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Hanamaulu Bay, HI Marine Weather Forecast

Station NWWH1 - 1611400 - Nawiliwili, HI

March 20, 2026 8:00 pm HAST
Location: 21.954N 159.353W
Wind Direction: SSE (160°)
Wind Speed: 6.0 knots
Wind Gust: 11.1 knots
Atmospheric Pressure: 29.75 in (1007.5 mb)
Pressure Tendency: +0.03 in (+1.1 mb)
Air Temperature: 74.7°F (23.7°C)
Water Temperature: 76.6°F (24.8°C)


Tonight - 71°F
Mar 21, 2026
7 to 12 mph SSW
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 71. South southwest wind 7 to 12 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Saturday - 78°F
Mar 21, 2026
10 to 15 mph SW
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night - 70°F
Mar 22, 2026
7 to 13 mph SW
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 70. Southwest wind 7 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday - 78°F
Mar 22, 2026
3 to 7 mph W
Showers And Thunderstorms then Isolated Showers And Thunderstorms
Showers and thunderstorms before 8am, then isolated showers and thunderstorms. Some of the storms could produce heavy rain. Partly sunny, with a high near 78. West wind 3 to 7 mph. Chance of precipitation is 90%.
Sunday Night - 68°F
Mar 23, 2026
6 to 13 mph NNE
Mostly Cloudy
Mostly cloudy, with a low around 68. North northeast wind 6 to 13 mph. New rainfall amounts less than a tenth of an inch possible.
Monday - 76°F
Mar 23, 2026
13 to 16 mph NE
Partly Sunny
Partly sunny, with a high near 76. Northeast wind 13 to 16 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
Monday Night - 68°F
Mar 24, 2026
16 mph NE
Partly Cloudy
Partly cloudy, with a low around 68. Northeast wind around 16 mph, with gusts as high as 23 mph.
Tuesday - 75°F
Mar 24, 2026
14 to 17 mph NE
Mostly Sunny
Mostly sunny, with a high near 75. Northeast wind 14 to 17 mph, with gusts as high as 24 mph.
Tuesday Night - 68°F
Mar 25, 2026
17 mph NE
Mostly Cloudy
Mostly cloudy, with a low around 68. Northeast wind around 17 mph, with gusts as high as 24 mph.
Wednesday - 76°F
Mar 25, 2026
15 mph NE
Mostly Sunny
Mostly sunny, with a high near 76. Northeast wind around 15 mph, with gusts as high as 21 mph.
Wednesday Night - 68°F
Mar 26, 2026
10 to 14 mph NE
Partly Cloudy
Partly cloudy, with a low around 68. Northeast wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday - 76°F
Mar 26, 2026
12 mph ENE
Mostly Sunny
Mostly sunny, with a high near 76. East northeast wind around 12 mph.
Thursday Night - 68°F
Mar 27, 2026
5 to 9 mph NE
Mostly Cloudy
Mostly cloudy, with a low around 68. Northeast wind 5 to 9 mph.
Friday - 76°F
Mar 27, 2026
5 to 8 mph NE
Partly Sunny
Partly sunny, with a high near 76. Northeast wind 5 to 8 mph.

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