Kaneohe — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Kaneohe (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 Kaneohe help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Kaneohe 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 Kaneohe 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 Kaneohe will be 26.4°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 |
|---|---|---|---|
| JUN 7 | 25.8°C | 25.8°C | |
| JUN 8 | 25.6°C | 25.8°C | |
| JUN 9 | 25.6°C | 26.0°C | |
| JUN 10 | 25.7°C | 25.5°C | |
| JUN 11 | 25.8°C | 26.3°C | |
| JUN 12 | 25.9°C | 25.8°C | |
| JUN 13 | 25.9°C | 26.0°C | |
| JUN 14 | 26.2°C | 26.0°C | |
| JUN 15 | 26.5°C | 26.0°C | 26.5°C |
| JUN 16 | 26.8°C | 26.5°C | |
| JUN 17 | 26.0°C | 26.5°C | |
| JUN 18 | 26.3°C | 26.4°C | |
| JUN 19 | 26.3°C | 26.4°C | |
| JUN 20 | 26.3°C | 26.4°C | |
| JUN 21 | 26.3°C | 26.4°C | |
| JUN 22 | 26.3°C | 26.4°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
Kaneohe, on the windward side of Oʻahu in Hawaii, sits around a broad, shallow bay that moderates water temperatures and creates a generally pleasant marine environment year‑round. Because the bay is partially sheltered by a coral reef and a series of sandbars, water in Kaneohe is typically a little warmer and calmer than exposed ocean fronts. Seasonal surface temperatures generally range from about 22 °C to 29 °C, with winter months (December–February) averaging near 23–25 °C, spring (March–May) around 24–26 °C, summer (June–August) often peaking between 26–29 °C, and autumn (September–November) typically falling in the 25–28 °C range. Localized factors such as recent rainfall, tidal flow and wind-driven mixing can cause short‑term variability in both temperature and clarity.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 23°C | 25°C | 26°C |
| February | 22°C | 24°C | 26°C |
| March | 22°C | 24°C | 26°C |
| April | 23°C | 25°C | 26°C |
| May | 23°C | 25°C | 27°C |
| June | 23°C | 26°C | 27°C |
| July | 24°C | 27°C | 28°C |
| August | 25°C | 27°C | 28°C |
| September | 25°C | 27°C | 28°C |
| October | 25°C | 27°C | 29°C |
| November | 24°C | 26°C | 28°C |
| December | 23°C | 25°C | 27°C |
* Click on a month to view detailed water temperature data.
Kaneohe: Weather Forecast
June 16
June 17
June 18
June 19
Location, Beaches & Local Information
Nearby Beaches & Facilities
Kaneohe Beach Park
Heíeia State Park
Heeia State Park
Marine Corps Base Hawaii-Kaneohe Bay
North Beach
Oneawa Beach
Kalama Beach Park
Kailua Beach Park
Waiahole Beach Park
Swimming Conditions
Swimming and beach recreation in Kaneohe benefit from the bay’s sheltered nature, making it well suited for relaxed swimming, snorkeling, kayaking and paddleboarding. Shallow lagoons and coral gardens support a variety of tropical fish and make snorkel trips especially rewarding near the reef structures, though visibility can drop after heavy rain or in windy conditions. Many visitors find a wetsuit unnecessary given the mild water temperatures, though a rashguard or light swimshirt is useful for sun protection and against occasional coral scrapes; water shoes are helpful in rocky shallows. While currents are usually mild inside the bay, swimmers should remain aware of changing tides, boat traffic, and marine hazards such as sea urchins or jellyfish, and choose lifeguarded beaches when available or check local conditions before entering the water.