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Implement change in coverage areas for the High Seas Text Forecast near the Equator and International Dateline effective February 17, 2026

Hazardous Weather Conditions

High Surf Advisory until February 20, 06:00 PM HST

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

65°F

18°C

Humidity	90%
Wind Speed	Calm
Barometer	29.97 in (1014.7 mb)
Dewpoint	62°F (17°C)
Visibility	9.00 mi
Last update	20 Feb 3:53 am HST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Hilo HI

High Surf Advisory February 20, 04:26am until February 20, 06:00pm

Click here for hazard details and duration

High Surf Advisory

High Surf Advisory February 20, 04:26am until February 20, 06:00pm
NOW until 6:00pm Fri
High Surf Advisory
Overnight
Low: 63 °F
Showers
Friday
High: 74 °F
Showers
Friday Night
Low: 64 °F
Showers then
Scattered
Showers
Saturday
High: 76 °F
Heavy Rain
Saturday Night
Low: 63 °F
Heavy Rain
Sunday
High: 77 °F
Scattered
Showers then
Heavy Rain
Sunday Night
Low: 63 °F
Heavy Rain
Monday
High: 77 °F
Scattered
Showers then
Showers
Likely

Detailed Forecast

Overnight

Occasional showers. Low around 63. West wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Occasional showers. High near 74. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Friday Night

Occasional showers, mainly before midnight. Low around 64. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 76. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 63. Light southwest wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 77. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 63. Light west wind. Chance of precipitation is 30%.

Monday

Showers likely, mainly after noon. Partly sunny, with a high near 77. Calm wind becoming northeast around 6 mph. Chance of precipitation is 60%.

Monday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%.

Tuesday

Showers likely, mainly after noon. Mostly cloudy, with a high near 76. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

Tuesday Night

Showers likely. Cloudy, with a low around 63. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Wednesday

Scattered showers. Cloudy, with a high near 73. Light east northeast wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 50%.

Wednesday Night

Showers likely. Mostly cloudy, with a low around 63. East northeast wind 7 to 9 mph. Chance of precipitation is 60%.

Thursday

Scattered showers. Mostly cloudy, with a high near 73. East northeast wind around 8 mph. Chance of precipitation is 30%.