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Does Hawaii have warm water beaches?

They're actually really close. For example, in Kauai, which is the northernmost of the major Hawaiian Islands, ocean temperatures range from 77°F to 83°F. On the beach resort side of Hawaii (Big) Island, ocean temperatures range between 77°F and 81°F.



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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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The Hawaiian Islands' near-shore water temperatures remain comfortable throughout the year. The average water temperature is 74° F (23.3° C), with a summer high of 80° F (26.7° C). Wave action varies dramatically between island coasts and seasons. Summer waters are typically gentle on all beaches.

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In Miami Beach, water temps average as low as 71°F and as high as 86°F. In comparison to Hawaii, Miami's water temperatures dip lower than Hawaii's in the winter, but are a bit warmer in the summer. For a look at other coastal temperatures, see this link to the NOAA data.

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Per the National Center for Cold Water Safety, temperatures below 70°F are considered “dangerous” because most people have difficulty controlling their breathing. As a reminder, Hawaii's water temperatures stay several degrees above 70°F and are warm enough for swimming and snorkeling.

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In the resort areas on the west side of the island the evenings are typically in the mid 70s to low 80s. It is very rare for the temperature to ever drop below 70 on the coast. The most popular area to stay is the Kohala Coast. This area is home to the nicest resorts, the most beautiful weather and the best beaches.

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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. Kauai tends to not be as popular as islands like Maui and Oahu so you can fully enjoy what the island offers.

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The Big Island Early in the year you might see migrating humpback whales offshore, and all year long the water is perfect for swimming, bodyboarding, and snorkeling, though as is true on most Hawaiian beaches, the surf will tend to be higher in the winter months and far gentler in summer.

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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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Risk in Hawaii Infections due to rhinovirus are most common during the fall and spring, but it is possible to get infected at any time of the year.

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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!

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August is the hottest month in Hawaii with an average temperature of 27°C (81°F) and the coldest is January at 23°C (73°F) with the most daily sunshine hours at 11 in July. The wettest month is November with an average of 124mm of rain.

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Hawaii Weather in January is Pleasant If you're interested in surfing, swimming, hiking, or taking a helicopter tour on your trip, you'll be happy to know that January offers ideal weather conditions for each of these activities.

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During the winter months the water does feel cooler because the air is cooler, however you can comfortably snorkel, snuba and dive year round in Maui. During the cooler months of December-May the average ocean temperatures range from 74-76 degrees F.

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The sediment in Hawaii's oceans is made up of volcanic rock, coral, and shells which are heavy and not easily stirred up. The sediment quickly settles on the ocean floor, keeping the water clear.

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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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Hawaii is beautiful and warm all year long, with none of the seasonal variations you might expect when you're at home on the U.S. mainland. For instance, temperatures hover between the low 80s in the winter and the high 80s in the summer — hardly a reason for seasonal wardrobe changes!

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