As a general rule, Hawaiian waters average 77 degrees in the wintertime to 82 degrees in the summertime. Now, compared to the U.S. West Coast, Hawaiian waters are definitely much warmer (10-20 degrees warmer) than the waters off Southern California.
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Is the ocean in Hawaii warm?
As a reminder, Hawaii’s water temperatures stay several degrees above 70°F and are warm enough for swimming and snorkeling. The National Center for Cold Water Safety also provides some useful water temperature reference points: 85F(29.4C) Water feels pleasantly cool rather than warm.
What temperature is the ocean around Hawaii?
At Honolulu on Oahu, the ocean stays as warm as a heated swimming pool all year long. Ocean temperatures do differ by a few degrees throughout the Hawaiian Islands, though. The water off Honolulu, for instance, is typically 5 °F (3 °C) warmer than at Hilo on the Big Island.
Average Ocean Temperatures for Hawaii.
| Honolulu | Hilo | |
|---|---|---|
| Annual | 78 | 73 |
Can you swim in the ocean in Hawaii?
Certain ocean conditions can make Hawaii’s beaches hazardous for swimming — namely high surf, dangerous shorebreaks and strong currents. These conditions vary depending on season and location, but some spots are consistently hazardous.It is not recommended to swim at a beach that has no lifeguard tower.
Why are Hawaii waters warm?
Using two other satellites that can sense ocean currents, they confirmed that a warm stream of water was indeed flowing back to Hawaii from Asia.Because the current is warmer than the surrounding atmosphere, the air above the water convects and forms clouds.
Can you swim in Hawaii in winter?
Water temperatures are around 74 degrees so swimming is a year round activity here in Hawaii. If you’re looking into boating, snorkeling, surfing or any other Hawaii activity this winter, be sure to book as soon as possible!
Why is Hawaii water so clear?
With lots of coral reefs the waters near the beach are protected from stronger currents.The natural currents continually bring a fresh supply of ocean water to the island. Warm surface water in tropical areas have low nutrient concentrations.
Can you swim in Hawaii in January?
Even though January is one of Hawaii’s cooler months, the ocean temperatures are still warm enough to allow you to swim comfortably. You can expect the ocean temperatures to reach around 72 to 76 degrees F, making the water just slightly cooler than the outside temperatures at the peak of the day.
Can you swim in Hawaii in February?
Hawaii’s proximity to the equator keeps the weather warm year-round. Even in February, the weather is pleasantly warm at the beaches with average daytime high temperatures ranging from about 78 to 82 degrees Fahrenheit.You can swim in the ocean in Hawaii in February even though it is one of the cooler months.
Are there sharks in Hawaii?
There are about forty species of sharks that occur in Hawaiian waters, ranging in size from the deep-water pygmy shark (about 8 inches) to the whale shark (up to 50 feet or more). About eight species are somewhat common in nearshore waters.
Is Honolulu safe at night?
Is Honolulu Safe at Night? Honolulu is safe at night, but you must stick to areas that have a lot of people around, including tourist areas to avoid getting yourself into any sort of trouble. Waikiki is considered to be safe, if you’re on your own or with a group of people.
Why is Hawaii so expensive?
So, why the high cost? The high cost of living in Hawaii has many reasons, but the short answer is the fact that we’re surrounded by water. Nearly everything we consume has to be shipped here or flown. Hawaii is also a desirable place for the rich to buy property, which continues to drive up housing costs.
What should I avoid in Hawaii?
Things you should never do in Hawaii
- Don’t touch the turtles in Hawaii.
- Don’t touch the dolphins and monk seals.
- Don’t touch the coral in Hawaii.
- Don’t wear sunscreen that isn’t reef-safe.
- Don’t call everyone “Hawaiian” in Hawaii.
- Don’t underestimate the power of the sun in Hawaii.
- Don’t skip the car rental in Hawaii.
Is Hawaii hotter than Florida?
Hawaiian summers typically last from May to October, with an average high of 85 F near sea level. In the winter months of November to April, the average high is 78 F, with temperatures in both seasons about 10 degrees lower at night.In Florida, winter temperatures are much cooler in the state’s northern sections.
Is Hawaii water clear?
While it’s not as crystal clear as the waters of the Caribbean, it’s still very tropical in nature and quite pretty. The water turns to a darker blue as you head into deeper waters. Hawaiian beaches are remarkably clean and maintenance keeps them in great conditions.
Do you need wetsuit in Hawaii?
Even though the waters are warm, you still need a wetsuit to scuba dive in Hawaii.A 3mm thickness is just right for Hawaiian waters. Remember, your wetsuit actually provides more bouncy as it gets thicker, so keep that in mind when putting your weight belt together.
Is Hawaii too cold in December?
Hawaii Weather in December
A typical December day in Hawaii sees temperatures sitting in the low 80s. December is one of the best times of the year to see poinsettias in their natural habitat. The evenings can get a little chilly, and it is not uncommon to see the temperatures dip into the upper 60s.
Are there jellyfish in Hawaii?
Jellyfish Info
The most common type of jellyfish in Hawaii is the Carybdea alata and Carybdea rastonii, also known as box jellyfish because of its squared body. The box jellyfish is most commonly found on Hawaii’s leeward (west) and south shores. Their arrival on Hawaii’s beaches is quite predictable.
Is Hawaii still warm in winter?
There are really only two seasons in Hawaii: summer (kau) from May to October and winter (hooilo) from November to April. The average daytime summer temperature at sea level is 85° F (29.4° C), while the average daytime winter temperature is 78° (25.6° C).
Is ocean water dirty?
According to the Centers for Disease Control and Prevention , ocean water can be contaminated with animal waste, sewage spills, stormwater runoff, fecal matter, and germs from the rectal areas of swimmers.
What is the hottest month in Honolulu?
August
The hottest month of the year in Honolulu is August, with an average high of 87°F and low of 76°F. The cool season lasts for 3.6 months, from December 13 to April 1, with an average daily high temperature below 81°F.
