Hawaii County Weather Forecast for July 14, 2022

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Photo credit: James Grenz

Hello

Today: Partially sunny. Many showers in the morning, then scattered showers in the afternoon. Highs around 82 near shore at 67 to 72 at 4000 feet. Northerly winds up to 15 mph shifting to the northeast in the afternoon. Chance of rain 70 percent.

This evening: Rather cloudy with many showers. Lows around 70 near shore at around 57 at 4000 feet. North winds up to 15 mph. Chance of rain 70 percent.

Friday: Partially sunny. Many showers in the morning, then scattered showers in the afternoon. Highs around 83 near shore at 68 to 73 at 4000 feet. Northeast winds up to 15 mph increasing to 10 to 15 mph in the afternoon. Chance of rain 70 percent.

Kona

Today: Sunny in the morning, then partly sunny with scattered showers in the afternoon. Highs of 80 to 86 near shore to about 67 near 5000 feet. West winds up to 10 mph. Chance of rain 40 percent.

This evening: Rather cloudy in the evening then becoming partly cloudy. Isolated showers. Lows around 75 near shore to around 58 near 5000 feet. Light winds. Chance of rain 20 percent.

THE ARTICLE CONTINUES UNDER THE AD

Friday: Sunny in the morning, then partly sunny with scattered showers in the afternoon. Highs 81 to 86 near shore to about 68 near 5000 feet. West winds up to 10 mph. Chance of rain 40 percent.

Waimea

THE ARTICLE CONTINUES UNDER THE AD

Today: Costs. Partly sunny with scattered showers. Highs around 80 near shore to 67 to 78 near 3000 feet. East winds 10-25 mph gusting to 45 mph. Chance of rain 50 percent.

This evening: Costs. Mostly cloudy with scattered showers. Lows around 70 near shore to 58 to 64 near 3000 feet. East winds 10 to 25 mph. Chance of rain 50 percent.

Friday: Costs. Partly sunny with scattered showers. Highs around 81 near shore to 68 to 78 near 3000 feet. East winds 10 to 25 mph. Chance of rain 50 percent.

Kohala

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Today: Costs. Partly sunny with scattered showers. Highs around 80 near shore to 67 to 78 near 3000 feet. East winds 10-25 mph gusting to 45 mph. Chance of rain 50 percent.

This evening: Costs. Mostly cloudy with scattered showers. Lows around 70 near shore to 58 to 64 near 3000 feet. East winds 10 to 25 mph. Chance of rain 50 percent.

Friday: Costs. Partly sunny with scattered showers. Highs around 81 near shore to 68 to 78 near 3000 feet. East winds 10 to 25 mph. Chance of rain 50 percent.

big south island

Today: Costs. Sunny in the morning, then partly sunny with isolated showers in the afternoon. Highs around 85 near shore to around 72 near 5000 feet. East winds 10 to 25 mph. Chance of rain 20 percent.

This evening: Costs. Mostly cloudy with isolated showers in the evening, then mostly clear after midnight. Lows 70 to 75 near shore to about 55 near 5000 feet. East winds 10 to 20 mph. Chance of rain 20 percent.

Friday: Quite sunny. Costs. Isolated showers in the afternoon. Highs around 85 near shore to around 72 near 5000 feet. East winds up to 25 mph increasing to 10 to 25 mph in the afternoon. Chance of rain 20 percent.

puna

Today: Partially sunny. Many showers in the morning, then scattered showers in the afternoon. Highs around 82 near shore at 67 to 72 at 4000 feet. Northerly winds up to 15 mph shifting to the northeast in the afternoon. Chance of rain 70 percent.

This evening: Rather cloudy with many showers. Lows around 70 near shore at around 57 at 4000 feet. North winds up to 15 mph. Chance of rain 70 percent.

Friday: Partially sunny. Many showers in the morning, then scattered showers in the afternoon. Highs around 83 near shore at 68 to 73 at 4000 feet. Northeast winds up to 15 mph increasing to 10 to 15 mph in the afternoon. Chance of rain 70 percent.

Waikoloa

Today: Quite sunny. Costs. Isolated showers in the afternoon. Highs around 85 near shore to 68 to 74 above 4000 feet. Northeast winds up to 25 mph gusting to 45 mph. Chance of rain 20 percent.

This evening: Partly cloudy. Costs. Isolated showers in the evening. Lows around 75 near shore to 55 to 60 above 4000 feet. East winds up to 25 mph. Chance of rain 20 percent.

Friday: Sunny and windy. Isolated showers in the afternoon. Highs around 85 near shore to 69 to 75 above 4000 feet. Northeast winds up to 25 mph. Chance of rain 20 percent.

Synopsis

Windy exchanges will continue to concentrate showers and lower cloud over windward areas and mauka this morning, before decreasing in surface coverage this afternoon. Otherwise, the trade wind pattern in place in the islands will continue through Friday. The remnants of Hurricane Darby will pass south of the Big Island this weekend, generating a period of locally strong exchanges and enhanced showers in windward areas, particularly on the eastern end of the state.

