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

79.8

°F

September 9, 01:05

Trend:

decreasing

Yesterday:

80.0°F

Tomorrow:

79.3°F

Sunrise:

06:42

Sunset:

19:24

Day Length:

12 h. 42 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 79.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.8°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 slightly 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 82.9°F on 2018, while the historical minimum was 73.3°F on 2017.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 78.7°F, the minimum temperature may reach 78.1°F, and the maximum might stay at 79.3°F.

Daily water temperature in Annapolis

Date Current Year

actual* / forecast**

last year 10 years average
Aug 26 79.7°F 78.3°F 80.0°F
Aug 27 79.8°F 77.6°F 80.2°F
Aug 28 79.8°F 77.3°F 80.3°F
Aug 29 80.2°F 76.7°F 80.3°F
Aug 30 80.0°F 76.8°F 80.1°F
Aug 31 80.3°F 75.5°F 79.8°F
Sep 1 80.9°F 75.0°F 79.7°F
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 78.2°F
Sep 9 79.8°F 75.3°F 78.0°F
Sep 10 79.3°F 74.7°F 77.5°F
Sep 11 78.8°F 73.6°F 77.0°F
Sep 12 78.4°F 74.1°F 76.6°F
Sep 13 78.9°F 74.1°F 77.1°F
Sep 14 78.7°F 74.4°F 76.9°F
Sep 15 78.5°F 75.4°F 76.7°F
Sep 16 78.1°F 75.4°F 76.3°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 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 78.8°F 22mi
Long Beach 81.2°F 36mi
Delaware City 79.3°F 64mi
Wilmington 78.0°F 73mi

* current water temperature in this city

** straight line distance from Annapolis