Hawaii County weather forecast for August 06, 2021

0


Salvation

Today: Showers, mainly before noon. High near 82. Wind light and variable becoming northeast 5 to 10 mph in the afternoon. The probability of precipitation is 80%. Further precipitation amounts of less than a tenth of an inch are possible.

This evening: Showers. Low around 69. Wind northwest 3 to 6 mph. The probability of precipitation is 80%. Further precipitation amounts of less than a tenth of an inch are possible.

On Saturday: Showers, mainly before noon. High near 81. Light northwest wind becoming northeast 5 to 10 mph in the morning. The probability of precipitation is 80%. Further precipitation amounts of less than a tenth of an inch are possible.

Kona

Today: Scattered showers, mainly in the afternoon. Increasing cloud, with a high near 81. Light and variable wind becoming west-southwest 5 to 10 mph. The probability of precipitation is 30%. Further precipitation amounts of less than a tenth of an inch are possible.

This evening: Scattered showers, mainly before 11pm. Rather cloudy, with a low around 69. Light and variable wind. The probability of precipitation is 30%. Further precipitation amounts of less than a tenth of an inch are possible.

ARTICLE CONTINUES BELOW AD

On Saturday: Isolated showers. Increasing cloud, with a maximum near 81. Wind calm becoming west-southwest 5 to 9 mph in the afternoon. The probability of precipitation is 20%.

Waimea

ARTICLE CONTINUES BELOW AD

Today: Scattered showers, mainly before noon. Mostly sunny, with a high near 74. Windy, with a northeast wind 20 to 26 mph, gusting up to 38 mph. The probability of precipitation is 30%. Further precipitation amounts of less than a tenth of an inch are possible.

This evening: Scattered showers. Mostly cloudy, with a low of around 61. Windy, with an east-northeast wind of 20 to 23 mph, gusting up to 32 mph. The probability of precipitation is 40%. New amounts of precipitation can be anywhere from a tenth to a quarter of an inch.

On Saturday: Scattered showers before noon. Mainly sunny, with a high near 74. Windy, with a northeast wind of 20 to 23 mph, gusting up to 32 mph. The probability of precipitation is 30%. Further precipitation amounts of less than a tenth of an inch are possible.

Kohala

ARTICLE CONTINUES BELOW AD

Today: Showers likely, mainly before noon. Mainly cloudy, with a high near 69. Windy, with an easterly northeasterly wind of 22 to 25 mph, gusting up to 36 mph. The probability of precipitation is 70%. Further precipitation amounts of less than a tenth of an inch are possible.

This evening: Showers. Low around 58. Windy, with an easterly wind of 21-26 mph, gusting up to 38 mph. The probability of precipitation is 80%. Further precipitation amounts of less than a tenth of an inch are possible.

On Saturday: Showers likely, mainly before noon. Mainly cloudy, with a high near 69. Windy wind, with an easterly northeasterly wind of about 22 mph, gusting up to 31 mph. The probability of precipitation is 70%. Further precipitation amounts of less than a tenth of an inch are possible.

Big South Island

Today: Isolated showers before noon. Mainly sunny, with a high near 85. Windy, with an easterly wind 23-28 mph, gusting up to 36 mph. The probability of precipitation is 20%.

This evening: Isolated showers. Partly cloudy, with a low of around 74. Windy, with an easterly northeasterly wind of 22-26 mph, gusting up to 34 mph. The probability of precipitation is 20%.

On Saturday: Isolated showers before noon. Mainly sunny, with a high near 84. Windy, with an easterly wind of 21 to 25 mph, gusting up to 32 mph. The probability of precipitation is 20%.

Puna

Today: Showers, mainly before noon. High near 77. Windy, with a northeast wind 9-16 mph, gusting up to 22 mph. The probability of precipitation is 80%. New amounts of precipitation can be anywhere from a tenth to a quarter of an inch.

This evening: Showers. Weak around 67. North wind 9 to 13 mph. The probability of precipitation is 80%. New amounts of precipitation can be anywhere from a tenth to a quarter of an inch.

