Is the ocean warm in Kauai?

With an average ocean temperature of 77F – 83F, Kauai's water temperature is also perfect for swimming year-round! While some beaches can get pretty crowded, you can easily enjoy a peaceful snorkeling session or find a secluded spot with miles of shoreline to settle on.



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For example, in Kauai, which is the northernmost of the major Hawaiian Islands, ocean temperatures range from 77°F to 83°F.

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While the south shore is swimmable year-round, the summer months can bring choppier waters to Kauai beaches on the south end. As a result, in the summer, you'll find the best beaches for swimming on the north end of Kauai, where you can swim in Hanalei Bay and Ke'e Beach worry-free.

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Kauai's South Shore is drier, which means more bright, warm, picture-perfect beach days.

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So overall, compared to those warm water areas of the U.S. Gulf and Florida, Hawaiian waters are warmer in the winter and cooler in the summer. As a general rule, Hawaiian waters average 77 degrees in the wintertime to 82 degrees in the summertime.

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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.

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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. No comparison really for the U.S. West Coast.

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The best time of year to visit Kauai is during off-peak seasons, between September and December or between April and June. During these times you can avoid the crowds and enjoy lower prices on accommodations and excursions. Either way, be sure to book everything far in advance!

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With an average ocean temperature of 77F – 83F, Kauai's water temperature is also perfect for swimming year-round! While some beaches can get pretty crowded, you can easily enjoy a peaceful snorkeling session or find a secluded spot with miles of shoreline to settle on.

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Lumahai is the subject of many postcards and paintings, but is also known on island as one of the most dangerous beaches for drownings and is not recommended for swimming. During the summer months the conditions at Luimahai are calmer, but still use caution. Lumahai is exposed to open ocean and strong currents.

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Bear in mind that June is also the start of the Kauai hurricane season, which lasts until around November. Chances of severe tropical storms aren't particularly high, but it's still worth considering when booking your trip.

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Maui is known for its calm waters and great beaches. Some of the beaches in Kauai aren't as swimmable as those in Maui. The water is generally rougher, the swell is larger and some places have strong currents. This is especially true on Kauai's North Shore in winter.

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Lanikai Beach, Oahu, Hawaii It's ranked as one of the most beautiful beaches in the United States and has some of the warmest water, ranging from 77 to 82 degrees. What to do: The calm, clear waters are ideal for snorkeling.

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Kauai's West Shore The West Shore of Kauai is often underrated, but it's one of the most beautiful places on Earth, in our humble opinion. The West Shore is separated from the north by the Napali Coast, which gives the west a distinct desert-like feel.

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Kauai is the winner It has a variety of views and terrain to see. Rocky coastlines, beautiful beaches, lush jungles, and mountains and valleys. There is so much to see and do.

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The north shore remains mostly untouched and is best for nature lovers and honeymooners. South shore is the best access point for visiting Waimea Canyon and is close to the airport. The north is the gateway to the world famous Napali Coast.

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