Hawaii — Water Temperature Today and Throughout the Year
Discover water temperatures in Hawaii (United States), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
- Waikiki25°C
- Honolulu25°C
- Maui25°C
- Kailua-Kona25°C
- Oahu25°C
- Island of Hawaii25°C
- Kaanapali25°C
- Kapalua25°C
- Lahaina25°C
- Hauula25°C
- Haleiwa25°C
- Kailua25°C
- Kihei25°C
- Kaneohe25°C
- Kapaa24°C
- Laie24°C
- Waihee Waiehu25°C
- Wainaku25°C
- Wailua24°C
- Heeia25°C
- Hilo25°C
- Iroquois Point25°C
- Kahaluu Keauhou25°C
- Waimanalo Beach25°C
- Lanai25°C
- Kahului25°C
- Nanakuli25°C
- Anahola24°C
- Eleele25°C
- Pearl City25°C
- Waipahu25°C
- Waianae25°C
Coastal Seas and Oceans
Water Temperature and Swimming Overview
Regions and Map
- Alabama
- Alaska
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- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
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- Kentucky
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- Maine
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- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Water Temperature Trends
Hawaii, known for its tropical climate, offers consistently warm ocean water temperatures year-round. The waters surrounding the islands typically range between 75°F and 80°F (24°C to 27°C) during the winter months, making it ideal for swimming, surfing, and other water sports. In the summer, ocean temperatures can rise slightly, reaching 78°F to 82°F (26°C to 28°C), which adds to the appeal of Hawaii as a prime destination for beach activities. The warm waters are also beneficial for divers, as they support vibrant coral reefs and a variety of marine life.
The temperature of the ocean off Hawaii's shores remains relatively stable throughout the year, which is a significant characteristic of the region's maritime climate. Even in the cooler months, the water temperature rarely dips below 75°F (24°C), making it one of the more temperate coastal regions in the United States. The consistent warmth of the water allows for comfortable swimming and recreational activities, even during the winter. However, local conditions, such as currents and upwelling, can occasionally cause slight variations in water temperature, but these changes are typically minor and do not significantly affect overall water enjoyment.
In addition to being pleasant for water activities, the warm temperatures also make Hawaii's coastal waters an important environment for marine life. The consistency in ocean temperatures provides a stable habitat for tropical fish, sea turtles, and other aquatic creatures. Surfers, snorkelers, and divers often enjoy the benefit of warm water when exploring the shores of Oahu, Maui, Kauai, and the Big Island, making the Hawaiian waters a year-round destination for visitors from around the world.