Swell Matrix

Area Forecast Discussion

National Weather Service Honolulu Hi

805 am hst Mon Jan 19 2026

Synopsis

Southeast low level winds will bring increasing temperatures and humidity, and light showers (mainly windward and mauka) through Tuesday. A front will move into the western end of the state Tuesday night. Increased moisture will linger for several days; possibly all the way into the weekend. Flooding risk is small but worth mentioning as we await clarity in the long range models.

Southeast low level winds will bring increasing temperatures and humidity, and light showers (mainly windward and mauka) through Tuesday. A front will move into the western end of the state Tuesday night. Increased moisture will linger for several days; possibly all the way into the weekend. Flooding risk is small but worth mentioning as we await clarity in the long range models.

Watches, Warnings, Advisories

Small Craft Advisory until 6 AM HST Tuesday for Maui County Windward Waters-Maui County Leeward Waters-Maalaea Bay-Pailolo Channel-Alenuihaha Channel-Big Island Windward Waters-Big Island Leeward Waters-Big Island Southeast Waters.

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