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Waianae, HI Marine Weather Forecast

Station 51212 - Barbers Point, Kalaeloa, HI (238)

August 17, 2026 6:30 pm HAST
Location: 21.323N 158.149W
Significant Wave Height: 4.9 ft
Dominant Wave Period: 13 sec
Average Period: 8.3 sec
Mean Wave Direction: S (182°)
Air Temperature: 81.5°F (27.5°C)
Water Temperature: 81.3°F (27.4°C)


Tonight - 75°F
Aug 18, 2026
8 to 12 mph ENE
Mostly Clear
Mostly clear, with a low around 75. East northeast wind 8 to 12 mph.
Tuesday - 86°F
Aug 18, 2026
7 to 10 mph ENE
Sunny
Sunny, with a high near 86. East northeast wind 7 to 10 mph.
Tuesday Night - 75°F
Aug 19, 2026
6 to 10 mph ENE
Isolated Rain Showers then Partly Cloudy
Isolated rain showers before midnight. Partly cloudy, with a low around 75. East northeast wind 6 to 10 mph. Chance of precipitation is 20%.
Wednesday - 86°F
Aug 19, 2026
2 to 6 mph ENE
Mostly Sunny then Isolated Rain Showers
Isolated rain showers after noon. Mostly sunny, with a high near 86. East northeast wind 2 to 6 mph. Chance of precipitation is 20%.
Wednesday Night - 75°F
Aug 20, 2026
7 mph ENE
Partly Cloudy then Isolated Rain Showers
Isolated rain showers after midnight. Partly cloudy, with a low around 75. East northeast wind around 7 mph. Chance of precipitation is 20%.
Thursday - 86°F
Aug 20, 2026
6 mph NE
Isolated Rain Showers
Isolated rain showers. Mostly sunny, with a high near 86. Northeast wind around 6 mph. Chance of precipitation is 20%.
Thursday Night - 76°F
Aug 21, 2026
6 mph ENE
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 76. East northeast wind around 6 mph. Chance of precipitation is 30%.
Friday - 87°F
Aug 21, 2026
0 to 5 mph SE
Scattered Rain Showers
Scattered rain showers. Partly sunny, with a high near 87. Southeast wind 0 to 5 mph. Chance of precipitation is 40%.
Friday Night - 77°F
Aug 22, 2026
2 to 6 mph E
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 77. East wind 2 to 6 mph. Chance of precipitation is 30%.
Saturday - 88°F
Aug 22, 2026
5 to 10 mph E
Scattered Rain Showers
Scattered rain showers. Partly sunny, with a high near 88. East wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night - 78°F
Aug 23, 2026
10 mph ENE
Mostly Clear
Mostly clear, with a low around 78. East northeast wind around 10 mph.
Sunday - 88°F
Aug 23, 2026
10 to 15 mph NE
Sunny
Sunny, with a high near 88. Northeast wind 10 to 15 mph, with gusts as high as 18 mph.
Sunday Night - 78°F
Aug 24, 2026
12 mph NE
Mostly Clear
Mostly clear, with a low around 78. Northeast wind around 12 mph.
Monday - 88°F
Aug 24, 2026
10 to 14 mph ENE
Sunny
Sunny, with a high near 88. East northeast wind 10 to 14 mph.

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