Lewisporte — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Lewisporte (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 Lewisporte help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Lewisporte in the Atlantic Ocean today is 16°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.
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 Lewisporte today is lower than both a week ago and a month ago. Currently, the sea water at this location is slightly warmer than average for this day in previous years.
According to our forecast, Water temperature in Lewisporte will be 14.3°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 |
|---|---|---|---|
| SEP 1 | 17.6°C | 15.8°C | |
| SEP 2 | 17.6°C | 15.8°C | |
| SEP 3 | 17.8°C | 15.0°C | |
| SEP 4 | 16.9°C | 15.3°C | |
| SEP 5 | 16.3°C | 15.5°C | |
| SEP 6 | 17.0°C | 15.0°C | |
| SEP 7 | 16.9°C | 15.0°C | |
| SEP 8 | 16.5°C | 14.8°C | |
| SEP 9 | 15.8°C | 14.5°C | 15.8°C |
| SEP 10 | 14.3°C | 15.6°C | |
| SEP 11 | 14.3°C | 15.4°C | |
| SEP 12 | 14.0°C | 15.2°C | |
| SEP 13 | 13.8°C | 15.0°C | |
| SEP 14 | 14.0°C | 14.8°C | |
| SEP 15 | 13.8°C | 14.5°C | |
| SEP 16 | 14.0°C | 14.3°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
Lewisporte is a small coastal town on the inner shores of Notre Dame Bay in Newfoundland and Labrador, offering a mix of rocky shoreline, sheltered harbour waters and a few small sandy coves within easy reach. The marine environment here is cool year-round, with distinct seasonal shifts. Winter surface temperatures around the harbour commonly range from 0 to 2°C, and near-freezing conditions with sea ice can occur in late winter and early spring. Spring waters typically warm from about 1 to 8°C as ice retreats and runoff cools the bay. Peak summer temperatures are modest by temperate standards, generally falling between 8 and 15°C on warmer days, while autumn sees a steady decline to roughly 3 to 10°C as cooling begins again. These ranges reflect coastal variability driven by wind, tides and the sheltered nature of local inlets.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | -2°C | 1°C | 4°C |
| February | -2°C | -1°C | 1°C |
| March | -3°C | -1°C | 0°C |
| April | -3°C | 0°C | 2°C |
| May | -1°C | 1°C | 6°C |
| June | 1°C | 6°C | 12°C |
| July | 6°C | 12°C | 16°C |
| August | 11°C | 16°C | 19°C |
| September | 6°C | 14°C | 19°C |
| October | 2°C | 10°C | 14°C |
| November | 0°C | 7°C | 10°C |
| December | -1°C | 3°C | 6°C |
* Click on a month to view detailed water temperature data.
Lewisporte: Weather Forecast
September 11
September 12
September 13
Location, Beaches & Local Information
Swimming Conditions
Swimming and beach holidays around Lewisporte tend to be short, brisk experiences rather than long, warm-season pursuits. The cool summer water makes accidental cold-water immersion a real risk, so visitors who plan to swim often use wetsuits or stay close to shore for brief dips. Sheltered coves and boat-accessible beaches can provide calmer conditions for paddling or supervised swims, and many people combine waterfront time with boating, wildlife viewing or shoreline walks rather than lengthy bathing. Anyone intending to swim should check local conditions, be aware of currents and tides, and consider protective clothing and flotation. For those seeking warmer swimming, land-based recreational options or heated indoor facilities in larger nearby centres are practical alternatives.