Waikiki sea temperatures peak in the range 26 to 28°C (79 to 82°F) on around the 26th of September and are at their coldest on about the 13th of February, in the range 24 to 25°C (75 to 77°F). Year round warm sea temperatures at Waikiki climb to their highest in the fourth week of September.
Can you swim in the ocean in Hawaii in winter?
Pacific Ocean temperatures on Honolulu shores are warmer than those of Hilo, but both are still swim-worthy at 77 and 73 degrees, respectively. Ocean temperatures in December all around the Hawaiian islands rest comfortably at about 77 degrees.
Are the beaches in Hawaii warm?
What month is the water the warmest in Hawaii?
According to data from the National Oceanic Atmospheric Association (NOAA), the warmest water off Honolulu can be found from July to September—averaging 80 to 81 degrees Fahrenheit. However, Honolulu water temperatures drop to only 76 degrees in January, according to NOAA.
Why is the water so blue in Hawaii?
Hawaii's ocean water is nutrient deficient. This is common in tropical areas with warm surface water temperatures. A lack of nutrients means there are fewer phytoplankton and algae in Hawaii's water, which makes it more blue.