What is the current water temperature in Seattle?

Q: What is the current water temperature in Seattle?

As of now, in Seattle, the water temperature is 11.23°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

United States > Seattle

Water temperature in Seattle

Detailed information about the current water temperature in Seattle. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

52.2

°F

November 14, 20:16

Trend:

stable

Yesterday:

52.6°F

Tomorrow:

52.4°F

Sunrise:

07:13

Sunset:

16:34

Day Length:

9 h. 21 min.

Seattle in November

Minimum:

46.0°F

Average:

47.4°F

Maximum:

49.0°F

Sea water temperature in Seattle today

As of now, in Seattle, the water temperature is 52.2°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.5°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 53.3°F on 2015, while the historical minimum was 49.2°F on 2023.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 52.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Seattle

Date	Current Year actual* / forecast**	last year	10 years average
Oct 31	54.5°F	53.4°F	53.4°F
Nov 1	54.0°F	53.3°F	53.2°F
Nov 2	53.5°F	52.9°F	52.9°F
Nov 3	53.8°F	53.0°F	53.2°F
Nov 4	53.5°F	52.9°F	52.8°F
Nov 5	53.5°F	53.6°F	53.1°F
Nov 6	53.0°F	52.1°F	53.1°F
Nov 7	53.2°F	51.8°F	53.2°F
Nov 8	53.9°F	52.0°F	53.1°F
Nov 9	53.6°F	51.7°F	52.7°F
Nov 10	53.2°F	51.3°F	52.4°F
Nov 11	52.6°F	51.0°F	52.1°F
Nov 12	53.0°F	51.1°F	52.1°F
Nov 13	52.6°F	50.8°F	51.9°F
Nov 14	52.2°F	50.6°F	51.7°F
Nov 15	52.4°F	51.5°F	51.9°F
Nov 16	52.4°F	51.2°F	52.0°F
Nov 17	52.2°F	50.9°F	51.7°F
Nov 18	52.1°F	50.6°F	51.6°F
Nov 19	51.9°F	50.4°F	51.4°F
Nov 20	51.7°F	50.1°F	51.2°F
Nov 21	51.6°F	51.4°F	51.2°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Seattle by month

In an average year, Seattle offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Seattle was recorded on July 6, 2021, reaching a 63.4°F. While the coldest temperature occurred on January 29, 2022, dipping to 44.4°F. The average readings by season are 47.8°F in Winter, 49.7°F in Spring, 57.1°F in Summer, and 54.4°F in Autumn.