Trade Wind Weather Returns for Big Island
Image: James Grenz
Alerts (as of 1:00 a.m.)
A High Surf Warning is posted for the north shore of the Big Island through 6 a.m. Friday.
A High Surf Advisory is posted for the west side of the Big Island through 6 a.m. Friday.
A Small Craft Advisory is in effect through 6 a.m. Friday for all Big Island waters.
A Marine Weather Statement has been issued. A very large northwest swell will affect Hawaii through Thursday night with open ocean swells of 20 feet and surges expected in Hilo harbor. Large breaking waves are also expected at the harbor entrance.
**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
Trade wind weather is forecast to return Thursday. Clouds and passing showers will favor windward and mauka areas as the trade winds take over. Lighter winds are expected early next week as another front approaches. A very large northwest swell will build overnight and linger into Friday resulting in hazardous conditions along exposed shorelines.
Today
Today we expect mostly sunny skies with just isolated showers. Northeast winds are forecast around 15 mph. High temperatures from 78° to 83°.
UV index at 9 (“very high” exposure level)
Tonight
Northeast winds are expected around 15 mph. Low temperatures from 67° to 72° with partly cloudy skies and scattered windward showers. Leeward spots should be mostly clear.
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: NOAA /NWS
Image: NOAA /NWS
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