Winds Weakening, Rain Increasing This Week
Alerts
A Small Craft Advisory is posted for all Big Island coastal waters and the ʻAlenuihāhā channel through 6 p.m. Monday for northeast winds up to 30 knots and seas up to 15 feet.
A High Surf Advisory is in effect for east facing shores through Monday at 6 p.m. Surf heights of 7 to 10 foot faces are expected.
Check our breaking news section for any urgent weather alerts.
**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.**
Looking Ahead
Breezy trade winds are expected through the day Monday with fewer showers expected and winds dropping off by Monday night. The trades are forecast to strengthen back to breezy levels by Wednesday and continue into next weekend. A significant increase in moisture is expected to move over the islands from the southeast beginning on Wednesday, and then continue into next weekend, bringing increased showers which may become locally heavy.
Today
Today partly sunny skies are expected. Windward spots will get numerous morning showers with scattered showers during the day. Leeward spots will be mostly sunny to start with partly cloudy skies and scattered showers in the afternoon. High temperatures from 82° to 87°. East winds are forecast from 15 to 20 mph.
UV index at 7 (“high” exposure level)
Tonight
East winds are expected in the evening from 10 to 20 mph. Low temperatures from 67° to 73°. Mostly cloudy skies are expected in the evening with scattered showers for windward spots. Leeward spots should be partly cloudy with isolated showers and clearing as the night goes on.
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