NWS warns of unstable weather in Hawaii, with showers and potential thunderstorms likely through the weekend. High rainfall totals expected in mountain areas and marine advisories in effect due to strong trade winds.

The National Weather Service in Honolulu forecasts increased rainfall and possible thunderstorms across Hawaii due to a wet trade wind pattern, with the heaviest showers expected over Niihau, Kauai, and Oahu.

Hawaii is preparing for wet weather with thunderstorms due to a low-pressure system. The NWS forecasts heavy rain, especially in windward mountains, and advises caution for aviation and marine activities.

Honolulu's weather is expected to change, with increased showers and potential thunderstorms from Wednesday to Friday, stronger trade winds, and a High Surf Advisory in effect until Tuesday evening.

A weather shift is expected in Honolulu with an increased chance of heavy showers and thunderstorms mid-week due to an upper-level low approaching from the north.

Oahu residents are advised to prepare for light winds, scattered showers, and possible thunderstorms as an unstable weather pattern approaches, with impacts on surf, aviation, and marine activities.

The NWS in Honolulu predicts a shift in weather, with possible thundershowers affecting Kauai and Oahu, light winds, and a moderate to large northwest swell starting Sunday.

Honolulu's weather forecast indicates light winds to continue with a return of easterly trade winds by the weekend; NWS expects scattered showers and advises caution for aviators and mariners.

The NWS forecasts a change in winds and increased rain in Honolulu due to an old frontal boundary across Hawaii, with trades returning by the weekend.

Honolulu's weather this week includes isolated showers with a trough guiding conditions, a southeasterly wind shift, and moderate trade winds returning by week's end. There's low confidence in late week shower forecasts.

Honolulu's weather is expected to be mild with moderate trade winds, transitioning to sea breezes and slightly increased showers, returning to normal trade winds by the weekend.

The forecast indicates that typical windy weather in Honolulu will be altered, with lighter winds expected through the weekend and a change early next week as a new atmospheric feature introduces a land and sea breeze regime.

Kauai reminds residents of the upcoming HHW events on October 18 and 19 for safe disposal of hazardous materials, excluding eWaste and certain other items.