All data are in degrees Fahrenheit

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Water temperature in Baltimore

Detailed information about the current water temperature in Baltimore. 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 Baltimore now

38.5

°F

March 2, 17:27

Trend:

stable

Yesterday:

38.9°F

Tomorrow:

39.2°F

Sunrise:

06:38

Sunset:

18:00

Day Length:

11 h. 22 min.

Baltimore in March

Minimum:

37.3°F

Average:

41.5°F

Maximum:

45.2°F

Sea water temperature in Baltimore today

As of now, in Baltimore, the water temperature is 38.5°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 2.8°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 44.1°F on 2018, while the historical minimum was 37.8°F on 2025.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 39.0°F, with minimum temperature starting at 38.6°F, while the maximum might reach 39.5°F.

Daily water temperature in Baltimore

Date Current Year

actual* / forecast**

last year 10 years average
Feb 16 33.3°F 37.1°F 37.5°F
Feb 17 33.2°F 36.9°F 37.4°F
Feb 18 35.0°F 37.9°F 37.7°F
Feb 19 34.7°F 36.6°F 37.7°F
Feb 20 34.8°F 36.5°F 38.2°F
Feb 21 34.8°F 35.9°F 38.6°F
Feb 22 36.3°F 36.5°F 38.9°F
Feb 23 36.3°F 35.3°F 38.4°F
Feb 24 36.5°F 35.1°F 39.3°F
Feb 25 36.1°F 35.3°F 39.8°F
Feb 26 35.9°F 37.1°F 39.9°F
Feb 27 35.7°F 37.5°F 40.0°F
Feb 28 35.7°F 38.9°F 40.6°F
Mar 1 38.9°F 39.6°F 41.4°F
Mar 2 38.5°F 37.8°F 41.2°F
Mar 3 39.2°F 38.8°F 42.0°F
Mar 4 38.9°F 39.1°F 41.7°F
Mar 5 39.1°F 39.5°F 41.8°F
Mar 6 38.8°F 38.4°F 41.6°F
Mar 7 38.6°F 39.8°F 41.3°F
Mar 8 39.0°F 41.3°F 41.8°F
Mar 9 39.5°F 39.5°F 42.3°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 Baltimore by month

In Baltimore, the months July through September offer comfortable swimming conditions, which amounts to 97 swimming days.
The warmest water in Baltimore was recorded on July 20, 2019, reaching a 86.3°F. While the coldest temperature occurred on January 11, 2018, dipping to 32.1°F. The average readings by season are 40.1°F in Winter, 53.6°F in Spring, 78.1°F in Summer, and 65.7°F in Autumn.