Photo Credit: Tyler Rooke

West Side

Today: Sunny and breezy. A 20 percent chance of showers in the morning. Highs 81 to 88. East winds up to 20 mph shifting to the northeast 10 to 20 mph in the afternoon.

Tonight: Partly cloudy with a 20 percent chance of showers. Lows 70 to 76. Northeast winds 10 to 15 mph.

Saturday: Mostly sunny. A 40 percent chance of showers in the morning. Highs 79 to 88. East winds 10 to 15 mph.

South Side

Today: Sunny. Highs around 90. North winds up to 15 mph shifting to the northeast in the afternoon.

Tonight: Mostly clear. Lows 69 to 77. North winds 10 to 15 mph.

Saturday: Sunny. Highs around 89. North winds 10 to 15 mph.

North Shore

Today: Breezy. Partly sunny with chance of showers in the morning, then mostly sunny with slight chance of showers in the afternoon. Highs 80 to 85 near the shore to around 69 near 5000 feet. East winds up to 20 mph. Chance of rain 50 percent.

Tonight: Mostly cloudy. Chance of showers in the evening, then showers likely after midnight. Lows around 73 near the shore to 51 to 56 near 5000 feet. East winds 10 to 15 mph. Chance of rain 70 percent.

Saturday: Mostly cloudy with showers likely in the morning, then mostly sunny with slight chance of showers in the afternoon. Highs 79 to 84 near the shore to around 68 near 5000 feet. East winds 10 to 15 mph. Chance of rain 70 percent.

Central Maui

Today: Sunny and breezy. Highs 83 to 90. East winds 10 to 25 mph.

Tonight: Mostly clear with a 20 percent chance of showers. Lows around 71. Northeast winds 10 to 15 mph.

Saturday: Mostly sunny. A 20 percent chance of showers in the morning. Highs 81 to 89. Northeast winds 10 to 15 mph.

Upcountry

Today: Sunny. Highs 62 to 72. East winds 10 to 15 mph decreasing to up to 15 mph in the afternoon.

Tonight: Breezy. Partly cloudy with a 50 percent chance of showers. Lows around 51 at the visitor center to around 46 at the summit. East winds 10 to 20 mph.

Saturday: Sunny and breezy. A 50 percent chance of showers in the morning. Highs around 66 at the visitor center to around 70 at the summit. East winds 15 to 20 mph.

East Maui

Today: Breezy. Partly sunny with chance of showers in the morning, then mostly sunny with slight chance of showers in the afternoon. Highs 80 to 85 near the shore to around 69 near 5000 feet. East winds up to 20 mph. Chance of rain 50 percent.

Tonight: Mostly cloudy. Chance of showers in the evening, then showers likely after midnight. Lows around 73 near the shore to 51 to 56 near 5000 feet. East winds 10 to 15 mph. Chance of rain 70 percent.

Saturday: Mostly cloudy with showers likely in the morning, then mostly sunny with slight chance of showers in the afternoon. Highs 79 to 84 near the shore to around 68 near 5000 feet. East winds 10 to 15 mph. Chance of rain 70 percent.

Lanai City

Today: Sunny and breezy. Highs 75 to 83. Northeast winds up to 20 mph.

Tonight: Mostly clear. Lows 64 to 69. Northeast winds 10 to 15 mph.

Saturday: Sunny. Highs 75 to 82. East winds 10 to 15 mph.

Kaunakakai

Today: Sunny and breezy. Highs 72 to 92. Northeast winds 10 to 20 mph.

Tonight: Mostly clear. A 50 percent chance of showers after midnight. Lows 60 to 76. East winds 10 to 15 mph.

Saturday: Sunny. A 20 percent chance of showers in the morning. Highs 71 to 91. East winds around 15 mph.

Detailed Forecast

Synopsis

Gradually strengthening trade winds will become locally breezy by the weekend, delivering just a few showers, mainly to windward areas.

Discussion

Persistent troughing far N of the islands will continue to gradually diminish, allowing a pair of surface high pressure centers to consolidate over the weekend. End result will be strengthening trade winds, becoming locally breezy later today into Saturday, then persisting into the middle of next week. Atmospheric stability will remain high, so any showers arriving on the trades will be brief, and favor windward areas during nights and mornings. Moisture associated with a weak tropical disturbance passing far S of the islands may bring increased showers Sunday night and Monday, mainly to the Big Island.

Aviation

Moderate to locally breezy trades expected through the weekend. Low cigs and SHRA should be confined to windward and mauka locations. Brief MVFR conds can be expected in SHRA. VFR conds should generally prevail.
No AIRMETs currently in effect.

Marine

Moderate to locally strong winds will fill in today then persist into the weekend as a broad high develops over much of the central and eastern half of the Pacific. A Small Craft Advisory (SCA) for the typically windy waters around Maui County and the Big Island has been issued through the weekend. The high pressure will meander just north-northeast of the state through the first half of next week that may keep SCA conditions in place through this time.
Tiny surf along north facing shores will linger through today as a short period north swell fades. Mostly flat conditions will return tonight then hold through the first half of next week. Surf along east facing shores will gradually become rough and choppy today. Near seasonal average surf will return for east facing shores over the weekend and persist through the first half of next week as trades build locally and upstream. A mix of background southwest and southeast swells will produce small surf for south facing shores over the next few days. No signs of any forerunners from a new small, long period south-southwest swell at the offshore buoys early this morning. Thus, have delayed the onset to later this afternoon and evening. This new swell should refresh some small surf along south facing shores over the weekend with a gradual downtrend early next week.

HFO Watches/Warnings/Advisories

None.

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Data Courtesy of NOAA.gov