Station 51213 - Kaumalapau Southwest, Lanai, HI (239)
May 12, 2026 6:56 am HASTLocation: 20.75N 157.002W
Significant Wave Height: 2.6 ft
Dominant Wave Period: 13 sec
Average Period: 6.3 sec
Mean Wave Direction: S (182°)
Water Temperature: 78.4°F (25.8°C)
Today - 78°F
May 12, 2026
16 to 23 mph E
Sunny
Sunny, with a high near 78. East wind 16 to 23 mph, with gusts as high as 30 mph.
Tonight - 73°F
May 13, 2026
10 to 16 mph ENE
Mostly Clear
Mostly clear, with a low around 73. East northeast wind 10 to 16 mph, with gusts as high as 21 mph.
Wednesday - 78°F
May 13, 2026
10 to 16 mph ENE
Sunny
Sunny, with a high near 78. East northeast wind 10 to 16 mph, with gusts as high as 21 mph.
Wednesday Night - 73°F
May 14, 2026
9 to 14 mph ENE
Mostly Clear
Mostly clear, with a low around 73. East northeast wind 9 to 14 mph.
Thursday - 78°F
May 14, 2026
9 to 15 mph ENE
Sunny
Sunny, with a high near 78. East northeast wind 9 to 15 mph, with gusts as high as 18 mph.
Thursday Night - 73°F
May 15, 2026
14 mph ENE
Mostly Clear
Mostly clear, with a low around 73. East northeast wind around 14 mph.
Friday - 78°F
May 15, 2026
13 to 17 mph E
Sunny
Sunny, with a high near 78. East wind 13 to 17 mph, with gusts as high as 22 mph.
Friday Night - 74°F
May 16, 2026
9 to 15 mph ENE
Mostly Clear
Mostly clear, with a low around 74. East northeast wind 9 to 15 mph, with gusts as high as 18 mph.
Saturday - 79°F
May 16, 2026
10 to 15 mph E
Mostly Sunny then Isolated Rain Showers
Isolated rain showers after noon. Mostly sunny, with a high near 79. East wind 10 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Saturday Night - 74°F
May 17, 2026
7 to 13 mph E
Mostly Clear
Mostly clear, with a low around 74. East wind 7 to 13 mph.
Sunday - 79°F
May 17, 2026
7 to 18 mph ENE
Sunny
Sunny, with a high near 79. East northeast wind 7 to 18 mph, with gusts as high as 23 mph.
Sunday Night - 75°F
May 18, 2026
12 to 18 mph ENE
Mostly Clear
Mostly clear, with a low around 75. East northeast wind 12 to 18 mph, with gusts as high as 23 mph.
Monday - 79°F
May 18, 2026
12 to 17 mph ENE
Sunny
Sunny, with a high near 79. East northeast wind 12 to 17 mph, with gusts as high as 22 mph.
Monday Night - 74°F
May 19, 2026
12 to 16 mph ENE
Mostly Clear
Mostly clear, with a low around 74. East northeast wind 12 to 16 mph, with gusts as high as 21 mph.