Hawaii County Weather Forecast for June 22, 2022

Photo Credit: James Grenz

Hilo

Today: Cloudy with occasional showers in the morning, then partly sunny with scattered showers in the afternoon. Highs around 82 near the shore to 68 to 73 at 4000 feet. Northeast winds up to 10 mph. Chance of rain 80 percent.

Tonight: Mostly cloudy. Showers likely in the evening, then occasional showers after midnight. Lows around 67 near the shore to around 53 at 4000 feet. Northwest winds up to 10 mph. Chance of rain 60 percent.

Thursday: Partly sunny. Showers likely in the morning, then scattered showers in the afternoon. Highs around 83 near the shore to 68 to 73 at 4000 feet. Northeast winds up to 10 mph. Chance of rain 60 percent.

Kona

Today: Mostly cloudy with isolated showers in the morning, then mostly cloudy with scattered showers in the afternoon. Highs 81 to 86 near the shore to around 68 near 5000 feet. West winds up to 10 mph. Chance of rain 40 percent.

Tonight: Mostly cloudy in the evening then partly cloudy. Isolated showers. Lows 68 to 74 near the shore to around 54 near 5000 feet. Light winds. Chance of rain 20 percent.

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Thursday: Mostly cloudy in the morning, then mostly cloudy with scattered showers in the afternoon. Highs 81 to 86 near the shore to around 68 near 5000 feet. West winds up to 10 mph. Chance of rain 40 percent.

Waimea

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Today: Breezy. Partly sunny with scattered showers. Highs around 80 near the shore to 68 to 78 near 3000 feet. Southeast 10 to 20 mph. Chance of rain 50 percent.

Tonight: Mostly cloudy with scattered showers. Lows around 67 near the shore to 55 to 61 near 3000 feet. East winds up to 15 mph. Chance of rain 50 percent.

Thursday: Breezy. Partly sunny with scattered showers. Highs around 81 near the shore to 68 to 78 near 3000 feet. East winds up to 20 mph increasing to 10 to 20 mph in the afternoon. Chance of rain 50 percent.

Kohala

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Today: Breezy. Partly sunny with scattered showers. Highs around 80 near the shore to 68 to 78 near 3000 feet. Southeast 10 to 20 mph. Chance of rain 50 percent.

Tonight: Mostly cloudy with scattered showers. Lows around 67 near the shore to 55 to 61 near 3000 feet. East winds up to 15 mph. Chance of rain 50 percent.

Thursday: Breezy. Partly sunny with scattered showers. Highs around 81 near the shore to 68 to 78 near 3000 feet. East winds up to 20 mph increasing to 10 to 20 mph in the afternoon. Chance of rain 50 percent.

South Big Island

Today: Mostly sunny. Breezy. Isolated showers in the afternoon. Highs around 85 near the shore to around 72 near 5000 feet. East winds up to 20 mph. Chance of rain 20 percent.

Tonight: Partly cloudy. Isolated showers in the evening. Lows around 69 near the shore to around 52 near 5000 feet. Northeast winds up to 15 mph. Chance of rain 20 percent.

Thursday: Mostly sunny. Breezy. Isolated showers in the afternoon. Highs around 85 near the shore to around 72 near 5000 feet. East winds up to 20 mph increasing to 10 to 20 mph in the afternoon. Chance of rain 20 percent.

Puna

Today: Cloudy with occasional showers in the morning, then partly sunny with scattered showers in the afternoon. Highs around 82 near the shore to 68 to 73 at 4000 feet. Northeast winds up to 10 mph. Chance of rain 80 percent.

Tonight: Mostly cloudy. Showers likely in the evening, then occasional showers after midnight. Lows around 67 near the shore to around 53 at 4000 feet. Northwest winds up to 10 mph. Chance of rain 60 percent.

Thursday: Partly sunny. Showers likely in the morning, then scattered showers in the afternoon. Highs around 83 near the shore to 68 to 73 at 4000 feet. Northeast winds up to 10 mph. Chance of rain 60 percent.

Waikoloa

Today: Sunny in the morning then becoming partly sunny. Breezy. Highs around 85 near the shore to 69 to 75 above 4000 feet. Northeast winds up to 20 mph.

Tonight: Mostly clear. Isolated showers in the evening. Lows 69 to 74 near the shore to 50 to 57 above 4000 feet. Southeast winds up to 15 mph. Chance of rain 20 percent.

Thursday: Sunny in the morning then becoming partly sunny. Highs around 85 near the shore to 69 to 75 above 4000 feet. Northeast winds up to 15 mph.

Synopsis

Moderate to breezy easterly trade southeast will persist through Thursday, then ease Friday into the weekend. Clouds and showers will favor windward the mauka areas, mainly through the overnight and early morning periods as pockets of moisture move through. A return of breezy trades is expected early next week.

Discussion

Early morning satellite and radar data showed a decent sized area of ​​patchy low clouds and showers moving through our windward areas. Although most of this activity will continue to be focused on the smaller islands through the early hours today (trade wind inversion floating around 8000-9000 ft). Drier on lurking upstream should arrive later today, which will translate to a typical summer pattern (dry) for the islands.
Fridays into the weekend as the ridge weakens to the north – potentially enough for localized land / sea breezes to form in sheltered locations. Showers will be sparse, mainly affecting windward and mountain locations throughout the mornings as pockets of low-level moisture move through. Breezy trades are forecast to return early next week as the ridge strengthens to the north.

Aviation

Moderate to locally breezy trade in the southeast of the TAF period, with showers concentrated mainly across windward sections and islands between islands through tonight. Satellite data continues to show the area of ​​the islands this morning, as a result of a poor trade wind inversion. Current surface obsession to show some MVRF cigs drifting across the islands this morning, associated with the cloud deck, however expect clouds to break some later this afternoon as afternoon mixing develops. Overall, expect some MVFR cigs Otherwise, expect mainly VFR conds across most TAF locations through tonight.

Marine

High pressure northeast of the state will keep moderate to fresh trade southeast in place through Thursday. The trades will be locally dominant over the typically windy waters around Maui and the Big Island at times, and a Small Craft Advisory is in effect for these areas through 6 PM today. The trades will ease a bit Friday through the weekend, then strengthen to fresh levels early next week as new high builds north of the island chain.
South shore surf will hold above the summertime average today, with a slow and gradual decline expected Thursday through Saturday. A series of new long-period south swells will rise above the summertime average again Sunday through the middle of next week.
North shore surf will remain flat through the next 7 days.
Steady trade wind swell will keep east shore surf below normal through the next 7 days. A small northeast swell will also move through the islands late Friday through early next week.

HFO Watches / Warnings / Advisories

Small Craft Advisory until 6 PM HST this evening for Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big Island Leeward Waters, Big Island Southeast Waters.

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Courtesy Data of NOAA.gov

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