On Saturday: Showers, mainly before noon. High near 77. Windy, with a northeast wind 10-16 mph, gusting up to 22 mph. The probability of precipitation is 80%. New amounts of precipitation can be anywhere from a tenth to a quarter of an inch.

Waikoloa

Today: Sunny, with a high near 85. Windy, with an easterly northeast wind 9-14 mph increasing to 21-26 mph in the morning. Winds could be blowing up to 38 mph.

This evening: Clear, with a low around 68. Windy, with an easterly wind of 13-23 mph, gusting up to 32 mph.

On Saturday: Sunny, with a high near 85. Windy, with an easterly northeasterly wind of 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could be blowing up to 34 mph.

Synopsis

A strong high pressure area far north of the Hawaiian Islands will maintain moderate to windy trade winds over the area through Saturday. Low elevation troughs will also keep brief transient showers in the forecast, favoring windy areas and mountains through Saturday. The upper center will drift further northeast on Sunday, easing the trade wind speed a bit until early next week with a decrease in the downpour coverage in the forecast. Upward trends in showers are likely by the middle of next week.

Discussion

Satellite imagery this morning continues to show a wide swath of unstable cloud east of islands drifting west across the state. Local radar imagery shows scattered showers with numerous showers developing in these cloud bands as they enter each island through the trade winds. The highest rainfall cover occurs over windy areas and mountains, with additional showers developing along island cloud plumes over coastal waters just west of the island mountains.
A strong high pressure area far north of the islands will keep moderate to windy trade winds in the forecast through Saturday. These high wind speeds and elevation troughs will keep transient showers in the forecast, favoring windward areas and mountains, with only a few showers possible over drier downwind areas. The highest risk of downpours will develop from night to early morning.
The upper center will drift further northeast away from the islands on Sunday and Monday, reducing the speed of the trade winds in the region. More stable conditions aloft will also lead to a downward trend in showers on Sunday and Monday.
Long-term model directions continue to show low-level disturbance with abundant moisture moving through the islands from mid to late next week. This deeper humidity and instability is associated with the remnants of a dissipated tropical cyclone. Expect increased precipitation spreading east to west from late Tuesday as this unstable air mass slowly drifts westward across the island chain. Arrival time may vary a bit for each island.

Aviation

The windy easterly trade winds will persist until the weekend. As a result, AIRMET Tango remains in place for low-level mechanical turbulence downstream of mountains. Although VFR conditions prevail in most areas, CIGS / VSBYS MVFRs are possible in and around transient showers (best chance from night to morning for windward / mauka locations).
AIRMET Sierra for Tempo Darkening of Mountains over Windward Areas will remain in effect until today morning from Oahu to Big Island. A gradual improvement is expected at the end of the morning and in the afternoon.

Marine

High pressure in the upstate will keep moderate to strong trading in place throughout the weekend, although deals are expected to decline slightly on Sunday. A Small Craft Advisory (SCA) is now in effect from the easterly leeward waters of Oahu, with the exception of the windward waters of Big Island until 6 a.m. on Saturday. The SCA continues for the generally windy waters around Maui and the Big Island until 6 a.m. Sunday, and will likely need to be extended through the remainder of the weekend.
Surfing along the east-facing shores will remain near summer average throughout the weekend. Surf on the east coast will then gradually decline to slightly below normal levels by the middle to the end of next week.
Small southern background swells will keep surfing below seasonal levels through Monday. Another long-lived southerly swell is expected to arrive Monday evening, with waves approaching the summer average from Tuesday through the end of next week.
Expect near-flat conditions along most of the north-facing coasts through Monday. A new long-lived west-northwest swell is expected to arrive on Monday evening and provide a noticeable boost to surfing on the north coast from Tuesday to Thursday.

HFO Watches / Warnings / Notices

Small Craft Advisory until 6 a.m. HST Sunday for Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Leeward Waters of Big Island, Southeast Waters of Big Island.
Small Craft Advisory until 6:00 a.m. HST Saturday for Oahu Leeward Waters, Kaiwi Channel, Maui County Windward Waters, Maui County Leeward Waters.

Big Island Now Weather is brought to you by Blue Hawaiian Helicopters.

Check out their Big Island helicopter tours today!

Data courtesy of NOAA.gov


Share.

Leave A Reply