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Water Temperature in the Salish Sea in Marietta, Washington: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Marietta in Washington, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Marietta
7.8°C
TODAY
7.9°C
YESTERDAY
8.2°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Salish Sea in Marietta is 7.8°C. This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold.
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 for Salish Sea in Marietta Over the Last 30 Days
The water temperature in Marietta today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Marietta will remain nearly unchanged in the coming days, its value will be 8.3°C.
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 across United States to enhance accuracy.
Water temperature data for Marietta and nearby towns and resorts 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.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Mar 18 | 8.2°C | 8.5°C | |
| Mar 19 | 8.0°C | 7.5°C | |
| Mar 20 | 8.2°C | 8.5°C | |
| Mar 21 | 7.8°C | 8.0°C | |
| Mar 22 | 8.0°C | 8.0°C | |
| Mar 23 | 7.9°C | 7.8°C | |
| Mar 24 | 7.9°C | 7.5°C | |
| Mar 25 | 7.8°C | 8.5°C | |
| Mar 26 | 8.3°C | 7.9°C | |
| Mar 27 | 8.0°C | 7.9°C | |
| Mar 28 | 8.8°C | 8.0°C | |
| Mar 29 | 8.8°C | 8.1°C | |
| Mar 30 | 9.0°C | 8.2°C | |
| Mar 31 | 8.8°C | 8.3°C | |
| Apr 1 | 8.8°C | 8.4°C | |
| Apr 2 | 8.0°C | 8.3°C |
Sea Temperature in Marietta Throughout the Year
Throughout the year, the sea temperature in Marietta never exceeds 64°F (18°C).
Below is the annual chart of sea temperature changes in the Salish Sea in Marietta.
January
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 8°C | 10°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 7.5°C | 9°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 8°C | 10°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 9°C | 11°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 10°C | 13°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 9°C | 11.5°C | 14°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 13°C | 16°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 13°C | 16°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 11.5°C | 15°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 9°C | 11°C | 13°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 10°C | 12°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 8°C | 10°C |
Monthly Water Temperature Histogram for Salish Sea in Marietta
You can explore detailed data on how the water temperature in Marietta varies each month:
What Beaches Are There In and Around Marietta?
Locust Beach
Locust Beach is a 1-stars pebble beach, located in a 4 km (2 miles) radius of Marietta.
Squalicum Beach
Squalicum Beach is a 1-stars pebble beach, located in a 5 km (3 miles) radius of Marietta.
Little Squalicum Park
Little Squalicum Park is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Marietta. There is parking. There are restrooms. Little Squalicum Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Vanderyacht Park
Vanderyacht Park is a 2-stars sandy beach, located in a 7 km (4 miles) radius of Marietta. There are restrooms.
Port Of Bellingham Marine Park
Port Of Bellingham Marine Park is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Marietta. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Georgia-Pacific Beach
Georgia-Pacific Beach is a 1-stars sandy beach, located in a 8 km (5 miles) radius of Marietta.
Boulevard Park
Boulevard Park is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Marietta. There is parking. There are restrooms. Boulevard Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Hermosa Beach
Hermosa Beach is a 1-stars pebble beach, located in a 8 km (5 miles) radius of Marietta.
Marine Park
Marine Park is a 2-stars pebble beach, located in a 9 km (6 miles) radius of Marietta. There are restrooms. Snorkeling is possible.
South Sandy Point
South Sandy Point is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Marietta. South Sandy Point is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Sandy Point Marina
Sandy Point Marina is a 1-stars sandy beach, located in a 9 km (6 miles) radius of Marietta.
Neontawanta Beach
Neontawanta Beach is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Marietta. Neontawanta Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Marietta Weather
MARCH 26
9°C / 15°C
overcast clouds: 85-100%humidity: 87% | wind: 3 km/h
MARCH 27
8°C / 14°C
scattered clouds: 25-50%humidity: 81% | wind: 3 km/h
MARCH 28
8°C / 12°C
overcast clouds: 85-100%humidity: 78% | wind: 5 km/h
MARCH 29
6°C / 8°C
light rainhumidity: 91% | wind: 2 km/h
Sea Temperature in the Salish Sea in Marietta: General Trends and Swimming Opportunities
The coastal area of Washington State, U.S., experiences a marine oceanic climate, characterized by cool, wet winters and mild, relatively dry summers. The region receives significant rainfall throughout the year, with November typically being the wettest month, while July and August are the driest and warmest.
Marietta is located in North America in the Northern Hemisphere at a latitude of 49 degrees, along the shores of the Salish Sea. Marietta lies within the Washington in United States.
The average annual daytime air temperature in Marietta is 54°F (12°C), with the average nighttime temperature being 45°F (7°C). The highest average daily temperature occurs in August, reaching 72°F (22°C), while the lowest is in December at 37°F (3°C). As for nighttime temperatures, the minimum average temperature of 35°F (2°C) is recorded in January, and the maximum is in August, reaching 56°F (14°C).
According to historical data, Marietta experiences 152 rainy days per year, which accounts for 42 percent of all days in the year. On average, there are 13 rainy days each month. The wettest month is November, with 18 rainy days and 10.5 inches (266 mm) of precipitation, while the driest month is August, which typically has 7 rainy days and only 1.9 inches (49 mm) of precipitation.
The average annual water temperature in Salish Sea in Marietta is 50°F (10°C). In January, the water reaches its lowest point of the year at 43°F (6°C), while in July, it peaks at 61°F (16°C). In Marietta, the water temperature in the Salish Sea never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Marietta
Nearby Cities
Frequently Asked Questions About Marietta and its Water Temperatures
What is the current sea temperature in Marietta?
The water temperature today in the Salish Sea in Marietta is 46°F (7.8°C).
In which months is the water temperature in Marietta comfortable for swimming?
It cannot be guaranteed that the water temperature in Marietta will be comfortable for swimming in any month of the year.
What is the water temperature in Marietta during the winter?
The water temperature in the Salish Sea in Marietta during the winter ranges from 43°F to 50°F (6°C to 10°C).
What is the water temperature in Marietta during the spring?
The water temperature in the Salish Sea in Marietta during the spring ranges from 43°F to 55°F (6°C to 13°C).
What is the water temperature in Marietta during the summer?
The water temperature in the Salish Sea in Marietta during the summer ranges from 48°F to 61°F (9°C to 16°C).
What is the water temperature in Marietta during the fall?
The water temperature in the Salish Sea in Marietta during the fall ranges from 46°F to 59°F (8°C to 15°C).
Is it possible to swim in the sea in Marietta at any time of the year?
In Marietta, the Salish Sea is quite cold, and swimming is almost impossible as the water temperature never reaches 70°F (21°C).
What sea temperatures can I expect in Marietta in the next month?
In April, the water temperature in the Salish Sea in Marietta will range between 45°F (7°C) and 52°F (11°C)