All data are in degrees Fahrenheit

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Water temperature in Annapolis

Detailed information about the current water temperature in Annapolis. 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.
Sea temperature in Annapolis now

49.2

°F

December 3, 11:47

Trend:

decreasing

Yesterday:

50.4°F

Tomorrow:

49.0°F

Sunrise:

07:08

Sunset:

16:44

Day Length:

9 h. 36 min.

Annapolis in December

Minimum:

34.7°F

Average:

38.8°F

Maximum:

43.6°F

Sea water temperature in Annapolis today

As of now, in Annapolis, the water temperature is 49.2°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 0.8°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 fall 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 51.6°F on 2020, while the historical minimum was 43.9°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 47.9°F, the minimum temperature may reach 47.0°F, and the maximum might stay at 49.0°F.

Daily water temperature in Annapolis

Date Current Year

actual* / forecast**

last year 10 years average
Nov 19 57.3°F 56.9°F 53.6°F
Nov 20 57.3°F 56.0°F 53.2°F
Nov 21 57.8°F 55.1°F 52.7°F
Nov 22 56.8°F 53.6°F 51.8°F
Nov 23 55.3°F 54.1°F 51.6°F
Nov 24 53.2°F 54.2°F 50.9°F
Nov 25 54.0°F 53.2°F 50.6°F
Nov 26 53.5°F 51.6°F 50.2°F
Nov 27 53.4°F 50.7°F 50.4°F
Nov 28 53.2°F 51.2°F 50.2°F
Nov 29 52.8°F 50.3°F 50.0°F
Nov 30 52.4°F 49.3°F 49.5°F
Dec 1 51.4°F 48.8°F 49.2°F
Dec 2 50.4°F 49.0°F 49.0°F
Dec 3 49.2°F 49.4°F 48.4°F
Dec 4 49.0°F 49.6°F 48.3°F
Dec 5 48.7°F 49.2°F 47.9°F
Dec 6 48.1°F 47.7°F 47.3°F
Dec 7 47.7°F 46.3°F 46.9°F
Dec 8 47.7°F 46.4°F 46.9°F
Dec 9 47.1°F 45.6°F 46.3°F
Dec 10 47.0°F 46.7°F 46.3°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 Annapolis by month

In Annapolis, the months June through September offer comfortable swimming conditions, which amounts to 103 swimming days.
The warmest water in Annapolis was recorded on July 22, 2019, reaching a 87.1°F. While the coldest temperature occurred on January 19, 2018, dipping to 32.0°F. The average readings by season are 40.7°F in Winter, 53.5°F in Spring, 78.6°F in Summer, and 66.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Baltimore 50.8°F 22mi
Long Beach 52.5°F 36mi
Delaware City 48.7°F 64mi
Wilmington 49.0°F 73mi

* current water temperature in this city

** straight line distance from Annapolis