Bowen Island — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Bowen Island (British Columbia, Canada). 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 Bowen Island help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Bowen Island in the Salish Sea today is 18°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.
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
Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Bowen Island will be 16.6°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 |
|---|---|---|---|
| JUL 13 | 18.1°C | 16.8°C | |
| JUL 14 | 18.3°C | 16.3°C | |
| JUL 15 | 18.2°C | 16.3°C | |
| JUL 16 | 18.2°C | 16.3°C | |
| JUL 17 | 18.8°C | 16.8°C | |
| JUL 18 | 18.6°C | 17.3°C | |
| JUL 19 | 18.6°C | 17.5°C | |
| JUL 20 | 18.3°C | 17.3°C | |
| JUL 21 | 18.2°C | 17.3°C | 18.2°C |
| JUL 22 | 15.3°C | 18.0°C | |
| JUL 23 | 14.8°C | 17.7°C | |
| JUL 24 | 15.0°C | 17.5°C | |
| JUL 25 | 15.0°C | 17.3°C | |
| JUL 26 | 14.8°C | 17.1°C | |
| JUL 27 | 15.8°C | 16.8°C | |
| JUL 28 | 15.8°C | 16.6°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
Bowen Island sits in the southern reaches of Howe Sound, a short ferry ride from Vancouver, and experiences the cool coastal climate typical of the southern British Columbia coast. Sea surface temperatures around the island vary by season: winter months (December–February) commonly see waters around 6–8 °C, spring (March–May) generally ranges from about 7–12 °C as the surface slowly warms, summer (June–August) brings the warmest sea conditions, typically 12–17 °C and occasionally up to about 18 °C during hot spells, while autumn (September–November) cools back to roughly 10–13 °C. Freshwater bodies on the island, notably Killarney Lake, warm more quickly and in summer often reach the mid to high teens °C and on warm, sunny days can approach the low 20s °C.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 5°C | 8°C | 9°C |
| February | 6°C | 7°C | 9°C |
| March | 6°C | 8°C | 10°C |
| April | 7°C | 9°C | 12°C |
| May | 7°C | 11°C | 15°C |
| June | 9°C | 13°C | 19°C |
| July | 10°C | 15°C | 19°C |
| August | 10°C | 15°C | 20°C |
| September | 8°C | 14°C | 18°C |
| October | 9°C | 11°C | 14°C |
| November | 7°C | 10°C | 12°C |
| December | 6°C | 8°C | 10°C |
* Click on a month to view detailed water temperature data.
Bowen Island: Weather Forecast
July 22
July 23
July 24
July 25
Location, Beaches & Local Information
Nearby Beaches & Facilities
Whytecliff Park Beach
Eagle Harbour
Tunstall Bay Beach
Bowen Bay Beach
Stearman Beach
Swimming Conditions
Swimming and beach recreation on Bowen Island reflect these temperature realities and the island’s sheltered geography. Many visitors choose sheltered bays and small beaches near Snug Cove for short swims, while Killarney Lake is a popular, often warmer freshwater option for longer swims and relaxed family outings. The shoreline is a mix of pebbled and sandy spots with rocky sections and tidal areas, so swimmers should be prepared for cool water even in summer and consider wetsuits for extended swims or open-water swimming. Tidal currents and boat traffic can affect conditions in some channels, and formal lifeguard coverage is limited, so typical precautions—checking tides, swimming with a companion, and choosing protected spots—make the island’s swimming and beach experiences safer and more enjoyable.