HONOLULU, Hawaii (HawaiiNewsNow) - Light to moderate trade winds will hold in place through Monday, with passing showers favoring windward and mauka areas, and a stray shower reaching leeward areas from time to time. A sea breeze and land breeze pattern should take hold on Tuesday as the trades become disrupted due to an approaching cold front. This cold front is forecast to bring an increase in showers Wednesday through Thursday as it moves into and gradually dissipated across the islands. A couple new fronts may approach or move into the islands late in the week and next weekend, potentially bringing some periods of unsettled weather.
The large north swell that peaked well above predicted and prompted the High Surf Warning today is holding enough to keep the warning going through the overnight hours for exposed northern shores of the Big Island and Maui County. The High Surf Advisory remains in place for exposed northern shores of Oahu and Kauai where the swell is slightly smaller. The next long-period swell in the series will arrive out during the day Monday, peak Monday night/Tuesday, then slowly lower through Wednesday. Surf could briefly dip below advisory levels by Wednesday before the next large north-northwest swell (330-340 deg) arrives Wednesday night. Guidance shows this source peaking late Thursday/Thursday night around warning levels. After easing on Friday, another warning-level northwest swell (320 deg) is possible next weekend.