Hanapepe — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Hanapepe (Hawaii, United States). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Hanapepe help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Hanapepe in the Pacific Ocean today is 27°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Hanapepe has risen over the last week and month. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Hanapepe will be 27.2°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| AUG 4 | 27.0°C | 26.8°C | |
| AUG 5 | 27.0°C | 27.0°C | |
| AUG 6 | 26.9°C | 27.3°C | |
| AUG 7 | 27.0°C | 27.0°C | |
| AUG 8 | 27.0°C | 27.0°C | |
| AUG 9 | 27.0°C | 27.0°C | |
| AUG 10 | 27.0°C | 27.0°C | |
| AUG 11 | 27.1°C | 26.8°C | |
| AUG 12 | 27.0°C | 27.3°C | 27.0°C |
| AUG 13 | 27.3°C | 27.0°C | |
| AUG 14 | 27.0°C | 27.1°C | |
| AUG 15 | 27.3°C | 27.1°C | |
| AUG 16 | 27.8°C | 27.1°C | |
| AUG 17 | 27.8°C | 27.2°C | |
| AUG 18 | 27.3°C | 27.2°C | |
| AUG 19 | 27.5°C | 27.2°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Hanapepe sits on Kauai’s southern shore and enjoys the warm Pacific waters typical of Hawaii. Sea temperatures there are comfortable year-round, generally ranging from about 24°C in the coolest winter months to around 28–29°C at the height of summer. Seasonal shifts are modest: winter (December–February) waters average near 24–25°C, spring and autumn months trend around 25–27°C, and late spring into summer (May–September) can reach 27–29°C. Local bays and inlets warm slightly more than exposed coasts, while windward exposures may feel a degree cooler. Overall, the ocean in this part of Kauai stays within a narrow, pleasantly warm band that suits most visitors without the need for heavy thermal protection.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 23°C | 25°C | 26°C |
| February | 23°C | 25°C | 26°C |
| March | 22°C | 25°C | 26°C |
| April | 23°C | 25°C | 27°C |
| May | 23°C | 26°C | 28°C |
| June | 24°C | 26°C | 28°C |
| July | 25°C | 27°C | 28°C |
| August | 25°C | 27°C | 28°C |
| September | 25°C | 28°C | 29°C |
| October | 25°C | 28°C | 29°C |
| November | 25°C | 26°C | 28°C |
| December | 23°C | 25°C | 27°C |
* Click on a month to view detailed water temperature data.
Hanapepe: Weather Forecast
August 13
August 14
August 15
August 16
Location, Beaches & Local Information
Nearby Beaches & Facilities
Salt Pond Beach Park
Glass Beach
Wahi-Awa Beach
Pakala Beach
Palama Beach
Waimea Beach
Lawai Kai Beach
Swimming Conditions
Swimming and beach recreation near Hanapepe are appealing for a relaxed coastal holiday, with sheltered spots offering calm, swimmable water in calmer seasons and more open beaches producing surf for experienced swimmers and bodyboarders. Snorkeling is rewarding in protected coves when the water is clear and calmer in summer; visibility and safety diminish during winter surf and after heavy rain, when currents and shore break can strengthen. Facilities and lifeguard coverage are variable, so it’s wise to choose designated beaches for family swimming and to heed local advisories. Lightweight swimwear or a rashguard is usually sufficient, though those sensitive to cooler water may prefer a thin wetsuit in the cooler months. Observing posted warnings and checking local conditions helps make a beach holiday around Hanapepe both enjoyable and safe.