds will continue through Thursday, then increase on Friday, and remain strong through the weekend and into next week. Conditions should be stable with clouds and showers favoring windward and mauka areas. Pockets of moisture riding in on the trade winds may periodically boost showers, allowing a few showers to spread to the leeward areas of the smaller islands.
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