Photo Credit: James Grenz

Hilo

Today: Mostly cloudy. Showers likely in the morning, then scattered showers in the afternoon. Highs 83 to 89 near the shore to around 74 at 4000 feet. Northeast winds up to 15 mph. Chance of rain 70 percent.

Tonight: Mostly cloudy with showers likely. Lows 68 to 75 near the shore to around 57 at 4000 feet. Northwest winds up to 15 mph. Chance of rain 70 percent.

Saturday: Mostly cloudy. Showers likely in the morning, then scattered showers in the afternoon. Highs 82 to 88 near the shore to around 73 at 4000 feet. North winds up to 15 mph increasing to 10 to 15 mph in the afternoon. Chance of rain 70 percent.

Kona

Today: Mostly sunny in the morning, then mostly cloudy with scattered showers in the afternoon. Highs 82 to 87 near the shore to around 72 near 5000 feet. North winds up to 10 mph shifting to the southwest in the afternoon. Chance of rain 50 percent.

Tonight: Partly cloudy. Scattered showers in the evening. Lows 70 to 75 near the shore to around 56 near 5000 feet. Light winds. Chance of rain 40 percent.

Saturday: Mostly sunny in the morning, then mostly cloudy with scattered showers in the afternoon. Highs 83 to 88 near the shore to around 72 near 5000 feet. Southwest winds up to 10 mph. Chance of rain 50 percent.

Waimea

Today: Mostly cloudy. Breezy. Scattered showers in the morning, then isolated showers in the afternoon. Highs 72 to 85. East winds up to 20 mph increasing to 10 to 20 mph in the afternoon. Chance of rain 50 percent.

Tonight: Breezy. Mostly cloudy with scattered showers. Lows around 70 near the shore to 58 to 64 near 3000 feet. East winds 10 to 20 mph. Chance of rain 50 percent.

Saturday: Mostly cloudy. Breezy. Scattered showers in the morning, then isolated showers in the afternoon. Highs 71 to 84. Northeast winds up to 20 mph. Chance of rain 50 percent.

Kohala

Today: Mostly cloudy. Breezy. Scattered showers in the morning, then isolated showers in the afternoon. Highs 72 to 85. East winds up to 20 mph increasing to 10 to 20 mph in the afternoon. Chance of rain 50 percent.

Tonight: Breezy. Mostly cloudy with scattered showers. Lows around 70 near the shore to 58 to 64 near 3000 feet. East winds 10 to 20 mph. Chance of rain 50 percent.

Saturday: Mostly cloudy. Breezy. Scattered showers in the morning, then isolated showers in the afternoon. Highs 71 to 84. Northeast winds up to 20 mph. Chance of rain 50 percent.

South Big Island

Today: Mostly sunny in the morning, then partly sunny with isolated showers in the afternoon. Highs around 87 near the shore to around 77 near 5000 feet. East winds up to 15 mph. Chance of rain 20 percent.

Tonight: Partly cloudy. Lows around 71 near the shore to around 55 near 5000 feet. Northeast winds up to 15 mph shifting to the northwest after midnight.

Saturday: Mostly sunny in the morning, then partly sunny with isolated showers in the afternoon. Highs around 86 near the shore to around 76 near 5000 feet. Southwest winds up to 10 mph. Chance of rain 20 percent.

Puna

Today: Mostly cloudy. Showers likely in the morning, then scattered showers in the afternoon. Highs 83 to 89 near the shore to around 74 at 4000 feet. Northeast winds up to 15 mph. Chance of rain 70 percent.

Tonight: Mostly cloudy with showers likely. Lows 68 to 75 near the shore to around 57 at 4000 feet. Northwest winds up to 15 mph. Chance of rain 70 percent.

Saturday: Mostly cloudy. Showers likely in the morning, then scattered showers in the afternoon. Highs 82 to 88 near the shore to around 73 at 4000 feet. North winds up to 15 mph increasing to 10 to 15 mph in the afternoon. Chance of rain 70 percent.

Waikoloa

Today: Mostly sunny in the morning then becoming partly sunny. Breezy. Highs 83 to 88 near the shore to 69 to 76 above 4000 feet. Southeast winds up to 20 mph shifting to the northeast in the afternoon.

Tonight: Partly cloudy. Breezy. Lows around 74 near the shore to 53 to 61 above 4000 feet. Southeast winds up to 20 mph.

Saturday: Mostly sunny in the morning then becoming partly sunny. Breezy. Highs 84 to 89 near the shore to 70 to 77 above 4000 feet. Northeast winds up to 25 mph.

Detailed Forecast

Synopsis

Breezy trade wind conditions will persist through Saturday with clouds and showers favoring windward and mauka locations. The latest forecast from the Central Pacific Hurricane Center depicts Tropical Storm Linda becoming a post-tropical remnant low this morning, then approaching and moving through the area from east to west Sunday through Monday. Impacts could include heavy rainfall and strong winds, especially if the remnant low moves through or south of any of the islands. A return to a more typical trade wind pattern is expected Tuesday through midweek.

Discussion

A mostly dry and stable trade wind pattern is anticipated through Saturday with clouds and showers favoring windward and mauka locations (best shower chances overnight through the morning periods). Breezy easterly trades will hold today, then back to the north over the eastern end of the state and northeast for the western end Saturday through Saturday night as the remnant low associated with former Hurricane Linda approaches from the east.
The latest forecast from the Central Pacific Hurricane Center has the remnant low over or around the eastern end of the state Sunday, then the western end Sunday night through Monday. As stated above, impacts associated with this feature will highly depend on the track as it moves through. If the low passes the islands to the north, expect lighter winds and limited rainfall accumulations. A track through or south of any of the islands would result in a wetter and windier pattern. Flash flooding and damaging winds can’t be ruled out if this latter scenario were to unfold. Confidence in the details will continue to increase as we head into the weekend.
A return to a more typical trade wind pattern is expected Tuesday through midweek as the remnant low continues westward and away from the area.

Aviation

Moderate to locally breezy trade winds under a high pressure ridge aloft will keep a typical trade wind weather pattern across the region into Saturday. Mostly VFR conditions will prevail over all islands. Brief periods of showers are forecast mainly along windward and mountain slopes with isolated MVFR conditions possible. The Kona (western) slopes of the Big Island will also see afternoon to early evening clouds and showers.
AIRMET Tango in effect for low level moderate turbulence due to breezy trades. Moderate turbulence over and south through west of all island mountains below 080.

Marine

High pressure far north of area will generate moderate to locally strong trade winds through tonight. A Small Craft Advisory remains in effect for the typically windy zones around Maui County and the Big Island until 6 AM HST Saturday. The wind and wave forecast for this weekend will highly depend on the track of the remnants of Tropical Cyclone Linda as they pass just north of the islands.
The current south swell will continue to slowly decline over the next couple of days. A series of small, moderate-period south swells will prevent surf from going flat into early next week.
The easterly swell from Linda will maintain moderate surf along east facing shores through the weekend. Surf heights may approach advisory levels for the eastern half of the island chain late Saturday and Sunday, before reaching the western half Sunday through Sunday night. There is still much uncertainty whether large wind waves will develop as the remnants of Linda approach the island chain due to potential changes in its track.

HFO Watches/Warnings/Advisories

Small Craft Advisory until 6 AM HST Saturday for Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big Island Leeward Waters, Big Island Southeast Waters.

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Data Courtesy of NOAA.gov