FPHW60 PHFO 211320

SFPHFO



State Forecast for Hawaii

National Weather Service Honolulu HI

320 AM HST Sat Mar 21 2026



HIZ001-003-004-006-007-009>011-015>018-022-029>050-220515-

Kauai-Oahu-Maui-Molokai-Lanai-

320 AM HST Sat Mar 21 2026



...FLOOD WATCH FOR NIIHAU KAUAI OAHU MOLOKAI LANAI KAHOOLAWE AND

MAUI...

...HIGH SURF ADVISORY FOR NIIHAU KAUAI AND OAHU...



.TODAY...Showers and isolated thunderstorms. Locally heavy

rainfall possible. Highs 76 to 81. Southwest winds around 15 mph.

.TONIGHT...Showers and isolated thunderstorms. Locally heavy

rainfall possible. Lows 66 to 71. Southwest winds around 15 mph. 

.SUNDAY...Mostly cloudy. On Kauai, showers and isolated

thunderstorms during the day. Oahu and Maui County, showers and

isolated thunderstorms during the day, then scattered showers at

night. Locally heavy rainfall possible. Highs 77 to 82. Lows

65 to 70. West winds around 15 mph. 

.MONDAY...Mostly cloudy. Leeward, scattered showers during the

day. Windward and mountains, scattered showers during the day.

Isolated showers at night. Highs 76 to 81. Lows 64 to 69.

Northeast winds around 15 mph. 

.TUESDAY...Partly cloudy. Isolated showers windward and

mountains. Highs 75 to 80. Lows 64 to 69. Northeast winds 15 to

20 mph. 

.WEDNESDAY...Partly cloudy. Isolated showers windward and

mountains. Highs 76 to 81. Lows 65 to 70. Northeast winds around

15 mph. 





$$



HIZ023-026>028-051>054-220515-

Big Island of Hawaii-

320 AM HST Sat Mar 21 2026



...FLOOD WATCH FOR THE LOWER ELEVATIONS...

...WINTER STORM WATCH FROM SATURDAY EVENING THROUGH SUNDAY AFTERNOON

FOR BIG ISLAND SUMMITS...



.TODAY...Mostly cloudy. Isolated showers and thunderstorms

windward. showers likely and isolated thunderstorms leeward.

Locally heavy rainfall possible. Highs 80 to 85. South winds

around 15 mph. 

.TONIGHT...Cloudy. Scattered showers and isolated thunderstorms

windward. showers likely and isolated thunderstorms leeward.

Locally heavy rainfall possible. Lows 69 to 74. Variable winds to

15 mph. 

.SUNDAY...Cloudy. Windward, showers and isolated thunderstorms

during the day, then showers likely at night. Leeward, showers

and isolated thunderstorms during the day, then scattered showers

at night. Locally heavy rainfall possible. Highs 78 to 83. Lows

67 to 72. Variable winds to 15 mph. 

.MONDAY...Mostly cloudy. Windward, showers likely during the day,

then scattered showers at night. Leeward, scattered showers.

Highs 77 to 82. Lows 66 to 71. North winds around 15 mph. 

.TUESDAY...Partly cloudy. Scattered showers windward. Highs 78 to

83. Lows 66 to 71. Northeast winds around 15 mph. 

.WEDNESDAY...Partly cloudy. Windward, scattered showers. Highs

78 to 83. Lows 66 to 71. North winds around 15 mph. 





$$