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

74.9

°F

September 23, 04:11

Trend:

decreasing

Yesterday:

77.0°F

Tomorrow:

74.1°F

Sunrise:

06:54

Sunset:

19:02

Day Length:

12 h. 8 min.

Annapolis in September

Minimum:

33.7°F

Average:

39.4°F

Maximum:

43.0°F

Sea water temperature in Annapolis today

As of now, in Annapolis, the water temperature is 74.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as 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 76.7°F on 2022, while the historical minimum was 71.5°F on 2020.

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 73.1°F, the minimum temperature may reach 72.4°F, and the maximum might stay at 74.1°F.

Daily water temperature in Annapolis

Date Current Year

actual* / forecast**

last year 10 years average
Sep 9 79.6°F 75.3°F 78.1°F
Sep 10 79.7°F 74.7°F 77.6°F
Sep 11 79.8°F 73.6°F 77.3°F
Sep 12 80.0°F 74.1°F 76.9°F
Sep 13 79.8°F 74.1°F 77.3°F
Sep 14 80.0°F 74.4°F 77.2°F
Sep 15 79.7°F 75.4°F 76.9°F
Sep 16 78.5°F 75.4°F 76.5°F
Sep 17 77.8°F 74.0°F 76.2°F
Sep 18 78.5°F 72.4°F 75.7°F
Sep 19 78.3°F 72.8°F 75.7°F
Sep 20 77.9°F 74.2°F 75.7°F
Sep 21 77.7°F 73.8°F 75.5°F
Sep 22 77.0°F 73.1°F 75.3°F
Sep 23 74.9°F 72.6°F 74.9°F
Sep 24 74.1°F 73.1°F 74.0°F
Sep 25 73.6°F 73.9°F 73.5°F
Sep 26 73.3°F 74.1°F 73.3°F
Sep 27 73.1°F 74.8°F 73.1°F
Sep 28 72.8°F 74.5°F 72.7°F
Sep 29 72.9°F 74.5°F 72.8°F
Sep 30 72.4°F 74.2°F 72.4°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 105 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 40.5°F in Winter, 54.3°F in Spring, 78.9°F in Summer, and 66.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Baltimore 75.1°F 22mi
Long Beach 77.3°F 36mi
Delaware City 74.7°F 64mi
Wilmington 74.5°F 73mi

* current water temperature in this city

** straight line distance from Annapolis