Discussion

The easterly trade wind pattern in place over the islands this morning will persist for the remainder of the work week. This pattern will continue to generate showers and lower clouds in mainly windward and mauka areas through Friday evening. Current radar and satellite trends continue to show showers affecting upwind and inter-island channel locations this morning, particularly in the convergent low level flow to the central islands. However, this area of ​​showers is expected to decrease further in coverage this afternoon as the mix develops in the afternoon. Additionally, the latest model soundings and cross-section data show persistent relatively stable conditions on the islands through Friday, which will hamper precipitation rates and overall precipitation amounts in the region.
Otherwise, the latest forecast trends continue to show Hurricane Darby (which is about 1,100 miles east of Hilo) moving towards the islands, with remnants of Darby still expected to pass south of the Big Island on Saturday. . There are still some questions about the exact path of this approaching tropical system, but the northern periphery of the associated moisture field is modeled to primarily influence the eastern islands from Saturday through early Sunday, increasing the potential for deeper layer moisture. and heavy rainfall for windward sections of the Big Island and possibly Maui. The airmass in place in the region before the remnants of Darby is initially expected to be relatively stable with drier mid and upper levels likely limiting convection and precipitation rates. However, cross-section data shows that deeper layer moisture is rapidly spreading across the Big Island and Maui Saturday night and early Sunday in response to systems currently forecasting the closest approach. This could increase the threat of potentially heavy rain Friday night into Saturday. Trading will also become locally strong early this weekend with a wind advisory for typical windier locations in Maui County and the Big Island potentially in play depending on the exact track.
A much drier and more stable air mass will then develop across the islands on Sunday and Monday, as drier air moves across the islands from the east behind the outgoing residual tropical system.

Aviation

High pressure upstate will keep the gusty trade winds in place through tonight. Low cloud and showers will favor windy and mauka areas, with occasional MVFR cigs/vsbys possible. A few showers can occasionally drift downwind, but VFR conditions should prevail in these areas.
AIRMET Tango remains in effect for moderate low level turbulence over and downwind of all island terrain. This AIRMET will probably continue until tonight.
AIRMET Sierra remains in effect for mountain obscuration over the windward sections of most islands. Conditions are expected to improve later this morning on the smaller islands, but could continue for much of the day on the Big Island.

Marine

A high pressure system north of the region will keep cool to strong trade winds in the forecast for much of next week. Wind speeds may briefly strengthen to near gale force in typical windy waters near Maui and the Big Island.
The small craft advisory has been expanded to include most coastal Hawaiian waters east of the Kaiwi Channel, excluding the Big Island windward waters area. A slight decrease in trade wind speeds could develop by Friday morning, reducing SCA coverage to windier waters and channels typical around Maui and the Big Island.
Hurricane Darby has moved into the central Pacific basin and will continue to track west for the next few days. Darby is expected to weaken as it approaches the Hawaiian Islands, becoming a remnant low as it enters southeast offshore waters by Saturday morning. Expect increasing showers and increasingly strong winds for southern coastal and inshore waters near the Big Island as the remnants of Darby pass south of the state on Saturday.
South Shore surf heights will remain well above average throughout the weekend as two large, long southern swells pass through the area. The first of these large southern swells will continue to push surf heights above High Surf Advisory (HSA) levels throughout the evening. Surf heights will then decrease a bit from tonight into Friday, before another larger and longer period (20-22 sec) of southerly swell moves into the area from Friday evening into Sunday. Maximum surf heights along south-facing shores with this second swell will easily exceed HSA criteria (10ft faces) by Friday evening, with surf heights reaching high surf warning levels (10ft faces). 15 feet) Saturday and Sunday. The southern swell energy will gradually decrease during the first half of next week.
The surf along the east facing shores will remain high and choppy early into next week. Swells generated by Darby should add to the mix, with longer period energy beginning to appear this afternoon and peaking on Saturday. This swell will likely be highest along the east facing shores of the Big Island, where a high surf advisory may be needed for this weekend. Surf heights along the north facing shores will remain flat throughout the week.

Watchdogs/Warnings/HFO Advisories

High surf advisory until 6 p.m. HST tonight for Niihau, Kauai Leeward, Waianae Coast, Kahoolawe, Maui Leeward West, Kona, Kauai South, East Honolulu, Honolulu Metro, Ewa Plain, Molokai Southeast, Molokai Leeward South, Lanai Leeward , Lanai South , Maui Central Valley South, Kipahulu, South Maui/Upcountry, South Haleakala, Big Island South, Big Island Southeast.
Small craft advisory until 7:00 p.m. HST Sunday for Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big Island Lee Waters, Big Island Southeast Waters.
Small craft advisory until 6 p.m. HST Saturday for Kaiwi Channel, Windward Waters of Maui County, Leeward Waters of Maui County.

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Data reproduced with kind permission from NOAA.gov

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