Local sea breezes will likely develop over each of the individual islands later today. VFR conditions will likely prevail elsewhere this morning. Brief periods of MVFR conditions are possible in clouds and showers along east through southeast facing sections this morning, especially on Kauai. These unstable atmospheric conditions combined with deep moisture will likely allow clouds and showers with a slight chance to develop over the far western end of the island chain through this morning. This feature is causing instability to increase across the region, especially over the western islands. An upper-level low is also developing far northwest of Kauai. Passing showers will trend back to the typical windward and mountain areas from Wednesday afternoon onward.Ī weakening frontal boundary located slightly more than 250 nm northwest of Kauai is causing the winds to be from the southeast near the western islands, while east-southeast winds are in the vicinity of Maui and the Big Island. The high pressure ridge builds back in north of the region by late Wednesday with strengthening trade winds in the breezy to locally windy range lasting into the weekend. Showers and isolated thunderstorms are possible over the northwestern islands and the Big Island in a southeast wind pattern through Wednesday. Light to moderate winds are blowing from the east to southeast direction across the Hawaiian Islands this morning as an approaching low and weakening cold front breaks down the ridge north of the islands. Recent nearshore buoy observations indicate the northwest swell coming in higher than predicted, so a High Surf Advisory has been issued for north and west facing shores of Niihau, Kauai, Oahu and Molokai, as well as north facing shores of Maui through early Wednesday morning. East winds up to 20 mph increasing to 10 to 20 mph in the afternoon. Rest Of Today: Mostly cloudy with isolated showers. Wednesday: Mostly sunny in the morning, then partly sunny with isolated showers in the afternoon. Light winds becoming northeast up to 10 mph after midnight.
Highs 78 to 83 near the shore to 57 to 63 near 5000 feet. Isolated showers in the morning, then scattered showers in the afternoon. Lows 63 to 68 near the shore to around 48 near 5000 feet. Highs 77 to 82 near the shore to 58 to 63 near 5000 feet.
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