Swell Matrix

Area Forecast Discussion

National Weather Service Honolulu Hi

1109 pm hst Sat aug 15 2026

Synopsis

Hurricane Lala has moved west of the Big Island this evening and will continue moving west-northwest (to the south of the other islands) through Sunday evening. High winds, potentially flooding rains, and high surf impacts will be felt statewide. A Hurricane Warning is in effect for Big Island and a Tropical Storm Warning is in effect for the rest of the state. Trade wind weather will begin Monday and extend through next week.

Watches, Warnings, Advisories

Flood Watch through late tonight for Niihau-Kauai Leeward-Kauai Mountains-Waianae Coast-Oahu North Shore-Olomana-Central Oahu- Waianae Mountains-Kauai North-Kauai East-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain-Koolau Windward-Koolau Leeward.

High Surf Advisory until 2 PM HST this afternoon for Niihau- Olomana-Maui Windward West-Kauai East-Kauai South-Koolau Windward-Molokai Windward-Molokai Southeast-Windward Haleakala- Kipahulu-South Haleakala-Big Island Southeast-Big Island East- Big Island North.

Tropical Storm Warning for all Hawaii islands-

Flood Watch until 6 AM HST early this morning for Lanai Mauka- Kahoolawe-Maui Windward West-Maui Leeward West-Haleakala Summit- Kona-Kohala-Big Island Interior-Big Island Summits-Molokai-Lanai Windward-Lanai Leeward-Lanai South-Maui Central Valley North- Maui Central Valley South-Windward Haleakala-Kipahulu-South Maui/Upcountry-South Haleakala-Big Island South-Big Island Southeast-Big Island East-Big Island North.

Tropical Storm Warning for all Hawaiian waters-

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