Enhanced Windward Showers Today
Alerts
A Small Craft Advisory is posted for leeward and southern Big Island waters as well as the Alenuihaha channel through 6:00 p.m. Friday. East winds up to 30 knots are forecasted along with rough seas of 10 to 13 feet. Inexperienced mariners should avoid navigating in these conditions.
A High Surf Advisory is posted for our east facing shores through 6:00 a.m. Friday. Surf is expected to reach 5 to 8 foot faces. Expect strong breaking waves, shore break and strong longshore and rip currents making swimming difficult and dangerous.
**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
Mostly cloudy skies are forecasted for windward spots with frequent showers. Mostly sunny skies for leeward areas becoming mostly cloudy by the afternoon with scattered showers. Winds are expected out of the east from 15 to 25 mph. High temperatures from 81° to 86°.
UV index at 11 (“extreme” exposure level)
Tonight
Mostly cloudy skies are expected tonight with likely windward showers. Partly cloudy for leeward spots with isolated showers and clearing as the night goes on. East winds are forecasted from 15 to 25 mph. Low temperatures from 68° to 73° are expected.
Looking Ahead
Fresh to locally strong trade winds are expected to gradually weakening to moderate levels on Saturday. A line of clouds and showers is forecasted to interact with a passing shortwave trough and produce enhanced showers Friday. Drier conditions should prevail this weekend, with a slight increase in showers next week. Trade winds will focus more of the precipitation across windward areas.
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 / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: UHSOEST
Image: NOAA / NWS
Image: NOAA / NWS
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