Today: Mostly sunny with isolated showers. Highs 80 to 85 near the shore to around 70 at 4000 feet. Light winds becoming east up to 10 mph in the afternoon. Chance of rain 20 percent.
Tonight: Partly cloudy. Lows around 65 near the shore to around 54 at 4000 feet. Light winds.
Friday: Mostly sunny. Isolated showers in the afternoon. Highs 81 to 86 near the shore to 67 to 72 at 4000 feet. South winds up to 15 mph. Chance of rain 20 percent.
Kona
Today: Sunny. Highs 79 to 84 near the shore to around 71 near 5000 feet. Light winds becoming west up to 10 mph in the afternoon.
Tonight: Mostly clear. Lows 65 to 70 near the shore to around 55 near 5000 feet. Light winds.
ARTICLE CONTINUES BELOW AD
ARTICLE CONTINUES BELOW AD
Friday: Sunny. Isolated showers in the afternoon. Highs 79 to 84 near the shore to around 71 near 5000 feet. Light winds. Chance of rain 20 percent.
Waimea
Today: Mostly sunny. Highs around 81 near the shore to 71 to 77 near 3000 feet. West winds up to 10 mph shifting to the northwest in the afternoon.
Tonight: Mostly clear. Lows around 64 near the shore to 51 to 58 near 3000 feet. Light winds.
Friday: Sunny. Isolated showers in the afternoon. Highs around 82 near the shore to 71 to 77 near 3000 feet. Light winds. Chance of rain 20 percent.
Kohala
Today: Mostly sunny. Highs around 81 near the shore to 71 to 77 near 3000 feet. West winds up to 10 mph shifting to the northwest in the afternoon.
ARTICLE CONTINUES BELOW AD
Tonight: Mostly clear. Lows around 64 near the shore to 51 to 58 near 3000 feet. Light winds.
Friday: Sunny. Isolated showers in the afternoon. Highs around 82 near the shore to 71 to 77 near 3000 feet. Light winds. Chance of rain 20 percent.
South Big Island
Today: Sunny. Highs around 82 near the shore to around 72 near 5000 feet. West winds up to 10 mph.
Tonight: Mostly clear. Lows around 67 near the shore to around 54 near 5000 feet. Light winds.
Friday: Mostly sunny. Isolated showers in the afternoon. Highs around 82 near the shore to around 72 near 5000 feet. East winds up to 15 mph. Chance of rain 20 percent.
Puna
ARTICLE CONTINUES BELOW AD
Today: Mostly sunny with isolated showers. Highs 80 to 85 near the shore to around 70 at 4000 feet. Light winds becoming east up to 10 mph in the afternoon. Chance of rain 20 percent.
Tonight: Partly cloudy. Lows around 65 near the shore to around 54 at 4000 feet. Light winds.
Friday: Mostly sunny. Isolated showers in the afternoon. Highs 81 to 86 near the shore to 67 to 72 at 4000 feet. South winds up to 15 mph. Chance of rain 20 percent.
Waikoloa
Today: Sunny. Highs around 81 near the shore to 68 to 73 above 4000 feet. Light winds becoming northwest up to 10 mph in the afternoon.
Tonight: Mostly clear. Lows around 69 near the shore to 51 to 56 above 4000 feet. Light winds.
Friday: Sunny. Highs around 81 near the shore to 68 to 73 above 4000 feet. Light winds.
Detailed Forecast
Synopsis
Weak high pressure over the island chain will bring mostly dry conditions with sea breezes today and land breezes tonight. Little change is expected Friday through early next week, with rather dry weather continuing and winds shifting southerly at light to moderate speeds ahead of a couple slowly approaching cold fronts. A stronger front could bring some more unsettled weather and windy conditions back to the island chain around the middle of next week.
Discussion
Currently at the surface, a surface ridge axis is located over the state early this morning, with land breezes dominant across the entire island chain. Infrared satellite imagery shows mostly clear to partly cloudy conditions across the state. Radar imagery shows dry conditions over the smaller islands, with a couple showers over windward and southeast sections of the Big Island.
The high pressure ridge with gradually shift eastward today through Friday as a front approaches from the northwest. Light and variable winds will lead to land and sea breezes today, with winds shifting southerly and increasing to light to moderate speeds for Friday. The front will stall out and gradually dissipate over the weekend, with moderate southerlies on Saturday dropping ever so slightly for Sunday. Winds will pick back up to moderate and locally breezy levels again early next week in advance of the next cold front, potentially getting very windy again as the front moves through the state around the middle of next week.
As for the remaining weather details, rather dry conditions are expected statewide through early next week, with rain chances remaining very low. As the southerly flow picks up Monday night and Tuesday in advance of the next cold front, we should see showers increase, particularly over the western islands. Another round of locally heavy showers and potentially a few thunderstorms then appear to move through the islands from west to east around the middle of next week.
Aviation
Light and variable flow will prevail today. Thus, expect sea breezes to develop along the coastal regions by the afternoon. Aside from some isolated showers near the Big Island, conditions will be VFR and dry.
No AIRMETs are currently in effect.
Marine
Light and variable winds will persist over the state today as a weak high has developed over the island chain. This high will migrate eastward with a trailing ridge of high pressure to remain over the state for the next several days. A new front move just north of the state Friday and stall through the weekend, generating gentle to moderate south to southwest winds.
Offshore and near shore buoys show the large north-northwest (300-310 degree) swell has peaked and will steadily subside today. A High Surf Warning remains for most north and west facing shores through today but may dip down to advisory levels later this morning depending on how fast this swell declines. The next large, long period west-northwest (300 deg) swell will build Saturday and produce surf around warning levels Saturday night into Sunday.
Surf along east facing shores will remain small into next week due to a lack of easterly trade winds locally and upstream of the islands. Surf along south facing shores will trend down the next couple of days as southwesterly wind waves and a small, long period south swell fades.
HFO Watches/Warnings/Advisories
High Surf Warning until 6 PM HST this evening for Niihau, Kauai Leeward, Waianae Coast, Oahu North Shore, Maui Windward West, Kona, Kohala, Kauai North, Molokai Windward, Molokai North, Molokai West, Maui Central Valley North, Windward Haleakala.
High Wind Warning until 6 PM HST this evening for Big Island Summits.
Small Craft Advisory until 6 PM HST this evening for Kauai Northwest Waters, Kauai Windward Waters, Kauai Leeward Waters, Kauai Channel, Oahu Windward Waters, Kaiwi Channel, Maui County Windward Waters, Alenuihaha Channel, Big Island Windward Waters.
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