![]() ![]() These two systems may enhance afternoon to evening sea breeze shower activity through Monday, especially over the slopes of the Big Island and Maui. Drier weather conditions are forecast from late Friday into Saturday for most areas.īy Sunday, the latest forecast guidance shows an upper level trough moving in from the north just as a low level trough passes on a westward track through the Big Island. Down sloping land breezes will tend to produce more stable conditions will decrease shower activity over the islands in the overnight to early morning hours. An upper level trough shown on both water vapor satellite imagery and in the forecast guidance will likely expand rainfall coverage of these sea breeze showers through Friday afternoon. Typically drier leeward areas will also see brief periods of rainfall. Weather wise expect clouds and showers forming over island mountain and interior sections each day due to converging sea breeze winds. Local scale land and sea breezes will develop over each island in the absence of large scale trade wind flow. Light to moderate trade winds remain in the forecast through the middle of next week. Another trough associated with a dissipating cold front will move in north of the state this weekend keeping the ridge in a weakened state through next week Wednesday. ![]() A large low pressure system far north of the Hawaiian Islands will continue to weaken the high pressure ridge north of the state this week. More stable down sloping land breezes will lead to drier trends each night with more stable conditions lasting through the early morning hours.ĭISCUSSION. This means the weather pattern will return to mountain and island interior clouds and showers from afternoon to early evening due to converging sea breeze winds. Local scale land and sea breezes will develop over each island in response to these light trade winds. A low pressure system far north of the Hawaiian Islands will continue to weaken the trade winds over the region lasting through the first half of next week. Isolated showers.Īrea Discussion for - (on/off) Help NOTE: mouseover dotted underlined text for definitionĪrea Forecast Discussion National Weather Service Honolulu HI 840 PM HST Wed Sep 21 2022 Scattered showers, mainly in the morning.įriday night.East winds 15 knots. Scattered showers after midnight.įriday.East winds 15 knots. Isolated showers in the morning, then scattered showers in the afternoon. PHZ116 Kaiwi Channel- 907 Pm Hst Wed Sep 21 2022 ![]()
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