Catalina — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Catalina (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 Catalina help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Catalina in the Atlantic Ocean today is 11°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit 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 Catalina 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 Catalina will be 4.4°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 |
|---|---|---|---|
| JUL 23 | 9.1°C | 11.5°C | |
| JUL 24 | 9.1°C | 11.3°C | |
| JUL 25 | 9.2°C | 11.5°C | |
| JUL 26 | 9.4°C | 11.8°C | |
| JUL 27 | 9.9°C | 12.3°C | |
| JUL 28 | 11.3°C | 12.5°C | |
| JUL 29 | 11.5°C | 12.3°C | |
| JUL 30 | 11.7°C | 12.3°C | |
| JUL 31 | 11.3°C | 12.3°C | 11.3°C |
| AUG 1 | 14.0°C | 10.3°C | |
| AUG 2 | 8.3°C | 9.3°C | |
| AUG 3 | 1.5°C | 8.4°C | |
| AUG 4 | 1.5°C | 7.4°C | |
| AUG 5 | 1.5°C | 6.4°C | |
| AUG 6 | 1.5°C | 5.4°C | |
| AUG 7 | 1.5°C | 4.4°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
Catalina is a small coastal community on the Bonavista Peninsula of Newfoundland and Labrador, facing open North Atlantic waters and influenced by cold currents and seasonal ice. Sea temperatures around Catalina are markedly cool compared with more southerly holiday spots: winter surface temperatures commonly hover around 0–2°C and can approach freezing in sheltered inlets when conditions allow, while spring usually ranges from about 0–6°C as the ocean slowly warms. Summer brings the warmest water, typically between 8–12°C and occasionally reaching 13–14°C in the warmest, shallow bays during calm late-summer spells. Autumn cooling sees temperatures fall back into the 4–9°C range as the ocean releases stored heat and weather turns more unsettled.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | -1°C | 1°C | 4°C |
| February | -2°C | -1°C | 2°C |
| March | -3°C | -1°C | 1°C |
| April | -2°C | 0°C | 2°C |
| May | -1°C | 2°C | 6°C |
| June | 0°C | 6°C | 11°C |
| July | 7°C | 11°C | 17°C |
| August | 11°C | 15°C | 17°C |
| September | 7°C | 13°C | 18°C |
| October | 4°C | 10°C | 14°C |
| November | 0°C | 7°C | 11°C |
| December | 0°C | 3°C | 7°C |
* Click on a month to view detailed water temperature data.
Catalina: Weather Forecast
August 1
August 2
August 3
August 4
Location, Beaches & Local Information
Swimming Conditions
Swimming and beach use in Catalina reflect those cold conditions: traditional warm-weather bathing is brief and requires acclimatisation, with most residents and visitors favoring short dips, shore-based paddling, or use of wetsuits or drysuits for longer immersion. Sandy or pebbly beaches and sheltered coves offer pleasant coastal scenery and safe entry points, but swimmers should be cautious of cold shock, strong currents, and rapidly changing weather; organized lifeguards are uncommon. The most comfortable window for open-water swimming is mid July through August when surface temperatures are at their peak, while many people combine beach visits with boating, kayaking, tidepooling, and scenic walks rather than long swims, making Catalina an attractive destination for a cool, rugged coastal experience rather than traditional warm-water beach holidays.