Baltimore water temp
This data the coastal Baltimore ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Current ocean temperature in Baltimore
Water temperature in Baltimore today is 63.1°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Baltimore was recorded in 2021 and was 67.6°F, and the coldest was recorded in 2022 at 61.7°F. Sea water temperature in Baltimore is expected to drop to 61.2°F in the next 10 days. October average water temperature in Baltimore is 65.3°F, the minimum temperature is 56.1°F, and the maximum is 76.3°F.
The swimming season in Baltimore lasts from June to October. During those months, Baltimore water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Baltimore in winter reaches 39.4°F, in spring 53.2°F, in summer the average temperature rises to 78.1°F, and in autumn it is 64.6°F.
Baltimore water temperature now
| October 18, 2025 |
|---|
| today temp |
| 63.1°F |
| October 17, 2025 |
|---|
| yesterday temp |
| 64.9°F |
The ocean salinity in Baltimore is 0.01‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Baltimore for today
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Baltimore. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Baltimore. Data in table shown for October 18, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 0' 1" | 0' 0" | 0' 0" | 0' 0" |
| 0.03 m | 0.01 m | 0.01 m | 0.01 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 0" | 0' 2" | 0' 9" | 0' 9" |
| 0.01 m | 0.04 m | 0.23 m | 0.24 m |
Surf report in Baltimore
Baltimore weather forecast
Current temperature and weather
Data in a table show Baltimore temperature today (October 18, 2025). For more information and forecast for a few days, go to the weather forecast Baltimore.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 50.2°F | 48°F | 46.8°F | 54.1°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 |  | | |
| 63.1°F | 67.1°F | 66°F | 62.2°F |
You may also be interested in other sections of our site for Baltimore: Sunrise and Sunset, Tides
Baltimore water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Baltimore. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Baltimore on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 37.6°F | 30.9°F | 47.8°F | cold |
| Ocean water temperature in Baltimore in January | ||||
| February | 36.9°F | 29.8°F | 46°F | cold |
| Ocean water temperature in Baltimore in February | ||||
| March | 43.5°F | 31.3°F | 56.3°F | cold |
| Ocean water temperature in Baltimore in March | ||||
| April | 53.2°F | 42.8°F | 63.9°F | cold |
| Ocean water temperature in Baltimore in April | ||||
| May | 62.8°F | 46.2°F | 75.6°F | cold |
| Ocean water temperature in Baltimore in May | ||||
| June | 73.8°F | 64.8°F | 83.5°F | warm |
| Ocean water temperature in Baltimore in June | ||||
| July | 80.4°F | 73°F | 87.4°F | hot |
| Ocean water temperature in Baltimore in July | ||||
| August | 80.2°F | 75.6°F | 86°F | hot |
| Ocean water temperature in Baltimore in August | ||||
| September | 75°F | 67.6°F | 85.1°F | warm |
| Ocean water temperature in Baltimore in September | ||||
| October | 65.3°F | 56.1°F | 76.3°F | cold |
| Ocean water temperature in Baltimore in October | ||||
| November | 53.4°F | 42.6°F | 63.3°F | cold |
| Ocean water temperature in Baltimore in November | ||||
| December | 43.5°F | 35.1°F | 52.5°F | cold |
| Ocean water temperature in Baltimore in December | ||||
Chart monthly average water temperature in Baltimore
