Honolulu residents can look forward to a break from strong winds, with lighter large-scale breezes making way for land and sea breezes until Wednesday. According to the National Weather Service's Honolulu forecast, stable and dry conditions are expected to continue with some cloud coverage and a few light showers in the afternoons, mainly hitting the island interior and mountain areas. The NWS update indicates a slight uptick in showers from Thursday into Friday as a weak cold front stalls over the islands.
The NWS report describes the current satellite imagery as "fairly stable looking," with stable clouds near the islands and some cirrus clouds coming from the north. This change in the weather pattern will result in, lighter winds for the next couple of days and land and sea breezes spreading across the islands. The upper-level subtropical ridge axis will remain south of the state, maintaining stable weather conditions through Wednesday.
From Thursday onwards, models are predicting a shallow cold front to edge into the western islands, which will lead to more widespread showers and breezy trade winds. The cold front is expected to stall near Maui by Friday morning, promising a period of enhanced showers, particularly on the windward and mountain slopes. By Friday afternoon, remnants of the front are anticipated to dissipate, replaced by unstable cloud bands fueled by strengthening easterly trade winds, possibly extending into the following weekend.
In terms of aviation, light to locally moderate trades will weaken, making room for land and sea breeze development which, can lead to isolated showers favoring the interior and mountain regions, according to the NWS forecast. While mostly VFR (Visual Flight Rules) conditions will prevail, brief MVFR (Marginal Visual Flight Rules) conditions could occur in showers. The current update also notes that no AIRMETs (Airmen's Meteorological Information) are in effect at this time.
Marine conditions, as reported by the NWS, suggest a decline in the current northwest swell. A High Surf Advisory remains in effect for north and west-facing shores of the smaller islands until noon today, though surf should drop below advisory levels by the afternoon. A series of northwest swells are lined up for this week, potentially peaking from Wednesday into Thursday. There's an uptick in surf along south-facing shores expected at the start of the week due to a series of southwest pulses.
Fire weather concerns remain minimal through Wednesday with winds staying below critical thresholds, though relative humidity levels may briefly reach critical levels over drier leeward areas. The forecast suggests a decrease in fire weather risk as the cold front approaches, likely increasing moisture and precipitation at the end of the week.
