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

78.5

°F

September 16, 03:49

Trend:

decreasing

Yesterday:

79.7°F

Tomorrow:

78.2°F

Sunrise:

06:48

Sunset:

19:13

Day Length:

12 h. 25 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 78.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.2°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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 78.5°F on 2016, while the historical minimum was 73.8°F on 2017.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 77.6°F, the minimum temperature may reach 77.0°F, and the maximum might stay at 78.2°F.

Daily water temperature in Annapolis

Date Current Year

actual* / forecast**

last year 10 years average
Sep 2 81.8°F 75.1°F 79.2°F
Sep 3 81.7°F 75.5°F 78.7°F
Sep 4 81.5°F 75.8°F 78.7°F
Sep 5 81.9°F 75.7°F 78.7°F
Sep 6 81.3°F 75.9°F 78.6°F
Sep 7 80.4°F 76.8°F 78.4°F
Sep 8 80.0°F 76.9°F 78.4°F
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 76.3°F
Sep 17 78.2°F 74.0°F 76.0°F
Sep 18 77.6°F 72.4°F 75.4°F
Sep 19 77.6°F 72.8°F 75.5°F
Sep 20 77.7°F 74.2°F 75.5°F
Sep 21 77.5°F 73.8°F 75.3°F
Sep 22 77.3°F 73.1°F 75.2°F
Sep 23 77.0°F 72.6°F 74.9°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 66.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Baltimore 78.0°F 22mi
Long Beach 79.5°F 36mi
Delaware City 77.9°F 64mi
Wilmington 77.3°F 73mi

* current water temperature in this city

** straight line distance from Annapolis