Stephenville — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Stephenville (Newfoundland And Labrador, 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 Stephenville help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Stephenville in the Atlantic Ocean today is 8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used.
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 Stephenville today is lower than both a week ago and a month ago. Currently, the sea water at this location is slightly cooler than average for this day in previous years.
According to our forecast, Water temperature in Stephenville will be 9.1°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 |
|---|---|---|---|
| OCT 20 | 9.6°C | 10.3°C | |
| OCT 21 | 9.0°C | 10.0°C | |
| OCT 22 | 8.7°C | 10.3°C | |
| OCT 23 | 8.8°C | 10.0°C | |
| OCT 24 | 8.8°C | 10.3°C | |
| OCT 25 | 8.9°C | 10.0°C | |
| OCT 26 | 8.6°C | 10.3°C | |
| OCT 27 | 8.3°C | 10.3°C | |
| OCT 28 | 8.2°C | 9.3°C | 8.2°C |
| OCT 29 | 9.3°C | 8.3°C | |
| OCT 30 | 9.5°C | 8.5°C | |
| OCT 31 | 9.3°C | 8.6°C | |
| NOV 1 | 9.3°C | 8.7°C | |
| NOV 2 | 9.3°C | 8.9°C | |
| NOV 3 | 9.5°C | 9.0°C | |
| NOV 4 | 8.5°C | 9.1°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
Stephenville sits on the sheltered shores of Bay St. George on Newfoundland’s west coast, where the coastal waters reflect the island’s cool maritime climate. Sea temperatures around Stephenville are generally low compared with more southerly destinations. In winter the nearshore water commonly hovers around 0°C to 2°C, while spring sees a gradual rise to roughly 0°C to 6°C as the ice and cold currents give way. Summer brings the warmest conditions but remains relatively chilly, with typical surface temperatures in the range of about 8°C to 12°C and occasionally reaching into the lower teens in the warmest, most protected inlets. Autumn waters cool again to roughly 6°C to 9°C as air temperatures drop and Atlantic influences increase.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | -2°C | 2°C | 4°C |
| February | -2°C | 1°C | 2°C |
| March | -3°C | -1°C | 1°C |
| April | -2°C | 0°C | 3°C |
| May | -1°C | 3°C | 7°C |
| June | 2°C | 8°C | 13°C |
| July | 9°C | 13°C | 18°C |
| August | 13°C | 17°C | 20°C |
| September | 8°C | 16°C | 21°C |
| October | 3°C | 11°C | 15°C |
| November | 1°C | 7°C | 12°C |
| December | 0°C | 4°C | 8°C |
* Click on a month to view detailed water temperature data.
Stephenville: Weather Forecast
October 29
October 30
October 31
November 1
Location, Beaches & Local Information
Swimming Conditions
Because the water stays cool year-round, swimming at Stephenville is a bracing experience and the typical swimming season is short. Local residents and visitors often limit open-water bathing to the warmest weeks of summer or opt for quick dips rather than extended swims; many water users favour wetsuits or drysuits for longer exposure. The shoreline offers sandy and rocky spots and sheltered coves that are pleasant for beach days, picnics and shoreline paddling when weather permits, but swimmers should be mindful of swift changes in weather, cold-water shock and tidal currents. For a safer and more comfortable outing, check local conditions, choose sheltered areas, bring thermal layers and limit time in the water unless properly equipped.