All data are in degrees Fahrenheit

en

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

35.8

°F

January 25, 18:40

Trend:

decreasing

Yesterday:

35.9°F

Tomorrow:

35.8°F

Sunrise:

07:18

Sunset:

17:19

Day Length:

10 h. 1 min.

Annapolis in February

Minimum:

37.7°F

Average:

42.0°F

Maximum:

47.4°F

Sea water temperature in Annapolis today

As of now, in Annapolis, the water temperature is 35.8°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 1.6°F lower 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 stay about the same.

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 41.1°F on 2023, while the historical minimum was 32.1°F on 2025.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 36.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Annapolis

Date Current Year

actual* / forecast**

last year 10 years average
Jan 11 38.9°F 35.3°F 39.5°F
Jan 12 38.9°F 35.5°F 39.1°F
Jan 13 38.0°F 36.2°F 39.3°F
Jan 14 38.4°F 36.0°F 39.5°F
Jan 15 38.4°F 36.0°F 39.1°F
Jan 16 38.8°F 35.7°F 38.4°F
Jan 17 37.9°F 34.9°F 38.5°F
Jan 18 37.9°F 35.3°F 38.7°F
Jan 19 37.9°F 35.7°F 38.4°F
Jan 20 37.2°F 35.9°F 38.1°F
Jan 21 36.5°F 34.8°F 37.9°F
Jan 22 36.1°F 33.2°F 37.1°F
Jan 23 36.8°F 32.3°F 36.7°F
Jan 24 35.9°F 32.0°F 36.9°F
Jan 25 35.8°F 32.1°F 37.4°F
Jan 26 35.8°F 32.0°F 37.3°F
Jan 27 35.9°F 32.5°F 37.5°F
Jan 28 36.1°F 32.8°F 37.6°F
Jan 29 36.1°F 34.1°F 37.6°F
Jan 30 36.3°F 34.7°F 37.9°F
Jan 31 36.2°F 35.1°F 37.8°F
Feb 1 35.9°F 35.8°F 37.5°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 40.7°F in Winter, 54.2°F in Spring, 78.9°F in Summer, and 66.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Baltimore 36.5°F 22mi
Long Beach 37.4°F 36mi
Delaware City 34.6°F 64mi
Wilmington 34.3°F 73mi

* current water temperature in this city

** straight line distance from Annapolis