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Is the water warm in Kauai?

With an average ocean temperature of 77F – 83F, Kauai's water temperature is also perfect for swimming year-round!



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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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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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Kauai South Shore You'll find tons of incredible beaches, mouthwatering Hawaiian cuisine, stunning wildlife, and exciting shopping opportunities. Whether you are interested in outdoor sports, arts and cultural activities, or simply getting to know the locals, you can really find it all on the South Shore of Kauai.

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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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Anini Beach has one of the widest and longest fringing reefs in Hawaii so the waters stay calm, making it a great beach on Kauai for swimming. Walk the long beach, read a book under the shade trees, and explore the reef. This is a nice beach to visit.

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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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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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Kauai Temperatures With temperatures ranging from a cool 65F at night to a pleasant 80F – 85F in the daytime, Kauai is the perfect spot to feel comfortable and enjoy some fun in the sun. Moreover, if you're looking for some reliable temperatures, unlike other areas with certain cold seasons, you won't be disappointed.

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Whether you want to get some extra Vitamin D or surf with the locals, these are the best Hawaiian beaches to keep you warm during the winter.
  • Waimea Bay, Oahu. ...
  • Yokohama Bay, Oahu. ...
  • Kalapaki Beach, Kauai. ...
  • Kehana Beach, Big Island. ...
  • Ho'okipa Beach Park, Maui. ...
  • Lanikai Beach, Oahu. ...
  • Punaluu Beach, Big Island.


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Summer is the best time to take a dip in the warm Hawaiian waters. The ocean temperature hovers around 82°, and the wind and surf are reliably low. Visitors of any experience level can enjoy snorkeling in the clear, calm summer sea.

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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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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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5 Reasons to Choose Kaua?i over the Big Island: Breathtaking scenery: Kaua?i is known for its stunning natural scenery, including lush greenery, towering waterfalls, and stunning beaches.

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